... Good Machining & Heat Treatment Abilities Strict Quality Control Prompt Delivery date We are manufacturer ... sheet, and valve parts etc. Our products are in full compliance with ANSI, API, ASME, BS, JIS, DIN ... Report: provide original copy of heat treatment curve/time table. Steel Ingot: EAF-LF-VD/ESR. Material ... 25CrMo4/42CrMo/17CrNiMo6/347H/304 ASTM DIN high quality Forged Hollows tube, bar,pipe