牌号 | X2CrNiMo17-12-2 |
1.4404 | |
对应标准 | NF EN 10269-1999
用于高温或低温条件下的紧固件用钢及镍合金 |
归类 | 奥氏体不锈钢 |
密度 | 8 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 | ||
X2CrNiMo17-12-2 | 1.4404 | +AT | d≤160 | 187 | 165 | 150 | 137 | 127 | 119 | 113 | 108 | 103 | 100 | 98 | - | - |
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 | ||
X2CrNiMo17-12-2 | 1.4404 | +AT | d≤160 | 460 | 430 | 410 | 390 | 385 | 380 | 380 | 380 | 375 | 360 | 335 | - | - |
Material designation | Heat treatment condition | Diameter d mm | Minimum 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 | ||
X2CrNiMo17-12-2 | 1.4404 | +C700 | d≤35 | - | 50 | - | - | - | - | - | - | - | - | - | - | - | - | - | 80 |
Material designation | Heat treatment condition | Normalizing,quenching or solution annealing temperature °C | Type of cooling① | Tempering or precipitation treatment (and time) °C | |
Name | Number | ||||
X2CrNiMo17-12-2 | 1.4404 | +AT | 1020 to 1120 | w,a② | - |
◎ 根据原件相关规定,如果允许矫直后消除应力,应选择消除应力的温度,以获得规定的性能。 | |||||
① a=air; o=oil; w=water | |||||
② 快速冷却 |
各温度°C时静态弹性模量 | 20°C与各温度间热膨胀系数 | 热导率 | 比热容 | 电阻率 | |||||||||||||
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 | 0.75 |
n.a.: no values available |