our company can manufacture various of forgings ,matial: A105,LF2, F321,F304,F316,F51,F53,F55,1.4835 and so on. 1. material : A105, LF2,F316,F51,F53,F55,1.4835etc2. dimension: OD50~2500mm.THK 20~ 1500mm.3. Delivery condition: Rough machining4. Material standard: GB, ASTM, ASME, AISI, API, DIN, UNI, BS5. 3.1 certificate6. FOB or CIF7. shipping time: 40 days after receive advance valve forging