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K417Application:Age hardening type Nickel base alloy
CategoryTypeSteel gradeStandardCountry
Grades Special Alloy K417GBTChina

Chemical composition%of the ladle analysis of gradeK417

C(%)Si(%)Mn(%)P(%)S(%)Cr(%)Ni(%)Mo(%)V(%)Co(%)B(%)Al(%)Ti(%)Other(%)
0.13-0.22Max 0.5Max 0.5Max 0.015Max 0.018.50-9.50Balance2.50-3.500.60-0.9014.0-16.00.012-0.0224.80-5.704.50-5.00Zr :0.05-0.09
K417
Mechanical properties of gradeK417
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)
642(≥)296(≥)342341Solution and Aging,Annealing,Ausaging,Q+T,etc311
Physical properties of gradeK417
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
381(≥)148(≥)341231Solution and Aging,Annealing,Ausaging,Q+T,etc212
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0)N/mm2
Creep rupture strength
(10000h)
(Rp1,0)N/mm2
933332286
K417Range 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

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