• Construction of large diameter LSAW pipe System 1
  • Construction of large diameter LSAW pipe System 2
  • Construction of large diameter LSAW pipe System 3
  • Construction of large diameter LSAW pipe System 4
Construction of large diameter LSAW pipe

Construction of large diameter LSAW pipe

Ref Price:
get latest price
Loading Port:
Tianjin
Payment Terms:
TT or LC
Min Order Qty:
15 m.t.
Supply Capability:
9000 m.t./month

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Product Description:

1、Structure of Welded Steel Tube: 

Welded Steel Tube is formed by drawing a solid billet over a piercing rod to create the hollow shell. We are company that have many years experience and professional manager team and engineer team and sales team, sure we will provide you high quality of welded pipe and professioanl service.

2、‍‍Main Features of the Welded Steel Tube:

• High manufacturing accuracy

• The higher strength

• The small inertia resistance

• Strong heat dissipation ability

• Good visual effect

• Satisfy price  

3、Welded Steel Tube Specification:

Standard

Grade

(MPa)

(MPa)

Yield strength

Tensile Strength

API SPEC 5L

PSL1

B

≥241

≥414

×42

≥290

≥414

×46

≥317

≥434

×52

≥359

≥455

×56

≥386

≥490

×60

≥414

≥517

×65

≥448

≥531

×70

≥483

≥565

PSL2

 

Min

Max

Min

Max

B

241

448

441

758

×42

290

496

414

758

×46

317

524

434

758

×52

359

531

455

758

×56

386

544

490

758

×60

414

565

517

758

×65

448

600

531

758

×70

483

621

565

758

Chemical Composition(%)

 

Standard

Grade

C

Mn

P

S

CEV

Max

Max

Max

Max

Max

PSL1

 

-

B

0.26

1.2

0.030

0.030

×42

0.26

1.3

0.030

0.030

×46,×52,×56,X60

0.26

1.4

0.030

0.030

X65

0.26

1.45

0.030

0.030

X70

0.26

1.65

0.030

0.030

PSL2

 

 

0.43

B

0.22

1.20

0.025

0.015

1) Material: Grade:API 5L GR.B, X40, X42, X52, X56, X60, X65, X70.ST37/37-2,ST33,ST35.8,ST35.4.GB 9711.1/SY5037/GB3092

2) Specification range: OD: 406.4MM-1422MM (16”-56”)

Thickness: 8MM-50.8MM depends on OD

3) Excutive standards:GB,ASME API5L.ASTM A 106/A53,Despite of the above standards,we can also supply seamless steel pipe with standard of DIN,JIS,and so on,and also develop new products according to the requirements of our clients!
4) Surface:black lacquered,varnish coating or galvanized.
5) Ends:Beveled or square cut,plastic capped,painted.
6) Packing:bundles wrapped with strong steel strip,seaworthy packing.

4、Packaging & Delivery

Packaging   Details:

seaworthy   package,bundles wrapped with strong steel strip

Delivery   Detail:

15-30days   after received 30%TT

5、FAQ of Welded Steel Tube:  

①How is the quality of your products?
     We have many years business experience in this area, and we have professional engineer and manager team and sure we can provide you high quality production and professional service.

②How about price?
    If you like bargain and factory price is not low enough as you think, just don’t waste your time.Please trust the quotation we would give you, it is professional one.

③Why should you chose us?
    We can give you both.Additionally, we can also offer professional products inquiry, products knowledge train(for agents), smooth goods delivery, exellent customer solution proposals.Our service formula: good quality+good price+good service=customer’s trust. 

6、‍‍ Welded Steel Tube Images:

 

 

 

 

 

Q: Can steel pipes be used for underground stormwater drainage?
Indeed, underground stormwater drainage can utilize steel pipes. These pipes possess durability and boast a high strength-to-weight ratio, rendering them appropriate for subterranean usage. They can endure substantial burdens and fend off corrosion, thus guaranteeing sustained effectiveness within stormwater drainage systems. Furthermore, steel pipes lend themselves to easy welding, facilitating customization and flexibility during both design and installation. Nonetheless, it is imperative to implement adequate corrosion protection measures, such as the application of a protective coating or the utilization of corrosion-resistant alloys, to avert degradation over time. Regular maintenance and monitoring are also advisable to uphold the pipes' integrity and ensure optimal stormwater drainage functionality.
Q: How to calculate the maximum bending stress of steel pipe? Is there a list of the maximum flexural normal stresses for steel pipes of different materials and diameters?
Strength design of steel pipe by this formula to calculate the maximum normal stress in the steel pipe should be less than the value (based on your choice of different grades of steel, steel strength design value is not the same, this value can also be found through the design manual of steel structure), meet the requirements, it can meet the requirements of steel pipe under the action of bending moment strength.
Q: Can steel pipes be used for underground electrical conduits?
Yes, steel pipes can be used for underground electrical conduits.
Q: What is the difference between steel pipes and PEX pipes?
Steel pipes are made of metal and are known for their durability and strength. They are commonly used in industrial applications and for transporting fluids and gases. On the other hand, PEX pipes are made of a flexible plastic material called cross-linked polyethylene. PEX pipes are more flexible and easier to install compared to steel pipes. They are commonly used in residential plumbing systems due to their resistance to corrosion and ability to expand and contract with temperature changes.
Q: Can steel pipes be used for transporting liquids and gases?
Yes, steel pipes can be used for transporting liquids and gases. Steel pipes are commonly used in various industries, such as oil and gas, water supply, and chemical processing, due to their durability, strength, and resistance to corrosion. They are capable of safely and efficiently transporting a wide range of liquids and gases over long distances.
Q: Can steel pipes be used for gas lines?
Yes, steel pipes can be used for gas lines. Steel pipes are commonly used for gas lines due to their durability, strength, and resistance to extreme temperatures. They are able to withstand high pressure and are typically coated with corrosion-resistant materials to ensure the safety and longevity of the gas line system.
Q: Can steel pipes withstand high temperatures?
Yes, steel pipes can withstand high temperatures. Steel is known for its excellent thermal conductivity and high melting point, making it suitable for various applications that involve exposure to elevated temperatures.
Q: How are steel pipes protected against abrasive wear?
Steel pipes are protected against abrasive wear through various methods such as lining the interior of the pipes with abrasion-resistant materials, applying protective coatings on the pipe surface, or using ceramic tiles or liners. These measures help minimize the effects of friction and abrasion, ensuring the longevity and durability of the steel pipes.
Q: What are the common defects found in steel pipes?
Some common defects found in steel pipes include corrosion, cracks, dents, and leaks. Other defects may include misalignment, improper welding, and pipe wall thinning. These defects can lead to reduced structural integrity, compromised performance, and potential failure of the pipes. Regular inspections and maintenance are essential to identify and address these issues promptly.
Q: What are the different grades of steel used in manufacturing pipes?
The different grades of steel used in manufacturing pipes are typically categorized based on their chemical composition and mechanical properties. Some common grades include carbon steel, stainless steel, alloy steel, and duplex steel. Each grade has its own unique characteristics and is chosen based on the specific requirements of the application, such as corrosion resistance, strength, and temperature resistance.

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