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Metals -> Precision alloy -> Precision alloy for elastic elements

Characteristics of the material 44NKHTYU   ( 44NHTJU,   44НХТЮ ).

Material : 44NKHTYU   ( 44NHTJU,   44НХТЮ )
Classification : Precision alloy for elastic elements


Chemical composition in % of the material 44NKHTYU   ( 44NHTJU,   44НХТЮ ) .
Fe C Si Mn Ni S P Cr TiAl
44.11 - 48.3max   0.050.3 - 0.60.3 - 0.643.5 - 45.5max   0.02max   0.025 - 5.62.2 - 2.70.4 - 0.8


Mechanical properties under Т=20oС of the material 44NKHTYU   ( 44NHTJU,   44НХТЮ ) .
Assortment Dimension Direct. sв sT d5 y KCU Heat treatment
- mm - MPa MPa % % kJ / m2 -
      1200 800-90013   Guenching 910oC,Ageing 600oC, 3h,


    Brinell hardness of the material   44NKHTYU   ( 44NHTJU,   44НХТЮ )   ,       HB 10 -1= 300 - 320   MPa


Physical properties of the material 44NKHTYU   ( 44NHTJU,   44НХТЮ ) .
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 1.79 8        



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]

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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