... ,GB,JIS,ASTM,DIN etc.3) Grade: 200,300,400series (201, 202, 304, 304lL, 316, 316L, 310S, 410, 420, 430).4) Specification ... visit are welcome. Characteristics: 1. Material grade:AISI 201,Y201Cu,202 AISI 303, 304, 304L,310,310S,316,316L,317,321 AISI ...