Project Description

Cr15Al5

Cr15Al5 (Х15Ю5) is a kind of high electric resistance precision alloys. It is an Fe-Cr-Al alloy adding Ti 0.2~0.5% for using at temperature up to 1150℃.

Specifications

GOST 10994-74, GOST 12766.1-90, GOST 12766.2-90, ТУ 14-11-245-88

Product Forms

Wire, Bar, Strip, Sheet, Plate, Tube, Mesh, Conveyor belt, Radiant tube heater

Chemical Composition, %

AlloyCSiMnPSCrNiTiAlFe
Cr15Al5≤0.08≤0.70≤0.70≤0.030≤0.01513.5~15.5≤0.600.2~0.64.5~5.5Bal

Mechanical Properties (RT, Annealed)

Tensile Strength, Rm/MPaElongation, A/%Hardness, HB
Dia. >3.00mm (for wire)Dia. 0.10~3.00mm (for wire) and Th. >0.20 (for strip)
≥740≥16≥16150~200

Physical Properties

Max Working Temperature, ℃Melting Point, ℃Density, g/cm3Resistivity, μΩ·m, 20℃Specific Heat, J/g·℃Thermal Conductivity, KJ/m·h·℃Average Coefficient of Linear Expansion, α×10-6/℃ (20~1000℃)Micrographic StructureMagnetic Properties
135015007.281.24-1.340.46048.016.0FerriticMagnetic

Life Test

Test Temperature, ℃Continuous Service Time Hours, ℃
1150≥120

Temperature Factor of Resistivity

20℃100℃200℃300℃400℃500℃600℃700℃800℃900℃1000℃1100℃1200℃1300℃
1.0001.0041.0131.0251.0411.0621.0901.1121.1261.1351.14

Features

  • High resistivity
  • Low temperature coeffcient of electric resistance
  • High operating temperature up to 1350℃
  • Good oxidation resistance under high temperature

Applications

Cr15Al5 (Х15Ю5) is used in home appliances and industrial furnaces.

  • Electrical heating elements in high temperature furnaces for heat treatment
  • Ceramic, glass, steel and electronics industries
  • Terminals to furnace elements
  • Mesh, conveyor belt in furnaces
  • Metal sheathed tubular elements for dishwashers
  • Elements embeded in ceramics for panel heaters
  • Cartridge elements in metal dies
  • Heating cables and rope heaters in defrosting and deicing elements
  • Mica elements used in irons
  • Quartz tube heaters for space heating
  • Industrial infrared dryers
  • Coils on molded ceramic fibre for boiling plates with ceramic hobs
  • Bead insulated coils for panel heaters
  • Suspended coil elements for air heaters in laundry dryers