| 牌號(hào) | NiCr15Fe7TiAI |
| 2.4669 | |
| 對(duì)應(yīng)標(biāo)準(zhǔn) | NF EN 10269-1999
用于高溫或低溫條件下的緊固件用鋼及鎳合金 |
| 歸類 | 鎳及鎳合金 |
| 密度 | 8.2 g/cm3 |
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交付條件下在高溫下的最小屈服強(qiáng)度
Material designation Heat treatment
conditionDiameter
d
mmMinimum 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 NiCr15Fe7TiAI 2.4669 +AT+P d≤25 625 620 615 610 606 601 596 592 587 582 578 573 565
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交付條件下在高溫下的最小抗拉強(qiáng)度
Material designation Heat treatment
conditionDiameter
d
mmMinimum 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 NiCr15Fe7TiAI 2.4669 +AT+P d≤25 1117 1103 1096 1090 1082 1075 1055 1035 1000 975 950 896 827
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低溫最小沖擊吸收能量（縱向）
Material designation Heat treatment
conditionDiameter
d
mmMinimum fracture energy in shock bending (in J) (ISO-V specimens) at a temperature (in ℃) of: Name Number -270 -196 -160 -140 -120 -110 -100 -90 -80 -70 -60 -50 -40 -20 0 +20 NiCr15Fe7TiAI 2.4669 +AT+P d≤25 - 20 - - - - - - - - - - - - - 22
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符合本歐洲標(biāo)準(zhǔn)的產(chǎn)品熱處理指南
Material designation Heat treatment
conditionNormalizing,quenching
or solution annealing
temperature
°CType of
cooling①Tempering or
precipitation
treatment (and time)
°C①Name Number NiCr15Fe7TiAI 2.4669 +AT+P 1100 to 1200 a 840 to 870,24 h,a)
+
700 to 710,16 h,a)◎ 根據(jù)原件相關(guān)規(guī)定蟹略，如果允許矯直后消除應(yīng)力，應(yīng)選擇消除應(yīng)力的溫度遏佣，以獲得規(guī)定的性能挖炬。 ① a=air; o=oil; w=water
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物理性能
各溫度°C時(shí)靜態(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 215 208 200 192 183 175 165 150 131 12.6 13 13.4 13.9 14.4 14.8 12 431 n.a. n.a.: no values available
-
蠕變性能
Designation Temperature Strength for
1% (plastic)
creep strain ①Creep rupture
strength for ②Name Number °C 10000h 100000h 10000h 100000h 200000h NiCr15Fe7TiAI 2.4669 500 790 650 800 659 - 550 596 477 605 488 - 600 425 345 440 360 - 650 325 258 340 265 - 700 245 75 255 135 - 750 65 16 123 61 - 800 15 4 60 28 - ◎ The values given in this table are the mean values of the scatter band so far obtained, which will be checked from time to time as further test results become available and if necessary corrected.
◎ * and () indicate values of extended stress extrapolation or time extrapolation, respectively.
① This is the stress relative to the initial cross- section leadina to a permanent elongation of 1 % after 10000 h and 100000 h.
② This is the stress relative to the initial cross- section leading to fracture after 10000 h, 100000 h and 200000 h.
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