Forging temperature requirements for different grades of titanium alloys

TA7
The alpha+beta phase transition temperature of this alloy is 930-970 ℃, and the beta phase transition temperature is 1040-1090 ℃. The forging temperature range for ingot opening is 1180-900 ℃, and the allowable deformation degree is 30-50%.
TA13
The beta phase transition temperature of this alloy is 895 ± 10 ℃. The forging temperature range for ingot opening is 1050-750 ℃, the pre forming temperature is 950-700 ℃, and the hammering temperature is 880-700 ℃.
TC4
This is a commonly used titanium alloy with an alpha+beta phase transition temperature of 980-1010 ℃. The forging temperature range for ingot opening is 1200-850 ℃, the pre forming temperature is 1000-800 ℃, and the hammering temperature is 980-800 ℃.
TC6
The α+β phase transition temperature of this alloy is 980 ± 20 ℃. The forging temperature range for ingot opening is 1150-850 ℃, the pre forming temperature is 1050-800 ℃, and the hammering temperature is 950-800 ℃.
TC11
The α+β phase transition temperature of this alloy is 1000 ± 20 ℃. The forging temperature range for ingot opening is 1200-900 ℃, the pre forming temperature is 980-800 ℃, and the hammering temperature is 980-850 ℃.
TB6
This is a near beta titanium alloy with an alpha+beta phase transition temperature of 800 ± 15 ℃. The forging temperature range for ingot opening is 1150-850 ℃, the pre forming temperature is 840-700 ℃, and the hammering temperature is 800-680 ℃.
When forging different grades of titanium alloys, it is also necessary to consider various requirements such as ingot preparation, heating, forging process, heat treatment process, machining, polishing, ingot number management, ultrasonic testing, sawing, sampling, etc. In addition, the forging process performance of titanium alloys is also affected by alloy elements and impurity elements, so it is necessary to strictly control the chemical composition and impurity content.