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Np-30HGSA

Russia GOST Np-30HGSA Steel surfacing wire. Specifications and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: Np-30HGSA / Np-30HGSA
Category Grade Standard Region/Area Standard Content
Metals Np-30HGSA GOST 10543 Russia Steel surfacing wire. Specifications

Chemical composition(mass fraction)(wt.%) of the Np-30HGSA

Element Min Max Similar
Si 0.8000 1.2000 -
S - 0.0250 -
P - 0.0250 -
Ni - 0.4000 -
Mn 0.8000 1.2000 -
Cr 0.8000 1.2000 -
C 0.2500 0.3500 -

Mechanical Properties of steel grade Np-30HGSA

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)
769 (≥) 245 (≥) 12 11 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 134

Physical Properties of steel grade Np-30HGSA

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 - -     0.42 -  
428 845 - 31.3 321   -  
363 - 44 22.2   344 341

Heat Treatment of steel grade Np-30HGSA

Heat treated : 1357°C - 1296°C

Technological Curves of steel grade Np-30HGSA

Cross Reference Table (Equivalent Grade) of Np-30HGSA

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