Cangzhou High Booming Pipe Equipment Co.,Ltd
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GB9948 Cracking Seamless Steel Pipe/Tube for Heat Exchanger
Cracking seamless steel pipe is mainly in furnace/boiler, heat exchanger and petholeum pipelines as well as refinery plants.
Process: hot rolled, cold drawn and hot expanding
Steel Grade; 10,20#,15CrMo,1Cr2Mo,1Cr5Mo etc
Tolerances:
| Process Type | OD | WT | ||
| Cold Drawn | (mm) | Tolerance(mm) | WT (mm) | Tolerance(mm) |
| >30～50 | ±0.3 | ≤30 | ±10% | |
| >50～219 | ±0.8% | |||
| Hot Rolled | >219 | ±1.0% | >20 | ±10% |
| Standard | Steel | Tensile(MPa) | Yield(MPa) | Elongation(%) | Impact(J) | ||
| GB9948 | 10 | 330～490 | ≥205 | ≥24 | / | ||
| 20 | 410～550 | ≥245 | ≥21 | ≥39 | / | ||
| 15CrMo | 440～640 | ≥235 | ≥21 | ≥47 | ≤170 | ||
| 1Cr2Mo | ≥390 | ≥175 | ≥22 | ≥92 | ≤179 | ||
| 1Cr5Mo | ≥390 | ≥195 | ≥22 | ≥92 | ≤187 |