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ASTM A179/A179M Seamless Cold drawn Low carbon Steel Tubes are specifically designed for tubular heat exchangers, condensers, and similar heat transfer equipment. These tubes are suitable for moderate-temperature service where consistent strength and reliable performance are required.
Chemical Composition (%):
Carbon (C): 0.06–0.18 | Manganese (Mn): 0.27–0.63 | Phosphorus (P): ≤ 0.035 | Sulfur (S): ≤ 0.035
Mechanical Properties:
Tensile Strength: ≥ 325 MPa | Yield Strength: ≥ 180 MPa | Elongation: ≥ 35%
| Region | Standard | Common Grades |
|---|---|---|
| U.S.A. | ASTM A53/A106/A179/A192/A210/A333 | Gr.B, Gr.A, A179, A192, T11, T22, P1 |
| China | GB/T8163, GB5310, GB9948 | 10#, 20#, 45#, Q345B, 15CrMo, 20CrMo |
| Germany | DIN 17175, DIN 2448, DIN 2391 | St35.8, St45, St52, 15Mo3, 13CrMo44 |
| Japan | JIS G3454, G3456, G3461 | STPG38, STB33, STB42, STBA23 |





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