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 Ce Al Cu 0.07 - 0.13 max 0.8 max 0.8 18 - 19.5 max 0.02 max 0.035 18 - 19.5 max 0.03 3.2 - 4.2 0.4 - 0.6
Mechanical properties under Т=20o С of the material 10KH18N18YU4D ( 10H18N18JU4D, 10Х18Н18Ю4Д ) .
Assortment Dimension Direct. s в s T
d 5
y KCU Heat treatment - mm - MPa MPa % % kJ / m2 - Sheet 4 - 11 dihedral 500 40 Heating 1080o C,Cooling air, Bar Ж 40 longitudinal 600 340 28 35 Heating 1130 - 1150o C,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 : s в - Tensile strength , [MPa] s T - Yield stress, [MPa] d 5 - 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]
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