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Characteristics for grade     08KH21N6M2T   ( 08Х21Н6М2Т )



      Grade :   08KH21N6M2T   ( 08Х21Н6М2Т ) (   0Х21Н6М2Т     ЭП54   )
      Classification :   High alloy high-temperature steel
      Equivalent grades:   Go here



Chemical composition in % for grade   08KH21N6M2T   ( 08Х21Н6М2Т )
C Si Mn Ni S P Cr Mo Ti
max   0.08max   0.8max   0.85.5 - 6.5max   0.025max   0.03520 - 221.8 - 2.50.2 - 0.4


Mechanical properties under Т=20oС for grade   08KH21N6M2T   ( 08Х21Н6М2Т )
Assortment Dimension Direct. sв sT d5 y KCU Heat treatment
- mm - MPa MPa % % kJ / m2 -
Forging, GOST 25054-81     539 343 18-2235-40390-780 
Bars, GOST 5949-75 60   590 345 25 45 Guenching 950 - 1050oC,Cooling air,
Sheet trick, GOST 7350-77     590 345 20  590Guenching 1025 - 1075oC,Cooling water,
Sheet thin, GOST 5582-75     590   22   Guenching 1000 - 1080oC,Cooling air,


    Brinell hardness for     08KH21N6M2T   ( 08Х21Н6М2Т )   ,     Forging GOST 25054-81 HB 10 -1 = 140 - 200   MPa


Technological properties for grade   08KH21N6M2T   ( 08Х21Н6М2Т )
  Weldability: without limitations.


Physical properties for grade   08KH21N6M2T   ( 08Х21Н6М2Т )
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 1.93     7850   700
100 1.85 9.5 14.6      
200 1.78 13.8 15.9      
300 1.69 16 17.5      
400 1.64 16 19.2      
500 1.62 16.3 20.5      
600 1.53 16.7 21.7      
700 1.39 17.1 21.7      
800 1.36 17.1 24.3      
900   17.4 25.5      
T E 10- 5 a 10 6 l r C R 10 9


Equivalent steels for grade     08KH21N6M2T   ( 08Х21Н6М2Т )
Warning! Indicated both exact and nearest equivalents.
USAGermanyJapan
-DIN,WNrJIS
329
S32900
X2CrNiMoN225
SUS329J1



Types of delivery of grade   08KH21N6M2T   ( 08Х21Н6М2Т )
B03 - Metal forming treatment. Forgings
B23 - Sheets and Strips
B33 - Sheets and Strips
В62 - Steel pipes and connecting parts to them


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

  08KH21N6M2T   ( 08Х21Н6М2Т ) - 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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