... 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 ...