ERW Carbon Steel Pipe is a widely used welded steel pipe manufactured through the electric resistance welding process. It offers stable quality, high production efficiency, and cost-effective performance, making it suitable for construction, water supply systems, oil and gas transportation, and industrial pipelines.
Material Type :
ERW Carbon SteelOuter Diameter Range :
10mm – 610mmWall Thickness Range :
1.0mm – 20mmCustomizable :
YesOrder(MOQ) :
2TSpecifications
ERW carbon steel pipes are produced using the Electric Resistance Welding (ERW) process, where steel strips are continuously formed into a cylindrical shape and welded along the longitudinal seam using high-frequency electrical resistance. This advanced manufacturing method ensures a strong weld joint and consistent product quality.
These pipes feature uniform wall thickness, smooth internal and external surfaces, and reliable mechanical strength. ERW carbon steel pipes also provide good weldability and dimensional accuracy, making them suitable for a wide range of engineering and structural applications.
ERW carbon steel pipes are commonly manufactured from materials such as carbon steel coils or hot rolled steel strips, and they can be further processed through cutting, threading, coating, or galvanizing to meet different industrial requirements.
Due to their cost efficiency and dependable performance, ERW carbon steel pipes are widely used in construction structures, water and gas transportation systems, oil and gas pipelines, mechanical engineering, and infrastructure projects. Their versatility makes them one of the most commonly used welded steel pipes in industrial applications.
ERW Carbon Steel Pipe is one of our core strength products. We maintain substantial inventory to ensure rapid delivery and can also customize extra-large diameter seamless pipes according to your specific requirements. Additionally, we provide comprehensive services including spectroscopic analysis, mechanical property testing, pressure testing, and non-destructive testing (NDT).
| Grade | Grade Equivalent | Mechanical Properties | Size Range | Chemical Composition (Typical, %) |
|---|---|---|---|---|
| A36 ERW | ASTM A36 / EN S235JR | Tensile 400–550 MPa
|
OD 10–630 mm
|
C≤0.25
|
| A106 Gr.B ERW | ASTM A106 Grade B | Tensile ≥415 MPa
|
OD 10–630 mm
|
C≤0.30
|
| API 5L Gr.B ERW | API 5L Grade B | Tensile ≥414 MPa
|
OD 10–630 mm
|
C≤0.28
|
| Q235B ERW | GB Q235B / EN S235JR | Tensile 375–500 MPa
|
OD 10–630 mm
|
C≤0.22
|
| Q355B ERW | GB Q355B / EN S355JR | Tensile 470–630 MPa
|
OD 10–630 mm
|
C≤0.20
|
| ST37-2 ERW | DIN 17100 / EN S235JR | Tensile ≥340 MPa
|
OD 10–630 mm
|
C≤0.17
|
| ST52-3 ERW | DIN 17100 / EN S355JR | Tensile ≥490 MPa
|
OD 10–630 mm
|
C≤0.20
|
|
Note: If you do not find a ERW Carbon Steel Pipe that meets your requirements or is suitable for your customer’s project, please contact our manager sales consultant (Email: stsalesman4@stmetal001.com) and send us your specifications and technical parameter files to obtain Customized quotation plan. |
Video
Factory
FAQs
Q: What types and standards of carbon steel do you mainly supply?
A: We mainly supply a wide range of carbon steel products including seamless and welded steel pipes, steel plates, coils, and bars. Common carbon steel grades include A36, A106, A53, API 5L, and S355, which are widely used in construction, machinery, and pipeline engineering. All carbon steel products comply with international standards such as ASTM, API, EN, and JIS. We can also provide corresponding material test certificates (MTC) and support customized specifications according to customer project requirements.
Q: Can you provide special specifications or non-standard customization? For example, extra-wide plates or pipes with specific wall thicknesses?
A: Of course. One of our advantages is our flexible customization capabilities. We can provide customized size cutting, special thicknesses, and special surface treatments (such as 2B, BA, No.4 brushed finish, mirror finish) based on your drawings or requirements. Whether it's a small trial order or a large-volume purchase, we can meet your needs.
Q: How do you guarantee the quality and consistency of materials? Do you have quality certifications?
A: Quality is our lifeline. We use direct supply from large steel mills to ensure material traceability. Each shipment comes with a Material Quality Certificate (MTC). We have our own quality control team that conducts random checks on material composition, dimensional tolerances, surface finish, and mechanical properties. Our factory is also ISO 9001:2015 quality management system certified.
Q: What are your delivery times and logistics solutions for overseas customers?
A: For standard-specification in-stock products, we can complete preparation and shipment within 7-14 days. Delivery times for customized products will be determined through negotiation based on the specific process. We have established international logistics partners who can arrange full container load (FCL), less-than-container load (LCL), or air freight according to your needs, and provide various trade terms such as EXW, FOB, CIF, and DDP, with door-to-door service.
Q: As a new customer, how do I begin cooperation? Can you provide samples for testing?
A: The cooperation process is very smooth: 1) You provide specific requirements (brand, specifications, quantity, standards); 2) We provide a quotation and technical advice; 3) After confirmation, we arrange the contract and payment; 4) Production/pickup and quality inspection; 5) Shipment and provision of documentation. We encourage sample testing. For serious customers, we can provide small-size samples to ensure that the materials fully meet your processing and application requirements.
|
Note: If you do not find a ERW Carbon Steel Pipe that meets your requirements or is suitable for your customer’s project, please contact our manager sales consultant (Email: stsalesman4@stmetal001.com) and send us your specifications and technical parameter files to obtain Customized quotation plan. |
ERW Carbon Steel Pipe is a widely used welded steel pipe manufactured through the electric resistance welding process. It offers stable quality, high production efficiency, and cost-effective performance, making it suitable for construction, water supply systems, oil and gas transportation, and industrial pipelines.
Details
Precision Laser Welded Steel Pipe is a high-quality welded steel pipe manufactured using advanced laser welding technology to achieve excellent precision and superior weld quality. It is widely used in automotive manufacturing, precision machinery, structural components, and industrial equipment that require high dimensional accuracy.
Details
Spiral Submerged Arc Welded (SSAW / HSAW) Pipe is a large-diameter welded steel pipe manufactured using spiral forming and submerged arc welding technology. It is widely used in oil and gas transportation, water supply systems, structural engineering, and large-scale pipeline projects.
Details
LSAW Longitudinal Welded Steel Pipe is a high-strength welded steel pipe manufactured using longitudinal submerged arc welding technology. It is widely used in oil and gas pipelines, structural engineering, offshore projects, and large-scale infrastructure construction.
Details
Request A Quote
Scan to Wechat/Whatsapp :
