1.Size:1/2"-4",6"-30" 2.pressure:#2000-#9000 3.Material:SS,CS,Alloy 4. ... ,BS,GOST,eg 5.Certificate:API,ISO,CE,eg size1/2"-4"6"-30"Type Elbow, Tee, Union, Cross, Coupling, ... Cap, Bushing , Plug,etcthickness2000#, 3000#,6000#,9000#standardASME B16.11,MSS-SP-97, MSS-SP-79,JIS B2316materialCarbon steel(ASTM ... ,Magentic particle inspection,etc Standard Stainless Steel Forged Pipe Fittings Theradolet