牌号 | NiCr19Fe19Nb5Mo 3 |
歐标鋼号 | 2.4668 |
對應标準 | EN 10269-2013
規定高溫和/或低溫性能的緊固件用鋼和鎳合金 Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties |
歸類 | 鎳及鎳合金 |
性能 | 強度 耐腐蝕 高溫強度 |
标簽 | 鎳钴合金 使用溫度700°C 緊固件材料 |
說明 | 20°C時的物理性能:(其他溫度的物理性能數據參見原件附錄表A.2) 動态彈性模量(GPa):199;20°C~200°C熱膨脹系數(10 -6 K -1):13.4 ;熱導率(W/m.K):13;比熱容(J/kg.K):440;電阻率( Ω.mm 2/m):1.23 密度和動态彈性模量參考自EN 10302-2008附錄表D.2 |
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 | ||
NiCr19Fe19Nb5Mo3 | 2.4668 | +P | d≤160 | - | - | - | - | - | 880 | - | 865 | - | 860 | - | 860 | - |
Material designation | Heat-treatment symbol | Normalizing,quenching or solution annealing temperature °C | Type of cooling | Tempering or precipitation treatment (and time) °C | |
Name | Number | ||||
NiCr19Fe19Nb5Mo3 | 2.4668 | +P | 950 to 1010 | a | 710 to 730 for 8h furnace cooling down to 610 to 630, hold at 610 to 630. Total treatment time min.18h |
20°C與各溫度間熱膨脹系數 | 熱導率 | 比熱容 | 電阻率 | |||||
100°C | 200°C | 300°C | 400°C | 500°C | 600°C | 20°C | 20°C | 20°C |
10-6K-1 | W/m.K | J/kg.K | Ω.mm2 /m | |||||
- | 13.4 | 13.8 | 14.1 | - | 14.6 | 13 | 440 | 1.23 |
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