As a professional api 5l b erw steel pipe supplier in China, Yuan Steel offers high-quality api 5l erw steel pipe for oil, gas, water transmission, and structural applications. Our api 5l b erw pipe is manufactured to strict API 5L standards, ensuring reliable performance and excellent weldability at a cost-effective price point.
Api 5l gr b erw pipes (Grade B / L245) are the most commonly specified line pipes in the industry, offering a perfect balance of strength, durability, and affordability for medium to low-pressure projects.
Api 5l erw steel pipe is manufactured by forming steel coils into a cylindrical shape and welding the seam using high-frequency electric resistance welding. This process creates a strong, reliable bond without filler metals. Our api 5l b erw pipe meets all chemical and mechanical requirements of the API 5L specification, ensuring consistent quality for pipeline and structural use.
API 5L Grade B ERW Steel Pipe Chemical Composition & Mechanical Property
API 5L Pipe Grade | Chemical Composition | Mechanical Properties | ||||
| C (Max) | Mn(Max) | P(Max) | S(Max) | Yield Strength | Tensile Strength | |
| MPa (psi) | MPa (psi) | |||||
| min | min | |||||
| API 5L Seamless Pipe | ||||||
| L245 or B | 0.28 | 1.2 | 0.03 | 0.03 | 245 (35.500) | 415 (60.200) |
| L290 or X42 | 0.28 | 1.3 | 0.03 | 0.03 | 290 (42.100) | 415 (60.200) |
| L320 or X46 | 0.28 | 1.4 | 0.03 | 0.03 | 320 (46.400) | 435 (63.100) |
| L360 or X52 | 0.28 | 1.4 | 0.03 | 0.03 | 360 (52.200) | 460 (66.700) |
| L390 or X56 | 0.28 | 1.4 | 0.03 | 0.03 | 390 (56.600) | 490 (71.100) |
| L415 or X60 | 0.28 | 1.40 e | 0.03 | 0.03 | 415 (60.200) | 520 (75.400) |
| L450 or X65 | 0.28 | 1.40 e | 0.03 | 0.03 | 450 (65.300) | 535 (77.600) |
| L485 or X70 | 0.28 | 1.40 e | 0.03 | 0.03 | 485 (70.300) | 570 (82.700) |
| API 5L Welded Pipe | ||||||
| L245 or B | 0.26 | 1.2 | 0.03 | 0.03 | 245 (35.500) | 415 (60.200) |
| L290 or X42 | 0.26 | 1.3 | 0.03 | 0.03 | 290 (42.100) | 415 (60.200) |
| L320 or X46 | 0.26 | 1.4 | 0.03 | 0.03 | 320 (46.400) | 435 (63.100) |
| L360 or X52 | 0.26 | 1.4 | 0.03 | 0.03 | 360 (52.200) | 460 (66.700) |
| L390 or X56 | 0.26 | 1.4 | 0.03 | 0.03 | 390 (56.600) | 490 (71.100) |
| L415 or X60 | 0.26 | 1.4 | 0.03 | 0.03 | 415 (60.200) | 520 (75.400) |
| L450 or X65 | 0.26 | 1.45 | 0.03 | 0.03 | 450 (65.300) | 535 (77.600) |
| L485 or X70 | 0.26 | 1.65 | 0.03 | 0.03 | 485 (70.300) | 570 (82.700) |
Ends design:
1) Bevel the welding ends to an angle of 30°, +5°, -0°, with a root face of 1/16", +/- 1/32". The bevel shall form a V groove with an included angle of 60°+10/-0. The root opening shall be 1/16", +/- 1/32" according to ANSI B16.25.
2) Plain or straight ends.
3) Threaded ends with coupling or without coupling according to API Spec. 5B.
Package:
Black painted or bare surface, hexagonal bundled with steel strips if the pipe diameter is equal or below 323.9mm, loose packing if the pipe diameter larger than 323.9mm.
Shipment:
Land transportation by truck or train, sea transportation by container ship or bulk ship.
Application:
Crude oil Pipelines, Natural Gas Pipelines, Jet Fuel Pipelines, Water and Sewage Pipelines, Mineral Slurry Pipelines, Submarine Pipelines, Onshore and Offshore Pipelines, Line Pipe Pile.
Product Details of API 5L Grade BSteel ERW Tube
Pipe End: square ends (straight cut, saw cut, and torch cut). or beveled for welding, beveled,
Surface: Lightly oiled, Hot dip galvanized, Electro galvanized, Black, Bare, Varnish coating/Anti rust oil, Protective Coatings (Coal Tar Epoxy, Fusion Bond Epoxy, 3-layers PE)
Packing: Plastic plugs in both ends, Hexagonal bundles of max. 2,000kg with several steel strips, Two tags on each bundle, Wrapped in waterproof paper, PVC sleeve, and sackcloth with several steel strips, Plastic caps.
Test: Chemical Component Analysis, Mechanical Properties (Ultimate tensile strength, Yield strength, Elongation), Technical Properties (Flattening Test, Bending Test, Hardness Test, Impact Test), Exterior Size Inspection, Hydrostatic Test, NDT TEST ( ET TEST, RT TEST, UT TEST)
For Steel ERW Tube For ERW Casing
For ERW Structure Tube
For High pressure and high temperature
API 5L Grade B Steel ERW Tube Size
Out Diameter: 21.3-660mm
Wall Thickness: 1.0-20mm
Length: 3-12m, or according to customer's requirement
End: Plain End, Beveled End, Treaded
Standard
ASTM 5L, ASTM A53, ASTM A178, ASTM A500/501, ASTM A691, ASTM A252, ASTM A672, EN 10217
Steel Grade:
API 5L: PSL1/PSL2 Gr.A, Gr.B, X42, X46, X52, X56, X60, X65, X70
ASTM A53: GR.A, GR.B, ASTM A500 JIS G3466
EN: S275, S275JR, S355JRH, S355J2H, EN10219-1, EN10217-1
GB: Q195, Q215, Q235, Q345, L175, L210, L245, L320, L360-L555
Api 5l b erw pipe offers significant cost savings compared to seamless pipe, making it ideal for budget-conscious projects without compromising quality.
api 5l erw steel pipes are made in a continuous process that allows for fast production speeds, ideal for large projects and high-volume needs.
The thickness of the API 5L Grade B erw steel pipe used determines the wall thickness, leading to a more uniform and precise result compared to some other pipe types.
API 5L Grade B erw steel pipes have a smooth interior and exterior, which can be beneficial for applications where surface quality is important.
api 5l erw steel pipes can have thinner walls than seamless pipes while maintaining good strength, which can lead to lighter and easier-to-handle products.
The continuous manufacturing process results in tight tolerances, ensuring dimensional accuracy.
API 5L Grade B erw steel pipe can be adjusted to produce a wide range of diameters and wall thicknesses, providing flexibility for different applications.
1. Proven Product Excellence
OurAPI 5L Grade B erw steel pipe strictly complies with standards, delivering superior strength and pressure capacity while maintaining excellent toughness in low-temperature environments. The enhanced corrosion resistance ensures reliable performance even in demanding service conditions.
2. Customized Technical Solutions
We offer comprehensive customization including OD, WT, and length adjustments, supplemented with specialized end finishing and anti-corrosion coatings. This technical flexibility makes our API 5L Grade B Steel ERW Tube ideal for various project specifications.
3. Rigorous Quality Assurance
Implementing strict quality control from material selection to final inspection, each Steel ERW Tube undergoes multiple NDT tests and required testing, guaranteeing consistent compliance with industry standards and project requirements.
4. Optimized Cost Efficiency
Through vertical integration and streamlined supply chain management, we maintain competitive pricing while ensuring product quality, providing clients with superior value line pipe solutions.
5. Professional Technical Support
Our engineering team provides end-to-end technical services, from product selection to installation guidance, ensuring optimal performance of every Steel ERW Tube in your operations.
Applications of API 5L Grade B ERW Steel Pipe
As a trusted api 5l b erw steel pipe supplier, Yuan Steel provides high-quality api 5l erw steel pipe for diverse industries worldwide. Our api 5l gr b erw pipes deliver reliable performance across multiple applications, while we also supply api 5l x42 steel pipe, api 5l x46 erw pipe, and api 5l x52 erw pipe for projects requiring higher strength.
Oil & Gas Industry
Api 5l b erw pipe is the preferred choice for low-pressure oil gathering lines, where cost-effectiveness and reliable weldability are essential. Our api 5l erw steel pipe is widely used in natural gas distribution networks, providing durable service for municipal and industrial gas supply. Refinery utility lines (air, water, steam) frequently specify api 5l gr b erw pipes for their excellent corrosion resistance and long service life.
For medium-pressure applications, we recommend api 5l x42 steel pipe for gathering systems, while api 5l x46 erw pipe and api 5l x52 erw pipe are available for higher-pressure transmission lines.
Water Infrastructure
Potable water transmission mains rely on api 5l b erw pipe for its smooth internal surface, which minimizes flow friction and reduces pumping costs. Irrigation systems benefit from the dimensional accuracy of our api 5l erw steel pipe, ensuring leak-free joints and efficient water distribution. Sewage and drainage pipelines specify api 5l gr b erw pipes for their durability and resistance to ground movement.
As a leading api 5l b erw steel pipe supplier, we ensure all water infrastructure products meet strict hydrostatic testing requirements.
Construction & Structural
Piling foundations (pipe piles) utilize api 5l b erw pipe for its uniform wall thickness and high strength-to-weight ratio, enabling deeper driving depths and greater load capacity. Structural supports and bracing in commercial and industrial buildings frequently employ api 5l erw steel pipe for its dimensional consistency and ease of fabrication. Fencing and agricultural applications choose api 5l gr b erw pipes for their affordability and long-term durability.
For heavy-load structural projects, we also supply api 5l x42 steel pipe and api 5l x52 erw pipe with enhanced mechanical properties.
Industrial Applications
Compressed air lines in manufacturing facilities specify api 5l b erw pipe for its smooth bore and leak-free welded construction. Fire protection systems (sprinkler mains) rely on the pressure rating and reliability of our api 5l erw steel pipe. Slurry transport in mining operations can utilize api 5l gr b erw pipes for low-abrasion applications, while api 5l x46 erw pipe offers improved wear resistance for more demanding conditions.
| Product: | API 5L Grade B ERW (Electric Resistance Welded) Steel Pipe, ERW Carbon Steel Pipe |
| Application: | Used for Oil/Gas/Water transmission,Machinery Manufacturing |
| Size: | OD: 21.3-660mm |
| WT: 1.0-20mm | |
| LENGTH: 3-12m, or according to customer's requirement | |
| Pipe Standard: | API 5L PSL1/PSL2 Gr.A, Gr.B, X42, X46, X52, X56, X60, X65, X70 |
| ASTM A53: GR.A, GR.B, ASTM A500 JIS G3466 | |
| ASTM A252 ASTM A178 | |
| AN/NZS 1163 AN/NZS 1074 | |
| EN10219-1 EN10217-1, S275, S275JR, S355JRH, S355J2H |
Hainan Yuan Steel Pipe Supply Chain Co.,Ltd is one of the leading API 5L Grade B Steel ERW Tube distributors.
If you want to buy or import best high-quality Steel ERW Tube, please kindly feel free to contact us.
