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Help CenterCarbon Steel Pipe Supplier With Factory Direct Price and Technical Support API 5L GR.B
Product Spotlights
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Welcome to Hemaokang Steel (Shandong) Co., Ltd. – your reliable partner for high-quality Carbon Steel Pipe API 5L GR.B. As a professional supplier with factory-direct pricing and dedicated technical support, we ensure that every pipe meets the strictest industry standards. Our company, established in 2025, has rapidly grown to an annual export value of US$50-100 million, serving markets across North America, South America, Europe, Asia, Africa, and Oceania. With a team of 51-100 experienced employees and ISO9001 certification, we are committed to delivering superior products and exceptional service.
Product Features & Technical Specifications
Our API 5L GR.B carbon steel pipes are designed for demanding applications in oil & gas, water transmission, and structural projects. Key features include:
- High Strength & Durability – Manufactured from premium carbon steel, the pipes offer excellent tensile strength and impact resistance, ensuring long service life even in harsh environments.
- Compliance with API 5L Standard – Grade GR.B meets the requirements for line pipe, suitable for both offshore and onshore pipelines.
- Wide Size Range – Outer diameter from 1/2 inch to 48 inches, wall thickness from SCH 20 to SCH 160, and lengths from 5.8m to 12m, with customization available.
- Versatile Surface Treatment – Options include black paint, varnish, oiled, or galvanized coating to protect against corrosion.
- Multiple End Finishes – Plain end, beveled end, or threaded connections to suit different installation methods.
- Factory Direct Pricing – By eliminating middlemen, we offer competitive prices without compromising quality.
- Technical Support – Our experienced engineers provide guidance on product selection, installation, and maintenance.
| Parameter | Specification |
|---|---|
| Standard | API 5L |
| Grade | GR.B |
| Material | Carbon Steel |
| Outer Diameter | 1/2" - 48" (customizable) |
| Wall Thickness | SCH 20 - SCH 160 |
| Length | 5.8m - 12m (custom) |
| Surface Treatment | Black paint, varnish, oiled, galvanized (optional) |
| End Finish | Plain end, beveled, threaded |
| Packing | Bundles with plastic caps, or as per customer request |
Manufacturing & Quality Control
Our pipes are produced using advanced steelmaking and rolling processes, followed by strict non-destructive testing (NDT). Each pipe undergoes hydrostatic testing, ultrasonic inspection, and dimensional checks to ensure compliance with API 5L requirements. Our ISO9001 quality management system guarantees consistent quality from raw material to finished product.
Why Choose Hemaokang Steel?
- Factory Direct Pricing – Save up to 15-20% compared to distributors, thanks to our integrated production and sales.
- Customizable Options – We can tailor pipe dimensions, coatings, and end finishes to match your project requirements.
- Technical Support – Our team of engineers provides free consultation on material selection, pipe laying, and welding techniques.
- Global Reach – With an annual export value of US$50-100 million, we have successfully shipped to over 50 countries.
- Reliable Lead Times – We maintain a large inventory and efficient logistics to ensure timely delivery.
Trust & Credibility
Hemaokang Steel (Shandong) Co., Ltd. is a young but rapidly growing enterprise with a strong focus on quality and customer satisfaction. Our ISO9001 certification reflects our commitment to continuous improvement. We have built long-term partnerships with clients in North America, South America, Europe, and Asia. Our dedicated after-sales team ensures that any issues are resolved promptly. With a professional workforce of 51-100 employees, we are capable of handling large-scale orders and providing personalized service.
Contact us today to request a quotation or discuss your specific needs. We are confident that our API 5L GR.B carbon steel pipes, combined with factory-direct prices and expert technical support, will exceed your expectations.
Frequently Asked Questions
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What is the difference between API 5L GR.B and other grades?
API 5L GR.B is a standard grade for carbon steel line pipe, offering good weldability and strength. It is commonly used for oil and gas pipelines, water transmission, and structural applications. -
Can you provide custom lengths and diameters?
Yes, we offer customizable outer diameters from 1/2" to 48", wall thicknesses from SCH 20 to SCH 160, and lengths up to 12m. Contact us for non-standard sizes. -
What surface treatments are available?
We offer black paint, varnish, oiled, and hot-dip galvanized coating. The choice depends on your corrosion protection requirements. -
Do you provide technical support for installation?
Yes, our technical team can provide guidance on welding procedures, pipeline design, and material selection. We also offer installation manuals upon request. -
What is your minimum order quantity (MOQ)?
Our MOQ varies by size and specification. Typically, we accept orders from 10 tons, but smaller quantities can be discussed for trial orders. -
How do you ensure quality control?
Every pipe is tested hydrostatically, inspected by ultrasonic, and checked for dimensions. We also provide mill test certificates with each shipment. -
What are your payment terms?
We accept T/T, L/C, and other commonly used terms. For large orders, flexible payment options can be negotiated. -
Can you ship to my country?
We ship worldwide. Our logistics partners have experience with customs clearance in North America, Europe, South America, Africa, Asia, and Oceania.
Contact Hemaokang Steel (Shandong) Co., Ltd. – Your trusted partner for high-quality carbon steel pipes. We look forward to building a long-term business relationship with you!
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