IGN? 1.Des????:????API????600(??? ?????ISO)?API 6D?
2.Cast?????,API 603?API 600?
3.Forged???API602?
4.lnspection???:API 598,API600?AI6D?
5.End????:ASME B16.5(NPS?24)?
ASM B16.47 B??API605?ASME B16.47??A?MSS SP-44?
(NPS> 24)BW???:ASME B16.25?
??????:ASME B16.11?
???????:ASME B16.10?
6??? - ?????:ASME B16.34?
7???:ASTM A315,CF8,CF8M,CF3,CF3M, 1.4301,1.4306,1.4401,1.4404,1.0619?