AISI 420 stainless steel sheet 1. grade: 200 , 300 , 400 series 2. ... : 3-100mmx1500 - 2000mm x 6000mm 3. ISO , BV , GSG AISI 420 Stainless Steel sheet 1. grade: 201 , 202 , 301 , 302 , 303 ... , 304 , 304L , 309 , 310 , 316 , 316L , 321 , 410 , 420 , 430 , etc .2. size: 3-100mmx1500-2000mmx6000mm3. surface: No.1 ...