The Difference Of Pure Titanium Bolts And Titanium Alloy Bolts

When choosing titanium bolts, we need to choose titanium material first, pure titanium or titanium alloy. Let's take a look at the difference between pure titanium bolts and titanium alloy bolts:


Pure titanium contains at least 98% titanium and small amounts of impurities such as oxygen, nitrogen, hydrogen, carbon, silicon and iron. Pure titanium bolts has low density, high hardness, high melting point, strong corrosion resistance. Due to its stable chemical properties, good high temperature resistance, low temperature resistance, strong acid resistance, strong alkali resistance, as well as high strength, low density, titanium known as the "space golden house". High purity titanium bolts also have good plasticity. So pure titanium bolts are mainly used in chemical industry and electroplating industry, which need good corrosion resistance and electrical conductivity.


Titanium alloy is the alloy material which is based on titanium and consists of other strengthening elements, such as aluminum, nickel, chromium, copper, etc., in order to obtain higher strength, corrosion resistance and high temperature resistance. The commonly used titanium alloy is Ti6Al4V. The density of titanium alloys is generally around 4.51g/ cm3, which is only 60% of that of steel. Some high strength titanium alloys exceed the strength of many alloy structural steels. Therefore, the specific strength (strength/density) of titanium alloy is much higher than that of other metal structural materials, which can produce titanium components with high unit strength, good rigidity and light weight. Aircraft engine components, skeleton, skin, compact parts and landing gear are made of titanium alloy. Grade5 titanium bolts mainly used in aerospace, racing car, motorcycle and bicycle.

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