牌號 | NiCr20TiAl |
德國W-Nr. | 2.4952 |
對應(yīng)標(biāo)準(zhǔn) | DIN EN 10269-2014
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 | 鎳及鎳合金 |
性能 | 強(qiáng)度 耐腐蝕 |
標(biāo)簽 | 高溫鎳合金 使用溫度800°C 緊固件高溫材料 |
說明 | 20°C時(shí)的物理性能:(其他溫度的物理性能數(shù)據(jù)參見原件附錄表) 動態(tài)彈性模量(GPa):216抵乓;20°C~100°C熱膨脹系數(shù)(10 -6 K -1):12.9 ;熱導(dǎo)率(W/m.K):11.4;比熱容(J/kg.K):460碍扔;電阻率( Ω.mm 2/m):1.24 —本歐洲標(biāo)準(zhǔn)規(guī)定了非合金和合金(包括不銹鋼)鋼和鎳合金制成的在高溫和/或低溫下具有指定性能的緊固件的半成品凛澎、棒材的要求竞漾。 —本標(biāo)準(zhǔn)的要求也適用于成品緊固件 —EN 10021中的一般交貨技術(shù)條件也適用于按照本標(biāo)準(zhǔn)提供的產(chǎn)品康逝。 |
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 |
a-air(空冷)
各溫度°C時(shí)動態(tài)彈性模量 | 20°C與各溫度間熱膨脹系數(shù) | 熱導(dǎo)率 | 比熱容 | 電阻率 | |||||||||||||
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 |