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

Characteristics of the material KHN70VMYUT   ( HN70VMJUT,   70 ).

Material : KHN70VMYUT   ( HN70VMJUT,   70 )
Classification : Hidh-temperature or heat-resistant alloy


Chemical composition in % of the material KHN70VMYUT   ( HN70VMJUT,   70 ) .
Fe C Si Mn Ni S P Cr Mo W TiAl Cu B
max   30.01 - 0.16max   0.6max   0.565.02 - 76.29max   0.02max   0.0214 - 163 - 54 - 61 - 1.41.7 - 2.2max   0.07max   0.01
Comment: Ni is a basis; the percentage of Ni is given approximately.


Mechanical properties under =20o of the material KHN70VMYUT   ( HN70VMJUT,   70 ) .
Assortment Dimension Direct. s sT d5 y KCU Heat treatment
- mm - MPa MPa % % kJ / m2 -
Bar   longitudinal 1030 670 28 26800Heating 1150oC, 3h,Cooling oil, Ageing 800oC, 20h,Cooling air,


    Brinell hardness of the material   KHN70VMYUT   ( HN70VMJUT,   70 )   ,       HB 10 -1= 277 - 302   MPa


Physical properties of the material KHN70VMYUT   ( HN70VMJUT,   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 2.26     8600   1330
100 2.21 12.2 9.2 8570   1340
200 2.15 12.65 12.6 8540   1350
300 2.09 13.2 16.7 8510   1360
400 2.02 13.6 19.2 8470   1360
500 1.96 14.1 23 8430   1370
600 1.9 14.55 25.9 8390   1470
700 1.82 15.1 29.3 8340   1480
800   15.8   8290    
900       8240    
T E 10- 5 a 10 6 l r C R 10 9


Technological properties of the material KHN70VMYUT   ( HN70VMJUT,   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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