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Poland PN 35HMA Structural alloy steel --Steel for heat treatment (quenching+tempering) and surface hardening -- Grades and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 35HMA / 35 HMA
Category Grade Standard Region/Area Standard Content
Metals 35 HMA PN H84030-04 Poland Structural alloy steel --Steel for heat treatment (quenching+tempering) and surface hardening -- Grades

Chemical composition(mass fraction)(wt.%) of the 35 HMA

Element Min Max Similar
Si 1.1000 1.4000 -
S - 0.0350 -
P - 0.0350 -
Ni - 0.3000 -
Mn 1.1000 1.4000 -
Cu - 0.3000 -
Cr - 0.2500 -
C 0.3100 0.3900 -
Ti - 0.0500 -
W - 0.2000 -
V - 0.0500 -
Mo - 0.1000 -
Si 1.1000 1.4000 -
S - 0.0350 -
P - 0.0350 -
Ni - 0.3000 -
Mn 1.1000 1.4000 -
Cu - 0.3000 -
Cr - 0.2500 -
C 0.3100 0.3900 -

Mechanical Properties of steel grade 35 HMA

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)
543 (≥) 495 (≥) 44 32 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 324

Physical Properties of steel grade 35 HMA

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
23 - -     0.31 -  
536 296 - 31.3 312   -  
528 - 14 44.2   442 211

Heat Treatment of steel grade 35 HMA

Heat treated : 1673°C - 1495°C

Technological Curves of steel grade 35 HMA

Cross Reference Table (Equivalent Grade) of 35 HMA

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