Nimonic 75A固溶強(qiáng)化型高溫合金（13524351833）

對(duì)應(yīng)中國(guó)牌號(hào)新牌號(hào)GH3030，舊牌號(hào)GH30高溫合金

該合金是80Ni-20Cr固溶強(qiáng)化型高溫合金，化學(xué)成分簡(jiǎn)單，在800℃以下具有滿意的熱強(qiáng)性和高的塑性，并具有良好的抗氧化、熱疲勞、冷沖壓和焊接工藝性能。合金經(jīng)固溶處理后為單相奧氏體，使用過程中組織穩(wěn)定。主要用于800℃以下工作的渦輪發(fā)動(dòng)機(jī)燃燒室部件和在1100℃以下要求抗氧化但承受載荷很小的其他高溫部件。

化學(xué)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

高溫合金性能：良好的焊接性能\良好的加工性能\良好的耐腐蝕性能\良好的機(jī)械性能\良好的耐高溫性能

典型應(yīng)用：航空緊固件\燃?xì)廨啓C(jī)工程\工業(yè)爐結(jié)構(gòu)件\熱處理設(shè)備\核工程

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