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Sp 45 G 4 S 1 H 1

Poland PN Sp45G4S1H1 Welding -- Solid wires for welding and surfacing of steel and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: Sp45G4S1H1 / Sp 45 G 4 S 1 H 1
Category Grade Standard Region/Area Standard Content
Metals Sp 45 G 4 S 1 H 1 PN M69420 Poland Welding -- Solid wires for welding and surfacing of steel

Chemical composition(mass fraction)(wt.%) of the Sp 45 G 4 S 1 H 1

Element Min Max Similar

Mechanical Properties of steel grade Sp 45 G 4 S 1 H 1

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)
521 (≥) 334 (≥) 33 13 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 423

Physical Properties of steel grade Sp 45 G 4 S 1 H 1

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
44 - -     0.13 -  
569 136 - 23.3 411   -  
439 - 33 23.2   442 113

Heat Treatment of steel grade Sp 45 G 4 S 1 H 1

Heat treated : 1231°C - 1915°C

Technological Curves of steel grade Sp 45 G 4 S 1 H 1

Cross Reference Table (Equivalent Grade) of Sp 45 G 4 S 1 H 1

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