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Poland PN 04A Steel for determined purposes -- Low carbon steel for plates sheets and strips -- Grades and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 04A / 04 A
Category Grade Standard Region/Area Standard Content
Metals 04 A PN H84023-03 Poland Steel for determined purposes -- Low carbon steel for plates sheets and strips -- Grades

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

Element Min Max Similar
As - 0.0800 -
Al - - -
Si - 0.0200 -
S - 0.0250 -
P - 0.0200 -
O - 0.0300 -
Ni - 0.1000 -
N - 0.0120 -
Mn - 0.2000 -
Cu - 0.1000 -
Cr - 0.1000 -
C - 0.0400 -

Mechanical Properties of steel grade 04 A

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)
315 (≥) 391 (≥) 34 14 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 231

Physical Properties of steel grade 04 A

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
12 - -     0.33 -  
859 414 - 34.3 112   -  
954 - 43 33.2   141 323

Heat Treatment of steel grade 04 A

Heat treated : 1511°C - 1644°C

Technological Curves of steel grade 04 A

Cross Reference Table (Equivalent Grade) of 04 A

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