13092187002
18662083226
18662083226
9Cr
化学成分（质量分数％） | |||||||
C | Si | Mn | Cr | Mo | S | P | |
9Cr18 | 0.9~1.00 | ≤0.80 | ≤0.80 | 17.00~19.00 | ≤0.030 | ≤0.035 | |
9Cr18Mo | 0.95~1.10 | ≤0.80 | ≤0.80 | 16.00~18.00 | 0.40~0.70 | ≤0.030 | ≤0.035 |
9Cr18钢的室温力学性能
热处理工艺 | 抗拉强度ób/MPa | 断后伸长率ó5(％) | 断面收缩率ψ(％) | 冲击韧度αk/(J/cm2) | 硬度 |
745 | 14.0 | 27.5 | 15.68 | 230~240HBW | |
61HRC |
9Cr18钢回火温度与力学性能的变化
回火温度/℃ | 硬度HRC | αk/(J/cm2) | 应力为960MPa时的弯曲
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