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America UNS K21703 Alloy Steel and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: K21703 / K21703
Category Grade Standard Region/Area Standard Content
Metals K21703 -- America Alloy Steel

Chemical composition(mass fraction)(wt.%) of the K21703

Element Min Max Similar
Si 0.1300 0.3200 -
S - 0.0400 -
P - 0.0350 -
Ni 2.0300 2.5700 -
Mn - 0.7000 -
C - 0.1700 -

Mechanical Properties of steel grade K21703

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)
175 (≥) 258 (≥) 12 31 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 342

Physical Properties of steel grade K21703

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
42 - -     0.21 -  
312 295 - 11.3 333   -  
161 - 42 44.2   123 241

Heat Treatment of steel grade K21703

Heat treated : 1159°C - 1262°C

Technological Curves of steel grade K21703

Cross Reference Table (Equivalent Grade) of K21703

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