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Characteristics for grade     12KH14N14V2M   ( 12Х14Н14В2М )

      Grade :     12KH14N14V2M   ( 12Х14Н14В2М )
      Classification :   High alloy high-temperature steel
      Equivalent grades:     Is absent




Chemical composition in % for grade   12KH14N14V2M   ( 12Х14Н14В2М )
C Si Mn Ni S P Cr Mo W
max   0.150.3 - 0.8max   0.713 - 15max   0.03max   0.03513 - 150.4 - 0.62 - 2.75


Mechanical properties under Т=20oС for grade   12KH14N14V2M   ( 12Х14Н14В2М )
Assortment Dimension Direct. sв sT d5 y KCU Heat treatment
- mm - MPa MPa % % kJ / m2 -
Pipe Ø 102 x 68 longitudinal 560 260 44 601300 
Bar Ø 25 longitudinal 570 228 67.7 62.83400 


Technological properties for grade   12KH14N14V2M   ( 12Х14Н14В2М )
  Weldability: without limitations.


Physical properties for grade   12KH14N14V2M   ( 12Х14Н14В2М )
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 2.02     8100 461  
100 2 15.6 6.3   486 830
200 1.92 15.7 11.8   515 890
300 1.84 17.3 16.7   536 950
400 1.78 17.3 20.9   544 1010
500 1.71 17.3 24.3   557 1050
600 1.63 18.2 27.2   590 1080
700 1.57 18.4 29.7   624 1130
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]

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

  12KH14N14V2M   ( 12Х14Н14В2М ) - 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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