TA7
The α+β phase transition temperature of this alloy is 930 to 970°C and the β phase transition temperature is 1040 to 1090°C. The forging temperature range of ingot opening is 1180～900℃, and the permissible deformation is 30～50%.
TA13
The β-phase transition temperature of this alloy is 895±10℃. The forging temperature range of ingot opening is 1050～750℃, preform temperature is 950～700℃, and hammer forging temperature is 880～700℃.
TC4
This is a commonly used titanium alloy with an α+β phase transition temperature of 980 to 1010°C. The forging temperature range for the ingot opening is 950 to 700°C. The hammer forging temperature is 880 to 700°C. The forging temperature range of ingot opening is 1200～850℃, preform temperature is 1000～800℃, and hammer forging temperature is 980～800℃.
TC6
The α+β phase transition temperature of this alloy is 980±20°C. The ingot opening forging temperature range is 1000-800°C. The hammer forging temperature is 980-800°C. The forging temperature range of ingot opening is 1150～850℃, preform temperature is 1050～800℃, and hammer forging temperature is 950～800℃.
TC11
The α+β phase transition temperature of this alloy is 1000±20°C. The ingot opening forging temperature range is 1050-800°C. The hammer forging temperature is 950-800°C. The forging temperature range of ingot opening is 1200～900℃, preform temperature is 980～800℃, and hammer forging temperature is 980～850℃.
TB6
This is a near β-type titanium alloy with an α+β phase transition temperature of 800±15℃. The forging temperature range of the ingot opening is 1150～850℃, the preform temperature is 840～700℃, and the hammer forging temperature is 800～680℃.
When forging different grades of titanium alloys, it is also necessary to consider the ingot preparation, heating, forging process, heat treatment process, machining, grinding, ingot number management, ultrasonic flaw detection, sawing, sampling and other requirements. In addition, the performance of the forging process of titanium alloy will also be affected by the alloying elements and impurity elements, so it is necessary to strictly control the chemical composition and impurity content.
The national standard 'Isothermal forging of titanium alloy Process specification' (GB/T 38964-2020) provides the process specification for isothermal forging of titanium alloy, including the general provisions, requirements, process. These standards provide detailed guidance and specifications for titanium alloy forging to ensure the performance and quality of forgings.
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