1) Stainless Steel Pipe Grade 300,600,800 series 2) O.D: 0. ... STEEL - 2013 SIMMIC Stainless Steel Pipe1. Stainless Steel Pipe Supply Ability 20,000 Metric Tons annually2. Stainless Steel Pipe Grade 300,600,800 ... 08-6mm 5. Standard: ASTM AISI EN DIN GB Stainless Steel Pipe Size Range20x10mm--100x50mm,10x10mm-100x100mm, 9.53-101.6mm, ... 35%≥35% Hardness (HV)<253<253<200<200 SIMMIC Stainless Steel Pipe