The steel for both seamless and welded pipe shall be made by one or more of the following processes: open-hearth, electric furnace, or basic-oxygen. The weld seam of electric-resistance welded pipe in Grade B shall be heat treated after welding.
Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless.
Standards: ASTM A53/53M (ASME SA53/SA53M)
Size (mm):
Outer Dimensions.: 6.0mm ~ 180 mm
Wall Thickness:1.mm ~ 30 mm
Length: max 12000mm
Application: For mechanical and pressure use, and also for transporting steam, water, gas and etc.
Mill test certificates will be issued according to EN10204/3.1B
Steel grade: Grade.A; Grade.B .
Packing: Bare packing/bundle packing/crate packing/wooden protection at the both sides of tubes and suitably protected for sea-worthly delivery or as requested.
Both ends of each tube will indicate the order no., heat no., dimensions, weight and bundles or as requested.
ASTM A53 pipe
Materials and Manufacture
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