astm a 276 316 stainless steel flat bar,flat bar,wide flat bars 1.Grade:200,300,400 Series 2.Flat bar Size:3x25- 80x250mm astm a 276 316 stainless steel flat bar,flat bar,wide flat bars 1. Standard: AISI, GB, JIS, ASTM, DIN, EN2. Grade: 1).200Series: 201,202.2).300Series: 301,302,303,304,304L,316,316L,321.3).400Series: 410,410S,416,420,430,430F.3. Size:3x25mm- 80x250mm4. Length: 2m-6m5. Craft: ...