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SpG 3 N 2 MJ

Poland PN SpG3N2MJ Welding -- Solid wires for welding and surfacing of steel and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SpG3N2MJ / SpG 3 N 2 MJ
Category Grade Standard Region/Area Standard Content
Metals SpG 3 N 2 MJ PN M69420 Poland Welding -- Solid wires for welding and surfacing of steel

Chemical composition(mass fraction)(wt.%) of the SpG 3 N 2 MJ

Element Min Max Similar
Si 0.1000 0.3000 -
S - 0.0200 -
P - 0.0200 -
Ni 1.4000 1.8000 -
Mo 0.5000 0.8000 -
Mn 1.2000 1.6000 -
Cr - 0.2000 -
C - 0.1000 -
Al 0.0200 0.0500 -

Mechanical Properties of steel grade SpG 3 N 2 MJ

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)
761 (≥) 285 (≥) 13 31 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 131

Physical Properties of steel grade SpG 3 N 2 MJ

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
22 - -     0.13 -  
831 891 - 44.3 342   -  
654 - 24 22.2   133 343

Heat Treatment of steel grade SpG 3 N 2 MJ

Heat treated : 1253°C - 1987°C

Technological Curves of steel grade SpG 3 N 2 MJ

Cross Reference Table (Equivalent Grade) of SpG 3 N 2 MJ

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