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" title='One key aspect setting Chinese welding electrodes apart is the expertise and experience embedded within the manufacturing processes. Companies employ seasoned metallurgists and engineers who bring a wealth of knowledge to the production floor. Their expertise ensures that each batch of electrodes not only meets but often exceeds international standards such as AWS, ISO, and GB/T. This level of professionalism underpins the authoritative status of Chinese welding electrodes in the global market.
'>3One key aspect setting Chinese welding electrodes apart is the expertise and experience embedded within the manufacturing processes. Companies employ seasoned metallurgists and engineers who bring a wealth of knowledge to the production floor. Their expertise ensures that each batch of electrodes not only meets but often exceeds international standards such as AWS, ISO, and GB/T. This level of professionalism underpins the authoritative status of Chinese welding electrodes in the global market.
4A welding electrode is an essential component in welding processes, serving as a medium through which electric current is conducted. The choice of electrode can influence the strength, appearance, and longevity of a weld. Therefore, partnering with a knowledgeable and reputable supplier is crucial for professionals and businesses aiming for high standards.
5
'>6Finding a supplier that excels in these areas can be transformative for businesses and individual craftsmen alike. Let's explore these four dimensions and understand why they are pivotal in choosing a welding electrodes supplier, ensuring both product excellence and operational synergy.
" title='Navigating the complex world of welding supplies necessitates a thorough understanding of the materials and tools available, particularly when it comes to choosing a welding electrodes supplier. Selecting the right supplier can significantly impact the quality of your work, bridging the gap between mediocre and exceptional results.
'>7Navigating the complex world of welding supplies necessitates a thorough understanding of the materials and tools available, particularly when it comes to choosing a welding electrodes supplier. Selecting the right supplier can significantly impact the quality of your work, bridging the gap between mediocre and exceptional results.
'>8In conclusion, the synthesis of experience, expertise, authority, and trust associated with Chinese welding electrodes provides users with a compelling proposition. Whether you're embarking on commercial, industrial, or personal welding projects, understanding these facets will enable you to make informed decisions, ensuring exceptional results through the judicious choice of Chinese welding electrodes. Let your ventures be supported by the precision, innovation, and reliability of the leading forces in the industry.
Netizens pay attention
">" title=''>2025-08-13 23:51Read942Visitors
Looked and looked
- 7018 ac rods
In conclusion, the landscape of welding electrodes in China is marked by a blend of traditional expertise and modern innovation. With a strong foundation in manufacturing excellence, coupled with a forward-thinking approach to product development and certification, Chinese welding electrodes stand as reliable choices for industries worldwide. Businesses can tap into this wealth of options, confident in the quality and authority that Chinese manufacturers bring to the table.
When exploring welding electrodes in China, three key elements enhance your experience the diversity of products, their competitive pricing, and their adherence to international quality standards. China provides a wide range of electrode types, including mild steel, stainless steel, and specialized alloy electrodes, accommodating various applications from construction to intricate art projects. This versatility is a product of extensive research and development conducted by Chinese manufacturers, ensuring that they meet the demands of global markets.
- " title=''>
- welding rod numbers and uses pdf
- " title='
Expertise in the industry is another critical component
. A manufacturer with a long track record in producing welding electrodes is likely to have an in-depth understanding of diverse customer needs, adeptly providing solutions that address specific welding challenges. Their extensive product line could cover varied applications, including mild steel, stainless steel, aluminum, and other alloys, catering to specific demands such as corrosion resistance or high-strength requirements. Their experienced technical team can provide invaluable support, assisting customers in selecting the right electrodes for their projects, thus enhancing efficiency and performance.
'>Expertise in the industry is another critical component. A manufacturer with a long track record in producing welding electrodes is likely to have an in-depth understanding of diverse customer needs, adeptly providing solutions that address specific welding challenges. Their extensive product line could cover varied applications, including mild steel, stainless steel, aluminum, and other alloys, catering to specific demands such as corrosion resistance or high-strength requirements. Their experienced technical team can provide invaluable support, assisting customers in selecting the right electrodes for their projects, thus enhancing efficiency and performance.
Trust in Chinese welding electrodes is reinforced by the authoritative stance the manufacturers take within the global market. Many manufacturers possess ISO certifications and adhere to strict quality controls that align with international compliance norms. This commitment to high standards boosts credibility, providing users with peace of mind regarding the safety and integrity of their welded structures.
'>Ultimately, finding an ideal welding electrodes supplier is not just about product specifications; it's about forming a partnership with a reliable, knowledgeable, and resourceful team. By focusing on experience, expertise, authority, and trust, buyers can navigate the complexities of the market with greater assurance and find a supplier that not only meets but exceeds their expectations, ensuring the success and longevity of their welding projects.
'>In conclusion, the right welding electrode supplier will enhance your operations' effectiveness and efficiency by combining extensive experience, specialized expertise, industry authority, and unerring trustworthiness. Collaborating with such a supplier ensures that your welding projects succeed with precision and safety, fostering long-term partnerships grounded in mutual benefit and shared growth.
Latest tags
Links：
flux wire welding aluminumstick welding techniques 7018cast iron welding rod numbers6018 welding rod usesgasless flux core wirewhat is a 6013 welding rod good fore71t-gs flux corecan you use gasless mig wire with gasnr 232 flux corecast iron welding electrode numberflux core aluminum mig welding wire3 32 aluminum stick welding rods7018 weldcopper coated mild steelss steel welding rode 6013 welding rodwelding rod 7018 2.5 mm3 32 rod 6011can i use solid wire in a flux core welderflux core gasless welding wireflux core tig wire308l flux core mig wire3 32 e7018 rode71t-gs welding wirehard facing wire for migmig welding without gas flux coredifference between arc mig and tig weldingnickel 99 electrode3/32 welding rod 70181kg flux core welding wirevertical stick welding 70187018 3 16what tig rod for stainlessdual shield flux core settings7018 1 8 welding rod0.8 flux cored mig wire7018 vs 6010309l flux core wireflux core stainless welding wiregasless flux core welding wire 035030 welding wire flux coreer308l035 dual shield wirecast iron tig filler rodsolid wire mig weldingwelding wire 30nickel rod cast iron030 flux core stainless steel welding wiresolid wire electrodeflux core migis stick welding better than mige316l-16flux mig weldinge310 electrodewelding electrode e7018 specification0.6 mm gasless mig wiree71t-gs .030tig vs mig vs stick vs arc6010 welding rod 3/32 ampsflux wire welding for beginnersaws e6011tig carbon steel filler rodstainless steel smaw electrodesdual shield welding gas035 stainless steel flux cored wire81 ni welding wire7018 ac rodsflux cored welding wire 1.2 mmflux core stainless weldinggas shieldeder70s 2 1 8welding rod pdfe7018 1h4re71 taws e7018 welding electrode specificationstainless arc welding rodsflux core vs solid wire045 flux core wire settingser70s-6312 17 welding rod7018 electrode 1 16
...
...
" title=''> ...
" title=''>
" title='One key aspect setting Chinese welding electrodes apart is the expertise and experience embedded within the manufacturing processes. Companies employ seasoned metallurgists and engineers who bring a wealth of knowledge to the production floor. Their expertise ensures that each batch of electrodes not only meets but often exceeds international standards such as AWS, ISO, and GB/T. This level of professionalism underpins the authoritative status of Chinese welding electrodes in the global market.
'>3One key aspect setting Chinese welding electrodes apart is the expertise and experience embedded within the manufacturing processes. Companies employ seasoned metallurgists and engineers who bring a wealth of knowledge to the production floor. Their expertise ensures that each batch of electrodes not only meets but often exceeds international standards such as AWS, ISO, and GB/T. This level of professionalism underpins the authoritative status of Chinese welding electrodes in the global market.
4A welding electrode is an essential component in welding processes, serving as a medium through which electric current is conducted. The choice of electrode can influence the strength, appearance, and longevity of a weld. Therefore, partnering with a knowledgeable and reputable supplier is crucial for professionals and businesses aiming for high standards.
5
'>6Finding a supplier that excels in these areas can be transformative for businesses and individual craftsmen alike. Let's explore these four dimensions and understand why they are pivotal in choosing a welding electrodes supplier, ensuring both product excellence and operational synergy.
" title='Navigating the complex world of welding supplies necessitates a thorough understanding of the materials and tools available, particularly when it comes to choosing a welding electrodes supplier. Selecting the right supplier can significantly impact the quality of your work, bridging the gap between mediocre and exceptional results.
'>7Navigating the complex world of welding supplies necessitates a thorough understanding of the materials and tools available, particularly when it comes to choosing a welding electrodes supplier. Selecting the right supplier can significantly impact the quality of your work, bridging the gap between mediocre and exceptional results.
'>8In conclusion, the synthesis of experience, expertise, authority, and trust associated with Chinese welding electrodes provides users with a compelling proposition. Whether you're embarking on commercial, industrial, or personal welding projects, understanding these facets will enable you to make informed decisions, ensuring exceptional results through the judicious choice of Chinese welding electrodes. Let your ventures be supported by the precision, innovation, and reliability of the leading forces in the industry.
Netizens pay attention
">" title=''>2025-08-13 23:51Read942Visitors
Looked and looked
- 7018 ac rods
In conclusion, the landscape of welding electrodes in China is marked by a blend of traditional expertise and modern innovation. With a strong foundation in manufacturing excellence, coupled with a forward-thinking approach to product development and certification, Chinese welding electrodes stand as reliable choices for industries worldwide. Businesses can tap into this wealth of options, confident in the quality and authority that Chinese manufacturers bring to the table.
When exploring welding electrodes in China, three key elements enhance your experience the diversity of products, their competitive pricing, and their adherence to international quality standards. China provides a wide range of electrode types, including mild steel, stainless steel, and specialized alloy electrodes, accommodating various applications from construction to intricate art projects. This versatility is a product of extensive research and development conducted by Chinese manufacturers, ensuring that they meet the demands of global markets.
- " title=''>
- welding rod numbers and uses pdf
- " title='
Expertise in the industry is another critical component
. A manufacturer with a long track record in producing welding electrodes is likely to have an in-depth understanding of diverse customer needs, adeptly providing solutions that address specific welding challenges. Their extensive product line could cover varied applications, including mild steel, stainless steel, aluminum, and other alloys, catering to specific demands such as corrosion resistance or high-strength requirements. Their experienced technical team can provide invaluable support, assisting customers in selecting the right electrodes for their projects, thus enhancing efficiency and performance.
'>Expertise in the industry is another critical component. A manufacturer with a long track record in producing welding electrodes is likely to have an in-depth understanding of diverse customer needs, adeptly providing solutions that address specific welding challenges. Their extensive product line could cover varied applications, including mild steel, stainless steel, aluminum, and other alloys, catering to specific demands such as corrosion resistance or high-strength requirements. Their experienced technical team can provide invaluable support, assisting customers in selecting the right electrodes for their projects, thus enhancing efficiency and performance.
Trust in Chinese welding electrodes is reinforced by the authoritative stance the manufacturers take within the global market. Many manufacturers possess ISO certifications and adhere to strict quality controls that align with international compliance norms. This commitment to high standards boosts credibility, providing users with peace of mind regarding the safety and integrity of their welded structures.
'>Ultimately, finding an ideal welding electrodes supplier is not just about product specifications; it's about forming a partnership with a reliable, knowledgeable, and resourceful team. By focusing on experience, expertise, authority, and trust, buyers can navigate the complexities of the market with greater assurance and find a supplier that not only meets but exceeds their expectations, ensuring the success and longevity of their welding projects.
'>In conclusion, the right welding electrode supplier will enhance your operations' effectiveness and efficiency by combining extensive experience, specialized expertise, industry authority, and unerring trustworthiness. Collaborating with such a supplier ensures that your welding projects succeed with precision and safety, fostering long-term partnerships grounded in mutual benefit and shared growth.
Latest tags
Links：
flux wire welding aluminumstick welding techniques 7018cast iron welding rod numbers6018 welding rod usesgasless flux core wirewhat is a 6013 welding rod good fore71t-gs flux corecan you use gasless mig wire with gasnr 232 flux corecast iron welding electrode numberflux core aluminum mig welding wire3 32 aluminum stick welding rods7018 weldcopper coated mild steelss steel welding rode 6013 welding rodwelding rod 7018 2.5 mm3 32 rod 6011can i use solid wire in a flux core welderflux core gasless welding wireflux core tig wire308l flux core mig wire3 32 e7018 rode71t-gs welding wirehard facing wire for migmig welding without gas flux coredifference between arc mig and tig weldingnickel 99 electrode3/32 welding rod 70181kg flux core welding wirevertical stick welding 70187018 3 16what tig rod for stainlessdual shield flux core settings7018 1 8 welding rod0.8 flux cored mig wire7018 vs 6010309l flux core wireflux core stainless welding wiregasless flux core welding wire 035030 welding wire flux coreer308l035 dual shield wirecast iron tig filler rodsolid wire mig weldingwelding wire 30nickel rod cast iron030 flux core stainless steel welding wiresolid wire electrodeflux core migis stick welding better than mige316l-16flux mig weldinge310 electrodewelding electrode e7018 specification0.6 mm gasless mig wiree71t-gs .030tig vs mig vs stick vs arc6010 welding rod 3/32 ampsflux wire welding for beginnersaws e6011tig carbon steel filler rodstainless steel smaw electrodesdual shield welding gas035 stainless steel flux cored wire81 ni welding wire7018 ac rodsflux cored welding wire 1.2 mmflux core stainless weldinggas shieldeder70s 2 1 8welding rod pdfe7018 1h4re71 taws e7018 welding electrode specificationstainless arc welding rodsflux core vs solid wire045 flux core wire settingser70s-6312 17 welding rod7018 electrode 1 16
...
One key aspect setting Chinese welding electrodes apart is the expertise and experience embedded within the manufacturing processes. Companies employ seasoned metallurgists and engineers who bring a wealth of knowledge to the production floor. Their expertise ensures that each batch of electrodes not only meets but often exceeds international standards such as AWS, ISO, and GB/T. This level of professionalism underpins the authoritative status of Chinese welding electrodes in the global market.
One key aspect setting Chinese welding electrodes apart is the expertise and experience embedded within the manufacturing processes. Companies employ seasoned metallurgists and engineers who bring a wealth of knowledge to the production floor. Their expertise ensures that each batch of electrodes not only meets but often exceeds international standards such as AWS, ISO, and GB/T. This level of professionalism underpins the authoritative status of Chinese welding electrodes in the global market.
A welding electrode is an essential component in welding processes, serving as a medium through which electric current is conducted. The choice of electrode can influence the strength, appearance, and longevity of a weld. Therefore, partnering with a knowledgeable and reputable supplier is crucial for professionals and businesses aiming for high standards.
'>6
Finding a supplier that excels in these areas can be transformative for businesses and individual craftsmen alike. Let's explore these four dimensions and understand why they are pivotal in choosing a welding electrodes supplier, ensuring both product excellence and operational synergy.
Navigating the complex world of welding supplies necessitates a thorough understanding of the materials and tools available, particularly when it comes to choosing a welding electrodes supplier. Selecting the right supplier can significantly impact the quality of your work, bridging the gap between mediocre and exceptional results.
Navigating the complex world of welding supplies necessitates a thorough understanding of the materials and tools available, particularly when it comes to choosing a welding electrodes supplier. Selecting the right supplier can significantly impact the quality of your work, bridging the gap between mediocre and exceptional results.
'>8
In conclusion, the synthesis of experience, expertise, authority, and trust associated with Chinese welding electrodes provides users with a compelling proposition. Whether you're embarking on commercial, industrial, or personal welding projects, understanding these facets will enable you to make informed decisions, ensuring exceptional results through the judicious choice of Chinese welding electrodes. Let your ventures be supported by the precision, innovation, and reliability of the leading forces in the industry.
Netizens pay attention
" title=''>2025-08-13 23:51Read942Visitors
Looked and looked
- 7018 ac rods
In conclusion, the landscape of welding electrodes in China is marked by a blend of traditional expertise and modern innovation. With a strong foundation in manufacturing excellence, coupled with a forward-thinking approach to product development and certification, Chinese welding electrodes stand as reliable choices for industries worldwide. Businesses can tap into this wealth of options, confident in the quality and authority that Chinese manufacturers bring to the table.
When exploring welding electrodes in China, three key elements enhance your experience the diversity of products, their competitive pricing, and their adherence to international quality standards. China provides a wide range of electrode types, including mild steel, stainless steel, and specialized alloy electrodes, accommodating various applications from construction to intricate art projects. This versatility is a product of extensive research and development conducted by Chinese manufacturers, ensuring that they meet the demands of global markets.
- " title=''>
- welding rod numbers and uses pdf
- " title='
Expertise in the industry is another critical component
. A manufacturer with a long track record in producing welding electrodes is likely to have an in-depth understanding of diverse customer needs, adeptly providing solutions that address specific welding challenges. Their extensive product line could cover varied applications, including mild steel, stainless steel, aluminum, and other alloys, catering to specific demands such as corrosion resistance or high-strength requirements. Their experienced technical team can provide invaluable support, assisting customers in selecting the right electrodes for their projects, thus enhancing efficiency and performance.
'>Expertise in the industry is another critical component. A manufacturer with a long track record in producing welding electrodes is likely to have an in-depth understanding of diverse customer needs, adeptly providing solutions that address specific welding challenges. Their extensive product line could cover varied applications, including mild steel, stainless steel, aluminum, and other alloys, catering to specific demands such as corrosion resistance or high-strength requirements. Their experienced technical team can provide invaluable support, assisting customers in selecting the right electrodes for their projects, thus enhancing efficiency and performance.
Trust in Chinese welding electrodes is reinforced by the authoritative stance the manufacturers take within the global market. Many manufacturers possess ISO certifications and adhere to strict quality controls that align with international compliance norms. This commitment to high standards boosts credibility, providing users with peace of mind regarding the safety and integrity of their welded structures.
'>Ultimately, finding an ideal welding electrodes supplier is not just about product specifications; it's about forming a partnership with a reliable, knowledgeable, and resourceful team. By focusing on experience, expertise, authority, and trust, buyers can navigate the complexities of the market with greater assurance and find a supplier that not only meets but exceeds their expectations, ensuring the success and longevity of their welding projects.
'>In conclusion, the right welding electrode supplier will enhance your operations' effectiveness and efficiency by combining extensive experience, specialized expertise, industry authority, and unerring trustworthiness. Collaborating with such a supplier ensures that your welding projects succeed with precision and safety, fostering long-term partnerships grounded in mutual benefit and shared growth.
Latest tags
Links：
flux wire welding aluminumstick welding techniques 7018cast iron welding rod numbers6018 welding rod usesgasless flux core wirewhat is a 6013 welding rod good fore71t-gs flux corecan you use gasless mig wire with gasnr 232 flux corecast iron welding electrode numberflux core aluminum mig welding wire3 32 aluminum stick welding rods7018 weldcopper coated mild steelss steel welding rode 6013 welding rodwelding rod 7018 2.5 mm3 32 rod 6011can i use solid wire in a flux core welderflux core gasless welding wireflux core tig wire308l flux core mig wire3 32 e7018 rode71t-gs welding wirehard facing wire for migmig welding without gas flux coredifference between arc mig and tig weldingnickel 99 electrode3/32 welding rod 70181kg flux core welding wirevertical stick welding 70187018 3 16what tig rod for stainlessdual shield flux core settings7018 1 8 welding rod0.8 flux cored mig wire7018 vs 6010309l flux core wireflux core stainless welding wiregasless flux core welding wire 035030 welding wire flux coreer308l035 dual shield wirecast iron tig filler rodsolid wire mig weldingwelding wire 30nickel rod cast iron030 flux core stainless steel welding wiresolid wire electrodeflux core migis stick welding better than mige316l-16flux mig weldinge310 electrodewelding electrode e7018 specification0.6 mm gasless mig wiree71t-gs .030tig vs mig vs stick vs arc6010 welding rod 3/32 ampsflux wire welding for beginnersaws e6011tig carbon steel filler rodstainless steel smaw electrodesdual shield welding gas035 stainless steel flux cored wire81 ni welding wire7018 ac rodsflux cored welding wire 1.2 mmflux core stainless weldinggas shieldeder70s 2 1 8welding rod pdfe7018 1h4re71 taws e7018 welding electrode specificationstainless arc welding rodsflux core vs solid wire045 flux core wire settingser70s-6312 17 welding rod7018 electrode 1 16
2025-08-13 23:51Read942Visitors
Looked and looked
- 7018 ac rods
In conclusion, the landscape of welding electrodes in China is marked by a blend of traditional expertise and modern innovation. With a strong foundation in manufacturing excellence, coupled with a forward-thinking approach to product development and certification, Chinese welding electrodes stand as reliable choices for industries worldwide. Businesses can tap into this wealth of options, confident in the quality and authority that Chinese manufacturers bring to the table.
When exploring welding electrodes in China, three key elements enhance your experience the diversity of products, their competitive pricing, and their adherence to international quality standards. China provides a wide range of electrode types, including mild steel, stainless steel, and specialized alloy electrodes, accommodating various applications from construction to intricate art projects. This versatility is a product of extensive research and development conducted by Chinese manufacturers, ensuring that they meet the demands of global markets.
- " title=''>
- welding rod numbers and uses pdf
- " title='
Expertise in the industry is another critical component
. A manufacturer with a long track record in producing welding electrodes is likely to have an in-depth understanding of diverse customer needs, adeptly providing solutions that address specific welding challenges. Their extensive product line could cover varied applications, including mild steel, stainless steel, aluminum, and other alloys, catering to specific demands such as corrosion resistance or high-strength requirements. Their experienced technical team can provide invaluable support, assisting customers in selecting the right electrodes for their projects, thus enhancing efficiency and performance.
'>Expertise in the industry is another critical component. A manufacturer with a long track record in producing welding electrodes is likely to have an in-depth understanding of diverse customer needs, adeptly providing solutions that address specific welding challenges. Their extensive product line could cover varied applications, including mild steel, stainless steel, aluminum, and other alloys, catering to specific demands such as corrosion resistance or high-strength requirements. Their experienced technical team can provide invaluable support, assisting customers in selecting the right electrodes for their projects, thus enhancing efficiency and performance.
Trust in Chinese welding electrodes is reinforced by the authoritative stance the manufacturers take within the global market. Many manufacturers possess ISO certifications and adhere to strict quality controls that align with international compliance norms. This commitment to high standards boosts credibility, providing users with peace of mind regarding the safety and integrity of their welded structures.
'>Ultimately, finding an ideal welding electrodes supplier is not just about product specifications; it's about forming a partnership with a reliable, knowledgeable, and resourceful team. By focusing on experience, expertise, authority, and trust, buyers can navigate the complexities of the market with greater assurance and find a supplier that not only meets but exceeds their expectations, ensuring the success and longevity of their welding projects.
'>In conclusion, the right welding electrode supplier will enhance your operations' effectiveness and efficiency by combining extensive experience, specialized expertise, industry authority, and unerring trustworthiness. Collaborating with such a supplier ensures that your welding projects succeed with precision and safety, fostering long-term partnerships grounded in mutual benefit and shared growth.
Latest tags
Links：
- flux wire welding aluminumstick welding techniques 7018cast iron welding rod numbers6018 welding rod usesgasless flux core wirewhat is a 6013 welding rod good fore71t-gs flux corecan you use gasless mig wire with gasnr 232 flux corecast iron welding electrode numberflux core aluminum mig welding wire3 32 aluminum stick welding rods7018 weldcopper coated mild steelss steel welding rode 6013 welding rodwelding rod 7018 2.5 mm3 32 rod 6011can i use solid wire in a flux core welderflux core gasless welding wireflux core tig wire308l flux core mig wire3 32 e7018 rode71t-gs welding wirehard facing wire for migmig welding without gas flux coredifference between arc mig and tig weldingnickel 99 electrode3/32 welding rod 70181kg flux core welding wirevertical stick welding 70187018 3 16what tig rod for stainlessdual shield flux core settings7018 1 8 welding rod0.8 flux cored mig wire7018 vs 6010309l flux core wireflux core stainless welding wiregasless flux core welding wire 035030 welding wire flux coreer308l035 dual shield wirecast iron tig filler rodsolid wire mig weldingwelding wire 30nickel rod cast iron030 flux core stainless steel welding wiresolid wire electrodeflux core migis stick welding better than mige316l-16flux mig weldinge310 electrodewelding electrode e7018 specification0.6 mm gasless mig wiree71t-gs .030tig vs mig vs stick vs arc6010 welding rod 3/32 ampsflux wire welding for beginnersaws e6011tig carbon steel filler rodstainless steel smaw electrodesdual shield welding gas035 stainless steel flux cored wire81 ni welding wire7018 ac rodsflux cored welding wire 1.2 mmflux core stainless weldinggas shieldeder70s 2 1 8welding rod pdfe7018 1h4re71 taws e7018 welding electrode specificationstainless arc welding rodsflux core vs solid wire045 flux core wire settingser70s-6312 17 welding rod7018 electrode 1 16