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ISO NiCr20TiAlApplication:ISO standard valve nickel base alloy
CategoryTypeSteel gradeStandardCountry
Grades Special Alloy ISO NiCr20TiAlISOISO

Chemical composition%of the ladle analysis of gradeISO NiCr20TiAl

C(%)Si(%)Mn(%)P(%)S(%)Cr(%)Ni(%)Mo(%)Cu(%)Co(%)B(%)Al(%)Ti(%)Other(%)
0.04-0.10Max 1.00Max 1.00Max 0.02Max 0.01518.0-21.0Min 65Max 0.15Max 0.20Max 2.0Max 0.0081.0-1.81.8-2.7Fe:max 3.0
ISO standard valve nickel base alloy
Mechanical properties of gradeISO NiCr20TiAl
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)
373(≥)187(≥)444124Solution and Aging,Annealing,Ausaging,Q+T,etc343
Physical properties of gradeISO NiCr20TiAl
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
776(≥)569(≥)111222Solution and Aging,Annealing,Ausaging,Q+T,etc234
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0)N/mm2
Creep rupture strength
(10000h)
(Rp1,0)N/mm2
941289993
ISO NiCr20TiAlRange 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
NiCr20TiAlISOISO
Heat-treatable steels, alloy steels and free-cutting steels -- Part 15: Valve steels for internal combustion engines

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