... 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, alloy steel and stainless ... /F22/LF2/F1/25CrMo4/42CrMo/17CrNiMo6/347H/304 ASTM DIN high quality Forged Hollows tube, bar,pipe