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Characteristics for grade     KhN77TYuRU   ( ХН77ТЮРУ )

      Grade :   KhN77TYuRU   ( ХН77ТЮРУ ) (   ЭИ437БУ     ХН77ТЮРУ-ВД     ЭИ437БУ-ВД     ХН77ТЮРУ-ПД     ЭИ437БУ-ПД   )
      Classification :   Hidh-temperature or heat-resistant alloy
      Equivalent grades:     Is absent



Chemical composition in % for grade   KhN77TYuRU   ( ХН77ТЮРУ )
Fe C Si Mn Ni S P Cr Ce TiAl B Pb
max   10.04 - 0.08max   0.6max   0.471.967 - 77.66max   0.007max   0.01519 - 22max   0.022.6 - 2.90.7 - 1max   0.01max   0.001


Mechanical properties under Т=20oС for grade   KhN77TYuRU   ( ХН77ТЮРУ )
Assortment Dimension Direct. sв sT d5 y KCU Heat treatment
- mm - MPa MPa % % kJ / m2 -
Bar, GOST 23705-79     980 640-67012-1314-16294Hardening and ageing


    Brinell hardness for     KhN77TYuRU   ( ХН77ТЮРУ )   (quenching, ageing) ,     Bar GOST 23705-79 HB 10 -1 = 262 - 321   MPa


Physical properties for grade   KhN77TYuRU   ( ХН77ТЮРУ )
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   12.6        
200   12.9        
300   13.3        
400   13.8        
500   14.2        
600   14.6        
700   15.1        
800   15.5        
900   16.2        
1000   16.8        
T E 10- 5 a 10 6 l r C R 10 9


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]

  KhN77TYuRU   ( ХН77ТЮРУ ) - 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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