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Characteristics for grade     15KH25T   ( 15Х25Т )

      Grade :   15KH25T   ( 15Х25Т ) (   Х25Т     ЭИ439   )
      Substitute:   12Х18Н10Т
      Classification :   Corrosion-resistant high-temperature steel
      Equivalent grades:   Go here
Grade   15KH25T   ( 15Х25Т ):   supplier   Auremo   www.auremo.biz
Sale:   Russia +7 (812) 680-16-77 ,   Germany +49 (208) 376-298-00 ,     info [a] auremo.org



Chemical composition in % for grade   15KH25T   ( 15Х25Т )
C Si Mn S P Cr -
max   0.15max   1max   0.8max   0.025max   0.03524 - 27 (5 С - 0.9) Ti, остальное Fe


Mechanical properties under Т=20oС for grade   15KH25T   ( 15Х25Т )
Assortment Dimension Direct. sв sT d5 y KCU Heat treatment
- mm - MPa MPa % % kJ / m2 -
Pipe cooling strain, GOST 9941-81     461   17    
Pipe hot strain, GOST 9940-81     441   17    
Bar, GOST 5949-75     440 295 20 45  
Sheet trick, GOST 7350-77     440   14  200Annealing
Sheet thin, GOST 5582-75     530   17   Annealing 740 - 780oC,


Technological properties for grade   15KH25T   ( 15Х25Т )
  Weldability: hard weldability.
Temper brittleness: predisposed


Physical properties for grade   15KH25T   ( 15Х25Т )
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 2.04   17 7600   710
100 2       462  
200 1.97 10        
300 1.89 10.6        
400 1.76 10.8        
500 1.64 11.3        
600 1.4 11.5        
700 1.24 11.6        
800 1.19 11.6        
900 1.09 12.2        
T E 10- 5 a 10 6 l r C R 10 9


Equivalent steels for grade     15KH25T   ( 15Х25Т )
Warning! Indicated both exact and nearest equivalents.
USAGermanyJapanFranceEuropeanChinaSwedenCzechia
-DIN,WNrJIS AFNOREN GBSSCSN
446
10CrAl24
X8CrTi25
SUN446
Z10C24
1.4746
1Cr25Ti
2322
17153

Types of delivery of grade   15KH25T   ( 15Х25Т )
В22 - Graded and shaped rolling
B23 - Sheets and Strips
В32 - Graded and shaped rolling
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

  15KH25T   ( 15Х25Т ) - Corrosion-resistant 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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