TIMET TIMETAL® 679 (Ti-11Sn-5Zr-2.25Al-1Mo-0.2Si) Titanium Alloy; Quenched & Aged

Metal,Nonferrous Metal,Titanium Alloy,Alpha/Beta Titanium Alloy




High-Temperature, High-Strength Creep Resistant Alloy

Industry Specifications: USA Aerospace: AMS 4974.

Features: TIMETAL 679 has excellent tensile strength and is creep resistant up to 450°C. It is a three-phase alloy at room temperature, having an alpha + beta + compound field and a maximum temperature of 925°C is recommended. It is nonmagnetic.

Typical heat treatment for this alloy: Solution heat treatment: 900°C for 30 min, air cool. Aging heat treatment: 500°C for 24 hrs, air cool.

Data provided by TIMET.

TIMET TIMETAL® 679 (Ti-11Sn-5Zr-2.25Al-1Mo-0.2Si) Titanium Alloy; Quenched & Aged 物性表
物理性能额定值 (公制)额定值 (英制)测试方法
密度 g/cc lb/in³ Typical
机械性能额定值 (公制)额定值 (英制)测试方法
极限抗拉强度>= MPa >= psi
抗张强度(屈服)>= MPa
@Strain 0.200 %
>= psi
@Strain 0.200 %
伸长率 (断裂)
弹性模量 GPa ksi Typical
Fatigue Strength MPa psi Limit; test specifics not reported
剪切模量 GPa ksi
电气性能额定值 (公制)额定值 (英制)测试方法
电阻率 ohm-cm ohm-cm
热性能额定值 (公制)额定值 (英制)测试方法
线性热膨胀系数 µm/m-°C
@Temperature 20.0 °C
@Temperature 68.0 °F
导热系数 W/m-K BTU-in/hr-ft²-°F
Beta Transus °C °F
构成要素属性额定值 (公制)额定值 (英制)测试方法
Hydrogen, H
Oxygen, O
Calculated as remainder
Zirconium, Zr
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