A53 Welded Pipe

A53 Standard specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless.

Typical Chemical Properties
Type S (seamless pipe) Type S (seamless pipe) Type E (electric-resistance-welded) Type E (electric-resistance-welded) Type F (furnace-welded pipe)
Composition, maximum, % Grade A Grade B Grade A Grade B Grade A
Carbon 0.25 0.30 0.25 0.3 0.3
Manganese 0.95 1.2 0.95 1.2 1.2
Phosphorous 0.050 0.050 0.050 0.050 0.050
Sulfur 0.045 0.045 0.045 0.045 0.045
Copper* 0.400 0.400 0.500 0.500 0.400
Nickel* 0.400 0.400 0.400 0.400 0.400
Chromium* 0.400 0.400 0.400 0.400 0.400
Molybdenum* 0.150 0.150 0.150 0.150 0.150
Vanadium* 0.080 0.080 0.080 0.080 0.080

* The total composition for these five elements shall not exceed 1.00 %

Typical Mechanical Properties
Grade A Grade B
Tensile Strength, Min, psi[Mpa] 48,000 [330] 60,000 [415]
Yield Strength, Min, psi[Mpa] 30,000 [205] 35,000 [240]
Typical Permissible Variations in Wall Thickness
The minimum wall thickness at any point shall not be more that 12.5% under the specified wall thickness.
Typical Permissible Variations in Outside Diameter
For pipe NPS 1 1/2 [DN 40] or smaller, the outside diameter at any point shall not vary more than +/-1/64 inch [0.4 mm] from the specified outside diameter. For pipe NPS 2 [DN 50] or larger, the outside diameter shall not vary more than 1 % from the specified diameter

Information provided is “Typical” for specific requirements please inquire.