L450 Line Pipe

L450/X65
Corresponding standard: GB/T 14164-2013
Hot-rolled wide steel strip for oil and gas pipelines
L450 steel for seamless steel pipe and welded steel pipe

Chemical composition of L450 line pipe:
Carbon (C) 0.28
Manganese (Mn) 1.4
Phosphorus (P)≤0.03
Sulfur (S)≤0.030

Mechanical properties of L450 line pipe:
Tensile strength (MPa) 450
Yield strength (MPa) ≥ 535
Elongation (%) 18

Welded steel pipes refer to steel strips or steel plates that are bent and deformed into circular, square, etc. shapes and then welded, with seams on the surface.

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