What is TC4 (Ti6Al4V) Titanium Alloy Material
The spread of the novel coronavirus is taking a direct hit on the operations of airlines in Asia. About 500,000 flights taking off and landing in mainland China have been canceled since January, according to aviation information company Cerium. Tourists and business trips have plummeted. On the booking website, there are a large number of air tickets for local routes with a price reduction of nearly 90% compared with the original price and only tens of yuan for a one-way trip.
In February, China's aviation industry recorded its largest single-month loss of 24.59 billion yuan, of which airlines lost 20.96 billion yuan.
Data from the Civil Aviation Administration of China showed that in February, the number of passengers traveling by air fell 84.5% year-on-year to 8.34 million.
The stagnation of the Asian aviation industry has brought volatility to Ti6Al4V Powder.
What is TC4(Ti6Al4V)?
TC4(Ti6Al4V) alloy is a medium strength α-β type two-phase titanium alloy
containing 6% α-stabilizing element AI and 4% β-stabilizing element V. This
alloy has excellent comprehensive properties and has obtained the most extensive
applications in the aviation and aerospace industries. The long-term working
temperature of the alloy can reach 400 ℃. In the aviation industry, it is mainly
used to manufacture the fan and compressor disks and blades of the engine, as
well as the important load-bearing components such as beams, joints and
bulkheads in the aircraft structure.
The main semi-finished products of TC4 titanium alloy are bars, forgings,
thick plates, thin plates, profiles and wires, etc. The alloy is mainly used in
the annealed state, and can also be strengthened by solution aging treatment,
but the hardened cross section is generally not more than 25mm.
The alloy has good process plasticity and superplasticity, and is suitable
for various pressure forming. The alloy can also be welded and machined in
TC4(Ti6Al4V) heat treatment system
Plate: 700-850℃, 0.5-2h, air cooling; bar and forging: 700-800℃, 1-2h, air
2. Vacuum annealing
700-800°C, 0.5-2h, the furnace is cooled to below 200°C to allow air cooling.
The absolute pressure in the furnace should be no more than 0.09Pa.
3. Solution treatment
910-940℃, 0.5-2h, water quenching.
520-550°C, 2-4h, air cooling.
5. Stress relief annealing
Complete stress relief annealing: 600-650℃, 1-4h, air cooling; incomplete
stress relief annealing: 500-600℃, 0.5-3h, air cooling. Stress relief annealing
can be carried out in an air furnace or a vacuum furnace.
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According to the bank of Spain's latest forecast data, the average inflation is expected to hit 7.6% in 2022, but the average wage increase for workers in this country is expected to be less than 4% in 2022.
If the Bank of Spain's forecast comes true, the gap between price and wage growth in Spain in a single year will be the largest since 1984.
Prices in Spain rose 9.8% year on year in March 2022 and average wages rose 2.4% year on year, with the Bank of Spain forecasting that the country's inflation rate will improve from July.
Recent changes in the international situation have had a big impact on commodity and energy prices. How the prices of the Ti6Al4V Powder will develop in the future is still uncertain.