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Metals -> High-temperature or heat-resistant steel and alloy -> High alloy high-temperature steel

Characteristics of the material 10KH18N18YU4D   ( 10H18N18JU4D,   10Х18Н18Ю4Д ).

Material : 10KH18N18YU4D   ( 10H18N18JU4D,   10Х18Н18Ю4Д )
Classification : High alloy high-temperature steel


Chemical composition in % of the material 10KH18N18YU4D   ( 10H18N18JU4D,   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 of the material 10KH18N18YU4D   ( 10H18N18JU4D,   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 Ж 40 longitudinal 600 340 28 35 Heating 1130 - 1150oC,Cooling air,


Physical properties of the material 10KH18N18YU4D   ( 10H18N18JU4D,   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]

Database of steels and alloys (Marochnik) contains information about chemical composition and properties of 1500 steels and alloys (stainless steel, alloy steel, carbone steel, structural steel, tool steel, cast iron, aluminum alloy, titanium alloy, copper alloy, nickel alloy, magnesium alloy and others).
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