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Characteristics for grade     KhN77TYU   ( ХН77ТЮ )

      Grade :   KhN77TYU   ( ХН77ТЮ ) (   ЭИ437А   )
      Classification :   Hidh-temperature or heat-resistant alloy
      Equivalent grades:     Is absent



Chemical composition in % for grade   KhN77TYU   ( ХН77ТЮ )
Fe C Si Mn Ni S P Cr Ce TiAl B Pb
max   1max   0.07max   0.6max   0.470.083 - 77.4max   0.007max   0.01519 - 22max   0.022.4 - 2.80.6 - 1max   0.003max   0.001


Mechanical properties under Т=20oС for grade   KhN77TYU   ( ХН77ТЮ )
Assortment Dimension Direct. sв sT d5 y KCU Heat treatment
- mm - MPa MPa % % kJ / m2 -
Bar, GOST 23705-79     610   5 12 Hardening and ageing


    Brinell hardness for     KhN77TYU   ( ХН77ТЮ )   ,     Bar GOST 23705-79 HB 10 -1 = 255 - 321   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]

  KhN77TYU   ( ХН77ТЮ ) - 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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