Project Description

0Cr23Al6Y

0Cr23Al6Y is a kind of new high temperature resistance alloy which has great ability of carburizing resistance. Through adding rare earth Y and other element combines, explore Kanthal A-1 alloy to improve, finally succeed in producing resistance heating alloy 0Cr23Al6Y, its ability is better than 0Cr21Al6Nb and 0Cr27Al7Mo2, reach Kanthal lever.

Specifications

GB/T 1234-1995 (CN)

Product Forms

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

Chemical Composition, %

AlloyCSiMnPSCrNiAlFeOther
0Cr23Al6Y≤0.12≤1.00≤0.70≤0.025≤0.02520.5~23.5≤0.604.5~6.5BalAdd La+Ce, Co, Ti, Nb, Y, Zr, Hf ect, total 0.04~1.00

Mechanical Properties (RT, Annealed)

Tensile Strength, Rm/MPaElongation, A/%
Dia. >3.00mm (for wire)Dia. 0.10~3.00mm (for wire) and Th. >0.20 (for strip)
≥700≥16≥13

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
135015107.101.440.4950.016.0FerriticMagnetic

Life Test

Test Temperature, ℃Continuous Service Time Hours, ℃
1350≥76.2

Temperature Factor of Resistivity

20℃100℃200℃300℃400℃500℃600℃700℃800℃900℃1000℃1100℃1200℃1300℃
1.0000.9950.9960.9930.9910.9900.9900.9980.9800.9780.9700.9680.967–

Features

  • High resistivity
  • Low temperature coefficient of electric resistance
  • High operating temperature
  • Good oxidation resistance
  • Carburizing resistance under high temperature

Applications

  • Heating elements in high temperature furnaces for heat treatment ceramics, glass, steel and electronics industries