Metals -> Corrosion-resistant (stainless) steel -> Corrosion-resistant steel for general purposes Characteristics of the material 17KH18N9 ( 17H18N9, 17Х18Н9 ).
Material : 17KH18N9 ( 17H18N9, 17Х18Н9 ) Substitute: 20Х13Н4Г9 Classification : Corrosion-resistant steel for general purposes
Chemical composition in % of the material 17KH18N9 ( 17H18N9, 17Х18Н9 ) . C Si Mn Ni S P Cr Ti Cu 0.13 - 0.21 max 0.8 max 0.2 8 - 10 max 0.02 max 0.035 17 - 19 max 0.5 max 0.3
Mechanical properties under Т=20o С of the material 17KH18N9 ( 17H18N9, 17Х18Н9 ) .
Assortment Dimension Direct. s в s T
d 5
y KCU Heat treatment - mm - MPa MPa % % kJ / m2 - Sheet thin 590 35 Guenching 1050 - 1080o C,Cooling water, Sheet thin cold-worked 980-1230 13 Bars to 60 570 215 40 55 Guenching 1050 - 1100o C,Cooling air, Sheet trick 590 265 35 Guenching 1080 - 1120o C,Cooling water, Pipe cooling strain 568 35 Pipe hot strain 568 40
Physical properties of the material 17KH18N9 ( 17H18N9, 17Х18Н9 ) . 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 1.99 18 7900 720 100 16 19 504 735 200 17 20 855 300 17.5 21 925 400 17.9 22 975 500 18.5 24 1031 600 18.6 25 1080 700 1.47 18.9 26 1115 800 19.1 27 1150 900 19.3 28 1185 1000 19.5 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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