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Np-H17N3M

Russia GOST Np-H17N3M Steel surfacing wire. Specifications and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: Np-H17N3M / Np-H17N3M
Category Grade Standard Region/Area Standard Content
Metals Np-H17N3M GOST 10543 Russia Steel surfacing wire. Specifications

Chemical composition(mass fraction)(wt.%) of the Np-H17N3M

Element Min Max Similar

Mechanical Properties of steel grade Np-H17N3M

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)
335 (≥) 188 (≥) 44 32 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 414

Physical Properties of steel grade Np-H17N3M

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
32 - -     0.24 -  
757 447 - 23.3 132   -  
498 - 23 44.2   212 114

Heat Treatment of steel grade Np-H17N3M

Heat treated : 1941°C - 1591°C

Technological Curves of steel grade Np-H17N3M

Cross Reference Table (Equivalent Grade) of Np-H17N3M

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