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France AFNOR NF 3/910 Welding and thermal spraying. Filer products for weld-surfacing and/or coating. Classification. Codification ot the chemical composition and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 3/910 / 3/910
Category Grade Standard Region/Area Standard Content
Metals 3/910 NF A81-381 France Welding and thermal spraying. Filer products for weld-surfacing and/or coating. Classification. Codification ot the chemical composition

Chemical composition(mass fraction)(wt.%) of the 3/910

Element Min Max Similar
V 4.0000 5.0000 -
Mo+W 10.0000 12.0000 -
Fe - - -
Cr 4.0000 5.0000 -
Co - 10.0000 -
C 1.0000 1.7500 -

Mechanical Properties of steel grade 3/910

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)
136 (≥) 959 (≥) 22 34 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 444

Physical Properties of steel grade 3/910

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
24 - -     0.44 -  
213 651 - 11.3 422   -  
761 - 42 43.2   122 414

Heat Treatment of steel grade 3/910

Heat treated : 1983°C - 1188°C

Technological Curves of steel grade 3/910

Cross Reference Table (Equivalent Grade) of 3/910

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