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Characteristics for grade     45KHN2MFА   ( 45ХН2МФА )

      Grade :   45KHN2MFА   ( 45ХН2МФА ) (   45ХНМФА   )
      Classification :   Alloy structurall steel
      Equivalent grades:   Go here
Grade   45KHN2MFА   ( 45ХН2МФА ):   supplier   Auremo   www.auremo.biz
Sale:   Russia +7 (812) 680-16-77 ,   Germany +49 (208) 205-83-073,     info [a] auremo.org



Chemical composition in % for grade   45KHN2MFА   ( 45ХН2МФА )
C Si Mn Ni S P Cr Mo V Cu
0.42 - 0.50.17 - 0.370.5 - 0.81.3 - 1.8max   0.025max   0.0250.8 - 1.10.2 - 0.30.1 - 0.18max   0.3


Temperature of critical points for grade   45KHN2MFА   ( 45ХН2МФА ).
Ac1 = 735 ,      Ac3(Acm) = 825 ,       Ar3(Arcm) = 470 ,       Ar1 = 370 ,       Mn = 275


Mechanical properties under Т=20oС for grade   45KHN2MFА   ( 45ХН2МФА )
Assortment Dimension Direct. sв sT d5 y KCU Heat treatment
- mm - MPa MPa % % kJ / m2 -
Bar, GOST 4543-71     1420 1275 7 35390Guenching 860oC, oil,


    Brinell hardness for     45KHN2MFА   ( 45ХН2МФА )   (annealing) ,       GOST 4543-71 HB 10 -1 = 269   MPa


Technological properties for grade   45KHN2MFА   ( 45ХН2МФА )
  Weldability: hard weldability.
 Flakes : predisposed
Temper brittleness: not predisposed


Physical properties for grade   45KHN2MFА   ( 45ХН2МФА )
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   34     300
100 2.07 11 34   480 363
200 1.97 11.6 33   500 460
300 1.88 12.1 32   520 557
400 1.76 12.7 31   540 677
500 1.68 13.3 30   555 822
600 1.52 13.7 29     993
700 1.36 13.9 27     1160
800 1.28 11.9 26      
T E 10- 5 a 10 6 l r C R 10 9


Equivalent steels for grade     45KHN2MFА   ( 45ХН2МФА )
Warning! Indicated both exact and nearest equivalents.
BulgariaPoland
BDSPN
45ChN2MFA
45HNMF

Types of delivery of grade   45KHN2MFА   ( 45ХН2МФА )
В22 - Graded and shaped rolling
B23 - Sheets and Strips
В32 - Graded and shaped rolling


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]

Weldability :
without limitations - welding is done without heating and subsequent heat treeting
limited weldability - welding is possible under heating up to 100-120 grade and subsequent heat treeting
hard weldability - obtaining the quality welding needs the additional operations:heating up to 200-300 grade; the heat treeting ia annealing

  45KHN2MFА   ( 45ХН2МФА ) - 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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