WELDED STEEL PIPE,

O.D.: 5 1/2"-13 3/8"(139.7-339.7mm)

W.T.: 0.203"-0.5" (5.2-12.7mm)

Length: 10-12m

1)OCTG, oil pipe: 

line pipe, API5L, PSL1,PSL2,B,X42,X46,X52,X56,X60,X65,X70

green casing: API5CT, H40,J55.R3, P/E, T&C.

2)black pipe, structural pipe, fluid pipe

Q235B,Q345,20#, 

(ISO3183.1), (ISO3183.2),ASTM A53

GB/T3091-2008(low pressure liquid delivery),

GB/T13793-92(structures,machine parts, liquid service),

GB/T14291-2006(mine liquid service),

EN10219-2(esen10210-2)

ERW STEEL PIPE——SZTSP