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St4kp

Favorite Datasheet

Russia GOST St4kp Common quality carbon steel. Grades and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: St4kp / St4kp
Category Grade Standard Region/Area Standard Content
Metals St4kp GOST 380 Russia Common quality carbon steel. Grades

Chemical composition(mass fraction)(wt.%) of the St4kp

Element Min Max Similar
Si - 0.0500 -
S - 0.0500 -
P - 0.0400 -
Ni - 0.3000 -
N - 0.0100 -
Mn 0.4000 0.7000 -
Cu - 0.3000 -
Cr - 0.3000 -
C 0.1800 0.2700 -
As - 0.0800 -

Mechanical Properties of steel grade St4kp

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)
658 (≥) 367 (≥) 33 41 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 241

Physical Properties of steel grade St4kp

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 - -     0.24 -  
449 634 - 43.3 414   -  
354 - 14 42.2   431 112

Heat Treatment of steel grade St4kp

Heat treated : 1216°C - 1668°C

Technological Curves of steel grade St4kp

Cross Reference Table (Equivalent Grade) of St4kp

Grade Standard Country Application
ASTM 5140
AISI 201
AISI 202
1.2767
17-4PH
AISI 1052
AISI 416Se
AISI 1330
AISI 205 Stainless Steel
AISI A10
AISI A2
AISI A3
AISI A4
1.0036
1.0037
SAE J403
UNS G10100
AMS 4924
ASTM A36
Electrode 100S-1
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