Uniform Wall, Superior Flow Efficiency ASTM A106 Seamless Steel Pipe 6" Sch 40

Uniform Wall, Superior Flow Efficiency ASTM A106 Seamless Steel Pipe 6" Sch 40

1. Product Description

A Seamless Steel Pipe is manufactured from a solid billet through processes like piercing, hot rolling, or cold drawing/rolling, resulting in a tubular product with no welded seam. Its seamless, hollow cross-section allows it to withstand higher pressures, offering superior strength, excellent homogeneity, and unmatched reliability. It serves as a critical foundational material for fluid conveyance, structural components, and applications in high-temperature, high-pressure, and harsh environments, widely used in heavy industries like energy, chemical processing, and machinery manufacturing.

2. Key Product Parameters

• Standard: ASTM A106/A53, API 5L, ASTM A179/A192/A213, GB/T 8162, GB/T 8163, GB 5310, EN 10210, EN 10216, etc.

• Material/Grade: 20#, 45#, Q345B, A106 Gr.B, API 5L Gr.B, P91, P92, 304, 316L, etc.

• Size Range:

  • Outer Diameter (OD): 6mm - 1000mm (or larger, depending on process)

  • Wall Thickness (WT): 1mm - 100mm (Sch 5S ~ Sch XXS)

  • Length: Typically 6m - 12.5m, can be cut to length.

• Manufacturing Process: Hot-rolled, Cold-drawn/Cold-rolled.

• Mechanical Properties: Tensile strength, yield strength, elongation, etc., comply with the relevant standard specifications.

• Surface Treatment: Black paint/Bare pipe, sandblasted, oiled, galvanized (in some cases).

3. Product Applications

• Energy Sector: Oil and gas transmission pipelines, oil field drilling pipes (casing, tubing), boiler superheater & reheater tubes, main steam pipes in power plants.

• Chemical Industry: Piping for high-temperature & high-pressure reactors, heat exchanger tubes, pipes for conveying corrosive media.

• Machinery Manufacturing: Cylinder barrels for hydraulic and pneumatic systems, bearing sleeves, precision structural tubing for various machinery.

• Automotive Industry: Automotive drive shafts, chassis suspension system components.

• Construction Structures: High-strength structural tubing for buildings (e.g., load-bearing columns for stadiums, bridges).

• Others: High-pressure gas cylinders, military products.

4. Product Advantages

• Extremely High Pressure Resistance: The seamless structure eliminates the weak point of a weld, allowing it to uniformly withstand higher internal and external pressure.

• Lighter Weight: Offers comparable pressure resistance to some solid parts while being lighter, saving material and transportation costs.

• Excellent Cross-Section Homogeneity: Hot rolling or cold drawing processes ensure highly consistent wall thickness around the circumference.

• Diverse Material Options: Available in various materials from carbon steel, alloy steel to stainless steel, meeting the needs of different media and environments.

• Mature Process & High Reliability: As a classic industrial product, its performance is long-proven with an excellent safety record.

Specification

FAQ

1. Are you trading company or manufacturer ?

We are manufacturer ,You can see the Alibaba certification.

2. How long is your delivery time?

Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.

3. Do you provide samples ? is it free or extra ?

Yes, we could offer the sample for free charge but need pay the cost of freight.

4. What is your terms of payment ?

Payment<=1000USD, 100% in advance. Payment>=1000USD, 50% T/T in advance ,balance before shippment.