牌号 | NiCr20TiAl |
欧标钢号 | 2.4952 |
对应标准 | EN 10269-2013
规定高温和/或低温性能的紧固件用钢和镍合金 Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties |
归类 | 镍及镍合金 |
性能 | 强度 耐腐蚀 |
标签 | 高温镍合金 使用温度800°C 紧固件高温材料 |
说明 | 20°C时的物理性能:(其他温度的物理性能数据参见原件附录表) 动态弹性模量(GPa):216;20°C~100°C热膨胀系数(10 -6 K -1):12.9 ;热导率(W/m.K):11.4;比热容(J/kg.K):460;电阻率( Ω.mm 2/m):1.24 |
密度 | 8.2 g/cm3 |
Material designation | Heat treatment condition | Diameter d mm | Minimum 0.2%-proof strength Rp0.2 in MPa at a temperature (in°C) of: | |||||||||||||
Name | Number | 50 | 100 | 150 | 200 | 250 | 300 | 350 | 400 | 450 | 500 | 550 | 600 | 650 | ||
NiCr20TiAl | 2.4952 | +AT+P | d≤160 | 595 | 586 | 577 | 568 | 564 | 560 | 550 | 540 | 530 | 520 | 510 | 500 | 480 |
Material designation | Heat treatment condition | Diameter d mm | Minimum tensile strength Rm in MPa at a temperature (in°C) of: | |||||||||||||
Name | Number | 50 | 100 | 150 | 200 | 250 | 300 | 350 | 400 | 450 | 500 | 550 | 600 | 650 | ||
NiCr20TiAl | 2.4952 | +AT+P | d≤160 | 1000 | 975 | 950 | 900 | 900 | 900 | 900 | 900 | 900 | 890 | 880 | 850 |
Material designation | Heat treatment condition | Diameter d mm | Minimum impact energy KV2inJ(ISO-V test piece) at a test temperature in°C of: | ||||||||||||||||
Name | Number | -270 | -196 | -160 | -140 | -120 | -110 | -100 | -90 | -80 | -70 | -60 | -50 | -40 | -20 | 0 | +20 | ||
NiCr20TiAl | 2.4952 | +AT+P | d≤160 | 20 | 20 |
Material designation | Heat-treatment symbol | Normalizing,quenching or solution annealing temperature °C | Type of cooling | Tempering or precipitation treatment (and time) °C | ||
Name | Number | |||||
NiCr20TiAl | 2.4952 | +AT+P | 1050 to 1080 | a | 840 to 860,2h,a + 690 to 710,16h,a |
各温度°C时动态弹性模量 | 20°C与各温度间热膨胀系数 | 热导率 | 比热容 | 电阻率 | |||||||||||||
20 | 100 | 200 | 300 | 400 | 500 | 600 | 700 | 800 | 100°C | 200°C | 300°C | 400°C | 500°C | 600°C | 20°C | 20°C | 20°C |
GPa | 10-6 K-1 | W/m.K | J/kg.K | Ω.mm2/m | |||||||||||||
216 | 212 | 208 | 202 | 196 | 189 | 179 | 161 | 130 | 12.9 | 13.4 | 13.8 | 14.3 | 14.7 | 15.2 | 11.4 | 460 | 1.24 |
材料牌号对应供应商