超高强高韧化钢的研究进展和展望
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罗海文,沈国慧
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Progress and Perspective of Ultra-High Strength Steels Having High Toughness
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Haiwen LUO,Guohui SHEN
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| 表8 半自磨机衬板用钢的化学成分及性能[94,95,96,97] |
| Table 8 Compositions and properties of the liner steels in semi-autogenous mill[94,95,96,97] |
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Steel | Composition (mass fraction / %) | YS MPa | UTS MPa | EL % | Hardness HB | Ak (20 ℃) J | Ref. |
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| C | Mn | Si | Cr | Ni | Mo | Other | Fe |
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| Mn14Cr | 1.27 | 14 | 0.5 | 1.7 | - | - | - | Bal. | 500 | - | 50 | 200~230 | 176 | [94] | | 400V | 0.2 | 1.8 | 0.5 | 1.5 | 0.8 | 0.5 | 0.05Nb | Bal. | 1000 | 1300 | 12 | 380~420 | 30 (-40 ℃) | [95] | | 500V | 0.3 | 1.6 | 0.5 | 1.5 | 1.0 | 0.5 | 0.05Nb | Bal. | 1300 | 1650 | 8 | 470~530 | 25 (-25 ℃) | [95] | | JEFEH360A | 0.20 | 1.6 | 0.6 | 0.8 | - | 0.3 | 0.003B | Bal. | 1147 | 1203 | 23.9 | 388 | 156 | [96] | | JEFEH500A | 0.35 | 1.6 | 0.6 | 0.8 | - | 0.3 | 0.003B | Bal. | 1321 | 1516 | 22.9 | 543 | 65 | [96] | | WNM360 | 0.20 | 1.6 | 0.6 | 1.4 | 1.0 | 0.5 | 0.004B | Bal. | - | 1290 | 13 | 362~379 | 58 (-20 ℃) | [96] | | Cr26 | 2.7 | 0.8 | 0.7 | 26 | 1.5 | 1.0 | 0.7RE | Bal. | - | - | - | 654 | 10 | [97] |
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