Stainless steel Flat Bar 1.Hot Rolled & Annealed & Pickled (HRAP) Flat Bar Thickness. From 3mm to 15mm Width. From 25mm to 120mm ASTM A276/484M 2.Cold Draw & Polish Thickness. From 3mm to 40mm Width. From 20mm to 120mm ASTM A276/484M Grade: AISI 202,304,304L,316,316L,630 etc. ASTM A276/484M