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Russia GOST 05kp Carbon structural quality steel gauged bars with special surface finish. General specifications and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 05kp / 05kp
Category Grade Standard Region/Area Standard Content
Metals 05kp GOST 1050 Russia Carbon structural quality steel gauged bars with special surface finish. General specifications

Chemical composition(mass fraction)(wt.%) of the 05kp

Element Min Max Similar
Si - 0.0300 -
S - 0.0400 -
P - 0.0350 -
Ni - 0.3000 -
N - 0.0080 -
Mn - 0.4000 -
Cu - 0.3000 -
Cr - 0.1000 -
C - 0.0600 -
As - 0.0800 -

Mechanical Properties of steel grade 05kp

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)
689 (≥) 119 (≥) 14 13 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 323

Physical Properties of steel grade 05kp

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
33 - -     0.13 -  
621 275 - 14.3 113   -  
969 - 12 42.2   242 442

Heat Treatment of steel grade 05kp

Heat treated : 1366°C - 1442°C

Technological Curves of steel grade 05kp

Cross Reference Table (Equivalent Grade) of 05kp

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