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Characteristics for grade     25Kh2M1F   ( 25Х2М1Ф )

      Grade :     25Kh2M1F   ( 25Х2М1Ф )
      Classification :   Relaxation-resistant steel
      Equivalent grades:   Go here




Chemical composition in % for grade   25Kh2M1F   ( 25Х2М1Ф )
C Si Mn Ni S P Cr Mo V Cu
0.22 - 0.290.17 - 0.370.4 - 0.7max   0.25max   0.025max   0.032.1 - 2.60.9 - 1.10.3 - 0.5max   0.2


Temperature of critical points for grade   25Kh2M1F   ( 25Х2М1Ф ).
Ac1 = 780 ,      Ac3(Acm) = 870 ,       Ar3(Arcm) = 790 ,       Ar1 = 700


Mechanical properties under Т=20oС for grade   25Kh2M1F   ( 25Х2М1Ф )
Assortment Dimension Direct. sв sT d5 y KCU Heat treatment
- mm - MPa MPa % % kJ / m2 -
Bar Ø 25 longitudinal 900 750 10 40300Normalizing 1030 - 1060oC,Drawing 680 - 720oC, air,


    Brinell hardness for     25Kh2M1F   ( 25Х2М1Ф )   (quenching, tempering) ,       HB 10 -1 = 235 - 277   MPa


Technological properties for grade   25Kh2M1F   ( 25Х2М1Ф )
  Weldability: is not used.


Physical properties for grade   25Kh2M1F   ( 25Х2М1Ф )
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 2.23     7800   270
100 2.18 12.5 32.7 7780 536 360
200 2.13 12.9 31.8 7750 574 420
300 2.07 13.3 30.1 7720 599 500
400 2 13.7 28.5 7680 632 590
500 1.92 14 28.1 7650 674 710
600 1.83 14.7 26.4 7600 733 840
700 1.75         970
T E 10- 5 a 10 6 l r C R 10 9



Equivalent steels for grade     25Kh2M1F   ( 25Х2М1Ф )
Warning! Indicated both exact and nearest equivalents.
Germany
DIN,WNr
24CrMoV55


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

  25Kh2M1F   ( 25Х2М1Ф ) - Relaxation-resistant 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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