ASTM A106 Grade A, B, C Seamless Steel Pipe

ASTM A106 Grade A, B, C Seamless Steel Pipe
Standard: ASTM A106, Nace, Sour service.
Grade: A, B, C
Range of OD outer diameter: NPS 1/8 inch to NPS 20 inch, 10.13mm to 1219mm
Range of WT wall thickness: SCH 10, SCH 20, SCH STD, SCH 40, SCH 80, to SCH160, SCHXX; 1.24mm up to 1 inch, 25.4mm
Range of length: 20ft to 40ft, 5.8m to 13m, single random lengths of 16 to 22ft, 4.8 to 6.7m, double random length with average 35ft 10.7m
Ends procession: Plain end, beveled, threaded
Coating: Black paint, varnished, epoxy coating, polyethylene coating, FBE and 3PE, CRA Clad and Lined.
Phone: +86 13361099274
WhatsApp: +86 13361099274
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E-mail: sales03@zxsdmetal.com

◉ Key Attributes

Product nameASTM A106 Grade A, B, C Seamless Steel Pipe  
StandardASTM A106, Nace, Sour service.
GradeA, B, C
Range of OD outer diameterNPS 1/8 inch to NPS 20 inch, 10.13mm to 1219mm
Range of WT wall thickness:SCH 10, SCH 20, SCH STD, SCH 40, SCH 80, to SCH160, SCHXX; 1.24mm up to 1 inch, 25.4mm
Range of length:20ft to 40ft, 5.8m to 13m, single random lengths of 16 to 22ft, 4.8 to 6.7m, double random length with average 35ft 10.7m
Ends procession:Plain end, beveled, threaded
Coating:Black paint, varnished, epoxy coating, polyethylene coating, FBE and 3PE, CRA Clad and Lined.
ApplicationPipeline systems for oil and gas, water, and mineral slurry transmission. It is also used in boiler systems and for construction and structural purposes.
Delivery Time1~100 Tons: 3~7 days101~1000 Tons: 7~15 days
≥1001 Tons: 15~20 days


◉ Product Details

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Product Introduction


ASTM A106 carbon steel pipes are a trusted choice for high-temperature and high-pressure applications across industries such as oil and gas, power generation, and chemical processing. These seamless pipes are crafted from premium-grade carbon steel, offering exceptional tensile strength, corrosion resistance, and thermal stability. Designed to withstand temperatures up to 750°F (400°C) and pressures suitable for critical infrastructure, ASTM A106 pipes ensure reliable performance in demanding environments. Compliant with ASTM A106 standards (Grades A, B, or C), they provide a cost-effective solution for transporting fluids, steam, or gases while maintaining structural integrity under extreme conditions, minimizing downtime and maintenance costs.

Available in a wide range of sizes and thicknesses, ASTM A106 carbon steel pipes offer versatility to meet diverse project requirements. Whether used in pipelines, boilers, or heat exchangers, their seamless construction eliminates weak points, ensuring uniform strength and durability. Ideal for both new installations and retrofits, these pipes are easy to install and integrate with existing systems. With their proven track record of reliability and efficiency, ASTM A106 pipes are the preferred option for engineers and contractors seeking a high-performance, long-lasting solution for their most critical applications.


ASTM A106 Grade A, B, C, Steel Pipe Specification


ASTM A106/ASME SA106 is the standard specification for seamless carbon steel pipe used for high-temperature services. It includes three grades: A, B, and C, with Grade B being commonly used. This type of pipe finds applications in various industries, including pipeline systems for oil and gas, water, and mineral slurry transmission. It is also used in boiler systems and for construction and structural purposes.

ASTM A106 Grade B pipe is considered equivalent to ASTM A53 Grade B and API 5L Grade B in terms of chemical composition and mechanical properties. It is a type of carbon steel that has a minimum yield strength of 240 MPa and a minimum tensile strength of 415 MPa.

astm-a106-b-chemical-composition


Advantage of ASTM A106 Steel Pipe


1. Superior Strength and Durability

ASTM A53 steel pipes are engineered with high tensile strength (Grade B: 60,000 PSI) and robust carbon steel composition, making them resistant to deformation and cracking under heavy loads or high-pressure conditions. This durability ensures long-term reliability in demanding environments, such as oil and gas pipelines, reducing the need for frequent replacements and maintenance costs.

2. Excellent Corrosion Resistance

These pipes are available with hot-dip galvanized or zinc coatings, providing a protective barrier against rust, oxidation, and chemical corrosion. This makes them ideal for outdoor, underground, or marine applications where exposure to moisture, salts, or aggressive substances is common. Their resistance to environmental degradation extends service life, even in harsh climates.

3. Cost-Effective Solution

ASTM A53 pipes offer a high strength-to-weight ratio, allowing thinner walls without compromising performance. This reduces material costs compared to heavier alternatives while maintaining pressure capacity. Their versatility in seamless and welded forms also simplifies installation, cutting labor and project expenses. Additionally, widespread availability ensures competitive pricing and short lead times.

4. Versatile Applications Across Industries

Designed for low-to-medium pressure systems, ASTM A53 pipes are used in water supply, HVAC, structural engineering, and industrial processes. They handle air, steam, gas, and liquids efficiently, adapting to coiling, bending, or flanging for custom projects. Their compatibility with various fittings and standards (e.g., NPS, Schedule) supports seamless integration into diverse systems.

5. Shock and Vibration Resistance

The inherent resilience of ASTM A53 steel pipes makes them resistant to shocks and vibrations, ensuring stability in dynamic environments. This is critical for applications like conveyor systems, machinery, or automotive components, where sudden impacts or constant movement could damage lesser materials. Their toughness minimizes downtime and enhances operational safety.

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Quality Control


We have our own Physical & Chemical Testing Center Lab to guarantee our product quality. Our test items & instrument fully meet international standards.


Application of ASTM A106 Steel Pipe


1. Oil & Gas Pipeline Systems

ASTM A53 steel pipes are widely used in oil and gas industries for transporting crude oil, natural gas, and refined products. Their high tensile strength and corrosion resistance make them ideal for both onshore and offshore pipelines, ensuring reliable fluid transmission under high pressure and varying temperatures. These pipes also meet stringent safety standards, reducing the risk of leaks in critical energy infrastructure.

2. Municipal Water Supply Networks

Municipalities rely on ASTM A53 pipes for distributing potable water across residential, commercial, and industrial areas. Galvanized or coated variants resist rust and chemical contamination, maintaining water quality over long distances. These pipes are also used in fire protection systems, irrigation networks, and wastewater treatment plants, offering durability and cost-efficiency for large-scale public projects.

3. Structural Engineering & Construction

In construction, ASTM A53 steel pipes serve as load-bearing components for scaffolding, bridges, and building frameworks. Their seamless or welded designs allow easy customization, while their strength supports heavy loads and dynamic forces. These pipes are also used in piling systems to stabilize foundations in soft soil or earthquake-prone regions, ensuring structural safety and longevity.

4. HVAC & Thermal Energy Systems

ASTM A53 pipes are integral to heating, ventilation, and air conditioning (HVAC) systems, circulating hot or chilled water efficiently. Their thermal conductivity and pressure-handling capabilities optimize energy transfer in commercial buildings, hospitals, and factories. Additionally, they support steam distribution networks and compressed air lines, maintaining system integrity under high-temperature conditions.

5. Industrial Process & Chemical Pipelines

Manufacturers use ASTM A53 pipes to transport chemicals, gases, and slurries in process industries like petrochemicals, pharmaceuticals, and food processing. Their resistance to corrosion and chemical reactions ensures product purity, while their versatility accommodates custom fittings for complex piping layouts. These pipes also handle steam, hydraulic fluids, and cooling systems in machinery and power plants, enhancing operational efficiency.

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About Us


Zhongxi (Shandong) Metal Technology Co., Ltd. is a professional steel manufacturing enterprise integrating R&D, production, sales, and service. The factory boasts advanced production equipment and an intelligent management system, with an annual export volume exceeding 300,000 tons. With high-quality products and excellent customer service, our sales network covers numerous countries and regions in the United States, Europe, Southeast Asia, the Middle East, Africa, and South America.

Our main products include carbon steel (carbon steel coils, carbon steel plates, carbon steel pipes, carbon steel wire), structural steel (angle steel, channel steel, I-beams, H-beams, round steel, flat steel, square steel, hexagonal steel), stainless steel (stainless steel coils, stainless steel plates, stainless steel pipes), galvanized steel (galvanized coils, galvanized plates, galvanized pipes), PPGI, PPGL, billets, reinforcing bars, tinplate, and other products.

Adhering to the principle of "Quality First, Reputation Supreme," we are committed to providing customers with high-quality and sufficient products. If you are interested in our products or wish to discuss custom orders, please feel free to contact us. We look forward to establishing successful business relationships with new customers around the world in the near future.

Contact Us


As a leading company, Zhongxi Metal is known for our excellent product quality and professional services, providing our customers with a reliable partner. We have a global sales network that can meet the needs of customers in different countries and regions.If you need more information about us or have any other needs, please feel free to contact us. We look forward to working with you to create a better future.

If you can't find the product you need on our website, rest assured, the products on our platform represent only a small portion of our vast network and resources. Feel free to send an inquiry to learn more about our products! We will provide high-quality products and competitive prices!

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