GB6479化肥專用管 20G高壓化肥管的化學(xué)成分
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發(fā)布時間：2011/11/24 14:15:49
| GB6479化肥專用管化學(xué)成份 | ||||||||
| 鋼號 | C | Mn | Si | Cr | Mo | Ni | S | P |
| 10 | 0.07-0.14 | 0.35-0.65 | 0.17-0.37 | ≤0.15 | - | ≤0.25 | ≤0.035 | ≤0.035 |
| 20 | 0.17-0.24 | 0.35-0.65 | 0.17-0.37 | ≤0.25 | - | ≤0.25 | ≤0.035 | ≤0.035 |
| 12CrMo | 0.08-0.15 | 0.40-0.70 | 0.17-0.37 | 0.40-0.70 | 0.40-0.55 | ≤0.30 | ≤0.035 | ≤0.035 |
| 15CrMo | 0.12-0.18 | 0.40-0.70 | 0.17-0.37 | 0.80-1.10 | 0.40-0.55 | ≤0.30 | ≤0.035 | ≤0.035 |
| 1Cr2Mo | ≤0.15 | 0.30-0.60 | 0.50-1.00 | 2.15-2.85 | 0.45-0.65 | ≤0.30 | ≤0.035 | ≤0.030 |