ZIRCHROM 50

Range
Sintered
Subtitle

Sintered 50% chrome-alumina and AZS

Description

High corrosion resistance.

Chemical and physical properties

Typical chemical composition

 
 

Typical crystallographic analysis

  • Cr2O- Al2O3 solid solution
  • Corundum
  • Monoclinic zirconia

Physical characteristics

Description International standards British standards
Cold crushing strength 150MPa 21,756psi
Coefficient of thermal expansion at 1,000°C 8 10-6°C 4.4 10-6°F-1
Thermal conductivity at 1,000°C 2.1 W.m-1.K-1

14.6 BTU
in hr-1ft-2°F-1

Open porosity 15% 15%
Typical bulk density 3.55g/cm3 222pcf

Typical application

ZIRCHROM 50 is mainly used for glass contact and superstructure application for insulation glass furnaces.

For crown application, refer to ZIRCHROM HC.

Also a potential material for overcoating applications.

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Expendables

ZIRCHROM 85

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Very high corrosion resistance with high thermal-mechanical properties.

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ZIRCHROM HC

Sintered 30% chrome-alumina

High creep resistance with low chrome sublimation level. Good resistance to vapour environment.