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Sandvik Kanthal 145 R 19 Thermostatic bimetal
Categories: Metal; Superalloy; Iron Base

Material Notes: KANTHAL 145 R 19 is a thermostatic bimetal which is recommended for use in the temperature range -20 to +250 °C.In extreme cases it can be used at temperatures up to a maximum of +400 °C.

Typical applications for KANTHAL 145 R 19 are in circuit breakers, motor protection units, ammeters etc.

High-expansive component: 15-7 Alloy(440 Designation, 46% of thickness)

Low-expansive component: Invar 145 Alloy (430 Designation, 46% of thickness)

Intermediate component: Copper (470 Designation, 8% of thickness)

Information provided by Sandvik

Composition:

  • High-expansive component: Designation 440; 6.9% Mn; 17% Ni; 76.1% Fe
  • Low-expansive component: Designation 430; 0.3% Mn; 36.5% Ni; Bal. Fe
Vendors:
Available Properties
  • Density
  • Hardness, Vickers, Low-expansive component
  • Hardness, Vickers, High-expansive component
  • Hardness, Vickers, Low-expansive component, Cold-worked 20%
  • Hardness, Vickers, High-expansive component, Cold-worked 20%
  • Tensile Strength, Ultimate, Low-expansive component
  • Tensile Strength, Ultimate, High-expansive component
  • Tensile Strength, Yield, High-expansive component
  • Tensile Strength, Yield, Low-expansive component
  • Elongation at Break, High-expansive component
  • Elongation at Break, Low-expansive component
  • Modulus of Elasticity
  • Electrical Resistivity, Bimetal
  • Electrical Resistivity, Bimetal
  • Electrical Resistivity, Bimetal
  • CTE, linear
  • CTE, linear, High-expansive component
  • Specific Heat Capacity
  • Thermal Conductivity
  • Maximum Service Temperature, Air
  • Minimum Service Temperature, Air
  
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