????? ????
API 5CT ????? ??? ???
- ???: Metallurgy & Minerals/Ordinary Steel/Steel Pipe
- ?? ??:
- ???:
- ??:
??: ?? ??
API 5L PSL1 ??? ??
- ???: Metallurgy & Minerals/Ordinary Steel/Steel Pipe
- ?? ??:
- ???: Borun
- ??:
??: 600
???? ?? ?? ? ???? ?? ? ?
- ???: Metallurgy & Minerals/Ordinary Steel/Steel Pipe
- ?? ??:
- ???:
- ??: Hot Rolled: 88.9-508mm; Hot Expanded: 457-914.4mm; Cold Drawn: 10.3-73mm
??: ?? ??