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Characteristics for grade     25KH2GNTА   ( 25Х2ГНТА )

      Grade :     25KH2GNTА   ( 25Х2ГНТА )
      Classification :   Alloy structurall steel
      Equivalent grades:     Is absent



Chemical composition in % for grade   25KH2GNTА   ( 25Х2ГНТА )
C Si Mn Ni S P Cr Ti Cu
0.22 - 0.290.2 - 0.50.8 - 1.10.9 - 1.3max   0.03max   0.031.3 - 1.70.06 - 0.12max   0.3


Mechanical properties under Т=20oС for grade   25KH2GNTА   ( 25Х2ГНТА )
Assortment Dimension Direct. sв sT d5 y KCU Heat treatment
- mm - MPa MPa % % kJ / m2 -
      1500-1650      Guenching 860oC, oil, Drawing 200 - 230oC, 2 - 3h,


Physical properties for grade   25KH2GNTА   ( 25Х2ГНТА )
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 1.95     7800    
100   12 41.9      
200   13 41.1      
300   13.7 40.7      
T E 10- 5 a 10 6 l r C R 10 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]

  25KH2GNTА   ( 25Х2ГНТА ) - Alloy structurall steel: 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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