| 牌号 | X7CrNiMoBNb 16-16 |
| 歐标鋼号 | 1.4986 |
| 對應标準 | EN 10269-2013
規定高溫和/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 | 奧氏體不鏽鋼 |
| 性能 | 耐腐蝕 |
| 标簽 | 耐熱不鏽鋼 |
| 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 X7CrNiMoBNb16-16 1.4986 +WW+P d≤100 489 470 451 432 412 393 372 353 334 314 284 255 206 -
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 X7CrNiMoBNb16-16 1.4986 +WW+P d≤100 635 615 590 570 550 530 505 485 460 440 420 395 375 -
符合本歐洲标準的產品熱處理指南
Material designation Heat-treatment symbol Normalizing,quenching or solution annealing temperature °C Type of cooling Tempering or precipitation treatment (and time)°C Name Number X7CrNiMoBNb 16-16 1.4986 +WW+P g - 750 to 800(5 to 1h),a g-Warm worked form 750°C to 850°C a-air(空冷)
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1%(塑性)蠕變強度和蠕變斷裂強度
Material designation Temperature °C Strength for 1%(plastic) creep strain Creep rupture strength for Name Number 10000h MPa 100000h MPa 10000h MPa 100000h MPa 200000h MPa X7CrNiMoBNb 16-16 1.4986 580 358 302 381 323 - 590 336 278 364 298 600 324 255 344 275 610 306 230 325 251 620 287 204 306 228 630 268 179 287 204 - 640 247 153 267 181 650 226 128 245 157 660 204 104 104 133 670 182 85 85 113 -
物理性能
n.a.-no values available各溫度°C時靜态彈性模量 20°C與各溫度間熱膨脹系數 熱導率 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 196 192 186 181 174 165 157 147 - 16.6 17.7 17.9 17.9 17.9 18.1 15 460 n.a.
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