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37 HN 3 A

Poland PN 37HN3A Alloyed structural steels for super loading equipment -- Grades and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 37HN3A / 37 HN 3 A
Category Grade Standard Region/Area Standard Content
Metals 37 HN 3 A PN H84035 Poland Alloyed structural steels for super loading equipment -- Grades

Chemical composition(mass fraction)(wt.%) of the 37 HN 3 A

Element Min Max Similar
C 0.3300 0.4100 -
Mn 0.2500 0.5500 -
P - 0.0300 -
S - 0.0300 -
Si 0.1700 0.3700 -
Ni 3.0000 3.5000 -
Cr 1.2000 1.6000 -
Mo - 0.1000 -
Cu - 0.2000 -
V - 0.0500 -
W - 0.2000 -
Ti - 0.0500 -
Al 0.0200 - -

Mechanical Properties of steel grade 37 HN 3 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)
254 (≥) 934 (≥) 31 43 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 141

Physical Properties of steel grade 37 HN 3 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 - -     0.13 -  
498 257 - 43.3 232   -  
317 - 14 32.2   424 214

Heat Treatment of steel grade 37 HN 3 A

Heat treated : 1729°C - 1348°C

Technological Curves of steel grade 37 HN 3 A

Cross Reference Table (Equivalent Grade) of 37 HN 3 A

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