zcuzn25al6fe3mn4是什么材质?

zcuzn25al6fe3mn4是什么材质?
2025-02-17 10:14:50
推荐回答(3个)
回答1:

ZCuZn25Al6Fe3Mn3(25-6-3-3铝黄铜)化学成分力学性能介绍


牌号:ZCuZn25Al6Fe3Mn3(25-6-3-3铝黄铜)

化学成分:

锌:余量

铝:4.5-7

铁:2-4

锰:1.5-4

铜:60-66

铸造方法:S

力学性能:

σb/MPa(kgf/mm2):725

σ0.2/MPa(kgf/mm2):380

δ5(%):10

硬度HBW:1570

主要特性:有很高的力学性能,铸造性能良好,耐蚀性较好,有应力腐蚀开裂倾向,可以焊接

应用:适用高强、耐磨零件,如桥梁支承板、螺母、螺杆、耐磨板、滑块和蜗轮等 含铝量一般不超过11.5%,有时还加入适量的铁、镍、锰等元素,以进一步改善性能。铝青铜可热处理强化,其强度比锡青铜高,抗高温氧化性也较好。

含有铁、锰元素的铝青铜有高的强度和耐磨性,经淬火、回火后可提高硬度,有较好的高温耐蚀性和抗氧化性在大气、淡水和海水中抗蚀性很好,可切削性尚可,可焊接不易钎焊,热态下压力加工良好。我国已能量产。

铝青铜具有许多优良的性能。铝青铜具有很高的强度、硬度和耐磨性,常用来制造齿轮坯料、螺纹等零件。铝青铜具有很好的抗蚀性,因此可用来制造耐腐蚀零件,如螺旋桨、阀门等。铝青铜在冲击作用下不会产生火花,可用来制造无火花工具材料。具有优良的导热系数和稳定的刚度,作为模具材料在拉伸、压延不锈钢板式换热器时不会产生粘模、划伤工件等优点,已成为一种新型模具材料。铝青铜具有形状记忆效应,已经作为形状记忆合金得到发展。铝青铜合金价格相对便宜,成为一些昂贵金属材料的部分替代品,如替代锡青铜、不锈钢、镍基合金等。正是由于铝青铜所具有的优良特性,越来越受到喜爱,在民用和军事工业中起着重要的作用。

不推荐采用气焊,因为很难完全消除铝的氧化物有害作用。如果必须采用气焊,则须对焊丝、焊接坡口作彻底清理,使用含氯化盐和氟化盐的熔剂。严格采用中性焰等措施。

焊条电弧焊一般用于铝青铜锻件或铸件的焊补。采用ECuAl-c(即T237)焊条。除薄件(≤3mm)外,需采用70°~90°的V形坡口;薄件常不预热,对于 w(Al)<10%的合金,预热和层间温度一般不应超过150℃。焊接铝含量为10%~13%的铝青铜,厚工件推荐预热和层间温度约260℃,焊件宜快速冷却。采用直流反接,短弧和窄焊道施焊。多层焊时层间必须彻底清渣。

回答2:

ZCuZn25Al6Fe3Mn3铸造铜合金(25-6-3-3)铝黄铜
ZCuZn25Al6Fe3Mn3   材料名称:铸造铜合金(25-6-3-3铝黄铜,砂型)   牌号:ZCuZn25Al6Fe3Mn3   标准:GB/T 1176-1987   ●特性及适用范围:   ZCuZn25Al6Fe3Mn3铸造...
· 品名:铝黄铜
· 牌号:ZCuZn25Al6Fe3Mn3
· ZCuZn25Al6Fe3Mn3
●材料名称:铸造铜合金(25-6-3-3铝黄铜,砂型)   
牌号:ZCuZn25Al6Fe3Mn3  
标准:GB/T 1176-1987   
●特性及适用范围:   ZCuZn25Al6Fe3Mn3铸造铜合金有很高的力学性能,铸造性能良好,耐蚀性较好,有应力腐蚀开裂倾向,可以焊接。ZCuZn25Al6Fe3Mn3铸造铜合金用于适用高强、耐磨零件,如桥梁支承板、螺母、螺杆、耐磨板、滑块和蜗轮等。
ZCuZn25Al6Fe3Mn3铸造铝黄铜
●化学成份:   
铜 Cu :60.0~66.0   
锡 Sn : ≤0.2(杂质)   
锌 Zn:其余   
铅 Pb: ≤0.2(杂质)   
镍 Ni: ≤3.0(不计入杂质总和)   
铝 Al:4.5~7.0   
铁 Fe:2.0~4.0   
锰 Mn:1.5~4.0   
硅 Si : ≤0.10(杂质)   
注:杂质总和 ≤2.0   
●力学性能:   
抗拉强度 σb (MPa): ≥725   
屈服强度 σ (MPa): ≥380   
伸长率 δ5 (%): ≥10   
硬度 : ≥157HB(参考值)   
●热处理规范:加热温度1080~1120℃;浇注温度1000~1050℃。
●铸造方法:砂型铸造

回答3:

ZCuZn25Al6Fe3Mn3属于国标铸造铜合金(25-6-3-3)铝黄铜

ZCuZn25Al6Fe3Mn3执行标准:GB/T 1176-1987

ZCuZn25Al6Fe3Mn3化学成分如下图:

ZCuZn25Al6Fe3Mn3铸造铜合金有很高的力学性能,铸造性能良好,耐蚀性较好,有应力腐蚀开裂倾向,可以焊接。ZCuZn25Al6Fe3Mn3铸造铜合金用于适用高强、耐磨零件,如桥梁支承板、螺母、螺杆、耐磨板、滑块和蜗轮等。

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