Characteristics of the material 20KH17N2 ( 20H17N2, 20Х17Н2 ).
Material :
20KH17N2 ( 20H17N2, 20Х17Н2 )
Classification :
Corrosion-resistant steel for general purposes
Chemical composition in % of the material 20KH17N2 ( 20H17N2, 20Х17Н2 ) .
C
Si
Mn
Ni
S
P
Cr
0.17 - 0.25
max 0.8
max 0.8
1.5 - 2.5
max 0.025
max 0.035
16 - 18
Mechanical properties under Т=20oС of the material 20KH17N2 ( 20H17N2, 20Х17Н2 ) .
Assortment
Dimension
Direct.
sв
sT
d5
y
KCU
Heat treatment
-
mm
-
MPa
MPa
%
%
kJ / m2
-
Forging
813
666
12
30
500
Brinell hardness of the material 20KH17N2 ( 20H17N2, 20Х17Н2 ) (annealing) ,
HB 10 -1= 285 MPa
Brinell hardness of the material 20KH17N2 ( 20H17N2, 20Х17Н2 ) , Forging
HB 10 -1= 248 - 293 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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