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Help CenterStandard Compliant Carbon Steel Seamless Pipe ASTM A106 Gr.B Mill Test Certificate Included
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Welcome to Hemaokang Steel (Shandong) Co., Ltd. – your trusted partner for high-quality steel products. Since our establishment in 2025, we have rapidly grown into a global supplier with an annual export value ranging from US$50 million to US$100 million, serving markets across North America, South America, Europe, Asia, Africa, and Oceania. Our Standard Compliant Carbon Steel Seamless Pipe ASTM A106 Gr.B is manufactured to meet the rigorous demands of the oil & gas, petrochemical, and power generation industries. Each pipe comes with a comprehensive Mill Test Certificate, ensuring full traceability and compliance with international standards.
Our ASTM A106 Gr.B seamless pipes are produced from premium carbon steel, offering excellent strength, ductility, and weldability. They are designed for high-temperature and high-pressure applications, making them ideal for conveying fluids and gases in critical environments. With ISO9001 certification, our quality management system ensures consistent product performance and reliability.
Key Features and Benefits:
- Full Compliance: Manufactured strictly according to ASTM A106 specification, Grade B, ensuring dimensional accuracy and mechanical properties.
- Mill Test Certificate Included: Every pipe is accompanied by a detailed MTC, providing chemical composition, tensile strength, yield strength, and elongation data for quality assurance.
- Superior Strength: Minimum yield strength of 240 MPa (35,000 psi) and minimum tensile strength of 415 MPa (60,000 psi) for reliable performance under pressure.
- Excellent Weldability: Carbon content controlled within 0.30% max, ensuring easy welding and fabrication for complex piping systems.
- Corrosion Resistance: Suitable for use in environments with moderate corrosion risks; optional anti-corrosion coatings available upon request.
- Customizable Sizes: Available in a wide range of outer diameters from 1/2 inch to 24 inches, with wall thicknesses from Schedule 10 to Schedule 160, to meet your specific project requirements.
- Global Reach: Our extensive logistics network enables timely delivery to any major port worldwide, with efficient packaging and handling.
Technical Specifications (Typical Values):
| Parameter | Value |
|---|---|
| Standard | ASTM A106 / ASME SA106 |
| Grade | Gr.B |
| Tensile Strength (min) | 415 MPa (60,000 psi) |
| Yield Strength (min) | 240 MPa (35,000 psi) |
| Carbon Content (max) | 0.30% |
| Manganese Content | 0.29% – 1.06% |
| Phosphorus (max) | 0.035% |
| Sulfur (max) | 0.035% |
| Dimensions | OD: 1/2" – 24" (customizable); Wall: Sch 10 – Sch 160 |
| Length | Random mill lengths (5-7 m) or fixed lengths as per request |
Why Choose Hemaokang Steel? With a team of 51-100 skilled professionals and a strong commitment to quality, we have established a reliable supply chain that serves customers in over 15 regions worldwide. Our ISO9001-certified production processes ensure that every pipe meets or exceeds the ASTM A106 Gr.B standard. The inclusion of a Mill Test Certificate with every order provides you with the confidence of full material traceability and compliance verification. We also offer value-added services such as beveling, threading, and custom packaging to streamline your project execution.
We understand that the success of your pipeline project depends on the quality of the materials you choose. That is why we invest in rigorous testing – including hydrostatic testing, non-destructive examination, and dimensional inspection – to guarantee defect-free products. Our annual export volume of US$50-100 million reflects the trust our global customers place in us. Contact us today to discuss your specific requirements and receive a competitive quotation.
Frequently Asked Questions (FAQ):
-
Q: What is the difference between ASTM A106 Gr.B and API 5L Gr.B?
A: ASTM A106 Gr.B is specifically designed for high-temperature service, while API 5L Gr.B is for line pipe in oil and gas transportation. Both share similar mechanical properties, but A106 has stricter carbon content limits for better weldability at elevated temperatures. -
Q: Is the Mill Test Certificate provided for every pipe?
A: Yes, a Mill Test Certificate (MTC) is included with each shipment, detailing chemical composition, mechanical properties, and heat number for full traceability. -
Q: Can you provide custom lengths or special end preparations?
A: Absolutely. We offer custom lengths, beveling, threading, and coupling options upon request. Please specify your requirements when placing an order. -
Q: What is the typical lead time for orders?
A: For standard sizes, lead time is typically 15-30 days from order confirmation, depending on quantity. Custom sizes may require additional time. -
Q: Do you offer hydrostatic testing or NDT?
A: Yes, each pipe is hydrostatically tested according to ASTM A106 requirements. Additional non-destructive testing (UT, MPI) can be arranged at extra cost. -
Q: What are the payment terms?
A: We accept T/T, L/C at sight, and other negotiable terms based on the order value and customer history. -
Q: Can you supply pipes for high-pressure applications?
A: Yes, ASTM A106 Gr.B is suitable for high-pressure service. Our pipes are available in various schedules to meet pressure ratings. We recommend consulting our technical team for specific application requirements. -
Q: How do you ensure the pipes are free from defects?
A: Our ISO9001 quality system includes in-process inspections, dimensional checks, and final testing per ASTM standards. Each pipe is visually inspected and tested before shipment.
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