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HS 420 Class C

International ISO HS420ClassC Hot-rolled steel sheet of high yield stress structural quality and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: HS420ClassC / HS 420 Class C
Category Grade Standard Region/Area Standard Content
Metals HS 420 Class C ISO 4996 International Hot-rolled steel sheet of high yield stress structural quality

Chemical composition(mass fraction)(wt.%) of the HS 420 Class C

Element Min Max Similar

Mechanical Properties of steel grade HS 420 Class C

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)
232 (≥) 464 (≥) 11 42 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 243

Physical Properties of steel grade HS 420 Class C

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
11 - -     0.42 -  
791 684 - 14.3 431   -  
189 - 31 11.2   441 144

Heat Treatment of steel grade HS 420 Class C

Heat treated : 1113°C - 1913°C

Technological Curves of steel grade HS 420 Class C

Cross Reference Table (Equivalent Grade) of HS 420 Class C

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