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Characteristics for grade     10KH18N18YU4D   ( 10Х18Н18Ю4Д )

      Grade :     10KH18N18YU4D   ( 10Х18Н18Ю4Д )
      Classification :   High alloy high-temperature steel
      Equivalent grades:     Is absent



Chemical composition in % for grade   10KH18N18YU4D   ( 10Х18Н18Ю4Д )
C Si Mn Ni S P Cr CeAl Cu
0.07 - 0.13max   0.8max   0.818 - 19.5max   0.02max   0.03518 - 19.5max   0.033.2 - 4.20.4 - 0.6


Mechanical properties under Т=20oС for grade   10KH18N18YU4D   ( 10Х18Н18Ю4Д )
Assortment Dimension Direct. sв sT d5 y KCU Heat treatment
- mm - MPa MPa % % kJ / m2 -
Sheet 4 - 11 dihedral 500   40   Heating 1080oC,Cooling air,
Bar Ø 40 longitudinal 600 340 28 35 Heating 1130 - 1150oC,Cooling air,


Physical properties for grade   10KH18N18YU4D   ( 10Х18Н18Ю4Д )
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 1.86     7630    
100 1.82 15.5 12.4      
200 1.78 16.5 13.4      
300 1.71 17 15.4      
400 1.65 17.4 17.1      
500 1.61 17.65 18.4      
600 1.56 18.2 20.5      
700 1.46 18.4 21.7      
800 1.38 18.8 23      
900 1.27 18.6        
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]

  10KH18N18YU4D   ( 10Х18Н18Ю4Д ) - 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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