ASTM A53 Gr B Seamless Steel Pipe for Structural Applications

ASTM A53 Gr B Seamless Steel Pipe is a versatile carbon steel pipe that manufacturers produce for mechanical and pressure applications. This ASTM A53 Gr B Seamless Steel Pipe meets strict ASTM standards and provides reliable performance for various industrial systems .

Product Parameters

Outer diameter range: 1/8 inch to 26 inches (10.3mm to 660mm).

Regular sizes include 1/2 inch, 3/4 inch, 1 inch, 2 inches, 4 inches, 6 inches, 8 inches, 10 inches, and 12 inches .

Wall thickness options follow Schedule 10, Schedule 40, Schedule 80, Schedule 160, STD, XS, and XXS classifications .

Standard lengths come in 6 meters, 12 meters, or we can customize according to project needs.

The processing technique involves hot rolling, cold drawing, or hot expansion methods .

The pipe complies with ASTM A53 / ASME SA53 Grade B execution standards. Packaging includes steel strip bundles with waterproof wrapping and plastic caps on both ends. We offer various surface treatments including black bare finish, oiled coating, varnish painting, or hot-dipped galvanized coating .

Chemical Composition (Typical %)

Carbon (C): 0.30 maximum
Manganese (Mn): 1.20 maximum
Phosphorus (P): 0.05 maximum
Sulfur (S): 0.045 maximum
Copper (Cu): 0.40 maximum
Nickel (Ni): 0.40 maximum
Chromium (Cr): 0.40 maximum
Molybdenum (Mo): 0.15 maximum
Vanadium (V): 0.08 maximum

Physical Properties

Tensile Strength: 415 MPa (60,000 psi) minimum
Yield Strength: 240 MPa (35,000 psi) minimum
Elongation: 20 percent minimum

Product Applications

This pipe serves in oil and gas transmission lines for fluid transportation . Water and steam systems use it for general utility piping applications . Structural frameworks and building construction projects rely on this grade for its reliable strength . Boilers and heat exchangers incorporate this material for its good weldability and formability . Mechanical and engineering industries use it for machinery components and general fabrication work.