ASTM/ASME A53/SA53 Seamless and Welded Standard Steel Pipe
Domestically produced welded and seamless steel pipe for general
UNION VICTORY Products ASTM/ASME A53/SA53 seamless and welded steel pipe is a
general, all-purpose pipe used in generator plants, refineries,
compressor stations, natural gas transmission, and steam
conduction. It is acceptable for welding, flanging, and bending.
-NPSto NPS 26” O.D.
-Wall thickness: Schedules 10 through 160, STD, XH and XXH
-Commonly requested unscheduled walls up to 4” and certified
minimum wall items
-ASTM A53 Seamless Steel Tube Application:
1. Construction categories are: under the pipeline transport up to
more, cover the floor when the extraction of groundwater, boiler
hot water transport and so on.
2. Machining, bearing sets, processing machinery parts and so on.
3. Electric class: gas transmission, water generation fluid
4. Wind power plant anti-static tube
-A53 Comparative Specifications:
-MECHANICAL PROPERTIESTENSILE REQUIREMENTS
-Seamless and ERWGrade AGrade B
-Tensile Strength (min, psi)48,00060,000
-CHEMICAL REQUIREMENTS FOR A53
-Seamless and ERWC max %Mn max %P max %S max %
-Testing Requirements for seamless and welded API 53 steel pipe
-Hydrostatic Testing test pressures for plain and threaded and
coupled pipe are specified. Hydrostatic pressure shall be
maintained for not less than 5 seconds for all sizes of seamless
and ERW pipe.
1.Tensile Test: Two transverse tests required on the ERW for NPS 8
and larger, one across the weld and one opposite the weld.
2.Flattening Test: On ERW for NPS 2 and larger, STD and XS wall
(not required for XXS pipe)
3.Bending Test (cold): For NPS 2 and under, XS wall and under; for
NPS 1-1/4 and under, XXS wall
Degree of BendDiameter of Mandrel
For normal A53 users9012 x nom. diameter of pipe
For Close Coiling1808 x nom. diameter of pipe
-Number of Tests: Seamless and Electric Resistance Weld (ERW)
bending, flattening, tensile on one length of pipe from each lot of
500 lengths, or less, of each pipe size.
-Permissible Variations for A53 steel pipe:
-Wall thickness: The minimum wall thickness at any point shall not
be more than 12.5% under the nominal wall thickness specified.
-Weights per foot are plus or minus 10%
-Outside diameter: Outside diameter at any point shall not vary
from standard specified more than:
1-1/2 and smaller+1/64-1/64”
2 and larger+1%-1%
-Lengths of A53 steel pipe
UNION VICTORY Products A53 seamless and welded steel pipe is produced in random
lengths 1622’ or 3244’, in multiple lengths, and in specific cut
Rolled, die-stamped, ink-printed, or stenciled (manufacturer’s
Manufacturer’s name, brand, or trademark
Size and wall
UNION VICTORY Products A53 Seamless and Welded Steel Pipes, contact us for
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