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EN X8Ni9Application:Euronorm Structural steel
CategoryTypeSteel gradeStandardCountry
Grades Special Alloy EN X8Ni9ENEuronorm

Chemical composition%of the ladle analysis of gradeEN X8Ni9

C(%)Si(%)Mn(%)P(%)S(%)Ni(%)Mo(%)
0.100.350.30-0.800.0200.0108.50 -10- 00.10
Euronorm Structural steel, EN X8Ni9
Mechanical properties of gradeEN X8Ni9
Proof strength
Rp0.2(MPa)
Tensile strength
Rm(MPa)
Impact energy
KV(J)
Elongation at fracture
A(%)
Reduction in cross section on fracture
Z(%)
As-Heat-Treated ConditionBrinell hardness(HBW)
532(≥)496(≥)133333Solution and Aging,Annealing,Ausaging,Q+T,etc124
Physical properties of gradeEN X8Ni9
PropertyDensity
kg/dm3
Temperature T
°C/F
Specific heat
J/kgK
Thermal conductivity
W/mK
Electric resistance
µΩ·cm
Modulus of elasticity
kN/mm2
Expansion rate
453(≥)253(≥)111213Solution and Aging,Annealing,Ausaging,Q+T,etc223
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0)N/mm2
Creep rupture strength
(10000h)
(Rp1,0)N/mm2
913772212
EN X8Ni9Range of products
Product typeProductsDimensionProcessesDeliver Status
Plates/SheetsPlates/Sheets0.08-200mm(T)*W*LForging,hot rolling and cold rollingAnnealed,Solution and Aging,Q+T,ACID-WASHED,Shot Blasting
Steel BarRound Bar,Flat Bar,Square BarΦ8-1200mm*LForging,hot rolling and cold rolling,CastBlack,Rough Turning,Shot Blasting,
Coil/StripSteel Coil/Steel Strip0.03-16.0x1200mmCold-Rolled&Hot-RolledAnnealed,Solution and Aging,Q+T,ACID-WASHED,Shot Blasting
Pipes/TubesSeamless Pipes/Tubes,Welded Pipes/TubesOD:6-219mm x WT:0.5-20.0mmHot extrusion,Cold Drawn,WeldedAnnealed,Solution and Aging,Q+T,ACID-WASHED
Cross Reference Table(Equivalent Grade)
GradeStandardCountryApplication
X8Ni9ENEuronorm
Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties
1.5662ENEuronorm
Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties

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