Nimonic 75A高温合金板,GH3030/GH30,圆棒,锻棒,板材,锻件,无缝管,丝材

Nimonic 75A固溶强化型高温合金（13524351833）

对应中国牌号新牌号GH3030，旧牌号GH30高温合金

该合金是80Ni-20Cr固溶强化型高温合金，化学成分简单，在800℃以下具有满意的热强性和高的塑性，并具有良好的抗氧化、热疲劳、冷冲压和焊接工艺性能。合金经固溶处理后为单相奥氏体，使用过程中组织稳定。主要用于800℃以下工作的涡轮发动机燃烧室部件和在1100℃以下要求抗氧化但承受载荷很小的其他高温部件。

化学成分：

C(％): 0.80～0.15

Si(％): ≤1.00

Mn(％): ≤1.00

P(％)≤: 0.020

S(％)≤: 0.015

Cr(％): 18.0～21.0

Ni(％): ≥72.0

Mo(％): —

其他(％): Co≤5.0,Al≤0.30,Ti 0.20～0.60,B≤0.006,Fe≤5.0,Cu≤0.50

高温合金性能：良好的焊接性能\良好的加工性能\良好的耐腐蚀性能\良好的机械性能\良好的耐高温性能

典型应用：航空紧固件\燃气轮机工程\工业炉结构件\热处理设备\核工程

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