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ERNiCrMo-20

America ASME ERNiCrMo-20 Specification for nickel and nickel-alloy bare welding electrodes and rods and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: ERNiCrMo-20 / ERNiCrMo-20
Category Grade Standard Region/Area Standard Content
Metals ERNiCrMo-20 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 ERNiCrMo-20

Element Min Max Similar
C - 0.0300 -
Mn - 0.5000 -
P - 0.0150 -
S - 0.0150 -
Si - 0.5000 -
Ni - - -
Cr 21.0000 23.0000 -
Mo 9.0000 11.0000 -
Cu - 0.3000 -
W 2.0000 4.0000 -
Ti - 0.4000 -
Al - 0.4000 -
Fe - 2.0000 -
Co - 0.2000 -
Nb+Ta - 0.2000 -

Mechanical Properties of steel grade ERNiCrMo-20

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)
237 (≥) 132 (≥) 24 13 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 441

Physical Properties of steel grade ERNiCrMo-20

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
22 - -     0.14 -  
225 154 - 33.3 142   -  
438 - 13 33.2   313 321

Heat Treatment of steel grade ERNiCrMo-20

Heat treated : 1833°C - 1574°C

Technological Curves of steel grade ERNiCrMo-20

Cross Reference Table (Equivalent Grade) of ERNiCrMo-20

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