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Gr 7

The flanges are ideal for the highly corrosive environment because they are better than the other grades.  They are resistant to the crevice and general corrosion. The alloy can withstand chloride ion bearing environments. It has excellent weldability. The flanges retain good strength and ductility over a wide range of temperature. It has similar mechanical properties to grade 2, but the addition of palladium enhances the toughness of the material. The flanges are found in the following types slip-on, reducing, spectacle, SORF, threaded, blind, long weld neck, threaded, raised face, and lap joint. The common classes are 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64, PN100, and PN160.

 

Properties of titanium grade 7 flanges

Mechanical- The alloy has a tensile strength of 950MPa while the yield strength is 880MPa. The elongation capacity of the material is 15%. It has a density of 4.43g/cm3. The melting point of the alloy is around 16300 C.

Chemical- The elements found in this grade include oxygen, nitrogen, carbon, hydrogen, and palladium.

 

Application

  • Aerospace engineering.
  • Water vessels.
  • Military equipment.
  • Seawater treatment.
  • Medical field.

 

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