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Characteristics for grade     42NKHTYUА   ( 42НХТЮА )



      Grade :     42NKHTYUА   ( 42НХТЮА )
      Classification :   Precision alloy for elastic elements
      Equivalent grades:     Is absent



Chemical composition in % for grade   42NKHTYUА   ( 42НХТЮА )
Fe C Si Mn Ni S P Cr TiAl
45.61 - 49.9max   0.050.4 - 0.70.3 - 0.641.5 - 43.5max   0.02max   0.025 - 5.62.3 - 2.90.6 - 1


Mechanical properties under Т=20oС for grade   42NKHTYUА   ( 42НХТЮА )
Assortment Dimension Direct. sв sT d5 y KCU Heat treatment
- mm - MPa MPa % % kJ / m2 -
      1300-1400  5   Guenching 910oC,Ageing 700oC,
Wire, GOST 10994-74     1080-1375       


Physical properties for grade   42NKHTYUА   ( 42НХТЮА )
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 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]

  42NKHTYUА   ( 42НХТЮА ) - Precision alloy for elastic elements: 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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