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

Characteristics of the material KHN70VMTYUF   ( HN70VMTJUF,   70 ).

Material : KHN70VMTYUF   ( HN70VMTJUF,   70 )
Classification : Hidh-temperature or heat-resistant alloy


Chemical composition in % of the material KHN70VMTYUF   ( HN70VMTJUF,   70 ) .
Fe C Si Mn Ni S P Cr Ce Mo W V TiAl B
max   5max   0.12max   0.6max   0.560.621 - 75.2max   0.009max   0.01513 - 16max   0.022.5 - 45 - 70.2 - 11.7 - 2.22.4 - 2.9max   0.015
Comment: Ni is a basis; the percentage of Ni is given approximately.


Mechanical properties under =20o of the material KHN70VMTYUF   ( HN70VMTJUF,   70 ) .
Assortment Dimension Direct. s sT d5 y KCU Heat treatment
- mm - MPa MPa % % kJ / m2 -
Bar   longitudinal 1050 720 10 12200 


    Brinell hardness of the material   KHN70VMTYUF   ( HN70VMTJUF,   70 )   (quenching) ,       HB 10 -1= 299 - 341   MPa


Physical properties of the material KHN70VMTYUF   ( HN70VMTJUF,   70 ) .
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 2   8.8 8470    
100   10.4 10.5      
200   11.7 12.6      
300   12.4 14.2      
400   12.9 16.3      
500 1.7 13.2 18.4      
600 1.65 13.6 20.5      
700 1.55 14 22.6      
800 1.45 14.5 25.1      
900 1.3 15 28      
T E 10- 5 a 10 6 l r C R 10 9


Technological properties of the material KHN70VMTYUF   ( HN70VMTJUF,   70 ) .
  Weldability: hard weldability.



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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