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Description

China GBT 4J32 expansionalloy and 4J32 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: 4J32
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy 4J32 GBT China expansionalloy
3J40
3J53
3J53P
3J53Y
3J58
3J60
3J63
4J06
4J28
4J29

Chemical composition(mass fraction)(wt.%) of the 4J32

C(%) Si(%) Mn(%) P(%) S(%) Ni(%) Cu(%) Co(%) Fe(%)
0.05 ≤0.20 0.20-0.60 0.020 0.020 31.5-33.0 0.4-0.8 3.2-4.2 Bal

Mechanical Properties of steel grade 4J32

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)
189 (≥) 815 (≥) 41 41 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 344

Physical Properties of steel grade 4J32

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 - -     0.21 -  
947 451 - 33.3 422   -  
412 - 21 11.2   341 114

Heat Treatment of steel grade 4J32

Heat treated : 1252°C - 1521°C

Technological Curves of steel grade 4J32

Cross Reference Table (Equivalent Grade) of 4J32

Grade Standard Country Application
4J32 GBT China expansionalloy

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