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Spiral welded steel pipe supply condition
Supply Grade:GB/T9711：L175，L210，L245，L290，L320，L360，L390，L415，L450，L555 SY/T 5037，SY/T5040，Q235B,Q345B API 5L:A,B,X42,X46,X52,X56,X60,X65,X70 Supply standard:GB/T 9711.SY/T 5037,SY/T5040,API 5L Specification:O.D 219mm--3000mm,thickness 6mm--25.4. Length:standard length is 6m and 12m,cut to length is available upon request.