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Chromium Metal (Cr)-Powder

  • 7440-47-3
  • Cr
  • 2400PD
  • 99.5%
  • D50<5μm
  • 231-157-5
  • Class 4.1
  • UN3089
  • PG III
Availability:


Chromium has high corrosion resistance against many different acids and bases as well as hot gases. Chromium is used as a wear-resistant coating to increase the service life of specific components in combustion equipment. Besides, chromium is often used as a brilliant decorative coating for operating elements on appliances or jewelries.


Properties:

Appearance:silvery metallic

Melting point:2180 K (1907 °C, 3465 °F)

Boiling point:2944 K (2671 °C, 4840 °F)

Density (near r.t.):7.19 g/cm3

when liquid (at m.p.):6.3 g/cm3

Heat of fusion:21.0 kJ/mol

Heat of vaporization:347 kJ/mol

Molar heat capacity:23.35 J/(mol·K)


Application


Most used in stainless steel and other special steel, such as: car parts, tools, tapes, video tapes, kitchen knives and other things.It can enhance the strength of steel and has excellent heat resistance. It is used in the manufacture of superalloys (superheat resistant alloys) and plating for aircraft engines and nuclear power equipment.Chrome plating on metal can prevent rust, also known as keromey, strong and beautiful.



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