Модель: cr15ni60, cr25ni20, cr20ni35, cr20ni80, cr30ni70
Type | 1Cr13Al4 | 0Cr25Al5 | 0Cr21Al6 | 0Cr23Al5 | 0Cr21Al4 | 0Cr21Al6Nb | 0Cr27Al7Mo2 | |
Main Chemical composition | Cr | 12.0-15.0 | 23.0-26.0 | 19.0-22.0 | 22.5-24.5 | 18.0-21.0 | 21.0-23.0 | 26.5-27.8 |
Al | 4.0-6.0 | 4.5-6.5 | 5.0-7.0 | 4.2-5.0 | 3.0-4.2 | 5.0-7.0 | 6.0-7.0 | |
Re | opportune | opportune | opportune | opportune | opportune | opportune | opportune | |
Fe | Rest | Rest | Rest | Rest | Rest | Rest | Rest | |
Maximal Temperature | 650 | 1250 | 1250 | 1250 | 1100 | 1350 | 1400 | |
Resistivity 20c (10-6ohm*m) | 1.25 | 1.42 | 1.42 | 1.35 | 1.23 | 1.45 | 1.53 | |
Density(g/cm3) | 7.4 | 7.1 | 7.16 | 7.25 | 7.35 | 7.1 | 7.1 | |
Thermal conductivity (KJ/m*h*c) | 52.7 | 46.1 | 63.2 | 60.2 | 46.9 | 46.1 | 45.2 | |
Extend strength | 15.4 | 16 | 14.7 | 15 | 13.5 | 16 | 16 | |
Melting point (deg.c | 1450 | 1500 | 1500 | 1500 | 1500 | 1510 | 1520 | |
Tensile strength(N/mm2) | 588-735 | 630-780 | 637-780 | 630-780 | 637-784 | 650-800 | 680-830 | |
Extension rate% | >16 | >12 | >12 | >12 | >12 | >12 | >10 | |
Section shrink rate (%) | 65-75 | 60-75 | 65-75 | 65-75 | 65-75 | 65-75 | 65-75 | |
Repeatedly bending frequency (F/R) | >5 | >5 | >5 | >5 | >5 | >5 | >5 | |
Specific heat J/g. | 0.49 | 0.494 | 0.52 | 0.46 | 0.49 | 0.494 | 0.494 | |
Linear expansion coefficient | 15.4 | 16 | 14.7 | 15 | 13.5 | 16 | 16 | |
hardness (H.B.) | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | |
Rapid life h/ | 0.064 | 0.061538462 | 0.061538462 | 0.061538462 | 0.059259259 | 0.059259259 | ||
Microstructure | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite | |
Magnetism | Magnetic | Magnetic | Magnetic | Magnetic | Magnetic | Magnetic | Magnetic |
Type | Cr20Ni80 | Cr15Ni60 | Cr30Ni70 | Cr20Ni35 | Cr20Ni30 | |
Main chemical composition | Ni | Rest | 55.0~61.0 | Rest | 34.0~37.0 | 30.0~34.0 |
Cr | 20.0~23.0 | 15.0~18.0 | 28.0~31.0 | 18.0~21.0 | 18.0~21.0 | |
Fe | ≤1 | Rest | ≤1 | Rest | Rest | |
Maximal Temperature(ºC) | 1200 | 1150 | 1250 | 1100 | 1100 | |
Resistance Temperature correction coefficient.(CT) | 1.09±0.05 | 1.11±0.05 | 1.18±0.05 | 1.04±0.05 | 1.06±0.05 | |
Melting point (ºC) | 1400 | 1390 | 1380 | 1390 | 1390 | |
Resistivityρ20ºC(10-6Ω.m) | 800ºC | 1.008 | 1.078 | 1.028 | 1.188 | 1.173 |
1000ºC | 1.014 | 1.095 | 1.033 | 1.219 | 1.201 | |
1200ºC | 1.025 | 1.043 | ||||
Fast life value | Tem.(ºC) | 1175 | 1100 | 1200 | 1050 | 1050 |
hour(h) | ≥110 | ≥100 | ≥110 | ≥100 | ≥100 | |
Specific gravity(g/cm3) | 8.40 | 8.2 | 8.1 | 7.90 | 7.90 | |
Elongation(%) | ≥25 | ≥25 | ≥20 | ≥20 | ≥20 | |
Thermal(kj/m.h.ºC) | 60.3 | 45.2 | 45.2 | 43.8 | 43.8 | |
Specific heat(20ºC)j/g.ºC | 0.440 | 0.494 | 0.461 | 0.500 | 0.500 | |
Extend strength(20~1000ºC)α*10-6ºC | 18.0 | 17.0 | 17.1 | 19.0 | 19.0 | |
Tensile strength(kg/mm2) | >85 | >85 | >85 | >85 | >85 | |
Repeatedly bending(F/R) | >12 | >12 | >12 | >12 | >12 | |
Microstructure | Austenitic | Austenitic | Austenitic | Austenitic | Austenitic |
Группа Продуктов : Утюг-Хроми-Алюминия Сплава