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Np-30H5

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Russia GOST Np-30H5 Steel surfacing wire. Specifications and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: Np-30H5 / Np-30H5
Category Grade Standard Region/Area Standard Content
Metals Np-30H5 GOST 10543 Russia Steel surfacing wire. Specifications

Chemical composition(mass fraction)(wt.%) of the Np-30H5

Element Min Max Similar
Si 0.2000 0.5000 -
S - 0.0400 -
P - 0.0300 -
Ni - 0.4000 -
Mn 0.4000 0.7000 -
Cr 4.0000 6.0000 -
C 0.2700 0.3500 -

Mechanical Properties of steel grade Np-30H5

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)
267 (≥) 194 (≥) 31 21 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 312

Physical Properties of steel grade Np-30H5

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 - -     0.24 -  
412 363 - 21.3 224   -  
774 - 14 33.2   212 342

Heat Treatment of steel grade Np-30H5

Heat treated : 1475°C - 1312°C

Technological Curves of steel grade Np-30H5

Cross Reference Table (Equivalent Grade) of Np-30H5

Grade Standard Country Application
ASTM 5140
AISI 201
AISI 202
1.2767
17-4PH
AISI 1052
AISI 416Se
AISI 1330
AISI 205 Stainless Steel
AISI A10
AISI A2
AISI A3
AISI A4
1.0036
1.0037
SAE J403
UNS G10100
AMS 4924
ASTM A36
Electrode 100S-1
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