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America ASME ERNiMo-7 Specification for nickel and nickel-alloy bare welding electrodes and rods and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: ERNiMo-7 / ERNiMo-7
Category Grade Standard Region/Area Standard Content
Metals ERNiMo-7 ASME SFA-5.14/SFA-5.14M America Specification for nickel and nickel-alloy bare welding electrodes and rods

Chemical composition(mass fraction)(wt.%) of the ERNiMo-7

Element Min Max Similar
Other total - 0.5000 -
C - 0.0200 -
Mn - 1.0000 -
P - 0.0400 -
S - 0.0300 -
Si - 0.1000 -
Ni - - -
Cr - 1.0000 -
Mo 26.0000 30.0000 -
Cu - 0.5000 -
W - 1.0000 -
Fe - 2.0000 -
Co - 1.0000 -

Mechanical Properties of steel grade ERNiMo-7

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)
997 (≥) 744 (≥) 21 23 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 211

Physical Properties of steel grade ERNiMo-7

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
21 - -     0.41 -  
527 354 - 24.3 132   -  
232 - 44 32.2   212 423

Heat Treatment of steel grade ERNiMo-7

Heat treated : 1325°C - 1858°C

Technological Curves of steel grade ERNiMo-7

Cross Reference Table (Equivalent Grade) of ERNiMo-7

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