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Description

China GBT 1Cr20Al3 High resistance alloys for electrical heating and 1Cr20Al3 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: 1Cr20Al3
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy 1Cr20Al3 GBT China High resistance alloys for electrical heating
TAC-1
TAC-1B
IC6
IC6A
MX246
MX246A
1Cr13Al4
0Cr25Al5
0Cr23Al5
0Cr21Al6

Chemical composition(mass fraction)(wt.%) of the 1Cr20Al3

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Al(%) Fe(%)
0.10 ≤1.00 0.7 0.025 0.025 18.0-21.0 ≤0.60 3.0-4.2 Bal

Mechanical Properties of steel grade 1Cr20Al3

Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV/Ku (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
253 (≥) 821 (≥) 33 11 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 431

Physical Properties of steel grade 1Cr20Al3

Temperature
(°C)
Modulus of elasticity
(GPa)
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)
Specific thermal capacity
(J/kg·°C)
Specific electrical resistivity
(Ω mm²/m)
Density
(kg/dm³)
Poisson’s coefficient, ν
13 - -     0.11 -  
292 227 - 11.3 342   -  
529 - 22 31.2   124 232

Heat Treatment of steel grade 1Cr20Al3

Heat treated : 1867°C - 1653°C

Technological Curves of steel grade 1Cr20Al3

Cross Reference Table (Equivalent Grade) of 1Cr20Al3

Grade Standard Country Application
1Cr20Al3 GBT China High resistance alloys for electrical heating

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