ASTM A269 ASTM A312 ASTM A358 ASTM A688 ASTM A778 Stainless Steel Welded Pipe

ASTM A269, A312, A358, A688, and A778 standards specify requirements for different grades and types of welded stainless steel pipe, each designed to meet the unique needs of various industries. This ensures superior performance across a wide range of industrial applications. These pipes are commonly used in chemical, food processing, marine, oil and gas, and high-temperature applications, offering exceptional corrosion resistance, strength, and durability.

1. ASTM A269 - Seamless and Welded Austenitic Stainless Steel Tubing
Material: Austenitic Stainless Steel (Grades 304, 304L, 316, 316L, etc.)
Applications: Primarily used in corrosive environments and high-temperature applications such as chemical processing, food processing, and pharmaceuticals.

2. ASTM A312 - Seamless and Welded Austenitic Stainless Steel Pipes
Material: Austenitic Stainless Steel (Grades 304, 304L, 316, 316L, 321, 347, etc.)
Applications: Widely used for high-pressure applications, including power plants, petrochemical industries, and nuclear power facilities.

3. ASTM A358 - Electric-Fusion-Welded Austenitic Stainless Steel Pipe
Material: Austenitic Stainless Steel (Grades 304, 304L, 316, 316L, etc.)
Applications: Primarily used for high-temperature and high-pressure services, such as in heat exchangers, boilers, and marine environments.

4. ASTM A688 - Stainless Steel Pipes for High-Temperature Service
Material: Austenitic Stainless Steel (Grades 304, 304L, 316, 316L, etc.)
Applications: Used in high-temperature applications requiring resistance to oxidation, such as in industrial furnaces, power plants, and high-temperature reactors.

5. ASTM A778 - Welded Stainless Steel Pipe
Material: Austenitic Stainless Steel (Grades 304, 304L, 316, 316L, etc.)
Applications: Ideal for food-grade and pharmaceutical industries, marine environments, and chemical processing.

What is the difference between astm A778 and A312?
ASTM A312 pipes are generally produced through hot or cold rolling, extrusion, and welding. In contrast, ASTM A778 pipes are made through electric fusion welding or EFW, resulting in a product with improved weld reliability and uniformity in shape.

What is the difference between astm A358 and astm A312?
ASTM A312 covers both seamless and various types of welded (including straight-seam) austenitic stainless steel pipes for general use and corrosive/high-temperature environments. In contrast, ASTM A358 is specifically for electric-fusion-welded (EFW) austenitic stainless steel pipes intended for high-temperature service, requiring different welding and testing methods based on five classes.

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Click to get ASTM A269 ASTM A312 ASTM A358 ASTM A688 ASTM A778 material list

Packaging: Moisture-proof and shock-proof packaging is used, and wooden pallets or plastic wrap are used for safe transportation.

Delivery Time: Standard delivery time for in-stock products is 7-15 days; custom orders are 20-30 days.

Minimum Order Quantity (MOQ): 500 kg (smaller quantities may be considered for sample orders).

Payment: T/T, L/C, or flexible payment options for long-term customers.