GB/T13793-2008 Q235B welded and seamless steel pipe

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11-May-2024

GB/T13793-2008 Q235B welded steel pipe is KUNFENG Steel main production of steel, Q235B welded steel pipe mainly for the transmission of oil and gas pipelines, pressure fluid transport, can be used plastic cap packaging, packing or bulk or marine packaging or according to customer requirements can be exposed,surface can painted black paint, galvanized wait.

Q235B welded and seamless steel pipe Chemical composition:

chemical composition of Q235B
chemical composition of Q235B
Grade	Class	C	Mn	Si	S	P
Grade	Class	no more than
Q235	B	0.12-0.2	0.3-0.7	0.3	0.045	0.045

GB/T13793-2008 Q235B welded steel pipe Mechanical properties

mechanical property of Q235B
mechanical property of Q235B
Grade	yield	Tensile	Elongation after
	strength Rel/N/MM^2	strength	fracture A/%
		R/N/MM^2
	no less than
Q235B	235	375	20

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