Characteristics of the material 40KHMFА ( 40HMFА, 40ХМФА ).
Material :
40KHMFА ( 40HMFА, 40ХМФА )
Classification :
Alloy structurall steel
Chemical composition in % of the material 40KHMFА ( 40HMFА, 40ХМФА ) .
C
Si
Mn
S
P
Cr
Mo
V
0.37 - 0.44
0.17 - 0.37
0.4 - 0.7
max 0.025
max 0.025
0.8 - 1.1
0.2 - 0.3
0.1 - 0.18
Mechanical properties under Т=20oС of the material 40KHMFА ( 40HMFА, 40ХМФА ) .
Assortment
Dimension
Direct.
sв
sT
d5
y
KCU
Heat treatment
-
mm
-
MPa
MPa
%
%
kJ / m2
-
Bar
Ж 25
1030
930
13
50
880
Guenching 860oC, oil, Drawing 580oC, oil,
Brinell hardness of the material 40KHMFА ( 40HMFА, 40ХМФА ) (annealing) ,
HB 10 -1= 269 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