大型铸件用不锈铸钢的热处理与力学性能
发布时间:2010-12-25 15:40:50 阅读次数:761
大型铸件用不锈铸钢的热处理与力学性能
钢 号 | 热 处 理 | 力学性能(不小于) | 硬度 HBS | |||
σb /MPa | σs /MPa | δ (%) | φ (%) | |||
ZG15Cr13 | (1)加热到≤995℃,空冷,并在595℃ 回火;或(2)在790℃ 退火 | 620 | 450 | 18 | 30 | ≤241 |
ZG20Cr13 | 580 | 392 | 16 | 35 | 170~235 | |
ZG30Cr13 | 690 | 485 | 15 | 25 | ≤269 | |
ZG12Cr18Ni9Ti | 加热≥1040℃,保温足够时间,水淬或其他快冷 | 440 | 195 | 25 | 32 | --- |
ZG06Cr13Ni14Mo | (1)退火应>600℃;(2)正火和淬火;在AC3以上进行;(3)回火;在AC1上下进行一次或二次回火 | 760 | 550 | 15 | 35 | ≥220 |
ZG06Cr13Ni16Mo | 750 | 550 | 15 | 35 | ≥220 | |
ZG09Cr19Ni9 | 加热到≥1040℃,保温足够时间,水淬或其他快冷(本人实验证明1020℃也可以) | 485 | 205 | 35 | --- | --- |
ZG08Cr19Ni11Mo3 | 520 | 240 | 25 | --- | --- | |
ZG12Cr22Ni12 | 485 | 195 | 35 | --- | --- | |
ZG20Cr25Ni20 | 加热到≥1040℃,保温足够时间,水淬或其他快冷 | 450 | 195 | 30 | --- | --- |
ZG12Cr17Mn9Ni4Mo3Cu2N | 加热到≥1100~1150℃,保温足够时间,水淬或其他快冷 | 588 | 294 | 25 | 35 | --- |
ZG12Cr18Mn13Mo2Cu2N | 588 | 294 | 30 | 40 | --- |
大型铸件用不锈铸钢的钢号与化学成分 (质量分数)(%)
钢 号 | C | Si | Mn | P ≤ | S ≤ | Cr | Ni | Mo | 其他 |
ZG15Cr13 (ZG1Cr13) | ≤0.15 | ≤1.50 | ≤1.00 | 0.040 | 0.040 | 11.5~ 14.0 | ≤1.00 | ≤0.05 | --- |
ZG20Cr13 (ZG2Cr13) | 0.16~ 0.24 | ≤1.00 | ≤0.60 | 0.030 | 0.035 | 11.5~ 14.0 | --- | --- | --- |
ZG30Cr13 (ZG3Cr13 | 0.20~ 0.40 | ≤1.50 | ≤1.00 | 0.040 | 0.040 | 11.5~ 14.0 | ≤1.00 | ≤0.05 | --- |
ZG12Cr18Ni9Ti (ZG1Cr18Ni9Ti) | ≤0.12 | ≤1.50 | 0.80~ 2.00 | 0.030 | 0.040 | 17.0~ 20.0 | 8.00~ 11.00 | | Ti5(C—0.03)~0. |
ZG06Cr13Ni4Mo (ZG0Cr13Ni4Mo) | ≤0.06 | ≤1.00 | ≤1.00 | 0.030 | 0.030 | 11.5~ 14.0 | 3.50~ 4.50 | 0.40~ 1.00 | |
ZG06Cr13Ni6Mo (ZG0Cr13Ni6Mo) | ≤0.06 | ≤0.70 | ≤0.80 | 0.030 | 0.030 | 12.0~ 14.0 | 5.50~ 6.50 | 0.40~ 1.00 | |
ZG08Cr19Ni9 (ZG0Cr19Ni9) | ≤0.08 | ≤2.00 | ≤1.50 | 0.040 | 0.040 | 17.0~ 21.0 | 8.00~ 11.00 | | |
ZG08Cr19Ni11Mo3 (ZG0Cr19Ni11Mo3) | ≤0.08 | ≤1.50 | ≤1.50 | 0.040 | 0.040 | 18.0~ 21.0 | 9.00~ 13.00 | 3.00 4.00 | |
ZG12Cr22Ni12 (ZG1Cr22Ni12) | ≤0.12 | ≤2.00 | ≤1.50 | 0.040 | 0.040 | 20.0~ 23.0 | 10.00~ 13.00 | | |
ZG20Cr25Ni20 (ZG20Cr25Ni20) | ≤0.20 | ≤2.00 | ≤1.50 | 0.040 | 0.040 | 23.0~ 27.0 | 19.00~ 31.00 | | |
ZG12Cr17Mn9Ni4Mo3Cu2N (ZG1Cr17Mn9Ni4Mo3Cu2N) | ≤0.12 | ≤1.50 | 8.00~ 10.00 | 0.060 | 0.035 | 16.00~ 19.00 | 3.00~ 5.00 | 2.90~ 3.50 | Cu 2.00~250; N 0.16~0.26 |
ZG12Cr18Mn13Mo2CuN (ZG1Cr18Mn13Mo2CuN) | ≤0.12 | ≤1.50 | 12.00~ 14.00 | 0.060 | 0.035 | 17.00~ 20.00 | --- | 1.50~ 2.00 | Cu 1.00~1.50; N 0.19~0.26 |
来源: 国际铸业