Characteristics of the material 38KH2NMF ( 38H2NMF, 38Х2НМФ ).
Material :
38KH2NMF ( 38H2NMF, 38Х2НМФ )
Substitute:
34ХН1М, 40ХН2МА, 34ХН3М
Classification :
Alloy structurall steel
Chemical composition in % of the material 38KH2NMF ( 38H2NMF, 38Х2НМФ ) .
C
Si
Mn
Ni
S
P
Cr
Mo
V
0.32 - 0.42
0.17 - 0.37
0.5 - 0.8
0.6 - 0.9
max 0.03
max 0.03
1.8 - 2.3
0.2 - 0.3
0.08 - 0.15
Mechanical properties under Т=20oС of the material 38KH2NMF ( 38H2NMF, 38Х2НМФ ) .
Assortment
Dimension
Direct.
sв
sT
d5
y
KCU
Heat treatment
-
mm
-
MPa
MPa
%
%
kJ / m2
-
Forging
to 300
850
700
12
38
500
Guenching and drawing
Brinell hardness of the material 38KH2NMF ( 38H2NMF, 38Х2НМФ ) (quenching, tempering) ,
HB 10 -1= 223 - 262 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]
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