牌号 | X12Ni 5 |
欧标钢号 | 1.5680 |
对应标准 | EN 10269-2013
规定高温和/或低温性能的紧固件用钢和镍合金 Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties |
归类 | 合金钢 |
标签 | 调质型钢 镍合金钢 |
密度 | 7.85 g/cm3 |
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 | ||
X12Ni5 | 1.5680 | (+N),+NT | d≤40 | - | - | - | - | 40 | 45 | 50 | 55 | 60 | 60 | 65 | 65 | 65 | 70 | 70 | 70 |
40<d≤75 | - | - | - | - | - | - | - | 50 | 55 | 60 | 60 | 65 | 65 | 65 | 70 |
Material designation | Heat-treatment symbol | Normalizing,quenching or solution annealing temperature °C | Type of cooling | Tempering or precipitation treatment (and time) °C | |
Name | Number | ||||
X12Ni5 | 1.5680 | +N | 800 to 850 | a | - |
+QT | 800 to 850 | a | 580 to 660 |