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Characteristics for grade     KhN75MBTYu   ( ХН75МБТЮ )

      Grade :   KhN75MBTYu   ( ХН75МБТЮ ) (   ЭИ602   )
      Classification :   Hidh-temperature or heat-resistant alloy
      Equivalent grades:     Is absent




Chemical composition in % for grade   KhN75MBTYu   ( ХН75МБТЮ )
Fe C Si Mn Ni S P Cr Mo Nb TiAl
max   3max   0.1max   0.8max   0.468.568 - 77.6max   0.012max   0.0219 - 221.8 - 2.30.9 - 1.30.35 - 0.750.35 - 0.75


Mechanical properties under Т=20oС for grade   KhN75MBTYu   ( ХН75МБТЮ )
Assortment Dimension Direct. sв sT d5 y KCU Heat treatment
- mm - MPa MPa % % kJ / m2 -
Sheet, GOST 24982-81     900-930  40   Guenching 1050 - 1080oC,
Casting, GOST 7769-82     860 400 43 37 Guenching 1050 - 1080oC, air,


Technological properties for grade   KhN75MBTYu   ( ХН75МБТЮ )
  Weldability: without limitations.


Physical properties for grade   KhN75MBTYu   ( ХН75МБТЮ )
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 1.9     8300    
100   12.4 13.45      
200   13.4 15.3      
300   14.2 16.7      
400 1.65 15 18.5      
500 1.63 15.8 20.2      
600 1.5 16.5 22.3      
700 1.37 18.1 24.4      
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]

Weldability :
without limitations - welding is done without heating and subsequent heat treeting
limited weldability - welding is possible under heating up to 100-120 grade and subsequent heat treeting
hard weldability - obtaining the quality welding needs the additional operations:heating up to 200-300 grade; the heat treeting ia annealing

  KhN75MBTYu   ( ХН75МБТЮ ) - 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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