GB/T13793-2008 Grade 15 welded steel pipe

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11-May-2024

GB/T13793-2008 Grade 15 welded steel pipe is mainly used for long-distance pipelines such as land, coast, petroleum, natural gas and liquid coal. GB/T13793 Gr.15 steel pipe can also be used as pipelines for offshore platform, power station, petrochemical industry, urban construction, etc., the general delivery status is welding state (not heat treatment state) , But also by the overall heat treatment or weld heat treatment delivery, the surface can be painted black paint/paint, black rust oil, hot dip galvanized, 3PE, epoxy paint protection.

GB/T13793 Grade 15 welded steel pipe Mechanical properties

mechanical property of 15
mechanical property of 15
Grade	yield	Tensile	Elongation after
	strength Rel/N/MM^2	strength	fracture A/%
		R/N/MM^2
	no less than
15	215	355	20

GB/T13793-2008 Grade 15 welded steel pipe chemical composition:

C:0.12-0.19;Mn:0.35-0.65;P≤0.035;S≤0.035;Cr≤0.25;Ni≤0.25;Cu≤0.25;Si:0.17-0.37

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