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The harm of iron pollution to titanium coil pipe
The damage of titanium coil pipe iron pollution to titanium equipment is mainly caused by the formation of brittle ferrotitanium compound during welding and heating, which causes the mechanical properties and corrosion resistance of the weld to decrease. Under the action of corrosive medium, surface iron particles are pitting, And hydrogen embrittlement. Titanium has a linear expansion coefficient of about 2/3 of that of carbon steel, which is equivalent to 50% of stainless steel. The thermal conductivity of titanium is 4.5 times smaller than that of carbon steel and lower than that of stainless steel. Titanium has a remarkable resilience, and its resilience is 2-3 times that of stainless steel.
It is as easy to stick as stainless steel. The tensile strength of titanium decreases with increasing temperature. When the temperature reaches 250 degrees, the tensile strength is only 50% of room temperature. Titanium and titanium alloys have the advantages of low density, high specific strength, good plasticity, toughness and corrosion resistance. With the development of industry, titanium and titanium alloys have been widely used in aviation, aerospace industry, nuclear industry, marine engineering, petrochemical, light industry, food processing, metallurgy, electric power, medical and health industries.
Titanium equipment Powder metallurgy technology is a process for producing parts by direct molding of powder. It is a high-yield, low-cost method for producing finished parts. This method basically does not require further processing or finishing and can be well controlled. Dimensions, and the stability of the components is excellent, and its uniformity and mechanical properties can be completely guaranteed. Ti and Ti alloy parts produced by powder metallurgy have no component segregation, uniform structure and stable performance.
By adding an appropriate amount of fine powder and increasing the content of the lubricant or binder, the fluidity, filling properties and forming ability of the titanium reactor mixed powder can be improved, and thus can be used for manufacturing parts with complicated geometric shapes (such as undercuts, threaded holes, etc.). , has a very broad development prospects.
GR1, GR2 Titanium pipe stock