对应产品名: 耐热铸钢和热强铸钢 标准对照表: 标准内容: 5.3.3 耐热铸钢和热强铸钢*(1)德国DIN标准耐热铸钢[DIN 17465—1993]a.耐热铸钢的钢号与化学成分,见表5-64表5-64 耐热铸钢的钢号与化学成分(质量分数)(%)钢 号材料号CSiMnP ≤S ≤CrNiOtherGX30CrSi61.47100.20~0.35 1.0~2.5 0.5~1.0 0.0350.0306.0~8.0 — — GX40CrSi131.47290.30~0.45 1.0~2.5 0.5~ 1.0 0.0350.03012.0~14.0 — — GX40CrSi171.17400.30~0.45 1.0~2.5 0.5~1.0 0.0350.03016.0~18.0 — — GX40CrSi231.47450.30~0.45 1.0~2.5 0.5~1.0 0.0350.03022.0~24.0 — — GX40CrSi291.47760.30~0.45 1.0~2.5 0.5~1.0 0.0350.03027.0~30.0 — — GX130CrSi291.47771.20~1.40 1.0~2.5 0.5~1.0 0.0350.03027.0~30.0 — — 精品.GX40CrNiSi27-41.48230.35~0.50 1.0~2.5 ≤1.50.0350.03025.0~28.0 3.5~5.5 — GX25CrNiSi18-91.48250.15~0.30 1.0~2.5 ≤1.50.0350.03017.0~19.0 8.0~10.0 — GX40CrNiSi22-91.48260.30~0.50 1.0~2.5 ≤1.50.0350.03021.0~23.0 9.0~11.0 — GX25CrNiSi20-141.48320.15~0.30 1.0~2.5 ≤1.50.0350.03019.0~21.0 13.0~15.0 — GX40CrNiSi25-121.48370.30~0.50 1.0~2.5 ≤1.50.0350.03024.0~26.0 11.0~14.0 — GX40CrNiSi25-201.48480.30~0.50 1.0~2.5 ≤1.50.0350.03024.0~26.0 19.0~21.0 — GX40CrNiSi38-181.48650.30~0.50 1.0~2.5 ≤1.50.0350.03017.0~19.0 36.0~39.0 — GX40CrNiSi35-251.48570.30~0.50 1.0~2.5 ≤1.50.0350.03024.0~26.0 34.0~36.0 — GX30CrNiSiNb24-241.48550.25~0.40 0.5~2.0 ≤1.50.0350.03023.0~25.0 23.0~25.0 Nb1.2~1.8GX40CrNiSiNb38-181.48490.30~0.50 1.0~2.5 ≤1.50.0350.03017.0~19.0 36.0~39.0 Nb1.2~1.8精品.GX40CrNiSiNb35-251.48520.35~0.45 1.0~2.5 ≤1.50.0350.03024.0~26.0 33.0~35.0 Nb0.8~1.8 G-CoCr282.47780.10~0.20 0.5~1.5 ≤1.50.0350.03027.0~30.0 — Co18.0~52.0 G-NiCr28W2.48790.35~0.50 0.5~2.0 ≤1.50.0350.03027.0~30.0 47.0~50.0 W4.0~5.5 b.耐热铸钢的室温力学性能,见表5-56。
表5-56 耐热铸钢的室温力学性能钢 号材料号铸钢件状态力学性能(不小于) 硬 度≤HBS30σ0.2 /MPa σb /MPa δ5(%) 铁素体形GX30CrSi61.4710800~850oC退火— — — 300GX40CrSi131.4729300GX40CrSi171.1740300GX40CrSi23GX40CrSi29GX130CrSi291.47451.47761.4777铸态— — — — 铁素体-奥氏体型GX40CrNiSi27-41.4823铸态— — — — 精品.奥氏体型GX25CrNiSi18-91.4825铸态23044015— GX40CrNiSi22-91.48262304408GX25CrNiSi20-141.483223044010GX40CrNiSi25-121.48372304407GX40CrNiSi25-201.48482304406GX40CrNiSi38-181.48652304005GX40CrNiSi35-251.48572304405GX30CrNiSiNb24-241.48552304405GX40CrNiSiNb38-181.48492204005GX40CrNiSiNb35-251.48522204005GCoCr282.4778— — — GNiCr28W2.4879— — — c.耐热铸钢的高温力学性能,见表5-66。
表5-66 耐热铸钢的高温力学性能钢 号材料号下列温度时1%-10000h的蠕变强度/MPa最高工作温度/oC600oC700oC800oC900oC1000oC1100oCGX30CrSi61.471019.582.5— — — 750精品.GX40CrSi13GX40CrSi17GX40CrSi23GX40CrSi29GX130CrSi291.47291.17401.47451.47761.477722222626— 991111— 2.53.555— 111.51.5— — — — — — — — — — — 850900105011501100GX40CrNiSi27-41.4823— 21941.5— 1100GX25CrNiSi18-9GX40CrNiSi22-9GX25CrNiSi20-14GX40CrNiSi25-12GX40CrNiSi25-201.48251.48261.48321.48371.4848788282——444646506622232326369.5101012.517— — — 5.57— — — — — 90095095010501100GX40CrNiSi38-18GX40CrNiSi35-251.48651.4857— — 5570324016206.58— 210501100GX30CrNiSiNb24-24GX40CrNiSiNb38-18GX40CrNiSiNb35-251.48551.48491.4852— — — 8060724638412220227.589— — 2105010001100精品.GCoCr28GNiCr28W2.47782.4879— — 707034411622610— 411001150(2) 德国DIN标准铁素体热强铸钢[DIN 17245—1987]a.铁素体热强铸钢的钢号与化学成分,见表5-67。
表5-67 铁素体热强铸钢的钢号与化学成分(质量分数)(%)钢 号材料号CSiMnP ≤S ≤CrNi其他GS-C251.061901.8~0.230.30~0.600.50~0.800.0200.015≤0.30——GS-22Mo41.54190.18~0.230.30~0.600.50~0.800.0200.015≤0.30—Mo0.35~0.45GS-17CrMo5 5 1.73570.15~0.200.30~0.600.50~0.800.0200.0151.00~1.50—Mo0.45~0.55GS-18CrMo9 10 1.73790.15~0.200.30~0.600.50~0.800.0200.0152.00~2.50—Mo0.90~1.10GS-17CrMoV5 11 1.77090.15~0.200.30~0.600.50~0.800.0200.0151.20~1.50—Mo0.90~1.10V0.20~0.30精品.G-XCrNi121.41070.06~0.100.10~0.400.50~0.800.0300.02011.5~12.50.80~1.50Mo≤0.50N≤0.05G-XCrMoV12 1 1.49310.20~0.260.10~0.400.50~0.800.0300.02011.3~12.20.70~1.00Mo1.00~1.20V 0.25~0.35(W≤0.50)b.铁素体热强铸钢的力学性能,见表5-68。
表5-68 铁素体热强铸钢的力学性能钢 号材料号σb /MPa 下列温度时的σ0.2 /MPa δ5 >=(%)A KV />J20oC200oC300oC350oC400oC450oC500oC550oCGS-C251.0619440~590245175145135。