1j79是什么材料成分1j79 铁镍软磁合金

a1a3a1a6a6a3a6a8a1a9a9a1J79A.类别高初磁导率坡莫合金B.化学成分化学成分（质量分数）（％）C≤P≤S≤MnSiNiMoCuFe0.030.0200.0200.60-1.100.30-0.5078.5-80.03.80-4.10≤0.20余量C.力学性能电阻率|μΩ·m饱和磁致伸缩系数X10-2布氏硬度HBS抗拉强度MPa屈服强度MPa伸长率（％）冷硬态软态冷硬态软态冷硬态软态冷硬态软态0.5522101201030560980150350D.物理性能在下列温度范围内的线胀系数/（X10-6/K)20-100℃20-200℃20-500℃20-600℃20-700℃20-800℃20-900℃10.3-10.810.9-11.212.3-13.212.7-13.413.1-13.613.4-13.613.2-13