Resistant

Features feheley all types

The characteristics and resistant (pdf)


Cr15Al5 Cr23Al5 Cr21Al6Nb Cr27Al7Mo2
Chemical composition Cr Of 14.2 to 15.5 22,2−24,0 21−23 26.5−27.5
Al 4−6 4.5−6.5 5−7 6−7
Fe Basis Basis Basis Basis
C ≤0.080 ≤0.080 ≤0.080 ≤0.080
Si ≤0.70 ≤0.70 ≤0.70 ≤0.70
Mn ≤0.70 ≤0.70 ≤0.70 ≤0.70
S ≤0.015 ≤0.015 ≤0.015 ≤0.015
P ≤0.030 ≤0.030 ≤0.030 ≤0.030
Mo - - - 1.8−2.2
The maximum temperature continuous operation (°C) 950 1250 1350 1400
Specific resistance at 20 °C (Ω.mm2/m) 1.25±0.05 1.42±0.05 1.45±0.05 1.53±0.05
Density (grams/cm3) 7.1 7.25 7.1 7.1
thermal conductivity (KJ/m*h* °C) 52.7 63.2 46.1 45.2
The coefficient of linear expansion (αx10−6/°C) 15.4 14.7 16.0 16.0
Hardness (H. B.) 200−260 200−260 200−260 200−260
Melting point °C 1450 1500 1510 1520
Elongation at break, % >16 >12 >12 >10
Tensile strength, MPA 588−735 637−784 637−784 686−784
Type of steel ferritic ferritic ferritic ferritic
Magnitnoi properties magnetic magnetic magnetic magnetic

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