| 牌號(hào) | X6CrNi 18-10 |
| 歐標(biāo)鋼號(hào) | 1.4948 |
| 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 | 奧氏體不銹鋼 |
| 性能 | 耐腐蝕 |
| 標(biāo)簽 | 奧氏體抗蠕變鋼 |
| 密度 | 7.9 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 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 X6CrNi18-10 1.4948 +AT d≤160 174 157 142 127 117 108 103 98 93 88 83 78 -
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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 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 X6CrNi18-10 1.4948 +AT d≤160 480 450 420 400 390 380 380 380 375 360 335 300 - -
在交付條件下的最小沖擊吸收能量（縱向）
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 X6CrNi18-10 1.4948 +AT d≤35 - 60 - - - - - - - - - - - - - 100 -
符合本歐洲標(biāo)準(zhǔn)的產(chǎn)品熱處理指南
a-air w-waterMaterial designation Heat-treatment symbol Normalizing,quenching or solution annealing temperature °C Type of cooling Tempering or precipitation treatment (and time)°C Name Number X6CrNi18-10 1.4948 +AT 1000 to 1080 a,w -
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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 200 194 186 179 172 165 - - - 16.3 16.9 17.3 17.6 18.2 18.5 16 450 0.71
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