Chemical composition in % of the material VT23 ( ВТ23 ) .
Fe
Cr
Mo
V
Ti
Al
0.4 - 0.8
0.8 - 1.4
1.5 - 2.5
4 - 5
84 - 89.3
4 - 6.3
Comment: Ti is a basis; the percentage of Ti is given approximately.
Mechanical properties under Т=20oС of the material VT23 ( ВТ23 ) .
Assortment
Dimension
Direct.
sв
sT
d5
y
KCU
Heat treatment
-
mm
-
MPa
MPa
%
%
kJ / m2
-
Sheet
1100-1200
10-13
Annealing
Sheet
1450-1600
4-6
Hardening
and ageing
Brinell hardness of the material VT23 ( ВТ23 ) (annealing) , Sheet
HB 10 -1= 255 - 270 MPa
Brinell hardness of the material VT23 ( ВТ23 ) (quenching, ageing , Sheet
HB 10 -1= 300 - 420 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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