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Characteristics for grade     68NKHVKTYU   ( 68НХВКТЮ )



      Grade :   68NKHVKTYU   ( 68НХВКТЮ ) (   68НХВКТЮ-ВИ   )
      Classification :   Precision alloy for elastic elements
      Equivalent grades:     Is absent



Chemical composition in % for grade   68NKHVKTYU   ( 68НХВКТЮ )
Fe C Si Mn Ni S P Cr Ce W V Co Nb TiAl Cu B -
max   1max   0.05max   0.4max   0.455.402 - 63.5max   0.01max   0.01518 - 20max   0.059 - 10.5max   0.25.5 - 6.7max   0.22.7 - 3.21.3 - 1.8max   0.07max   0.003 B, Ce - расчет


Mechanical properties under Т=20oС for grade   68NKHVKTYU   ( 68НХВКТЮ )
Assortment Dimension Direct. sв sT d5 y KCU Heat treatment
- mm - MPa MPa % % kJ / m2 -
 , GOST 10994-74     1375-1570       




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]

  68NKHVKTYU   ( 68НХВКТЮ ) - 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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