... and supplier of free forgings, including forged ring, flange, shafts, tube sheet, and valve parts etc. Our products are in full ... compliance with ANSI, API, ASME, BS, JIS, DIN,GOST,etc. standards. 1. Capacity: Material we do: carbon steel ... : A105/F22/LF2/F1/25CrMo4/42CrMo/17CrNiMo6/347H/304 ASTM DIN high quality Forged Hollows tube, bar,pipe