Characteristics of the material KCH70-2 ( КЧ70-2 ).
Material :
KCH70-2 ( КЧ70-2 )
Classification :
Malleable cast iron
Chemical composition in % of the material KCH70-2 ( КЧ70-2 ) .
C
Si
Mn
S
P
Cr
2.4 - 2.7
1.2 - 1.4
0.3 - 1
max 0.06
max 0.1
max 0.08
Mechanical properties under Т=20oС of the material KCH70-2 ( КЧ70-2 ) .
Assortment
Dimension
Direct.
sв
sT
d5
y
KCU
Heat treatment
-
mm
-
MPa
MPa
%
%
kJ / m2
-
686
2
Brinell hardness of the material KCH70-2 ( КЧ70-2 ) ,
HB 10 -1= 241 - 285 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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