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Characteristics for grade     10KH14G14N4T   ( 10Х14Г14Н4Т )

      Grade :   10KH14G14N4T   ( 10Х14Г14Н4Т ) (   Х14Г14Н3Т     ЭИ711   )
      Substitute:   20Х13Н4Г9, 12Х18Н9Т, 12Х18Н10Т, 08Х18Н10Т
      Classification :   Сryogenic structural steel
      Equivalent grades:     Is absent



Chemical composition in % for grade   10KH14G14N4T   ( 10Х14Г14Н4Т )
C Si Mn Ni S P Cr -
max   0.1max   0.813 - 152.8 - 4.5max   0.02max   0.03513 - 15 5(С - 0.02)-0.6 Ti, остальное Fe


Mechanical properties under Т=20oС for grade   10KH14G14N4T   ( 10Х14Г14Н4Т )
Assortment Dimension Direct. sв sT d5 y KCU Heat treatment
- mm - MPa MPa % % kJ / m2 -
Forging, GOST 25054-81 to 600 longitudinal 637 245     Guenching 1000 - 1080oC, water,
Bars, GOST 5949-75 60   640 245 35 50 Guenching 1000 - 1080oC,Cooling air,
Sheet trick, GOST 7350-77     590 245 40   Guenching
Sheet thin, GOST 5582-75     690 295 35   Guenching 1050 - 1080oC,Cooling water,


Technological properties for grade   10KH14G14N4T   ( 10Х14Г14Н4Т )
  Weldability: limited weldability.
 Flakes : not predisposed
Temper brittleness: not predisposed


Physical properties for grade   10KH14G14N4T   ( 10Х14Г14Н4Т )
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 1.94   15 7800    
100 1.89 16 17      
200 1.81 16.7 18      
300 1.7 17.5 21      
400 1.64 18.4 24      
500 1.59 19 30      
600 1.61 19.5 36      
700   20.1 43      
800   20.6 51      
900   21        
T E 10- 5 a 10 6 l r C R 10 9

Types of delivery of grade   10KH14G14N4T   ( 10Х14Г14Н4Т )
B03 - Metal forming treatment. Forgings
В22 - Graded and shaped rolling
B23 - Sheets and Strips
В32 - Graded and shaped rolling
B33 - Sheets and Strips


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

  10KH14G14N4T   ( 10Х14Г14Н4Т ) - Сryogenic structural 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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