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Grade : | YUNDKI ( ЮНДКИ ) |
Classification : | Magnetically hard precision alloy |
Equivalent grades: | Is absent |
Fe | Ni | Co | Al | Cu |
47 - 55.5 | 18 - 20 | 15 - 19 | 8.5 - 10 | 3 - 4 |
B83 - Castings with special properties (cast iron and steel) |
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] |
Physical properties : | |
T | - Test temperature , [Grade] |
E | - Young modulus , [MPa] |
a | - Coefficient of linear expansion (range 20o - T ) , [1/Grade] |
l | - Termal (heat) condition coefficient , [Watt/(m·Grade)] |
r | - Density , [kg/m3] |
C | - Specific heat ( range 20o - T ), [J/(kg·Grade)] |
R | - Electrical resistance , [Ohm·m] |
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