Characteristics of the material 25KH2N4MА ( 25H2N4MА, 25Х2Н4МА ).
Material :
25KH2N4MА ( 25H2N4MА, 25Х2Н4МА )
Classification :
Alloy structurall steel
Chemical composition in % of the material 25KH2N4MА ( 25H2N4MА, 25Х2Н4МА ) .
C
Si
Mn
Ni
S
P
Cr
Mo
0.21 - 0.28
0.17 - 0.37
0.25 - 0.55
4 - 4.4
max 0.025
max 0.025
1.35 - 1.65
0.3 - 0.4
Mechanical properties under Т=20oС of the material 25KH2N4MА ( 25H2N4MА, 25Х2Н4МА ) .
Assortment
Dimension
Direct.
sв
sT
d5
y
KCU
Heat treatment
-
mm
-
MPa
MPa
%
%
kJ / m2
-
Bar
Ж 25
1080
930
11
45
880
Guenching 850oC, oil, Drawing 560oC, oil,
Brinell hardness of the material 25KH2N4MА ( 25H2N4MА, 25Х2Н4МА ) (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