Steel Grade:SWRY 11 Standard:JIS,AISI,DIN,ASTM,GB,BS mm, 6.5mm Type:Copper Coated Application:Construction Alloy Or Not:Is Alloy Special Use:Free Cutting Steel Usage:apply to the production of welding rod Standard:JIS G3503 Product name:SUS AISI ASTM ER309L Stainless Steel TIG Solder Welding Wire