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Russia GOST Sv-18HMA Welding steel wire. Specifications and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: Sv-18HMA / Sv-18HMA
Category Grade Standard Region/Area Standard Content
Metals Sv-18HMA GOST 2246 Russia Welding steel wire. Specifications

Chemical composition(mass fraction)(wt.%) of the Sv-18HMA

Element Min Max Similar
V - 0.0500 -
Si 0.1200 0.3500 -
S - 0.0250 -
P - 0.0250 -
Ni - 0.3000 -
N - 0.0120 -
Mo 0.1500 0.3000 -
Mn 0.4000 0.7000 -
Cu - 0.2500 -
Cr 0.8000 1.1000 -
C 0.1500 0.2200 -
As - 0.0800 -

Mechanical Properties of steel grade Sv-18HMA

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)
582 (≥) 313 (≥) 11 44 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 124

Physical Properties of steel grade Sv-18HMA

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 - -     0.14 -  
858 257 - 33.3 231   -  
422 - 24 22.2   134 421

Heat Treatment of steel grade Sv-18HMA

Heat treated : 1638°C - 1147°C

Technological Curves of steel grade Sv-18HMA

Cross Reference Table (Equivalent Grade) of Sv-18HMA

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