Spiral welded steel pipe (SAW steel pipe /spiral weld pipe )

1.Double-side Spiral Submerged-arc Welded Steel Pipe
2.DN(219mm---2420mm)
3.Wallthickness(5.6mm--20.6mm)
4.Excutitive Standard: API 5L
5.Grade : B(L245)/X42(L290)/X52(L360)X60(L450)

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