Erw Welded Round Steel Tube And Pipe

Company Hebei Borun Steel Trade Co., Ltd
Product Name ERW
Surface Treatment light-oiled, black painting , hot galvanizing, sand blasting, FBE, 2PE, 3PE etc
Production Standard API 5L, ASTM A53, BS1387, EN10219, EN10210, SY/T5768 -2006, GB/T3091 -2008, GB/T9711 -1, JIS G3444, JIS G3452
Steel grade S235, S275, S355, A53, Q195, Q235, Q345, L245, L290, Gr.B, X42-70 etc
O.D 1/2³ -24³ ( 21.3-610mm)
W.T 2-20mm
Length R1( 6.10-7.32m ), R2( 8.53-9.75m), R3(11.58-12.80m)
packing details in bundles with steel strips or in bulk as per the loading requirements
End Plain, Beveled
MOQ 10 Ton
Payment term T/T,L/C
Delivery date According to The Specifications And the Quantities Of Each Contract
Application civil building and construction, petrochemical sector, light market, fluid transferring sector, mechanical components.
Main Market South and East Asia, Middle East, Europe and America

Item Hot Dipped Galvanized Round Steel Pipe/GI Pipe/Galvanised Tube
OD 20~405mm in theory
Thickness 1.2~15.7mm
Length Any Length Below 16 Meter
Standard GB,ASTM,BS,EN,JIS
Material Chinese Grade, Q195, Q215 Q235, Q345
ASTM, Grade B,Grade C,Grade D,Grade 50
EN, S185,S235JR,S235JO,E335,S355JR,S355J2
JIS, SS330,SS400,SPFC590
Application Used For Water, Gas, Stream, Combustible Fluids And Other Liquid Delivery
Ends
Plain, Beveled, Thread With Couplings Or Sockets;
Plastic Caps And Steel Rings Can Be Provided If Possible
Surface Bared, Galvanized, Oiled, Color Paint, 3PE; Or Other Anti-corrosive Treatment
Technique Hot Rolled Or Cold Rolled ERW
Package Covered With Tarpaulin, Containers Or In Bulk

We deals in the following products of India, China, Taiwan and Korea Origin:-
ERW Steel Tube

We deals in the following products of India, China, Taiwan and Korea Origin:-
ERW Steel Pipes

ERW tubes, or Electric Resistance Welded tubes, are a type of steel tubing produced through a high-frequency welding process. These tubes are widely used in various industries due to their strength, durability, and cost-effectiveness. The manufacturing process involves passing a steel strip through a series of rollers, where it is formed into a cylindrical shape, and then welded longitudinally using electric resistance. This welding process ensures that the tube has a strong, uniform seam, making it suitable for a wide range of applications.

Key Features:

Material Composition: ERW tubes are typically made from mild steel, stainless steel, or galvanized steel, offering various grades to meet different strength and corrosion resistance requirements.
Manufacturing Process: The process of electric resistance welding uses heat generated by electrical resistance to bond the edges of the steel strip, creating a continuous tube. This process results in a smooth, clean weld seam that is often stronger than the base material itself.
Variety of Sizes: ERW tubes are available in a wide range of diameters and wall thicknesses. They can be customized to meet the specific requirements of industries like automotive, construction, and oil & gas.
Surface Finish: ERW tubes come with various surface finishes, such as mill finish, galvanized, or powder-coated, providing options for aesthetic appeal and enhanced corrosion resistance.
Strength and Durability: The ERW process ensures uniformity in strength and structural integrity, making the tubes ideal for high-pressure applications. The welded seam is highly resistant to cracking and fatigue.
Cost-Effectiveness: Compared to other types of welded or seamless tubes, ERW tubes are more affordable due to the efficient manufacturing process.
Applications:

Automotive Industry: Used in exhaust systems, chassis, and structural components.
Construction: Employed in structural frameworks, scaffolding, and fencing.
Oil & Gas: Ideal for pipelines, drill pipes, and other high-pressure applications.
Furniture Manufacturing: Used in the production of furniture frames and other industrial products.
Mechanical Engineering: Applied in various mechanical and hydraulic systems.
Benefits:

Precision and Consistency: The ERW process ensures that each tube is uniform in size and quality, minimizing defects.
Flexibility: Customization options for length, diameter, and wall thickness to suit specific needs.
Environmental Benefits: ERW tubes are recyclable, contributing to sustainability efforts in manufacturing.
Conclusion:

ERW tubes are a versatile and reliable choice for a variety of applications across different industries. Their high strength, cost-effectiveness, and customization options make them an excellent solution for projects requiring durable and high-quality steel tubing.

Product introduction

ERW Steel Pipe:
Pipe Type: ERW Pipe, ERW Steel Pipe, Electric Resistance Welded Pipe
Application: For Low Pressure Fluid Transmission, Machinery Manufacturing

Specification: OD: 21.3mm ~ 660mm

WT: 1mm ~ 17.5mm

LENGTH: 0.5mtr ~ 22mtr (5.8/6/11.8/12 meters, SRL, DRL)

Standard & Grade: API 5L PSL1/PSL2 Gr.A,Gr.B,X42,X46,X52,X56,X60,X65,X70
ASTM A53, ASTM A500, JIS G3466, ASTM A252, ASTM A178, AN/NZS 1163, AN/NZS 1074, EN10219-1, EN10217-1

End: Square Ends/Plain Ends (straight cut, saw cut, torch cut), Beveled/Threaded Ends

Surface: Bare, Lightly Oiled, Black/Red/Yellow Painting, Zinc/Anti-corrosive Coating

Packing: Bundled/In Bulk, Plastic Caps Plugged, Waterproof Paper Wrapped


Production Process for ERW steel pipe:

1.Uncoiling
2. Leveling --- 3. End cutting --- 4. End shearing welding --- 5. Supercoil accumulator --- 6. Edge cutting --- 7. Ultrasonic detection --- 8. Forming --- 9. Electric induction welding --- 10. Ultrasonic detection for weld seam --- 11. Medium frequency heat treatment --- 12. Air cooling --- 13. Water cooling --- 14. Sizing --- 15. Flying cutting --- 16. Flush-out --- 17. Cropping --- 18. Flattening testing --- 19. Straightening --- 20. End facing and bevelling --- 21. Hydrodynamic testing --- 22. Ultrasonic detection for weld seam --- 23. Ultrasonic detection for pipe end --- 24. Visual and dimensions inspection --- 25.Weighting and measuring --- 26. Marking --- 27. Coating --- 28. Pipe-end protection --- 29. Bending --- 30. Shipping



Specification of ERW steel pipe:

API 5L/ASTM A53 GR.B (Small Diameter ERW Steel Pipe)

Outside Diameter

Wall Thickness

Outside Diameter

Wall Thickness

(mm)

(mm)

(mm)

(mm)

33.4
(1")

2.1-2.4

133

3.0-5.75

2.5-3.25

6.0-7.75

3.5-4.0

8.0-10

42.3
(1.2")

2.1-2.4

139.7
(5)

3.0-4.5

2.5-3.5

4.75-5.75

3.75

6.0-7.75

4.0-5.0

8.0-10

48.3
(1.5")

2.1-2.4

152

3.0-4.5

2.5-3.25

4.75-5.75

3.5-3.75

6.0-7.75

4.0-4.25

8.0-10.0

4.5-6.0

159

3.25-6.75

60.3
(2)

3.0-4.0

6.8-7.75

4.25-4.75

8.0-10.0

5.0-5.75

10.0-11.75
73

3.0-4.75

165

3.0-6.0

4.8-5.25

6.25-7.0

5.5-7.0


76.1

Warehouse Storage

Shandong Jintuo Metal Materials Co., Ltd is located in Liaocheng City, the capital of steel tubes. It is a large enterprise specializing in the sales of carbon steel, stainless steel, galvanized color coated products, and copper and aluminum.Our company adopts a flexible business approach and management mechanism to provide good services to customers, while also considering the interests of the owner and the project, in order to ensure the quality of the project.

Material
ASTM A53, A106, A210, A252, A333

Grade
Q195 SS330,ST37,ST42
Q235 SS400,S235JR
Q345 S355JR,SS500,ST52

Hollow Section steel Tube is the general name for the steel pipe other than thecircular steel pipe. Such as square, rectangle, oval,elliptical, cone, trapezoidal, spiral, etc. Different steel pipe can more adapt to the particularity of use conditions, save metal and improve the labor productivity of parts manufacturing. It is widely used in aviation, automobile, shipbuilding, mining machinery, agricultural machinery, construction, light textile and boiler manufacturing. The methods of producing different pipes are cold pulling, electric welding, extrusion and hot rolling, etc. Compared with the round tube, the different tubes generally have a larger moment of inertia and cross section modulus, and have a large bending resistance and torsion resistance, which can greatly reduce the structural weight and save steel.

Circular steel pipe is both openings and have hollow concentric sections of steel larger than the surrounding. The specifications of steel pipes are indicated by appearance dimensions and inner diameter and wall thickness, with a wide range of dimensions from very small diameter capillary to large round steel pipe of several meters in diameter. Round steel pipes can be used for pipelines, thermal equipment, machinery industry, petroleum geological drilling, containers, chemical industry, and special uses. It can be divided into seamless, ERW, LSAW, SSAW steel pipe according to the production process.