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

Datasheet for: Metals: ERNiCu-7 / ERNiCu-7
Category Grade Standard Region/Area Standard Content
Metals ERNiCu-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 ERNiCu-7

Element Min Max Similar
Other total - 0.5000 -
C - 0.1500 -
Mn - 4.0000 -
P - 0.0200 -
S - 0.0150 -
Si - 1.2500 -
Ni 62.0000 69.0000 -
Cu - - -
Ti 1.5000 3.0000 -
Al - 1.2500 -
Fe - 2.5000 -
Pb - 0.0100 -

Mechanical Properties of steel grade ERNiCu-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)
159 (≥) 837 (≥) 43 43 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 141

Physical Properties of steel grade ERNiCu-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
31 - -     0.34 -  
662 661 - 14.3 421   -  
224 - 32 14.2   244 432

Heat Treatment of steel grade ERNiCu-7

Heat treated : 1214°C - 1493°C

Technological Curves of steel grade ERNiCu-7

Cross Reference Table (Equivalent Grade) of ERNiCu-7

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