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Poland PN 04J Steel for determined purposes. Low carbon magnetically soft steel . Grades and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 04J / 04 J
Category Grade Standard Region/Area Standard Content
Metals 04 J PN H84023-02 Poland Steel for determined purposes. Low carbon magnetically soft steel . Grades

Chemical composition(mass fraction)(wt.%) of the 04 J

Element Min Max Similar

Mechanical Properties of steel grade 04 J

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)
436 (≥) 575 (≥) 11 24 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 221

Physical Properties of steel grade 04 J

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
11 - -     0.43 -  
937 979 - 14.3 443   -  
416 - 31 43.2   313 242

Heat Treatment of steel grade 04 J

Heat treated : 1833°C - 1312°C

Technological Curves of steel grade 04 J

Cross Reference Table (Equivalent Grade) of 04 J

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