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Characteristics for grade     15KH11MF   ( 15Х11МФ )

      Grade :   15KH11MF   ( 15Х11МФ ) (   1Х11МФ   )
      Classification :   High alloy high-temperature steel
      Equivalent grades:   Go here



Chemical composition in % for grade   15KH11MF   ( 15Х11МФ )
C Si Mn Ni S P Cr Mo V Cu
0.12 - 0.19max   0.5max   0.7max   0.6max   0.025max   0.0310 - 11.50.6 - 0.80.25 - 0.4max   0.3


Temperature of critical points for grade   15KH11MF   ( 15Х11МФ ).
,      Ac3(Acm) = 880


Mechanical properties under Т=20oС for grade   15KH11MF   ( 15Х11МФ )
Assortment Dimension Direct. sв sT d5 y KCU Heat treatment
- mm - MPa MPa % % kJ / m2 -
Bar, GOST 5949-75     690 490 15 55590Guenching 1030 - 1060oC, oil, Guenching 700 - 740oC, oil,
Bar, GOST 18968-73     740 590-75515 50590Normalizing and drawing


    Brinell hardness for     15KH11MF   ( 15Х11МФ )   (annealing) ,     Bar GOST 5949-75 HB 10 -1 = 229   MPa
    Brinell hardness for     15KH11MF   ( 15Х11МФ )   (normalize, tempering) ,     Bar GOST 18968-73 HB 10 -1 = 229 - 269   MPa


Technological properties for grade   15KH11MF   ( 15Х11МФ )
  Weldability: hard weldability.


Physical properties for grade   15KH11MF   ( 15Х11МФ )
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 2.28     7850    
100 2.22 10.3     500  
200 2.13 10.6 24.4   525  
300 2.05 10.8 26.1   567  
400 1.93 11.3 27.2   630  
500 1.8 11.7 27.6   700  
600   12 28   800  
700   12.2        
800   12.4        
T E 10- 5 a 10 6 l r C R 10 9


Equivalent steels for grade     15KH11MF   ( 15Х11МФ )
Warning! Indicated both exact and nearest equivalents.
Poland
PN
15H11MF


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

  15KH11MF   ( 15Х11МФ ) - High alloy high-temperature 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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