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Nimonic90是什么材質(zhì)

更新時(shí)間：2021-12-22點(diǎn)擊次數(shù)：1420

Nimonic90

一種可沉淀硬化的鎳鉻鈷合金，在高達(dá)約 950 o C (1740 o F) 的高溫下具有高應(yīng)力斷裂強(qiáng)度和抗蠕變性。它被廣泛使用并且是一種在高溫條件下經(jīng)過(guò)充分驗(yàn)證的合金。

Nimonic® 90 也稱為 Superimphy 90、Pyromet 90 和 Udimet 90。

化學(xué)成分規(guī)格名稱主要特點(diǎn)典型應(yīng)用
元素低百分比最大限度 ％
你巴爾
鉻18.0021.00
鐵——1.50
鈦2.003.00
錳——1.0
硅——1.0
C——0.13
鋁1.002.00
公司15.0021.00
秒——0.015
銅——0.20
乙——0.02
鉛——0.002
鋯——0.15
銀——0.0005
雙——0.0001
AMS 5829
BS HR 501
BS HR 502
BS HR 503
BS 3075 NA 19
ISO 15156
(NACE MR 0175)
NCK 20TA		W.Nr 2.4632
W.Nr 2.4969
UNS N07090
AWS 030		高溫下的高應(yīng)力斷裂強(qiáng)度和高抗蠕變性
良好的抗高溫腐蝕和氧化
性 時(shí)效硬化
高溫動(dòng)態(tài)應(yīng)用▲		航空緊固件
密度8.18g/cm30.296 磅/英寸3
熔點(diǎn)1370°C2500°F
膨脹系數(shù)12.7 μm/m °C (20 – 100°C)7.1 x 10 -6英寸/英寸°F (70 – 212°F)
剛性模量82.5 kN/mm211966 ksi
彈性模量
（退火 + 時(shí)效）
（彈簧回火 + 時(shí)效）		213 kN/mm2
227 / 240 kN/mm2		30894 ksi
32924 / 34810 ksi
成品件的熱處理
合金線提供的條件類型溫度時(shí)間（小時(shí)）冷卻
℃華氏度
退火年齡硬化75013804空氣
彈簧回火年齡硬化65012004空氣
彈簧回火年齡硬化600111016空氣
特性
狀況大約 抗拉強(qiáng)度大約 工作溫度
牛/平方毫米克西℃華氏度
退火800 – 1000116 – 145————
退火 + 時(shí)效1200 – 1400174 – 203高達(dá) 550高達(dá) 1020
彈簧回火1200 – 1500175 – 218————
彈簧回火 + 老化1500 – 1800218 – 261高達(dá) 350高達(dá) 660

上述拉伸強(qiáng)度范圍是典型的。如果您需要不同的請(qǐng)?jiān)儐?wèn)。


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