ASTM A358 Pipe

At Kwality Steelage Pvt. Ltd., we are dedicated to providing superior ASTM A358 stainless steel pipes that are manufactured to handle challenging environments. These pipes are available in welded forms, including Electric Fusion Welded (EFW), and are suitable for various processes such as bending, flanging, and fusion welding. With multiple classes like Class 1, Class 2, Class 3, Class 4, and Class 5, each offering unique heat treatment and testing specifications, our ASTM A358 pipes are engineered to meet specific industrial requirements.

The ASTM A358 standard is widely recognized for its application in corrosive and high-temperature environments, particularly in systems that demand long-lasting performance, reliability, and resistance to harsh conditions.

At Kwality Steelage Pvt. Ltd., we offer ASTM A358 pipes with the following specifications:

• Grades: ASTM A358 Grade 304, 304L, 316, 316L, 321, and 347
• Classes: Class 1, Class 2, Class 3, Class 4, Class 5
• Outer Diameter: 6″ to 36″
• Thickness Schedule: SCH 10, SCH 20, SCH 40, SCH 80, SCH 160, SCH XXS
• Manufacturing Types: Electric Fusion Welded (EFW)
• End Types: Beveled, Plain
• Length: Single Random Length (SRL), Double Random Length (DRL), or Custom Lengths
• Surface Treatment: Pickled, Polished, Mirror Finish, Mill Finish

A358 GR 904L

A358 GR 348H

A358 GR 348

A358 GR 347LN

A358 GR 347H

A358 GR H347

A358 GR 321H

A358 GR 321

A358 GR 317L

A358 GR 317

Chemical Composition Requirements for ASTM A358 Pipes (Wall Thickness ≤ 0.984″)

Note: The chemical composition values mentioned are standard requirements for ASTM A358 stainless steel pipes, which are commonly used for corrosion resistance in high-temperature environments.
Mechanical Properties for ASTM A358 Pipes

For Welded Pipes
The mechanical properties for welded ASTM A358 pipes are similar to those for seamless pipes, with slight variations depending on specific class requirements (e.g., Class 1, Class 2, Class 3) and the exact welding process used. Welded pipes maintain high tensile and yield strengths and are used in applications that require robust material performance under high temperatures and corrosive environments.

At Solitaire Steel & Engineering LLP, each ASTM A358 stainless steel pipe undergoes rigorous testing to meet the highest international quality standards, ensuring reliable performance in high-pressure, high-temperature, and corrosive environments. Our comprehensive quality assurance process includes the following tests:

• Hydrostatic Testing: This essential test confirms that each ASTM A358 pipe can withstand high-pressure conditions without any leaks. The hydrostatic test is particularly important for ensuring the pipe’s integrity, especially in applications where consistent high-pressure flow is critical.
• Bend and Flattening Tests: ASTM A358 pipes are subjected to bend and flattening tests to evaluate their flexibility and structural durability. These tests confirm that the pipes can endure physical deformation during installation and operational use without cracking or failure, making them suitable for high-stress applications.
• Hardness Testing: We perform hardness testing to verify that ASTM A358 pipes meet specified hardness ranges. This is crucial for applications that demand strong resistance to wear and tear, especially when pipes are exposed to abrasive or high-stress environments.
• Non-Destructive Examination (NDE): Using advanced NDE methods like ultrasonic and radiographic testing, we detect internal and surface imperfections without compromising the integrity of the pipe. This thorough inspection ensures the highest level of quality and reliability, allowing for safe and efficient use in critical applications.
• Tensile Testing: Conducted to verify the tensile strength and elongation properties, this test ensures that the pipes can endure high-stress conditions while maintaining structural integrity. Tensile testing is essential for applications where ASTM A358 pipes are exposed to substantial mechanical stress.
• Impact Testing: Impact testing confirms the pipe’s resilience to sudden shocks and dynamic forces, which is especially important in environments subject to vibrations or pressure changes, such as in refineries, chemical processing plants, and power generation facilities.

Through these stringent quality checks, Solitaire Steel & Engineering LLP ensures that every ASTM A358 pipe meets the necessary quality and safety standards. Our commitment to quality assurance allows us to deliver reliable, high-performance stainless steel pipes designed to withstand the most challenging operational environments in industries such as chemical processing, power generation, and petrochemical sectors.