Project Description

1Cr13Al4

1Cr13Al4 is an iron-chromium-aluminium alloy (FeCrAl alloy) for use at temperatures up to 950℃.

Equivalent Grades

TrademarksGBJISASTMUNSDINW-Nr.ГОСТBSNFSS
Alkrothal 141Cr13Al4–Ⅳ–CrAl14 41.4725Х13Ю4–––

Specifications

GB/T 1234-1995 (CN); JIS C2520-199(JP); ASTM B344-01(USA); DIN 17470-1984(GER); GOST 10994 & GOST 12766/1-1990 (RU)

Product Forms

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

Chemical Composition, %

AlloyCSiMnPSCrNiAlFe
1Cr13Al4≤0.12≤1.00≤0.70≤0.025≤0.02512.0~15.0≤0.604.0~6.0Bal

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)
≥580≥15≥12200~260

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
95014507.401.250.49052.715.4FerriticMagnetic

Life test

Test Temperature, ℃Continuous Service Time Hours, ℃
950≥80

Temperature Factor of Resistivity

20℃100℃200℃300℃400℃500℃600℃700℃800℃900℃1000℃1100℃1200℃1300℃
1.0001.0051.0141.0281.0441.0641.0901.1201.1321.1421.150–––

Features

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

Applications

1Cr13Al4 is typically used for electrical resistance wire for applications such as heating cables.