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ASTM A192/A192M – Standard Specification for Seamless Carbon Steel Boiler Tubes for High Pressure Service
This specification covers minimum wall thickness, seamless carbon steel boiler and super heater tubes designed for high-pressure service in stationary boilers, super heaters, and heat exchangers. These tubes are suitable for high temperature and high pressure environments where reliability is critical.
| Property | Requirement |
|---|---|
| Carbon (C) | 0.06–0.18% |
| Manganese (Mn) | 0.27–0.63% |
| Tensile Strength | ≥ 325 MPa (47,000 psi) |
| Yield Strength | ≥ 180 MPa (26,000 psi) |
| Elongation | ≥ 35% |
| Hardness | ≤ 72 HRB |



| Region | Standards | Typical Materials |
|---|---|---|
| USA | ASTM A53/A106/A192/A210/A333 | Gr.B, A179, A192, T11, T22 |
| China | GB/T8163, GB5310, GB9948 | 10#, 20#, 45#, Q345B, 15CrMo |
| Germany | DIN 17175, DIN 1629, DIN 2391 | ST35.8, ST45, ST52, 15Mo3 |
| Japan | JIS G3454, G3456, G3461 | STPG38, STB33, STBA23 |
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