فروش حرفه ای ams 5643 hot
17-4PH Stainless Steel Bar (AMS 5643/ AMS 5622) Technical Data Sheet. 17-4 PH is a martensitic, precipitation-hardening stainless steel that provides an outstanding combination of high strength and hardness along with excellent corrosion resistance. 17-4 PH has good fabricating characteristics and can be age hardened by a single step, low ...