| 牌號 | X6CrNiMoB17-12-2 |
|---|---|
| 1.4919 | |
| 對應(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 | 奧氏體不銹鋼 |
| 密度 | 8 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 X6CrNiMoB17-12-2 1.4919 +AT d≤160 194 177 162 147 137 127 122 118 113 108 103 98 -
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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 X6CrNiMoB17-12-2 1.4919 +AT d≤160 490 460 440 420 415 410 410 410 405 390 375 350 -
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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 X6CrNiMoB17-12-2 1.4919 +AT d≤160 - 60 - - - - - - - - - - - - - 100
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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)
°CName Number X6CrNiMoB17-12-2 1.4919 +AT 1020 to 1100 w,a② - ◎ 根據(jù)原件相關(guān)規(guī)定，如果允許矯直后消除應(yīng)力，應(yīng)選擇消除應(yīng)力的溫度，以獲得規(guī)定的性能。 ① a=air; o=oil; w=water ② 快速冷卻
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物理性能
各溫度°C時靜態(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 198① 192① 183① 175① 167① 159① 150① 142① - 16.3 16.9 17.3 17.6 18.2 18.5 16 450 0.71 ① 動態(tài)彈性模量
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蠕變性能
Designation Temperature Strength for
1% (plastic)
creep strain ①Creep rupture
strength for ②Name Number °C 10000h 100000h 10000h 100000h 200000h X6CrNiMoB17-12-2 1.4919 550 - - 247 188 172 560 - - 230 172 157 570 - - 213 158 142 580 - - 198 144 129 590 - - 183 130 117 600 - - 168 118 105 610 - - 155 107 94 620 - - 142 96 85 630 - - 130 87 76 640 - - 119 78 68 650 - - 109 70 61 660 - - 99 63 54 670 - - 90 56 48 680 - - 82 50 43 690 - - 75 45 38 700 - - 68 40 34 710 - - 61 36 30 720 - - 56 32 27 730 - - 50 29 24 740 - - 46 26 22 750 - - 41 23 19 760 - - 37 21 17 770 - - 34 19 16 780 - - 31 17 14 790 - - 28 15 13 800 - - 25 14 11 810 - - 23 12 10* 820 - - 21 11 - 830 - - 19 10* - 840 - - 18 - - 850 - - 16 - - ◎ 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.
注：數(shù)據(jù)僅供參考！如有疑問，請?zhí)顚?我要糾錯"！