... :Forged Ring 2.Size:DN15-DN3000 or per your request 3.Standard:ANSI,JIS,DIN,GB,BS,etc. 1. Name:Carbon Steel ... request3. Standard:ANSI,JIS,DIN,GB,BS,etc.4. Material:Carbon Steel5. NDT: MPI, UT, X-ray etc 6. Minimum Order ... /T10.Supply Ability: 50,000 tons per year11.Process flowsheet Carbon steels forged ring