Titanium Alloy Sheet

Titanium Alloy Sheet Technical Requirements：

1: The chemical composition of titanium and titanium alloy plate shall comply with the provisions of GB/T 3620.1. In the case of reinspection, the allowable deviation of chemical composition shall comply with the provisions of GB/T 3620.2.  

2: the allowable deviation of the thickness of the plate should comply with the provisions of Table 1.  

3: the allowable deviation of plate width and length should comply with the provisions of Table 2.  

4: the corners of the plate should be cut at right angles as far as possible.  The deviation should not exceed the length and width of the sheet.

Especially of Titanium Alloy Sheet

(1) Higher than the strength  

The density of titanium alloy is about 4.5g/cm3, 60% of that of steel. Therefore, the specific strength of titanium alloy is much higher than that of other metal structural materials, as shown in Table 7-1. It can produce components with high unit strength, good rigidity, and lightweight.  

(2) High thermal strength  

The temperature of titanium alloy is several hundred degrees higher than aluminum alloy and can operate at 450~500℃  for a long time these two types of titanium alloy in the range of 150℃ ~ 500℃ still has high specific strength, and aluminum alloy at 150℃ than the strength decreased significantly.  The working temperature of titanium alloy can reach 500℃, and that of aluminum alloy is below 200℃.  

(3) Good corrosion resistance  

The corrosion resistance of titanium alloy is much better than that of stainless steel when working in a humid atmosphere and seawater medium.  

(4) Good low-temperature performance  

Titanium alloy can keep its mechanical properties at low temperature and ultra-low temperature.   

(5) Chemical activity  

Titanium has high chemical activity and has a strong chemical reaction with O, N, H, CO, CO2, water vapor, and ammonia in the atmosphere.  When the carbon content is greater than 0.2%, hard TiC will be formed in titanium alloy.  When the temperature is higher, the TiN hard surface layer can be formed by the interaction with N.  When hydrogen content increases, an embrittlement layer will also be formed.  The depth of a hard brittle surface produced by gas absorption can reach 0.1 ~ 0.15mm, and the hardening degree is 20% ~ 30%.  Titanium chemical affinity is also a large, easy to friction surface adhesion phenomenon.  

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