9Cr
化學(xué)成分(質(zhì)量分?jǐn)?shù)%) | |||||||
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鋼的室溫力學(xué)性能
熱處理工藝 | 抗拉強(qiáng)度ób/MPa | 斷后伸長(zhǎng)率ó5(%) | 斷面收縮率ψ(%) | 沖擊韌度αk/(J/cm2) | 硬度 |
745 | 14.0 | 27.5 | 15.68 | 230~240HBW | |
61HRC |
9Cr18鋼回火溫度與力學(xué)性能的變化
回火溫度/℃ | 硬度HRC | αk/(J/cm2) | 應(yīng)力為960MPa時(shí)的彎曲
|