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1、DIN17465-1993耐熱鑄鋼和熱強鑄鋼標準對照表:標準內(nèi)容:5.3.3耐熱鑄鋼和熱強鑄鋼*(1)德國DIN標準耐熱鑄鋼[DIN17465—1993]a.耐熱鑄鋼的鋼號與化學(xué)成分,見表5-64。表5-64耐熱鑄鋼的鋼號與化學(xué)成分(質(zhì)量分數(shù))(%)鋼號材料號CSiMnP≤S≤CrNi其他GX30CrSi61.47100.20~0.351.0~2.50.5~1.00.0350.0306.0~8.0——GX40CrSi131.47290.30~0.451.0~2.50.5~1.00.0350.03012.0~14.0——GX4
2、0CrSi171.17400.30~0.451.0~2.50.5~1.00.0350.03016.0~18.0——GX40CrSi231.47450.30~0.451.0~2.50.5~1.00.0350.03022.0~24.0——GX40CrSi291.47760.30~0.451.0~2.50.5~1.00.0350.03027.0~30.0——GX130CrSi291.47771.20~1.401.0~2.50.5~1.00.0350.03027.0~30.0——GX40CrNiSi27-41.48230.35~0.
3、501.0~2.5≤1.50.0350.03025.0~28.03.5~5.5—GX25CrNiSi18-91.48250.15~0.301.0~2.5≤1.50.0350.03017.0~19.08.0~10.0—GX40CrNiSi22-91.48260.30~0.501.0~2.5≤1.50.0350.03021.0~23.09.0~11.0—GX25CrNiSi20-141.48320.15~0.301.0~2.5≤1.50.0350.03019.0~21.013.0~15.0—GX40CrNiSi25-121.48
4、370.30~0.501.0~2.5≤1.50.0350.03024.0~26.011.0~14.0—GX40CrNiSi25-201.48480.30~0.501.0~2.5≤1.50.0350.03024.0~26.019.0~21.0—GX40CrNiSi38-181.48650.30~0.501.0~2.5≤1.50.0350.03017.0~19.036.0~39.0—GX40CrNiSi35-251.48570.30~0.501.0~2.5≤1.50.0350.03024.0~26.034.0~36.0—GX30
5、CrNiSiNb24-241.48550.25~0.400.5~2.0≤1.50.0350.03023.0~25.023.0~25.0Nb1.2~1.8GX40CrNiSiNb38-181.48490.30~0.501.0~2.5≤1.50.0350.03017.0~19.036.0~39.0Nb1.2~1.8GX40CrNiSiNb35-251.48520.35~0.451.0~2.5≤1.50.0350.03024.0~26.033.0~35.0Nb0.8~1.8G-CoCr282.47780.10~0.200.5~1.
6、5≤1.50.0350.03027.0~30.0—Co18.0~52.0G-NiCr28W2.48790.35~0.500.5~2.0≤1.50.0350.03027.0~30.047.0~50.0W4.0~5.5b.耐熱鑄鋼的室溫力學(xué)性能,見表5-56。表5-56耐熱鑄鋼的室溫力學(xué)性能鋼號材料號鑄鋼件狀態(tài)力學(xué)性能(不小于)硬度≤HBS30σ0.2/MPaσb/MPaδ5(%)鐵素體形GX30CrSi61.4710800~850oC退火———300GX40CrSi131.4729300GX40CrSi171.1740300G
7、X40CrSi23GX40CrSi29GX130CrSi291.47451.47761.4777鑄態(tài)————鐵素體-奧氏體型GX40CrNiSi27-41.4823鑄態(tài)————奧氏體型GX25CrNiSi18-91.4825鑄態(tài)23044015—GX40CrNiSi22-91.48262304408GX25CrNiSi20-141.483223044010GX40CrNiSi25-121.48372304407GX40CrNiSi25-201.48482304406GX40CrNiSi38-181.48652304005GX
8、40CrNiSi35-251.48572304405GX30CrNiSiNb24-241.48552304405GX40CrNiSiNb38-181.48492204005GX40CrNiSiNb35-251.48522204005GCoCr282.4778———GNiCr28W2.487