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Russia GOST St4ps Common quality carbon steel. Grades and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: St4ps / St4ps
Category Grade Standard Region/Area Standard Content
Metals St4ps GOST 380 Russia Common quality carbon steel. Grades

Chemical composition(mass fraction)(wt.%) of the St4ps

Element Min Max Similar
Si 0.0500 0.1500 -
S - 0.0500 -
P - 0.0400 -
Ni - 0.3000 -
N - 0.1000 -
Mn 0.4000 0.7000 -
Cu - 0.3000 -
Cr - 0.3000 -
C 0.1800 0.2700 -
As - 0.0800 -
Si 0.0500 0.1500 -
S - 0.0500 -
P - 0.0400 -
Ni - 0.3000 -
N - 0.1000 -
Mn 0.4000 0.7000 -
Cu - 0.3000 -
Cr - 0.3000 -
C 0.1800 0.2700 -
As - 0.0800 -

Mechanical Properties of steel grade St4ps

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)
481 (≥) 124 (≥) 43 11 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 424

Physical Properties of steel grade St4ps

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
44 - -     0.24 -  
922 558 - 13.3 343   -  
382 - 32 32.2   334 221

Heat Treatment of steel grade St4ps

Heat treated : 1598°C - 1997°C

Technological Curves of steel grade St4ps

Cross Reference Table (Equivalent Grade) of St4ps

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