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Help CenterCarbon Steel Seamless Pipe, ASTM A106 Gr.B, Standard Compliant, Free Cutting and Threading Service
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Hemaokang Steel (Shandong) Co., Ltd., a trusted supplier in the steel industry since 2025, proudly offers Carbon Steel Seamless Pipe, ASTM A106 Gr.B — a reliable solution for high-pressure and high-temperature applications. Our pipes are manufactured in strict compliance with international standards, ensuring superior performance in demanding environments. With free cutting and threading services, we streamline your project workflow, saving time and reducing fabrication costs. Choose Hemaokang for consistent quality, competitive pricing, and exceptional service that meets the needs of global industrial projects.
Our ASTM A106 Gr.B seamless pipes are crafted from premium carbon steel, fully traceable and tested to meet the rigorous requirements of the ASTM specification. Whether you need pipes for oil refineries, power plants, or structural applications, our inventory covers a wide dimension range with flexible customization options. The seamless manufacturing process eliminates weld seams, providing enhanced strength and leak-proof integrity — critical for safety in fluid and gas transport systems.
Key Features & Technical Specifications
- Seamless Construction — No longitudinal or spiral weld joints, ensuring uniform wall thickness and higher pressure tolerance.
- ASTM A106 Gr.B Compliance — Meets chemical composition and mechanical property requirements for high-temperature service.
- Wide Size Range — Available from 1/2" NPS to 24" NPS, with schedules SCH20, SCH40, SCH80, and SCH160 (other sizes available upon request).
- Free Cutting & Threading — We provide precision cutting to your specified lengths and NPT threading on both ends, reducing secondary processing costs.
- Surface Options — Black painting, varnish coating, anti-rust oil, or hot-dip galvanized finish to suit environmental requirements.
- Third-Party Testing — Independent inspection reports (e.g., chemical analysis, hydrostatic test, flattening test) are available for traceability.
| Parameter | Requirement | Typical Value (Example) |
|---|---|---|
| Tensile Strength, min | 60,000 psi (415 MPa) | 62,000 - 75,000 psi |
| Yield Strength, min | 35,000 psi (240 MPa) | 38,000 - 50,000 psi |
| Elongation in 2" (50 mm) | 30% min (for longitudinal strip) | 32 - 40% |
| Hydrostatic Test | Pass according to ASTM A106 | Guaranteed |
Customer Benefits
- Cost-Effective Solutions — Our free cutting and threading service eliminates the need for you to invest in specialized equipment or outsource fabrication.
- Reduced Lead Time — With a large stock and efficient production, we ensure fast delivery — typically within 15–30 days after order confirmation.
- Consistent Quality — Each pipe is manufactured under ISO 9001-certified processes, with batch traceability and test reports provided.
- Global Expertise — We export to over 10 regions including North America, Europe, Asia, and Africa, understanding diverse international standards and logistics.
Trust & Reliability
Since our establishment in 2025, Hemaokang Steel has achieved an annual export value of US$50 Million – US$100 Million, backed by a dedicated team of 51–100 employees. We are ISO 9001 certified, reflecting our commitment to quality management. Our main markets span all continents, and we have built long-term partnerships with clients in oil & gas, construction, and heavy machinery. Every order is supported by professional sales engineers and responsive after-sales service. Contact us today for competitive pricing and reliable supply of ASTM A106 Gr.B seamless pipes with free cutting and threading.
Frequently Asked Questions (FAQ)
Q1: What is the difference between ASTM A106 Gr.B and A53 Gr.B seamless pipe?
A: A106 Gr.B is specifically designed for high-temperature service (up to 750°F/400°C), with stricter chemical composition and more rigorous testing (e.g., hydrostatic, bend, and flattening tests). A53 Gr.B is for general structural and low-pressure applications. For hot fluid transport, A106 Gr.B is the preferred choice.
Q2: Do you offer custom lengths and threading?
A: Yes, we provide free cutting and threading services. You can request lengths from 0.5m to 12m (or longer by negotiation) and NPT threading on either or both ends. Please specify your requirements in the inquiry.
Q3: What wall thickness schedules are available?
A: We supply SCH20, SCH40, SCH80, and SCH160 as standard. Other schedules (e.g., SCH10, SCHXS) are available upon request. Please provide the required thickness or schedule in your order.
Q4: Can you provide third-party inspection reports?
A: Absolutely. We can arrange inspection by SGS, BV, or other third-party agencies at your cost. Our in-house testing includes chemical analysis, tensile test, hardness test, flattening, and hydrostatic test reports.
Q5: What is the typical delivery time for large orders?
A: For standard sizes and schedules, delivery is usually 15–20 days after deposit. For non-standard dimensions or special surface treatments, lead time may extend to 25–35 days. We always confirm the earliest shipment date in the proforma invoice.
Q6: Do you export to North America and Europe?
A: Yes, we are experienced in exporting to North America, Western Europe, and other regions. Our pipes comply with ASTM standards and can be marked with the required specifications. We also support multiple packaging options (bundled, wooden cases, etc.) to protect the pipes during sea freight.
Q7: What is your minimum order quantity (MOQ)?
A: Our MOQ is generally 1 ton per size for seamless pipes. For smaller quantities, please consult our sales team — we may accommodate sample orders or mixed lots at a slightly higher price.
Q8: Is there any warranty on your pipes?
A: We provide a quality assurance certificate for every shipment. If any material defects are found within the warranty period (typically 12 months from shipment), we will replace the affected pipes or issue a refund, subject to our terms and conditions.
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