A350 LF2 Q + T Heat Treatment Forged Ring With Rough Machining Hardness Less Than 187 HB ASTM ASME Standard Forged Ring Specification Material Carbon steel,Alloy Steel,Stainless ...
A350 LF2 Q + T Heat Treatment Forged Ring With Rough Machining Hardness Less Than 187 HB ASTM ASME Standard ASTM/ASME Standard A105 composition C≤0.30% Si:0.15~0.3 Mn:0.6~1.35% S≤0...