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X8Ni9Application:Spain structural alloy steel
CategoryTypeSteel gradeStandardCountry
Grades Special Alloy X8Ni9UNESpain

Chemical composition%of the ladle analysis of gradeX8Ni9

C(％)Si(％)Mn(％)P(％)S(％)Ni(％)Mo(％)V(%)
0.100. 350. 30—0. 800.020.018.50—10.00.10<0.05
X8Ni9
Mechanical properties of gradeX8Ni9
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)
592(≥)971(≥)444432Solution and Aging,Annealing,Ausaging,Q+T,etc213
Physical properties of gradeX8Ni9
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
824(≥)674(≥)424242Solution and Aging,Annealing,Ausaging,Q+T,etc214
Temp.
°C/°F		Creep strain limit
(10000h)
(Rp1,0)N/mm2		Creep rupture strength
(10000h)
(Rp1,0)N/mm2
693415758
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
X8Ni9UNESpain
Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties
1.5662UNESpain
Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties

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