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Characteristics for grade     KHN55VMTKYU   ( ХН55ВМТКЮ )



      Grade :   KHN55VMTKYU   ( ХН55ВМТКЮ ) (   ЭИ929     ХН55ВМТКЮ-ВД     ЭИ929-ВД   )
      Classification :   Hidh-temperature or heat-resistant alloy
      Equivalent grades:     Is absent



Chemical composition in % for grade   KHN55VMTKYU   ( ХН55ВМТКЮ )
C Si Mn S P Cr Mo W V Co TiAl B
0.04 - 0.1max   0.5max   0.5max   0.01max   0.0159 - 124 - 64.5 - 6.50.2 - 0.812 - 161.4 - 23.6 - 4.5max   0.02


Mechanical properties under Т=20oС for grade   KHN55VMTKYU   ( ХН55ВМТКЮ )
Assortment Dimension Direct. sв sT d5 y KCU Heat treatment
- mm - MPa MPa % % kJ / m2 -
Bar, GOST 23705-79     980-1180730-7808-129-15  


    Brinell hardness for     KHN55VMTKYU   ( ХН55ВМТКЮ )   (quenching, ageing) ,     Bar GOST 23705-79 HB 10 -1 = 285 - 341   MPa


Physical properties for grade   KHN55VMTKYU   ( ХН55ВМТКЮ )
T E 10- 5 a 10 6 l r C R 10 9
Grade MPa 1/Grade Watt/(m·Grade) kg/m3 J/(kg·Grade) Ohm·m
20            
100   10.8        
200   11.7        
300   12.4        
400   12.8        
500   13.4        
600   13.8        
700   14.1        
800   14.5        
900   15.5        
T E 10- 5 a 10 6 l r C R 10 9



Types of delivery of grade   KHN55VMTKYU   ( ХН55ВМТКЮ )
В32 - Graded and shaped rolling


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]

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]

  KHN55VMTKYU   ( ХН55ВМТКЮ ) - Hidh-temperature or heat-resistant alloy: chemical composition, mechanical and physical properties, hardness
Database of steels and alloys (Marochnik) contains information about chemical composition and properties more then 3000 steels and alloys

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