... . diameter: 0.03 - 12mm 3 3. ISO , BV , GSG AISI 316L Stainless Steel welding Wire 1. grade: 201 , 202 , 301 , 302 , 303 , 303Cu ... , 303Lsi , 304 , 304L , 309 , 310 , 310S , 312 , 316 , 316L , 321 , 410 , 420 , 430 , etc .2. size: diameter: 0.03 ...