Project Description

1Cr13Al4

1Cr13Al4 (1.4725) is an iron-chromium-aluminium alloy for use at temperatures up to 950℃.

Equivalent Grades

TrademarkGBGOSTASTMUNSDINW.Nr.NFBSJISSS
Alkrothal 141Cr13Al4Х13Ю4Ⅳ–CrAl 14 41.4725––––

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/%
Dia. >3.00mm (Wire)
Thk. >0.20mm (Strip)		Dia. 0.10-3.00mm (Wire)
Thk. ≤0.20mm (Strip)
≥580≥15≥12

Physical Properties

Max Working Temp., ℃Melting Point, ℃Density, g/cm3Resistivity, μΩ·m 20℃Specific Heat, J/(g•K)Thermal Conductivity, W/(m•K) 20℃Average Coefficient of Thermal Expansion,α×10-6/℃ 20-1000℃Micrographic StructureMagnetic Properties
95014507.401.250.491515.4FerriteMagnetic

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–––

Available Products and Specifications

Rod, Bar, Wire and ForgingsGB/T 1234-2012, ASTM B603-01, DIN 17470-1984, GOST 12766.1-1990, GOST 12766.3-1990, GOST 12766.4-1990, GOST 12766.5-1990
Plate, Sheet and StripGB/T 1234-2012, ASTM B603-01, DIN 17470-1984, GOST 12766.2-1990
Pipe and Tube–
Welding Product–
OthersGOST 10994

Features

  • High resistivity
  • Low temperature coefficient of electric resistance
  • High working temperature
  • Excellent surface oxidation resistance under high temperature as well as in corrosive atmosphere
  • The unique combination of excellent oxidation properties and form stability contributes to long element service life

Applications

  • Heating elements for single crystal diffusion furnaces
  • Powder metallurgy products
  • Sintering furnaces
  • Ceramic calciner
  • High temperature furnace elements up to 1300℃