2025-09-16 19:04:36 4J38精密合金毛细管硬度是多少?
4J38毛细管硬度HB180-220,Ni38%Fe,仪表封接用,执行GB/T14986。经750℃退火,硬度均匀,400℃硬度保持率≥90%,膨胀系数7.5×10⁻⁶/℃。...
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4J38毛细管硬度HB180-220,Ni38%Fe,仪表封接用,执行GB/T14986。经750℃退火,硬度均匀,400℃硬度保持率≥90%,膨胀系数7.5×10⁻⁶/℃。...
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1J79带材最高耐350℃,350℃磁性能保持率≥90%,Ni79%Mo4%,磁头制造用,执行GB/T15002。初始磁导率≥100000μH/m,适配磁头高精度。...
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2J85毛细管经1100℃×1h固溶+510℃×4h时效,Fe-Co-Ni-Ti,航空传感器用,执行GJB1929。时效后磁能积≥160kJ/m³,消除加工应力。...
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2J31棒材经1100℃×1h固溶+510℃×4h时效,Fe-Co-V硬磁合金,航天永磁体用,执行GJB1929。时效后磁能积≥160kJ/m³,300℃磁性能稳定。...
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4J52管材最高耐400℃,400℃膨胀系数6.5×10⁻⁶/℃,Ni52%Fe,高温封装用,执行GB/T14986。与陶瓷封接强度≥20MPa,适配封装高温。...
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