Machining method for thin-walled titanium pipe
A processing method and technology of titanium tubes, applied in coating and other directions, can solve the problems of high cold deformation resistance, poor surface quality, and uneven wall thickness of titanium alloys, and achieve the effects of uniform tissue arrangement, good surface quality, and sufficient annealing
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Embodiment 1
[0020] A processing method for a thin-walled titanium tube, comprising the following steps:
[0021] (1) Making blanks: the raw materials are prepared by forging and then extruding to obtain titanium tube blanks; the raw materials are C: 1-2%, S: 0.3-0.6%, Si: 0.5-1.2%, Zr: 0.8% , Sn: 1.2%, Pt: 0.4%, the balance is Ti and unavoidable impurities.
[0022] (2) Rolling: use a cold press to roll the titanium tube blank for multiple passes, and perform degreasing treatment and annealing treatment after each rolling. The annealing treatment is specifically: under vacuum conditions, the titanium tube blank Rapidly heat up to 280-320°C, keep warm for 10-15min; slowly heat up to 650-750°C, keep warm for 30-60min; then quickly cool to 280-320°C, keep warm for 10-15min; cool to room temperature;
[0023] (3) Surface treatment: Soak the rolled titanium tube billet in the surface treatment solution for 10-15 minutes, and dry it to obtain a thin-walled titanium tube. The surface treatment...
Embodiment 2
[0028] A processing method for a thin-walled titanium tube, comprising the following steps:
[0029] (1) Making blanks: the raw materials are prepared by forging and then extruding to obtain titanium tube blanks; the raw materials are C: 1-2%, S: 0.3-0.6%, Si: 0.5-1.2%, Zr: 0.8% , Sn: 1.2%, Pt: 0.4%, the balance is Ti and unavoidable impurities.
[0030] (2) Rolling: use a cold press to roll the titanium tube blank for multiple passes, and perform degreasing treatment and annealing treatment after each rolling. The annealing treatment is specifically: under vacuum conditions, the titanium tube blank Rapidly heat up to 280-320°C, keep warm for 10-15min; slowly heat up to 650-750°C, keep warm for 30-60min; then quickly cool to 280-320°C, keep warm for 10-15min; cool to room temperature;
[0031] (3) Surface treatment: Soak the rolled titanium tube billet in the surface treatment solution for 10-15 minutes, and dry it to obtain a thin-walled titanium tube. The surface treatment...
Embodiment 3
[0035] A processing method for a thin-walled titanium tube, comprising the following steps:
[0036] (1) Making blanks: the raw materials are prepared by forging and then extruding to obtain titanium tube blanks; the raw materials are C: 1-2%, S: 0.3-0.6%, Si: 0.5-1.2%, Zr: 0.8% , Sn: 1.2%, Pt: 0.4%, the balance is Ti and unavoidable impurities.
[0037] (2) Rolling: use a cold press to roll the titanium tube blank for multiple passes, and perform degreasing treatment and annealing treatment after each rolling. The annealing treatment is specifically: under vacuum conditions, the titanium tube blank Rapidly heat up to 280-320°C, keep warm for 10-15min; slowly heat up to 650-750°C, keep warm for 30-60min; then quickly cool to 280-320°C, keep warm for 10-15min; cool to room temperature;
[0038] (3) Surface treatment: Soak the rolled titanium tube billet in the surface treatment solution for 10-15 minutes, and dry it to obtain a thin-walled titanium tube. The surface treatment...
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