| 牌號 | X4CrNi 18-12 |
| 歐標(biāo)鋼號 | 1.4303 |
| 對應(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 | 強度 耐腐蝕 |
| 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 X4CrNi18-12 1.4303 +AT d≤160 177 155 140 127 118 110 104 98 95 92 90 - - -
交付條件下在高溫下的最小抗拉強度
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 X4CrNi18-12 1.4303 +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 X4CrNi18-12 1.4303 +AT d≤160 - 60 - - - - - - - - - - - - - 100 +C700 d≤35 - 50 - - - - - - - - - - - - - 80 -
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 X4CrNi 18-12 1.4303 +AT 1000 to 1100 a,w - -
物理性能
n.a.-no values available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 200 194 186 179 172 165 - - - 16 16.5 17 17.5 18 n.a. 15 500 0.73
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