Characteristics of the material St4kp ( St4kp, Ст4кп ).
Material :
St4kp ( St4kp, Ст4кп )
Classification :
Normal quality structural carbon steel
Chemical composition in % of the material St4kp ( St4kp, Ст4кп ) .
C
Si
Mn
Ni
S
P
Cr
N
Cu
As
0.18 - 0.27
max 0.05
0.4 - 0.7
max 0.3
max 0.05
max 0.04
max 0.3
max 0.008
max 0.3
max 0.08
Mechanical properties under Т=20oС of the material St4kp ( St4kp, Ст4кп ) .
Assortment
Dimension
Direct.
sв
sT
d5
y
KCU
Heat treatment
-
mm
-
MPa
MPa
%
%
kJ / m2
-
410-520
230-260
23
Brinell hardness of the material St4kp ( St4kp, Ст4кп ) ,
HB 10 -1= 143 MPa
Specification :
Mechanical properties :
sв
- Tensile strength , [MPa]
sT
- Yield stress, [MPa]
d5
- Specific elongation at fracture , [ % ]
y
- Reduction of area , [ % ]
KCU
- Impact strength , [ kJ / m2]
HB
- Brinell hardness , [MPa]
Database of steels and alloys (Marochnik) contains information about chemical composition and properties of 1500 steels and alloys (stainless steel, alloy steel, carbone steel, structural steel, tool steel, cast iron, aluminum alloy, titanium alloy, copper alloy, nickel alloy, magnesium alloy and others). Helpfull for specialists in material technology, structural engineer, mechanical engineer, metallurgy and metal trader