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Metals -> High-temperature or heat-resistant steel and alloy -> Hidh-temperature or heat-resistant alloy

Characteristics of the material KHN75MBTYU   ( HN75MBTJU,   75 ).

Material : KHN75MBTYU   ( HN75MBTJU,   75 )
Classification : Hidh-temperature or heat-resistant alloy


Chemical composition in % of the material KHN75MBTYU   ( HN75MBTJU,   75 ) .
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 =20o of the material KHN75MBTYU   ( HN75MBTJU,   75 ) .
Assortment Dimension Direct. s sT d5 y KCU Heat treatment
- mm - MPa MPa % % kJ / m2 -
Sheet to 3.9   900   40   Guenching Cooling air,
      860 400 43 37 Guenching 1050 - 1080oC, air,
Sheet 4 - 11   930   40   Guenching 1050 - 1080oC,Cooling air,


Physical properties of the material KHN75MBTYU   ( HN75MBTJU,   75 ) .
T E 10- 5 a 10 6 l r C R 10 9
Grade MPa 1/Grade Watt/(mGrade) kg/m3 J/(kgGrade) Ohmm
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


Technological properties of the material KHN75MBTYU   ( HN75MBTJU,   75 ) .
  Weldability: without limitations.



Specification :
Mechanical properties :
s - 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/(mGrade)]
r - Density , [kg/m3]
C - Specific heat ( range 20o - T ), [J/(kgGrade)]
R - Electrical resistance , [Ohmm]

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

Database of steels and alloys (Marochnik) contains information about chemical composition and properties of 1500 steels and alloys (stainless steel, alloy steel, carbone steel, structural steel, tool steel, cast iron, aluminum alloy, titanium alloy, copper alloy, nickel alloy, magnesium alloy and others).
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