6013 welding rod 1 16_1/8 or 3/32 welding rod
China’s expertise in welding technology is underscored by a workforce deeply entrenched in metallurgical science and hands-on craftsmanship. Manufacturers invest significantly in research and development, introducing innovative alloys and coating techniques that elevate the performance of their electrodes. For instance, the advances in moisture-resistant coatings help prevent hydrogen-induced cracking, a critical consideration in maintaining the weld’s strength and longevity.
welding electrodes china...
- " title='
The diversity of welding applications necessitates a variety of electrodes, each tailored to specific tasks. For instance, mild steel electrodes, predominantly used in general fabrication, offer remarkable versatility. Stainless steel electrodes, conversely, are essential for applications demanding corrosion resistance, such as in chemical processing equipment. Manufacturers possessing the foresight to provide a wide spectrum of electrodes cater to a broader clientele, fostering customer loyalty and market presence.
'>
" title='
The diversity of welding applications necessitates a variety of electrodes, each tailored to specific tasks. For instance, mild steel electrodes, predominantly used in general fabrication, offer remarkable versatility. Stainless steel electrodes, conversely, are essential for applications demanding corrosion resistance, such as in chemical processing equipment. Manufacturers possessing the foresight to provide a wide spectrum of electrodes cater to a broader clientele, fostering customer loyalty and market presence.
'>The diversity of welding applications necessitates a variety of electrodes, each tailored to specific tasks. For instance, mild steel electrodes, predominantly used in general fabrication, offer remarkable versatility. Stainless steel electrodes, conversely, are essential for applications demanding corrosion resistance, such as in chemical processing equipment. Manufacturers possessing the foresight to provide a wide spectrum of electrodes cater to a broader clientele, fostering customer loyalty and market presence.
...
...
" title=''> ...
Renowned welding electrode manufacturers invest significantly in research and development to innovate and enhance product performance. Such commitment results in electrodes that provide exceptional strength, conductivity, and durability, meeting diverse industry needs from construction to automotive. Collaborating with a manufacturer recognized for its innovative capabilities ensures access to the latest advancements in welding technology, giving your projects a competitive edge.
...
welding electrodes in china
" title='Expertise is undeniably evident in China’s approach to welding electrode production. China's engineers and material scientists dedicate significant resources to research and development, further propelling the industry forward. Innovative advancements, such as the development of low-hydrogen welding electrodes, markedly improve weld integrity by minimizing the risk of hydrogen-induced cracking. Furthermore, electrodes specifically designed for use in challenging climatic conditions—where variations in humidity and temperature can be particularly problematic—demonstrate China’s commitment to catering to a wide range of market needs. This attention to detail highlights professional expertise and fosters continued global trust in China’s welding products.
welding electrodes in china
'>
welding electrodes in china
'>welding electrodes in china
" title='
Expertise is undeniably evident in China’s approach to welding electrode production. China's engineers and material scientists dedicate significant resources to research and development, further propelling the industry forward. Innovative advancements, such as the development of low-hydrogen welding electrodes, markedly improve weld integrity by minimizing the risk of hydrogen-induced cracking. Furthermore, electrodes specifically designed for use in challenging climatic conditions—where variations in humidity and temperature can be particularly problematic—demonstrate China’s commitment to catering to a wide range of market needs. This attention to detail highlights professional expertise and fosters continued global trust in China’s welding products.
welding electrodes in china
'>Expertise is undeniably evident in China’s approach to welding electrode production. China's engineers and material scientists dedicate significant resources to research and development, further propelling the industry forward. Innovative advancements, such as the development of low-hydrogen welding electrodes, markedly improve weld integrity by minimizing the risk of hydrogen-induced cracking. Furthermore, electrodes specifically designed for use in challenging climatic conditions—where variations in humidity and temperature can be particularly problematic—demonstrate China’s commitment to catering to a wide range of market needs. This attention to detail highlights professional expertise and fosters continued global trust in China’s welding products.
welding electrodes in china
...
" title=''>Top Ranking
- " title=''>1
- 2
In conclusion, opting for welding electrodes from China could be an advantageous decision for industries looking to optimize costs while maintaining high standards of quality and performance. The expertise embedded in these products, the authoritative validation from standardized certifications, and the trust from consistent product performance collectively create a compelling case for considering Chinese welding electrodes in various applications. As with any procurement decision, due diligence in supplier selection can further enhance the likelihood of success with these internationally-sourced materials.
- 3
Authoritativeness comes with both experience and expertise, but it also involves an established reputation within the welding industry. Reputable manufacturers often adhere to stringent quality standards and possess certifications from industry bodies like the American Welding Society (AWS) or ISO. These endorsements serve as a testament to a company’s commitment to quality and innovation, affirming their position as a leader in the field. By choosing an authoritative manufacturer, clients can confidently rely on the durability and performance of the welding electrodes.
- . It's wise to seek out suppliers with established reputations, as their authoritative status provides an additional layer of assurance about the quality and reliability of their welding electrodes.
'>4Authoritativeness is another essential factor. The most reliable suppliers are often those who have received industry certifications and endorsements from recognized bodies. These certifications serve as a testament to the quality of their products and their adherence to industry standards. Additionally, partnerships with leading welding equipment brands can further enhance a supplier's credibility. It's wise to seek out suppliers with established reputations, as their authoritative status provides an additional layer of assurance about the quality and reliability of their welding electrodes.
- 57018 low hydrogen
- " title='
In the realm of welding, the quality of welding electrodes plays a crucial role in determining the strength and durability of the welds. As a leading welding electrodes manufacturer, understanding the nuances and demands of this field requires not only technical competence but also a robust commitment to quality, innovation, and customer satisfaction.
'>6In the realm of welding, the quality of welding electrodes plays a crucial role in determining the strength and durability of the welds. As a leading welding electrodes manufacturer, understanding the nuances and demands of this field requires not only technical competence but also a robust commitment to quality, innovation, and customer satisfaction.
- 7
- 8
DingZhou JinLong Metal Production Co. , Ltd. is one of the largest integrated manufacturers of special welding materials in China. Its main products include stainless steel welding materials, heat resistant steel welding materials, low temperature steel welding materials, high strength steel welding materials, hardfacing welding materials, nickel-based cast iron welding materials, nickel and nickel alloy welding materials, copper and copper alloy welding materials, special purpose welding materials, etc. , more than 200 varieties with an annual production capacity of 20,000 tons. Products with good market applicability and competitiveness, widely used in petrochemical, chemical, nuclear power, power, light industry machinery, metallurgy and pressure vessel manufacturing industries. Sales network throughout the country, has become a domestic special welding materials one of the mainstream brands, a good reputation for cooperation, to the industry widely praised.
Netizens pay attention
- welding electrodes manufacturers
">welding electrodes manufacturers
" title='
Expertise is another pillar that sets a distinguished manufacturer apart. Mastery in the formulation of electrode coatings and the selection of core materials is paramount. A leading manufacturer's laboratory is usually staffed with metallurgists and material scientists who scrutinize every aspect of the product's development. Through meticulous testing and quality assurance protocols, such manufacturers develop electrodes that cater to specific applications—whether it is for carbon steel, stainless steel, aluminum, or exotic alloys.
welding electrodes manufacturers
'>Expertise is another pillar that sets a distinguished manufacturer apart. Mastery in the formulation of electrode coatings and the selection of core materials is paramount. A leading manufacturer's laboratory is usually staffed with metallurgists and material scientists who scrutinize every aspect of the product's development. Through meticulous testing and quality assurance protocols, such manufacturers develop electrodes that cater to specific applications—whether it is for carbon steel, stainless steel, aluminum, or exotic alloys.
welding electrodes manufacturers
2025-08-15 23:36Read2359Visitors
2025-08-15 23:13Read2914Visitors
Looked and looked
'>Moreover, choosing a welding electrodes manufacturer that prioritizes sustainability can also align with the growing demand for eco-friendly and sustainable business practices. An environmentally conscious manufacturer implements processes that minimize waste and reduce the carbon footprint, such as recycling scrap materials and using energy-efficient machinery. This not only contributes to global sustainability efforts but also enhances the manufacturer's reliability and modernity in the marketplace.
Experience is often the bedrock of any reputable welding electrode supplier
. Suppliers with years of industry experience have often encountered a broad array of materials and project types. This history allows them to offer products tailored to specific needs, like electrodes suitable for different metals such as steel, aluminum, or specialty alloys.
. Leading manufacturers employ state-of-the-art technology and stringent quality control measures to ensure their products meet international standards such as AWS, ISO, and TUV certifications. These certifications underscore the expertise and reliability of Chinese welding electrodes. Experienced engineers and technicians in these manufacturing firms bring a wealth of knowledge to the table, further enhancing the credibility and trustworthiness of their products.
'>China's welding electrode industry is characterized by its commitment to high-quality manufacturing standards. Leading manufacturers employ state-of-the-art technology and stringent quality control measures to ensure their products meet international standards such as AWS, ISO, and TUV certifications. These certifications underscore the expertise and reliability of Chinese welding electrodes. Experienced engineers and technicians in these manufacturing firms bring a wealth of knowledge to the table, further enhancing the credibility and trustworthiness of their products.
" title=''>" title=''>Latest tags
Links：
er 309 lmig flux core stainless steelarc vs gas welding6013 welding rod for saleflux coated tig rodgasless welding wireer312 welding rod7018 welding rod material1 8 7018 welding rod amperagedifferent types of 7018 welding rodwelding cast iron with stickstick welding 7018 1 8035 welding wire 10 lbwelding rod manufacturerlow carbon welding rodswelding wire that doesn t need gasarc mig and tig welding7018 rod ovenwhat is 6013 rod used forwelding rod numbers and uses pdf308 stick rodwelding tips for flux core wireaws er 70s 6gas flux core wire309lmo welding rodaws e60106011 vs 7018 welding rode70t 1mig vs tig vs flux coresubarc wire0.45 flux core wire settingsmg 7018 welding rodcore welding wiree71t-gs specse71t-gs wire7018 3 16flux core aluminum welding wirewelding rod 7018 2.5welding electrode wirealuminum flux core wire weldingflux cored wire 0.8 mmcan i use solid wire in a flux core weldertig steel filler rodwhich is better mig or stick weldingfiller rod for tig welding stainless steel6013 welding rod ac or dcflux core aluminum mig wirecan you use flux core wire with gaswelding electrode for cast iron to mild steelci welding rod nogood welding rods030 solid mig wirehigh carbon welding electrode332 welding rodwelding rod supplywelding rod typesflux core welding wire 0.030312 ss welding rodstainless flux core welding wiress 321 welding electrodewelding rod cheat sheet2.5 stainless steel welding rodswhat does the 70 in the aws code er70s-6 represent308 3/32 welding rod amperagess 304 to ms welding electrodegasless stainless steel mig wireer70s 2 1 8flux core e71t 11welding rod 7018 2.5 mm7018 welding rod used forcast iron electrode manufacturers30 flux coress arc welding electrodesstainless electrode weldinggasless alloy mig wirewhat is e71t gs wire used for532 welding rodtig vs mig vs sticke71t 1 shielding gas309 rod0.9 flux core mig wire6013 welding rod 3/32
...
Renowned welding electrode manufacturers invest significantly in research and development to innovate and enhance product performance. Such commitment results in electrodes that provide exceptional strength, conductivity, and durability, meeting diverse industry needs from construction to automotive. Collaborating with a manufacturer recognized for its innovative capabilities ensures access to the latest advancements in welding technology, giving your projects a competitive edge.
...
" title='
Expertise is undeniably evident in China’s approach to welding electrode production. China's engineers and material scientists dedicate significant resources to research and development, further propelling the industry forward. Innovative advancements, such as the development of low-hydrogen welding electrodes, markedly improve weld integrity by minimizing the risk of hydrogen-induced cracking. Furthermore, electrodes specifically designed for use in challenging climatic conditions—where variations in humidity and temperature can be particularly problematic—demonstrate China’s commitment to catering to a wide range of market needs. This attention to detail highlights professional expertise and fosters continued global trust in China’s welding products.
'>
'>
welding electrodes in china
" title='
Expertise is undeniably evident in China’s approach to welding electrode production. China's engineers and material scientists dedicate significant resources to research and development, further propelling the industry forward. Innovative advancements, such as the development of low-hydrogen welding electrodes, markedly improve weld integrity by minimizing the risk of hydrogen-induced cracking. Furthermore, electrodes specifically designed for use in challenging climatic conditions—where variations in humidity and temperature can be particularly problematic—demonstrate China’s commitment to catering to a wide range of market needs. This attention to detail highlights professional expertise and fosters continued global trust in China’s welding products.
'>
Expertise is undeniably evident in China’s approach to welding electrode production. China's engineers and material scientists dedicate significant resources to research and development, further propelling the industry forward. Innovative advancements, such as the development of low-hydrogen welding electrodes, markedly improve weld integrity by minimizing the risk of hydrogen-induced cracking. Furthermore, electrodes specifically designed for use in challenging climatic conditions—where variations in humidity and temperature can be particularly problematic—demonstrate China’s commitment to catering to a wide range of market needs. This attention to detail highlights professional expertise and fosters continued global trust in China’s welding products.
...
Top Ranking
- " title=''>1
- 2
In conclusion, opting for welding electrodes from China could be an advantageous decision for industries looking to optimize costs while maintaining high standards of quality and performance. The expertise embedded in these products, the authoritative validation from standardized certifications, and the trust from consistent product performance collectively create a compelling case for considering Chinese welding electrodes in various applications. As with any procurement decision, due diligence in supplier selection can further enhance the likelihood of success with these internationally-sourced materials.
- 3
Authoritativeness comes with both experience and expertise, but it also involves an established reputation within the welding industry. Reputable manufacturers often adhere to stringent quality standards and possess certifications from industry bodies like the American Welding Society (AWS) or ISO. These endorsements serve as a testament to a company’s commitment to quality and innovation, affirming their position as a leader in the field. By choosing an authoritative manufacturer, clients can confidently rely on the durability and performance of the welding electrodes.
- . It's wise to seek out suppliers with established reputations, as their authoritative status provides an additional layer of assurance about the quality and reliability of their welding electrodes.
'>4Authoritativeness is another essential factor. The most reliable suppliers are often those who have received industry certifications and endorsements from recognized bodies. These certifications serve as a testament to the quality of their products and their adherence to industry standards. Additionally, partnerships with leading welding equipment brands can further enhance a supplier's credibility. It's wise to seek out suppliers with established reputations, as their authoritative status provides an additional layer of assurance about the quality and reliability of their welding electrodes.
- 57018 low hydrogen
- " title='
In the realm of welding, the quality of welding electrodes plays a crucial role in determining the strength and durability of the welds. As a leading welding electrodes manufacturer, understanding the nuances and demands of this field requires not only technical competence but also a robust commitment to quality, innovation, and customer satisfaction.
'>6In the realm of welding, the quality of welding electrodes plays a crucial role in determining the strength and durability of the welds. As a leading welding electrodes manufacturer, understanding the nuances and demands of this field requires not only technical competence but also a robust commitment to quality, innovation, and customer satisfaction.
- 7
- 8
DingZhou JinLong Metal Production Co. , Ltd. is one of the largest integrated manufacturers of special welding materials in China. Its main products include stainless steel welding materials, heat resistant steel welding materials, low temperature steel welding materials, high strength steel welding materials, hardfacing welding materials, nickel-based cast iron welding materials, nickel and nickel alloy welding materials, copper and copper alloy welding materials, special purpose welding materials, etc. , more than 200 varieties with an annual production capacity of 20,000 tons. Products with good market applicability and competitiveness, widely used in petrochemical, chemical, nuclear power, power, light industry machinery, metallurgy and pressure vessel manufacturing industries. Sales network throughout the country, has become a domestic special welding materials one of the mainstream brands, a good reputation for cooperation, to the industry widely praised.
Netizens pay attention
- welding electrodes manufacturers
">welding electrodes manufacturers
" title='
Expertise is another pillar that sets a distinguished manufacturer apart. Mastery in the formulation of electrode coatings and the selection of core materials is paramount. A leading manufacturer's laboratory is usually staffed with metallurgists and material scientists who scrutinize every aspect of the product's development. Through meticulous testing and quality assurance protocols, such manufacturers develop electrodes that cater to specific applications—whether it is for carbon steel, stainless steel, aluminum, or exotic alloys.
welding electrodes manufacturers
'>Expertise is another pillar that sets a distinguished manufacturer apart. Mastery in the formulation of electrode coatings and the selection of core materials is paramount. A leading manufacturer's laboratory is usually staffed with metallurgists and material scientists who scrutinize every aspect of the product's development. Through meticulous testing and quality assurance protocols, such manufacturers develop electrodes that cater to specific applications—whether it is for carbon steel, stainless steel, aluminum, or exotic alloys.
welding electrodes manufacturers
2025-08-15 23:36Read2359Visitors
2025-08-15 23:13Read2914Visitors
Looked and looked
'>Moreover, choosing a welding electrodes manufacturer that prioritizes sustainability can also align with the growing demand for eco-friendly and sustainable business practices. An environmentally conscious manufacturer implements processes that minimize waste and reduce the carbon footprint, such as recycling scrap materials and using energy-efficient machinery. This not only contributes to global sustainability efforts but also enhances the manufacturer's reliability and modernity in the marketplace.
Experience is often the bedrock of any reputable welding electrode supplier
. Suppliers with years of industry experience have often encountered a broad array of materials and project types. This history allows them to offer products tailored to specific needs, like electrodes suitable for different metals such as steel, aluminum, or specialty alloys.
. Leading manufacturers employ state-of-the-art technology and stringent quality control measures to ensure their products meet international standards such as AWS, ISO, and TUV certifications. These certifications underscore the expertise and reliability of Chinese welding electrodes. Experienced engineers and technicians in these manufacturing firms bring a wealth of knowledge to the table, further enhancing the credibility and trustworthiness of their products.
'>China's welding electrode industry is characterized by its commitment to high-quality manufacturing standards. Leading manufacturers employ state-of-the-art technology and stringent quality control measures to ensure their products meet international standards such as AWS, ISO, and TUV certifications. These certifications underscore the expertise and reliability of Chinese welding electrodes. Experienced engineers and technicians in these manufacturing firms bring a wealth of knowledge to the table, further enhancing the credibility and trustworthiness of their products.
Top Ranking
- " title=''>1
- 2
In conclusion, opting for welding electrodes from China could be an advantageous decision for industries looking to optimize costs while maintaining high standards of quality and performance. The expertise embedded in these products, the authoritative validation from standardized certifications, and the trust from consistent product performance collectively create a compelling case for considering Chinese welding electrodes in various applications. As with any procurement decision, due diligence in supplier selection can further enhance the likelihood of success with these internationally-sourced materials.
- 3
Authoritativeness comes with both experience and expertise, but it also involves an established reputation within the welding industry. Reputable manufacturers often adhere to stringent quality standards and possess certifications from industry bodies like the American Welding Society (AWS) or ISO. These endorsements serve as a testament to a company’s commitment to quality and innovation, affirming their position as a leader in the field. By choosing an authoritative manufacturer, clients can confidently rely on the durability and performance of the welding electrodes.
- . It's wise to seek out suppliers with established reputations, as their authoritative status provides an additional layer of assurance about the quality and reliability of their welding electrodes.
'>4Authoritativeness is another essential factor. The most reliable suppliers are often those who have received industry certifications and endorsements from recognized bodies. These certifications serve as a testament to the quality of their products and their adherence to industry standards. Additionally, partnerships with leading welding equipment brands can further enhance a supplier's credibility. It's wise to seek out suppliers with established reputations, as their authoritative status provides an additional layer of assurance about the quality and reliability of their welding electrodes.
- 57018 low hydrogen
- " title='
In the realm of welding, the quality of welding electrodes plays a crucial role in determining the strength and durability of the welds. As a leading welding electrodes manufacturer, understanding the nuances and demands of this field requires not only technical competence but also a robust commitment to quality, innovation, and customer satisfaction.
'>6In the realm of welding, the quality of welding electrodes plays a crucial role in determining the strength and durability of the welds. As a leading welding electrodes manufacturer, understanding the nuances and demands of this field requires not only technical competence but also a robust commitment to quality, innovation, and customer satisfaction.
- 7
- 8
DingZhou JinLong Metal Production Co. , Ltd. is one of the largest integrated manufacturers of special welding materials in China. Its main products include stainless steel welding materials, heat resistant steel welding materials, low temperature steel welding materials, high strength steel welding materials, hardfacing welding materials, nickel-based cast iron welding materials, nickel and nickel alloy welding materials, copper and copper alloy welding materials, special purpose welding materials, etc. , more than 200 varieties with an annual production capacity of 20,000 tons. Products with good market applicability and competitiveness, widely used in petrochemical, chemical, nuclear power, power, light industry machinery, metallurgy and pressure vessel manufacturing industries. Sales network throughout the country, has become a domestic special welding materials one of the mainstream brands, a good reputation for cooperation, to the industry widely praised.
Netizens pay attention
- welding electrodes manufacturers
">welding electrodes manufacturers
" title='Expertise is another pillar that sets a distinguished manufacturer apart. Mastery in the formulation of electrode coatings and the selection of core materials is paramount. A leading manufacturer's laboratory is usually staffed with metallurgists and material scientists who scrutinize every aspect of the product's development. Through meticulous testing and quality assurance protocols, such manufacturers develop electrodes that cater to specific applications—whether it is for carbon steel, stainless steel, aluminum, or exotic alloys.
welding electrodes manufacturers
'>Expertise is another pillar that sets a distinguished manufacturer apart. Mastery in the formulation of electrode coatings and the selection of core materials is paramount. A leading manufacturer's laboratory is usually staffed with metallurgists and material scientists who scrutinize every aspect of the product's development. Through meticulous testing and quality assurance protocols, such manufacturers develop electrodes that cater to specific applications—whether it is for carbon steel, stainless steel, aluminum, or exotic alloys.
welding electrodes manufacturers2025-08-15 23:36Read2359Visitors
2025-08-15 23:13Read2914Visitors
- 2
Looked and looked
'>
Moreover, choosing a welding electrodes manufacturer that prioritizes sustainability can also align with the growing demand for eco-friendly and sustainable business practices. An environmentally conscious manufacturer implements processes that minimize waste and reduce the carbon footprint, such as recycling scrap materials and using energy-efficient machinery. This not only contributes to global sustainability efforts but also enhances the manufacturer's reliability and modernity in the marketplace.
Experience is often the bedrock of any reputable welding electrode supplier
. Suppliers with years of industry experience have often encountered a broad array of materials and project types. This history allows them to offer products tailored to specific needs, like electrodes suitable for different metals such as steel, aluminum, or specialty alloys.'>
China's welding electrode industry is characterized by its commitment to high-quality manufacturing standards. Leading manufacturers employ state-of-the-art technology and stringent quality control measures to ensure their products meet international standards such as AWS, ISO, and TUV certifications. These certifications underscore the expertise and reliability of Chinese welding electrodes. Experienced engineers and technicians in these manufacturing firms bring a wealth of knowledge to the table, further enhancing the credibility and trustworthiness of their products.
Latest tags
Links：
- er 309 lmig flux core stainless steelarc vs gas welding6013 welding rod for saleflux coated tig rodgasless welding wireer312 welding rod7018 welding rod material1 8 7018 welding rod amperagedifferent types of 7018 welding rodwelding cast iron with stickstick welding 7018 1 8035 welding wire 10 lbwelding rod manufacturerlow carbon welding rodswelding wire that doesn t need gasarc mig and tig welding7018 rod ovenwhat is 6013 rod used forwelding rod numbers and uses pdf308 stick rodwelding tips for flux core wireaws er 70s 6gas flux core wire309lmo welding rodaws e60106011 vs 7018 welding rode70t 1mig vs tig vs flux coresubarc wire0.45 flux core wire settingsmg 7018 welding rodcore welding wiree71t-gs specse71t-gs wire7018 3 16flux core aluminum welding wirewelding rod 7018 2.5welding electrode wirealuminum flux core wire weldingflux cored wire 0.8 mmcan i use solid wire in a flux core weldertig steel filler rodwhich is better mig or stick weldingfiller rod for tig welding stainless steel6013 welding rod ac or dcflux core aluminum mig wirecan you use flux core wire with gaswelding electrode for cast iron to mild steelci welding rod nogood welding rods030 solid mig wirehigh carbon welding electrode332 welding rodwelding rod supplywelding rod typesflux core welding wire 0.030312 ss welding rodstainless flux core welding wiress 321 welding electrodewelding rod cheat sheet2.5 stainless steel welding rodswhat does the 70 in the aws code er70s-6 represent308 3/32 welding rod amperagess 304 to ms welding electrodegasless stainless steel mig wireer70s 2 1 8flux core e71t 11welding rod 7018 2.5 mm7018 welding rod used forcast iron electrode manufacturers30 flux coress arc welding electrodesstainless electrode weldinggasless alloy mig wirewhat is e71t gs wire used for532 welding rodtig vs mig vs sticke71t 1 shielding gas309 rod0.9 flux core mig wire6013 welding rod 3/32