Straight Seam Welded Pipe
Standard:API 5L, ASTM A53, ASTM A500,ASTM A252,ASTM A795...
Welding Type:ERW,LSAW,SSAW
Outer Diameter: 4"-56"
Thickness:SCH10-SCH160
Fastest Delivery Time: 7 Days+
Introduction of Straight Seam Welded Pipe:
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Product Name |
Straight Seam Welded Pipe |
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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 |
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Welding Type |
Straight Seam Welded |
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Outer Diameter |
4"-56" (114.3mm--1422mm) |
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Thickness |
SCH10-SCH160 (6.35mm-59.54mm) |
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Length |
6m-18m |
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End |
BE(Beveled Ends), PE(Plain Ends) |
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Test |
Chemical Component Analysis, Mechanical Properties (Tensile strength, Yield strength, Elongation), Ultrasonic Testing, NDT(nondestructive testing), Hydrostatic Test, X-ray Test |
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Fastest Delivery Time |
7 Days for normal specification |
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Straight Seam Welded Pipe Specification:
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Outer Diameter |
Norminal Wall Thickness(mm) |
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INCH |
MM |
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4-56 |
114.3-1422 |
6.35-59.54 |
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Chemical Composition and Mechanical Properties of Straight Seam Welded Pipe:
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Standard |
Grade |
Chemical Composition(max)% |
Mechanical Properties(min) |
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C |
Si |
Mn |
P |
S |
Tensile Strength(Mpa) |
Yield Strength(Mpa) |
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API 5L PSL1 |
B |
0.26 |
- |
1.20 |
0.030 |
0.030 |
415 |
415 |
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X42 |
0.26 |
- |
1.30 |
0.030 |
0.030 |
415 |
415 |
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X46 |
0.26 |
- |
1.40 |
0.030 |
0.030 |
435 |
435 |
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X52 |
0.26 |
- |
1.40 |
0.030 |
0.030 |
460 |
460 |
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X56 |
0.26 |
- |
1.40 |
0.030 |
0.030 |
490 |
490 |
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X60 |
0.26 |
- |
1.40 |
0.030 |
0.030 |
520 |
520 |
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X65 |
0.26 |
- |
1.45 |
0.030 |
0.030 |
535 |
535 |
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X70 |
0.26 |
- |
1.65 |
0.030 |
0.030 |
570 |
570 |
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API 5L PSL2 |
B |
0.22 |
0.45 |
1.2 |
0.025 |
0.015 |
415 |
415 |
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X42 |
0.22 |
0.45 |
1.3 |
0.025 |
0.015 |
415 |
415 |
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X46 |
0.22 |
0.45 |
1.4 |
0.025 |
0.015 |
435 |
435 |
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X52 |
0.22 |
0.45 |
1.4 |
0.025 |
0.015 |
460 |
460 |
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X56 |
0.22 |
0.45 |
1.4 |
0.025 |
0.015 |
490 |
490 |
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X60 |
0.12 |
0.45 |
1.6 |
0.025 |
0.015 |
520 |
520 |
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X65 |
0.12 |
0.45 |
1.6 |
0.025 |
0.015 |
535 |
535 |
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X70 |
0.12 |
0.45 |
1.7 |
0.025 |
0.015 |
570 |
570 |
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X80 |
0.12 |
0.45 |
1.85 |
0.025 |
0.015 |
625 |
625 |
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ASTM A53 |
B |
0.3 |
0.1 |
1.2 |
0.05 |
0.045 |
415 |
415 |
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ASTM A252 |
1 |
- |
- |
- |
0.05 |
- |
345 |
345 |
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2 |
- |
- |
- |
0.05 |
- |
414 |
414 |
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3 |
- |
- |
- |
0.05 |
- |
455 |
455 |
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EN10219-1 |
S235JRH |
0.17 |
- |
1.4 |
0.04 |
0.04 |
360 |
360 |
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S275JOH |
0.2 |
- |
1.5 |
0.035 |
0.035 |
410 |
410 |
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S275J2H |
0.2 |
- |
1.5 |
0.03 |
0.03 |
410 |
410 |
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S355JOH |
0.22 |
0.55 |
1.6 |
0.035 |
0.035 |
470 |
470 |
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S355J2H |
0.22 |
0.55 |
1.6 |
0.03 |
0.03 |
470 |
470 |
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S355K2H |
0.22 |
0.55 |
1.6 |
0.03 |
0.03 |
470 |
470 |
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Our Advantages for LSAW Steel 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 Straight Seam Welded Pipe find wide-ranging applications in following areas.
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Oil and gas pipelines |
Structural support for bridge, building construction |
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Water and liquid transportation |
Piling and foundation work in construction project |
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Offshore/Onshore construction |
Electricity and Heating power |
FAQ：
Q: What distinguishes straight seam welded pipes from other types of pipes?
A: Unlike seamless pipes, straight seam welded pipes feature a longitudinal seam formed during the manufacturing process.
Q: Are straight seam welded pipes suitable for corrosive environments?
A: Yes, depending on the material composition, straight seam welded pipes can be manufactured to withstand corrosion in challenging environments.
Q: Can Longma provide custom sizes and specifications for straight seam welded pipes?
A: Absolutely! We offer tailored solutions to meet the unique requirements of our customers.
Q: What certifications do Longma’s straight seam welded pipes adhere to?
A: Our pipes comply with industry standards and certifications, ensuring quality and reliability.
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 Group is your premier destination for high-quality straight seam welded pipes. With a commitment to excellence and customer satisfaction, we strive to deliver superior products that meet and exceed your expectations. Contact us at info@longma-group.com to learn more about our products and services. Experience the difference with Longma today!
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