Welded pipe/Spiral Welded Steel Pipes / Big Diameter ASTM A108 A179 API 5L Carbon Steel Well Casing Pipes
Spiral welded pipe is a type of spiral seam welded steel pipe made by rolling low-carbon carbon structural steel or low-alloy structural steel strips into pipe blanks at a certain spiral Angle and then welding the seams together
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Product NameWelded pipe
Out Diameter10-1000mm
Wall Thickness1-80mm
Length1-12m
TechniqueHot Rolled
Steel GradesQ195, Q235A-B, Q345A-E, 20#, 10#,16Mn, ASTM A36,ASTM A500, ASTM A53, ASTM 106, SS400, St37, St52, S235JR, S355TRH ect.
StandardsGB/T 3091-2001,GB/T13912-2002, BS 1387, ASTM F1083 ect.
Applicationliquid delivery (pump well, gas, water), construction pipe, structural pipe(greenhouse structure, fence post), curtain wall, machinery part ect.

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