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America UNS W88021 Ni-Fe-Cr Arc Welding Electrode (E320-XX) (Carpenter 20Cb3) and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: W88021 / W88021
Category Grade Standard Region/Area Standard Content
Metals W88021 -- America Ni-Fe-Cr Arc Welding Electrode (E320-XX) (Carpenter 20Cb3)

Chemical composition(mass fraction)(wt.%) of the W88021

Element Min Max Similar
Si - 0.6000 -
S - 0.0300 -
P - 0.0400 -
Ni 32.0000 36.0000 -
Mn 0.5000 2.5000 -
Cu 3.0000 4.0000 -
Cr 19.0000 21.0000 -
Cb - 1.0000 -
C - 0.0700 -

Mechanical Properties of steel grade W88021

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)
876 (≥) 782 (≥) 32 43 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 114

Physical Properties of steel grade W88021

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
34 - -     0.23 -  
678 947 - 31.3 113   -  
656 - 14 23.2   222 413

Heat Treatment of steel grade W88021

Heat treated : 1284°C - 1239°C

Technological Curves of steel grade W88021

Cross Reference Table (Equivalent Grade) of W88021

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