Characteristics of the material 30KHNML ( 30HNML, 30ХНМЛ ).
Material :
30KHNML ( 30HNML, 30ХНМЛ )
Classification :
Casting steel for general purposes
Chemical composition in % of the material 30KHNML ( 30HNML, 30ХНМЛ ) .
C
Si
Mn
Ni
S
P
Cr
Mo
0.25 - 0.35
0.2 - 0.4
0.4 - 0.9
1.3 - 1.6
max 0.04
max 0.04
1.3 - 1.6
0.2 - 0.3
Mechanical properties under Т=20oС of the material 30KHNML ( 30HNML, 30ХНМЛ ) .
Assortment
Dimension
Direct.
sв
sT
d5
y
KCU
Heat treatment
-
mm
-
MPa
MPa
%
%
kJ / m2
-
700
550
12
20
300
Guenching 860 - 880oC,Drawing 600 - 650oC,
Brinell hardness of the material 30KHNML ( 30HNML, 30ХНМЛ ) ,
HB 10 -1= 206 - 255 MPa
Brinell hardness of the material 30KHNML ( 30HNML, 30ХНМЛ ) (quenching, tempering) ,
HB 10 -1= 217 - 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]
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