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Description

China GBT 6J24 Resistance alloy and 6J24 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: 6J24
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy 6J24 GBT China Resistance alloy
4J50
4J58
4J78
4J80
4J82
6J10
6J15
6J20
6J22
6J23

Chemical composition(mass fraction)(wt.%) of the 6J24

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Al(%) Fe(%)
0.04 0.90-1.50 1.00-3.00 0.010 0.010 19.0-21.5 Bal 2.0-3.2 <0.5

Mechanical Properties of steel grade 6J24

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)
474 (≥) 593 (≥) 43 32 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 313

Physical Properties of steel grade 6J24

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
44 - -     0.14 -  
645 341 - 34.3 214   -  
325 - 22 12.2   112 324

Heat Treatment of steel grade 6J24

Heat treated : 1678°C - 1287°C

Technological Curves of steel grade 6J24

Cross Reference Table (Equivalent Grade) of 6J24

Grade Standard Country Application
6J24 GBT China Resistance alloy

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