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Stellite 251Application:Stellite alloy
CategoryTypeSteel grade
Grades Special Alloy Stellite 251

Chemical composition%of the ladle analysis of gradeStellite 251

C(%)Cr(%)Co(%)Nb(%)Other(%)
0.328.0remaining2.0Fe:18.0
Stellite 251
Mechanical properties of gradeStellite 251
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)
957(≥)877(≥)343224Solution and Aging,Annealing,Ausaging,Q+T,etc232
Physical properties of gradeStellite 251
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
665(≥)975(≥)131331Solution and Aging,Annealing,Ausaging,Q+T,etc342
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0)N/mm2
Creep rupture strength
(10000h)
(Rp1,0)N/mm2
267942264
Stellite 251Range 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
Stellite 8
Stellite alloy
Stellite 12
Stellite alloy
Stellite 12P
Stellite alloy
Stellite 19
Stellite alloy
Stellite 20
Stellite alloy
Stellite 21
Stellite alloy
Stellite 23
Stellite alloy
Stellite 25
Stellite alloy
Stellite 27
Stellite alloy
Stellite 30
Stellite alloy
Stellite 31
Stellite alloy
Stellite 98M2
Stellite alloy
Stellite 156
Stellite alloy
Stellite 157
Stellite alloy
Stellite 7
Stellite alloy
Stellite 6PM
Stellite alloy
Stellite 6KC
Stellite alloy
Stellite 6
Stellite alloy
Stellite 4
Stellite alloy
Stellite 3PM
Stellite alloy

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