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

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

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

Element Min Max Similar

Mechanical Properties of steel grade 04 JA

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)
278 (≥) 462 (≥) 13 41 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 322

Physical Properties of steel grade 04 JA

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
33 - -     0.13 -  
482 283 - 31.3 343   -  
564 - 13 12.2   112 233

Heat Treatment of steel grade 04 JA

Heat treated : 1892°C - 1584°C

Technological Curves of steel grade 04 JA

Cross Reference Table (Equivalent Grade) of 04 JA

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