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Characteristics for grade     30KHN2MFА   ( 30ХН2МФА )

      Grade :     30KHN2MFА   ( 30ХН2МФА )
      Substitute:   30ХН2ВФА
      Classification :   Alloy structurall steel
      Equivalent grades:   Go here



Chemical composition in % for grade   30KHN2MFА   ( 30ХН2МФА )
C Si Mn Ni S P Cr Mo V Cu
0.27 - 0.340.17 - 0.370.3 - 0.62 - 2.4max   0.025max   0.0250.6 - 0.90.2 - 0.30.1 - 0.18max   0.3


Temperature of critical points for grade   30KHN2MFА   ( 30ХН2МФА ).
Ac1 = 720 ,      Ac3(Acm) = 830 ,       Ar3(Arcm) = 555 ,       Ar1 = 365


Mechanical properties under Т=20oС for grade   30KHN2MFА   ( 30ХН2МФА )
Assortment Dimension Direct. sв sT d5 y KCU Heat treatment
- mm - MPa MPa % % kJ / m2 -
Bar, GOST 4543-71 Ø 25   880 785 10 40880Guenching and drawing


    Brinell hardness for     30KHN2MFА   ( 30ХН2МФА )   (annealing) ,       GOST 4543-71 HB 10 -1 = 269   MPa


Physical properties for grade   30KHN2MFА   ( 30ХН2МФА )
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 2.16   36     333
100 2.07 11.1 35   466  
200 2.06 11.7 35   508  
300 1.88 12.3 34   529  
400 1.76 12.9 32   567  
500 1.69 13.3 31   588  
600   13.7 29      
700     28      
800     27      
T E 10- 5 a 10 6 l r C R 10 9


Equivalent steels for grade     30KHN2MFА   ( 30ХН2МФА )
Warning! Indicated both exact and nearest equivalents.
BulgariaPoland
BDSPN
30ChN2MFA
30HN2MFA


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]

  30KHN2MFА   ( 30ХН2МФА ) - 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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