Line pipe , Pipeline , Seamless steel pipe - Tianjin Baolai Steel Industry Group Co.,Ltd

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Line Pipe, Pipeline Seamless Steel Pipe Large Diameter

Model NO. Line Pipe, Pipeline Seamless Steel Pipe Large Diameter

Line Pipe, Pipeline Steel Pipe Large Diameter

Standard： API spec 5l、ISO 3183, gb/t 9711

Application： used for conveying gas, water, and petroleum for oil and gas industries.

Quantity

Strong and durable, BAOLAI® pipeline seamless steel pipe is perfect for large-scale pipeline construction projects.

Our large diameter line pipe/ seamless steel pipe is made from high-quality materials using advanced manufacturing techniques.

The result is a product that boasts superior strength and durability compared to other pipeline options.

With a seamless design, there are fewer weak points and a lower risk of leaks or failures.

Our pipes are suitable for a range of applications, including transporting oil, gas, and water over long distances.

The line pipes are also highly resistant to corrosion, which ensures longevity and low maintenance costs. Whether you need a reliable solution for industrial or commercial-scale projects, our pipeline seamless steel pipes/ line pipes are the perfect choice.

Standard	Grade	Yield strength (mpa)		Tensile strength (mpa)		Elongation	(j)
API spec 5l iso 3183 gb/t 9711		psl1
	a25/l175	≥172		≥310
	a/l210	≥207		≥331
	b/l245	≥241		≥414
	x42/l290	≥290		≥414
	x46/l320	≥317		≥434
	x52/l360	≥359		≥455
	x56/l390	≥386		≥490
	x60/l415	≥414		≥517
	x65/l450	≥448		≥531
	x70/l485	≥483		≥565
	psl2
		min	max	min	max		min
	b/l245	241	448	441	758		41(27)
	x42/l290	290	496	414	758		41(27)
	x46/l320	317	524	434	758		41(27)
	x52/l360	359	531	455	758		41(27)
	x56/l390	386	544	490	758		41(27)
	x60/l415	414	565	517	758		41(27)
	x65/l450	448	600	531	758		41(27)
	x70/l485	483	621	565	758		41(27)
	x80/l555	552	690	621	827		101(68)

Chemical composition (%)：

Standard	Grade	c	mn	p		s
Standard	Grade	max	max	min	max	max
api spec 5l iso 3183 gb/t 9711	psl1
	a25/l175	0.21	0.60		0.030	0.030
	a25p/l175p	0.21	0.60	0.45	0.080	0.030
	a/l210	0.22	0.90		0.030	0.030
	b/l245	0.28	1.20		0.030	0.030
	x42/l290	0.28	1.30		0.030	0.030
	x46/l320、x52/l360、x56/390	0.28	1.40		0.030	0.030
	x60/l415、x65/l450、x70/l485	0.28	1.40		0.030	0.030
	psl2
	b/l245	0.24	1.20		0.025	0.015
	x42/l290	0.24	1.30		0.025	0.015
	x46/l320、x52/l360、x56/l390	0.24	1.40		0.025	0.015
	x60/l415、x65/l450、x70/l485	0.24	1.40		0.025	0.015