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ASTM A53 Steel Pipe Specifications
ASTM A53 is a carbon steel alloy, which can be used as structural steel or for low-pressure pipelines.
ASTM A53 (ASME SA53) carbon steel pipe is a specification that covers seamless and welded black and hot-dipped galvanized steel pipe in NPS 1/8″ to NPS 26. A 53 is intended for pressure and mechanical applications and is also acceptable for ordinary uses in steam, water, gas, and air lines.
A53 pipe comes in three types (F, E, S) and two grades (A, B).
A53 Type F is manufactured with a furnace butt weld or may have a continuous weld (Grade A only)
A53 Type E has an electric resistance weld (Grades A and B)
A53 Type S is a seamless pipe and found in Grades A and B)
A53 Grade B Seamless is our most popular product under this specification and A53 pipe is commonly dual certified to A106 B Seamless pipe.
ASTM A53 Grade B is the material under the American steel pipe standard, API 5L Gr.B is also the American standard material, A53 GR.B ERW refers to the electric resistance welded steel pipe of A53 GR.B; API 5L GR.B Welded refers to the material Welded steel pipe of API 5L GR.B.
Chemical Properties %
|
/ |
Grade |
C,
max
|
Mn,
max
|
P,
max
|
S,
max
|
Cu*,
max
|
Ni*,
max
|
Cr*,
max
|
Mo*,
max
|
V*,
max
|
|
Type S (Seamless) |
A | 0.25 | 0.95 |
0.05 |
0.05 |
0.4 |
0.4 |
0.4 |
0.15 | 0.08 |
| B | 0.3 | 1.2 |
0.05 |
0.05 |
0.4 |
0.4 |
0.4 |
0.15 |
0.08 |
|
|
Type E (Electric-resistance Welded) |
A | 0.25 |
0.95 |
0.05 |
0.05 |
0.4 |
0.4 |
0.4 |
0.15 |
0.08 |
| B | 0.3 | 1.2 |
0.05 |
0.05 |
0.4 |
0.4 |
0.4 |
0.15 |
0.08 |
|
|
Type F (Furnace-welded) |
A | 0.3 | 1.2 |
0.05 |
0.05 |
0.4 |
0.4 |
0.4 |
0.15 |
0.08 |
*The total composition for these five elements shall not exceed 1.00%
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)
(Note: This is summarized information from ASME Specification A53. Please refer to the specific Standard or Specification or contact us for more details.)
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