Characteristics of the material 12KHN ( 12HN, 12ХН ).
Material :
12KHN ( 12HN, 12ХН )
Classification :
Alloy structurall steel
Chemical composition in % of the material 12KHN ( 12HN, 12ХН ) .
C
Si
Mn
Ni
S
P
Cr
Cu
0.09 - 0.15
0.17 - 0.37
0.3 - 0.6
0.5 - 0.8
max 0.035
max 0.035
0.4 - 0.7
max 0.3
Mechanical properties under Т=20oС of the material 12KHN ( 12HN, 12ХН ) .
Assortment
Dimension
Direct.
sв
sT
d5
y
KCU
Heat treatment
-
mm
-
MPa
MPa
%
%
kJ / m2
-
Bar
Ж 25
440
26
55
Guenching 910oC, water, Drawing 150 - 180oC, air,
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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