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Help CenterASTM A106 GR.B Seamless Carbon Steel Pipe SCH40 6m Length for High Pressure Pipeline
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Hemaokang Steel (Shandong) Co., Ltd. is proud to offer premium ASTM A106 GR.B Seamless Carbon Steel Pipe SCH40 6m Length, specifically engineered for high-pressure pipeline applications. As a trusted manufacturer with an annual export value of US$50–100 million and ISO9001 certification, we ensure every pipe meets stringent quality standards. Our seamless carbon steel pipes deliver exceptional strength, durability, and reliability, making them the ideal choice for demanding environments such as oil and gas transmission, power plants, and industrial piping systems.
This product is manufactured using advanced cold-drawing or hot-rolling processes, resulting in a uniform structure and superior mechanical properties. The SCH40 wall thickness provides an optimal balance between pressure capacity and weight, while the 6-meter length simplifies installation and reduces joint requirements. Whether you need pipes for refineries, chemical plants, or boiler systems, our ASTM A106 GR.B seamless pipes offer consistent performance under extreme temperatures and pressures.
Product Features & Technical Specifications
- Material Grade: ASTM A106 GR.B – suitable for high-temperature service.
- Wall Thickness: SCH40 (Schedule 40) – standard wall for medium-to-high pressure.
- Length: 6 meters (custom lengths available upon request).
- End Finish: Plain end, beveled end, or threaded (optional).
- Surface Treatment: Black painting, varnish, galvanized, or as per customer requirement.
- Testing: Hydrostatic test, eddy current test, ultrasonic test (optional).
- Applications: High-pressure pipelines, steam lines, gas transmission, water treatment, structural use.
| Parameter | Value |
|---|---|
| Standard | ASTM A106 |
| Grade | GR.B |
| Diameter Range | 1/2" to 24" (custom sizes available) |
| Wall Thickness | SCH40 (approx. 3.0mm to 12.7mm depending on OD) |
| Length | 6m (standard), 12m or custom available |
| Tensile Strength | ≥ 415 MPa |
| Yield Strength | ≥ 240 MPa |
| Certification | ISO9001, Mill Test Certificate |
Key Advantages for Your Project
- High Pressure Resistance: Seamless construction eliminates weld seams, ensuring uniform strength and resistance to internal pressure surges.
- Temperature Capability: Suitable for temperatures up to 430°C (800°F), making it ideal for steam and hot oil lines.
- Corrosion Protection: Optional galvanized or coated surfaces extend service life in corrosive environments.
- Cost Efficiency: SCH40 offers a standard thickness that balances material cost and performance, reducing overall project expenses.
- Easy Installation: Precise 6m lengths and beveled ends (if required) simplify welding and alignment, saving labor time.
Our pipes undergo rigorous quality control at every stage: from raw material inspection to final hydrostatic testing. Each batch is accompanied by a mill test certificate, ensuring full traceability and compliance with international standards. Customers in North America, South America, Europe, and Asia have repeatedly chosen Hemaokang Steel for reliable supply.
Trust & Reliability
Hemaokang Steel (Shandong) Co., Ltd., established in 2025, has rapidly grown into a global exporter with an annual export value of US$50 million to US$100 million. Our team of 51–100 skilled professionals is dedicated to delivering high-quality steel products. With ISO9001 certification, we maintain a comprehensive quality management system. Our main markets span across North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, the Middle East, and more. We are committed to providing competitive pricing, prompt delivery, and exceptional customer service.
By choosing our ASTM A106 GR.B seamless carbon steel pipe, you are investing in a product that meets the highest industry standards. Contact us today for a quote or technical consultation. Let us support your next high-pressure pipeline project with reliable, cost-effective solutions.
Frequently Asked Questions (FAQ)
- Q: What is the difference between ASTM A106 GR.B and API 5L GR.B? A: ASTM A106 is primarily for high-temperature service, while API 5L is for line pipe. A106 GR.B has stricter chemical and mechanical requirements for elevated temperatures. Both are seamless, but we recommend A106 for high-pressure/thermal applications.
- Q: Can you provide pipes with other wall thicknesses or lengths? A: Yes, we offer customized schedules (SCH30, SCH80, etc.) and lengths (3m, 12m, or custom). Please specify your requirements for a tailored solution.
- Q: What surface treatments are available? A: Standard options include black painting, varnish, oiled, and galvanized (hot-dip or electro). We can also apply anti-corrosion coatings like FBE or 3LPE upon request.
- Q: Do you provide third-party inspection services? A: Yes, we can arrange inspections by SGS, BV, or other accredited agencies. The cost is negotiable based on the order volume.
- Q: What is the minimum order quantity (MOQ)? A: Typically, our MOQ is 10 tons for standard sizes. For smaller quantities, please contact us to discuss availability.
- Q: How long does the delivery take? A: For 6m SCH40 pipes in stock, we can ship within 7–15 days after order confirmation. For customized orders, lead time is 20–30 days depending on quantity.
- Q: Can you supply pipe fittings and flanges for the same project? A: Yes, we offer a complete range of carbon steel fittings, flanges, and elbows. This simplifies procurement and ensures compatibility.
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