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Characteristics for grade     15Kh2M2FBS   ( 15Х2М2ФБС )

      Grade :     15Kh2M2FBS   ( 15Х2М2ФБС )
      Classification :   Low alloy high-temperature steel
      Equivalent grades:     Is absent




Chemical composition in % for grade   15Kh2M2FBS   ( 15Х2М2ФБС )
C Si Mn Ni S P Cr Mo V Nb Cu
0.13 - 0.180.7 - 10.5 - 0.8max   0.3max   0.03max   0.031.8 - 2.31.2 - 1.50.25 - 0.40.08 - 0.15max   0.3


Temperature of critical points for grade   15Kh2M2FBS   ( 15Х2М2ФБС ).
Ac1 = 780 - 830 ,      Ac3(Acm) = 1020 - 1040 ,       Ar3(Arcm) = 830


Mechanical properties under Т=20oС for grade   15Kh2M2FBS   ( 15Х2М2ФБС )
Assortment Dimension Direct. sв sT d5 y KCU Heat treatment
- mm - MPa MPa % % kJ / m2 -
Pipe   longitudinal 550 380 18 50600 
Pipe   dihedral 550 380 16 45500 
Forging   longitudinal 640 450 17 50500 


    Brinell hardness for     15Kh2M2FBS   ( 15Х2М2ФБС )   ,       HB 10 -1 = 180 - 197   MPa


Physical properties for grade   15Kh2M2FBS   ( 15Х2М2ФБС )
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 2.24     7850   450
100 2.19 12 34.8     460
200     34.3     520
300 2.05   34.1     600
400   14.5 33.9     670
500 1.87   33.7     770
600 1.76   33.5     950
700 1.64          
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]

  15Kh2M2FBS   ( 15Х2М2ФБС ) - Low 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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