... 316L stanless steel welding wire 1. grade: 200 , 300 , 400 series . 2. 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 ...