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| 牌號(hào) | NiCr19Fe19Nb5Mo 3 |
| 歐標(biāo)鋼號(hào) | 2.4668 |
| 對(duì)應(yīng)標(biāo)準(zhǔn) | EN 10269-2013
規(guī)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(lèi) | 鎳及鎳合金 |
| 性能 | 強(qiáng)度 耐腐蝕 高溫強(qiáng)度 |
| 標(biāo)簽 | 鎳鈷合金 使用溫度700°C 緊固件材料 |
| 說(shuō)明 | 20°C時(shí)的物理性能:(其他溫度的物理性能數(shù)據(jù)參見(jiàn)原件附錄表A.2) 動(dòng)態(tài)彈性模量(GPa):199;20°C~200°C熱膨脹系數(shù)(10 -6 K -1):13.4 ;熱導(dǎo)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(dòng)態(tài)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(shù) | 熱導(dǎo)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 |