China Customized Long Seam Welded Pipe Manufacturers Suppliers Factory - Discount Price

Introduction of Longma's Long Seam Welded Pipe:

Longma presents a cutting-edge solution for pipeline systems: Long Seam Welded Pipe. Engineered with precision and crafted with expertise, these pipes offer superior performance, durability, and reliability.

Product Name	Long Seam Welded Pipe
Standard	ASTM A53 Gr.B; API 5L: Gr.B,X42,X46, X52,X56,X60,X65,X70,X80 PSL1 and PSL2; ASTM A252, ASTM A500, AS/NZS 1163, AS/NZS1074, EN10219, EN10217 and etc
Welding Type	Longitudinally Submerged Welded
Outer Diameter	4"-56" (114.3mm--1422mm)
Thickness	SCH10-SCH160 (6.35mm-59.54mm)
Length	6m-18m
End	BE(Beveled Ends), PE(Plain Ends)
Test	Chemical Component Analysis, Mechanical Properties (Tensile strength, Yield strength, Elongation), Ultrasonic Testing, NDT(nondestructive testing), Hydrostatic Test, X-ray Test
Fastest Delivery Time	7 Days for normal specification

Long Seam Welded Pipe

Long Seam Welded Pipe Specification:

Outer Diameter		Norminal Wall Thickness(mm)
INCH	MM
4-56	114.3-1422	6.35-59.54

Chemical Composition of Long Seam Welded Pipe:

Standard	Grade	Chemical Composition(max)%
Standard	Grade	C	Si	Mn	P	S
API 5L PSL1	B	0.26	-	1.2	0.03	0.03
	X42	0.26	-	1.3	0.03	0.03
	X46	0.26	-	1.4	0.03	0.03
	X52	0.26	-	1.4	0.03	0.03
	X56	0.26	-	1.4	0.03	0.03
	X60	0.26	-	1.4	0.03	0.03
	X65	0.26	-	1.45	0.03	0.03
	X70	0.26	-	1.65	0.03	0.03
API 5L PSL2	B	0.22	0.45	1.2	0.025	0.015
	X42	0.22	0.45	1.3	0.025	0.015
	X46	0.22	0.45	1.4	0.025	0.015
	X52	0.22	0.45	1.4	0.025	0.015
	X56	0.22	0.45	1.4	0.025	0.015
	X60	0.12	0.45	1.6	0.025	0.015
	X65	0.12	0.45	1.6	0.025	0.015
	X70	0.12	0.45	1.7	0.025	0.015
	X80	0.12	0.45	1.85	0.025	0.015
ASTM A53	B	0.3	0.1	1.2	0.05	0.045
ASTM A252	1	-	-	-	0.05	-
	2	-	-	-	0.05	-
	3	-	-	-	0.05	-
EN10219-1	S235JRH	0.17	-	1.4	0.04	0.04
	S275JOH	0.2	-	1.5	0.035	0.035
	S275J2H	0.2	-	1.5	0.03	0.03
	S355JOH	0.22	0.55	1.6	0.035	0.035
	S355J2H	0.22	0.55	1.6	0.03	0.03
	S355K2H	0.22	0.55	1.6	0.03	0.03

Mechanical Properties of Long Seam Welded Pipe:

Standard	Grade	Mechanical Properties(min)
Standard	Grade	Tensile Strength(Mpa)	Yield Strength(Mpa)
API 5L PSL1	B	415	415
	X42	415	415
	X46	435	435
	X52	460	460
	X56	490	490
	X60	520	520
	X65	535	535
	X70	570	570
API 5L PSL2	B	415	415
	X42	415	415
	X46	435	435
	X52	460	460
	X56	490	490
	X60	520	520
	X65	535	535
	X70	570	570
	X80	625	625
ASTM A53	B	415	415
ASTM A252	1	345	345
	2	414	414
	3	455	455
EN10219-1	S235JRH	360	360
	S275JOH	410	410
	S275J2H	410	410
	S355JOH	470	470
	S355J2H	470	470
	S355K2H	470	470

Our Advantages for Long Seam Welded Pipe:

·Competitive Price: We have long-term stable cooperation with raw material factories, mature and complete production supporting facilities, a rigorous quality control system, and an integrated model that keeps our production costs at a relatively low level.

·Fast Delivery Time: The production of steel pipes with standard specification can be completed in as fast as 7 days.

·Complete Certification: All types of certificates are available, including API 5L certificate, ISO 9001 certificate, ISO 14001 certificate, FPC certificate, Environmental Quality System certificate, and more.

·Advanced Production Equipment: We imported the equipment from Germany and developed independently four production equipments.

·Professional Team: We have over 300 employees, including more than 60 technical personnel, and possesses an independent equipment research team.

·Comprehensive Testing Facilities: We are equipped with various testing facilities, including but not limited to online ultrasonic automatic flaw detectors, industrial X-ray television and other essential testing equipment.

Application:

Longma Group's Long Seam Welded Pipe find wide-ranging applications in:


Oil and gas pipelines	Structural support for bridge, building construction

Water and liquid transportation	Piling and foundation work in construction project

Offshore/Onshore construction	Electricity and Heating power

FAQ:

Q: What is the difference between Long Seam Welded Pipes and other types of pipes?

A: Long Seam Welded Pipes are manufactured by welding a long seam along the length of the pipe, resulting in a strong and continuous joint. This method offers several advantages over other pipe manufacturing techniques, including improved structural integrity and enhanced corrosion resistance.

Q: Are Longma's Long Seam Welded Pipes suitable for underground installation?

A: Yes, Longma's Long Seam Welded Pipes are ideal for underground installation due to their robust construction and corrosion resistance. Our pipes are designed to withstand the challenges of underground environments, providing long-lasting performance and reliability.

Q: Can Longma Group provide custom sizes and specifications for Long Seam Welded Pipes?

A: Yes, Longma offers custom manufacturing services to meet the unique requirements of our customers. Whether you need a specific size, length, or configuration, our team will work closely with you to deliver tailor-made solutions that exceed your expectations.

Q: How does Longma ensure the quality of its Long Seam Welded Pipes?

A: At Longma, quality is our top priority. We adhere to strict quality control measures throughout the manufacturing process, from raw material inspection to final product testing. Our state-of-the-art facilities and experienced personnel ensure that every Long Seam Welded Pipe meets the highest standards of quality and performance.

Longma Group:

Hebei Longma Group Limited(LONGMA GROUP) is one of China leading ERW/LSAW steel pipe manufacturers since 2003, with a registered capital of 441.8 billion, covering an area of 230000 square meters. The company specializes in the production: large-diameter, thick-walled, double-sided, sub-arc-seam, welding steel pipe, LSAW-Longitudinal Submerged Arc Welded, ERW steel pipes. By the end of 2023, the company's annual output exceeded 1000000 tons.

Longma's Long Seam Welded Pipes are the epitome of excellence in pipeline technology. With superior construction, unmatched durability, and versatile applications, our pipes offer a reliable solution for various industries. Backed by our commitment to quality and customer satisfaction, Longma is your trusted partner for all your pipeline needs. Contact us today at info@longma-group.com to learn more about our products and services.

Longma Group

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