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Butt Weld Pipe Fittings And Flanges Manufacturer Since 1983

LSAW Steel Pipe


Product Features:

Product: LSAW pipe, Longitudinally Submerged Arc Welding Pipe
Standards: ASTM A53, ASTM A106, API 5L, APL 5CT, ASTM A519 and ASTM A213/A213M
Application: Used for oil/gas/water Transmission, Engineering,/Offshore projects, also used for Fluid Transmission, Structural Support in Industrial Construction.
Length: 2-18m (or customized)

Surface treatment: Coating, painting, galvanizing, or custom.

Product


INFORMATION

Longitudinal Submerged Arc Welded (LSAW) steel pipes are a type of high-performance steel pipe primarily used in heavy-duty industries like oil and gas transportation. They are produced by bending and welding steel plates, resulting in a pipe with a single longitudinal seam.

LSAW pipes are known for their large diameter, thick walls, high-pressure resistance, and strong structural integrity, making them suitable for long-distance pipelines and underwater services.

Despite being more labor-intensive and costly than other pipe types, their strength and durability make them an invaluable asset in demanding conditions.

Application:

LSAW (Longitudinal Submerged Arc Welding) steel pipes find diverse applications across various industries due to their structural integrity and versatility.
Below are some of the key usages and applications of LSAW steel pipes:

  • Oil and Gas Transportation: LSAW steel pipes are extensively used in the oil and gas industry for pipeline systems. These pipes are employed for the transportation of crude oil, natural gas, and other fluids or gases.
  • Water Infrastructure: LSAW pipes are utilized in water-related infrastructure projects, including water supply and drainage systems
  • Chemical Processing: LSAW pipes are used in chemical industries where they are employed for conveying chemicals, liquids, and gases securely and efficiently.
  • Construction and Infrastructure: These pipes are used in various construction projects, such as building foundations, bridges, and other structural applications
  • Piling: LSAW pipes are employed in piling applications to provide foundational support in construction projects, including building foundations and marine structures
  • Energy Sector: They are used for transporting various forms of energy, including steam and thermal fluids in power generation plants.
  • Mining: LSAW pipes find application in mining projects for conveying materials and tailings.
  • Industrial Processes: Industries such as manufacturing and production utilize LSAW pipes for different industrial processes, including conveying raw materials and finished products.
  • Infrastructure Development: These pipes are essential in developing infrastructure projects such as roads, highways, and underground utilities.
  • Structural Support: LSAW pipes are used for fabricating structural supports, columns, and beams in construction and engineering projects
  • Shipbuilding: In the shipbuilding industry, LSAW pipes are employed for constructing various parts of ships, including hulls and structural components.

Our Strength

1. 30,000-ton production capacity guarantee | Stable supply of large-scale project needs
2. Dual-standard certified steel pipes | API 5L + EN 10219 dual compliance assurance
3. Precision Cutting Services | Ready-to-use pipe end treatments
4. Oil and Gas Project Logistics System | Exclusive Shipping Solutions Covering Central Asia/Middle East

Large Diameter API 5L LSAW Steel Pipe Manufacturer

Specification&Standard

O.D.

W.T.

Length(m)

Inch

mm

Min.Yield Strength(Mpa)

Inch

mm

245(B)

290(X42)

360(X52)

415(X60)

450(X65)

485(X70)

555(X80)

16

406

6.0-14.0

6.0-13.0

6.0-12.0

6.0-11.0

6.0-10.5

6.0-10.0

6.0-9.0

6.0-12.3

18

457

6.0-15.0

6.0-14.0

6.0-13.0

6.0-12.0

6.0-11.5

6.0-11.0

6.0-10.0

6.0-12.3

20

508

6.0-16.0

6.0-15.0

6.0-14.0

6.0-13.0

6.0-12.5

6.0-12.0

6.0-11.0

6.0-12.3

22

559

6.0-17.0

6.0-16.0

6.0-15.0

6.0-14.0

6.0-13.5

6.0-13.0

6.0-12.0

6.0-12.3

24

610

6.0-18.0

6.0-17.0

6.0-16.0

6.0-15.0

6.0-14.5

6.0-14.0

6.0-13.0

6.0-12.3

26

660

6.0-19.0

6.0-18.0

6.0-17.0

6.0-16.0

6.0-15.0

6.0-15.0

6.0-14.0

6.0-12.3

28

711

6.0-20.0

6.0-19.0

6.0-18.0

6.0-17.0

6.0-16.5

6.0-16.0

6.0-15.0

6.0-12.3

30

762

7.0-21.0

7.0-20.0

7.0-19.0

7.0-18.0

7.0-17.5

7.0-17.0

7.0-16.0

6.0-12.3

32

813

7.0-22.0

7.0-21.0

7.0-20.0

7.0-19.0

7.0-18.5

7.0-18.0

7.0-17.0

6.0-12.3

34

864

7.0-23.0

7.0-22.0

7.0-21.0

7.0-20.0

7.0-19.5

7.0-19.0

7.0-18.0

6.0-12.3

36

914

8.0-24.0

8.0-23.0

8.0-22.0

8.0-21.0

8.0-20.5

8.0-20.0

8.0-19.0

6.0-12.3

38

965

8.0-25.0

8.0-24.0

8.0-23.0

8.0-22.0

8.0-21.5

8.0-21.0

8.0-20.0

6.0-12.3

40

1016

8.0-26.0

8.0-25.0

8.0-24.0

8.0-23.0

8.0-22.5

8.0-22.0

8.0-21.0

6.0-12.3

42

1067

8.0-26.0

8.0-25.0

8.0-24.0

8.0-23.0

8.0-22.5

8.0-22.0

8.0-21.0

6.0-12.3

44

1118

9.0-27.0

9.0-26.0

9.0-24.5

9.0-23.5

9.0-22.8

9.0-22.0

9.0-21.0

6.0-12.3

46

1168

9.0-27.0

9.0-26.0

9.0-24.0

9.0-23.5

9.0-22.8

9.0-22.0

9.0-21.0

6.0-12.3

48

1219

9.0-28.0

9.0-27.0

9.0-25.4

9.0-24.0

9.0-23.5

9.0-23.0

9.0-22.0

6.0-12.3

52

1321

9.0-28.0

9.0-27.0

9.0-25.4

9.0-24.2

9.0-23.5

9.0-23.0

9.0-22.0

6.0-12.3

56

1422

10.0-29.0

10.0-28.0

10.0-26.0

10.0-24.5

10.0-23.8

10.0-23.0

10.0-22.0

6.0-12.3

60

1524

10.0-29.0

10.0-28.0

10.0-26.0

10.0-24.5

10.0-23.8

10.0-23.0

10.0-22.0

6.0-12.3

64

1626

10.0-30.0

10.0-29.0

10.0-27.0

10.0-25.4

10.0-24.8

10.0-24.0

10.0-23.0

6.0-12.3

68

1727

10.0-30.0

10.0-29.0

10.0-27.0

10.0-25.4

10.0-24.8

10.0-24.0

10.0-23.0

6.0-12.3

72

1829

10.0-30.0

10.0-29.0

10.0-27.0

10.0-25.4

10.0-24.8

10.0-24.0

10.0-23.0

6.0-12.3

Tolerance of Outside Diameter and Wall Thickness

Types

Standard

SY/T5040-2000

SY/T5037-2000

SY/T9711.1-1977

ASTM A252

AWWA C200-97

API 5L PSL1

Tube end OD deviation

±0.5%D

±0.5%D

-0.79mm~+2.38mm

<±0.1%T

<±0.1%T

±1.6mm

Wall thickness

±10.0%T

D<508mm, ±12.5%T

-8%T~+19.5%T

<-12.5%T

-8%T~+19.5%T

5.0mm<t<15.0mm,></t<15.0mm,>

D>508mm, ±10.0%T

T≥15.0mm, ±1.5mm

QUALITY CONTROL

JS FITTINGS has several third-party approvals for its manufacturing process as well as customer approvals.

Destructive & non-destructive testing (In assuring the quality of our products, our own in-house testing facilities play an important role. Our laboratory is well equipped to perform a wide variety of both destructive and non-destructive quality tests.)

Destructive testing includestensile testsNon-destructive testing includeseddy current testing
impact testsx-ray testing
bend testshydro testing
hardness testsultrasonic testing
intercrystalline corrosion testpositive material identification testing
pitting corrosion test
metallurgical tests

SOME OF OUR

Testimonials

“This product is exactly in line with our requirement technically and competitive commercially.”

Anton

Russia

“The flanges are exactly in line with our requirement technically and competitive commercially.”

Boran

Turkey

“We tested the elbows and flanges, their performance is very nice. We will make the new purchase plan for the warehouse.”

Farir

Oman

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