Tel :
+86 136 6100 3712
For furnace, heat-exchangers and pipelines in petroleum refineries.
Product Standard: GB9948
Main steel grades: 10,20,12CrMo,15CrMo,1Cr2Mo, 1Cr5Mo
| Standard | Grade | TS（MPa） | YS（MPa） | Elongation（％） | AK（J） | Hardness（HB） | Delivery Status |
| GB9948 | 10 | 330～490 | ≥205 | ≥24 | / | / | Normalized |
| 20 | 410～550 | ≥245 | ≥21 | ≥39 | / | Normalized | |
| 15CrMo | 440～640 | ≥235 | ≥21 | ≥47 | ≤170 | Normalized+ Tempered | |
| 1Cr2Mo | ≥390 | ≥175 | ≥22 | ≥92 | ≤179 | Normalized+ Tempered | |
| 1Cr5Mo | ≥390 | ≥195 | ≥22 | ≥92 | ≤187 | Annealed |
| Standard | Grade | Chemical Composition（％） | |||||||
| C | Si | Mn | P | S | Cr | Mo | Ni | ||
| GB9948 | 10 | 0.07～0.14 | 0.17～0.37 | 0.35～0.65 | ≤0.035 | ≤0.035 | ≤0.15 | / | ≤0.25 |
| 20 | 0.17～0.24 | 0.17～0.37 | 0.35～0.65 | ≤0.035 | ≤0.035 | ≤0.25 | / | ≤0.25 | |
| 15CrMo | 0.12～0.18 | 0.17～0.37 | 0.40～0.70 | ≤0.035 | ≤0.035 | 0.80～1.10 | 0.40～0.55 | ≤0.30 | |
| 1Cr2Mo | ≤0.15 | 0.50～1.00 | 0.30～0.60 | ≤0.035 | ≤0.030 | 2.15～2.85 | 0.45～0.65 | / | |
| 1Cr5Mo | ≤0.15 | ≤0.50 | ≤0.60 | ≤0.035 | ≤0.030 | 4.00～6.00 | 0.45～0.60 | ≤0.60 | |
