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Help CenterASTM A106 Grade B Carbon Steel Pipe, Sch40, 6" Nominal Diameter, Beveled Ends for Welding
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At Hemaokang Steel (Shandong) Co., Ltd., we are proud to offer our premium ASTM A106 Grade B Carbon Steel Pipe, Sch40, 6" Nominal Diameter, Beveled Ends for Welding. As a newly established yet rapidly growing exporter with annual export values reaching US$50 million to US$100 million, we have built a reputation for delivering high-quality steel products that meet the rigorous demands of the global market. Our ISO9001 certification underscores our commitment to consistent quality control and customer satisfaction. This particular pipe is engineered for high-temperature and high-pressure applications, making it an ideal choice for critical welding projects in industries such as oil and gas, petrochemical, and power generation.
The ASTM A106 Grade B specification is a standard for seamless carbon steel pipe intended for high-temperature service. The Sch40 wall thickness provides a robust balance between strength and weight, while the 6-inch nominal diameter offers a versatile flow capacity. The beveled ends are precisely machined to facilitate efficient and reliable welding, reducing installation time and ensuring leak-proof joints. Each pipe undergoes rigorous testing to confirm compliance with ASTM standards, including tensile strength, yield strength, and chemical composition analysis.
Key Features & Technical Specifications
- Material Grade: ASTM A106 Grade B – seamless carbon steel with excellent weldability and toughness.
- Wall Thickness: Sch40 (approx. 7.11 mm for 6" pipe) – ensures high pressure rating without excessive weight.
- End Preparation: Beveled ends (30°-37.5° bevel angle) per ASME B16.25 for full-penetration welding.
- Size Range: Nominal diameter 6" (DN150) – other sizes available upon request.
- Length: Random lengths (5.8m – 12m) or customized lengths to match project requirements.
- Surface Finish: Black (mill finish) or bare – optional coatings (e.g., varnish, oil) available.
- Testing & Certification: ISO9001 quality management system; hydrostatic test, flattening test, and chemical analysis performed.
- Applications: Suitable for high-temperature pipelines, boiler tubes, heat exchangers, and general pressure piping systems.
| Parameter | Specification |
|---|---|
| Grade | ASTM A106 Grade B |
| Schedule | Sch40 (Schedule 40) |
| Nominal Diameter | 6 inches (DN150) |
| Outside Diameter | 168.3 mm (6.625 in) |
| Wall Thickness | 7.11 mm (0.280 in) |
| Weight per Meter | Approx. 28.26 kg/m (19.0 lb/ft) |
| End Preparation | Beveled ends per ASME B16.25 |
| Maximum Temperature | Up to 750°F (400°C) continuous service |
Product Advantages & Benefits for Customers
- Superior Weldability: The beveled ends are precisely machined to ensure consistent gap and angle, reducing welding preparation time and minimizing defects.
- High Pressure & Temperature Resistance: ASTM A106 Grade B is designed for high-temperature service, offering excellent mechanical properties at elevated temperatures.
- Versatile Application: Ideal for steam, water, oil, and gas lines in refineries, chemical plants, and power stations.
- Cost-Effective: Sch40 wall thickness provides a strong yet economical option for many industrial piping systems.
- Global Compliance: Manufactured in accordance with ASTM A106 and supported by ISO9001 quality system, ensuring consistent quality across batches.
- Customizable Lengths: Available in random lengths or cut to specific project dimensions to reduce waste and installation costs.
At Hemaokang Steel, we understand that reliability and performance are non-negotiable for your projects. Our team of 51-100 experienced professionals ensures that every pipe is inspected and tested before shipment. With a strong presence in markets across North America, South America, Europe, Asia, Africa, and Oceania, we have successfully delivered millions of tons of steel products to satisfied clients worldwide. Our ISO9001 certification is a testament to our dedication to quality management and continuous improvement.
Frequently Asked Questions (FAQ)
-
Q: What is the difference between ASTM A106 Grade B and A53 Grade B?
A: ASTM A106 Grade B is specifically designed for high-temperature service and has stricter chemical composition and tensile requirements. A53 Grade B is typically used for low-pressure applications. For welding and high-temperature lines, A106 Grade B is the preferred choice. -
Q: Can the beveled ends be customized to a different angle?
A: Yes, we can provide bevel angles per your specification (e.g., 30°, 37.5°, or other). Please contact our sales team to discuss your requirements. -
Q: What is the minimum order quantity (MOQ) for this pipe?
A: Our MOQ is typically 10 tons, but we can accommodate smaller orders for sample or urgent projects. Please inquire for details. -
Q: How is the pipe packed for export?
A: Pipes are packed in bundles with steel straps, with ends protected by plastic caps. We also offer wooden crates or waterproof wrapping for sea freight, as per your request. -
Q: Do you provide a Mill Test Certificate (MTC) with each shipment?
A: Yes, a Mill Test Certificate (MTC) complying with EN 10204 Type 3.1 is provided for every batch, including chemical composition and mechanical properties. -
Q: What is the typical lead time for this product?
A: For standard sizes and lengths, lead time is 15-20 days after order confirmation. Customized lengths may require 25-30 days. -
Q: Is the pipe suitable for sour service (H2S environment)?
A: ASTM A106 Grade B is not specifically designed for sour service. For H2S environments, we recommend NACE MR0175 compliant materials. Please consult our technical team for appropriate alternatives. -
Q: Can you supply other schedules like Sch80 or Sch160 in the same grade?
A: Yes, we can supply A106 Grade B pipes in various schedules (Sch40, Sch80, Sch160, etc.) and diameters. Contact us for a complete size range.
We invite you to experience the Hemaokang Steel difference. With our ISO9001 certified processes, experienced team, and global logistics network, we are your reliable partner for high-quality carbon steel pipe. Whether you need a single container or a project-scale order, we are ready to deliver. Contact us today for a competitive quotation and technical support.
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