A kind of ta10 titanium alloy coil cold rolling method
A titanium alloy and coil technology, applied in metal rolling, furnace, heat treatment equipment and other directions, can solve the problems of long production cycle, poor surface quality and high cost, and achieve the effect of improving product performance, good surface quality and saving time.
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Embodiment 1
[0026] A kind of TA10 titanium alloy coil cold rolling method, concrete steps are as follows:
[0027] (1) The material of this embodiment is TA10 titanium alloy. First, the 3.5mm thick TA10 titanium alloy coil after hot rolling is annealed, wherein the annealing temperature is 720°C, and the holding time is 4h; the furnace pressure is 3.5KPa during heating, The pressure during the heat preservation and cooling process is 0.8KPa and the positive pressure is always maintained in the furnace, and the flow rate is 50m when the temperature rises. 3 Argon gas per hour, the flow rate of the heat preservation and cooling stages is 12m 3 / h of argon, cooled to 70°C with the furnace, and then air-cooled to 20°C.
[0028] (2) Shot blasting and pickling are carried out after annealing. During pickling, the concentration of HF is 45g / L, HNO 3 The concentration is 145g / L, put the prepared pickling solution into the 3# pickling tank first, HF:HNO 3 The volume percentage is 1:5; then it f...
Embodiment 2
[0035] A kind of TA10 titanium alloy coil cold rolling method, concrete steps are as follows:
[0036] (1) The material of this embodiment is TA10 titanium alloy. First, the 3.0mm thick TA10 titanium alloy coil after hot rolling is annealed, wherein the annealing temperature is 680°C, and the holding time is 3h; when the temperature is raised, the pressure in the furnace is 3.8KPa, The pressure during the heat preservation and cooling process is 1KPa and the positive pressure is always maintained in the furnace, and the flow rate is 45m when the temperature rises. 3 Argon gas per hour, the flow rate of the heat preservation and cooling stages is 8m 3 / h of argon, cooled to 75°C with the furnace, and then air-cooled to 25°C.
[0037] (2) Shot blasting and pickling are carried out after annealing. During pickling, the concentration of HF is 45g / L, HNO 3 The concentration is 145g / L, put the prepared pickling solution into the 3# pickling tank first, HF:HNO 3 The volume percent...
Embodiment 3
[0044] A kind of TA10 titanium alloy coil cold rolling method, concrete steps are as follows:
[0045](1) The material in this example is TA10 titanium alloy. Firstly, the hot-rolled 3.2 mm thick TA10 titanium alloy coil is annealed, wherein the annealing temperature is 740° C., and the holding time is 5 hours. The pressure in the furnace is 4KPa when the temperature rises, and the pressure during the heat preservation and cooling process is 1.2KPa and the furnace maintains a positive pressure all the time. The flow rate is 56m when the temperature rises. 3 Argon gas per hour, the flow rate of the heat preservation and cooling stages is 15m 3 / h of argon, cooled to 60°C with the furnace, and then air-cooled to 20°C.
[0046] (2) Shot blasting and pickling are carried out after annealing. During pickling, the concentration of HF is 55g / L, HNO 3 The concentration is 155g / L, put the prepared pickling solution into the 3# pickling tank first, HF:HNO 3 The volume percentage is 1...
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