Grades | Stainless Steels | NiCr15Fe7TiAl

ISO NiCr15Fe7TiAl

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NiCr15Fe7TiAl Application:Heat-treatable steels, alloy steels and free-cutting steels -- Part 15: Valve steels for internal combustion engines

Chemical composition(mass fraction)(wt.%) of the NiCr15Fe7TiAl
Elements Min.(≥) Max.(≤) Similar Remarks
C 0.03 0.10
Si - 0.50
Mn - 0.50
P - 0.015
S - 0.015
Cr 14.00 17.00
Mo - 0.15
Ni remaining -
Al 1.10 1.35
Fe 5.00 9.00
Nb+Ta 0.70 1.20
Ti 2.00 2.60

Mechanical properties of grade NiCr15Fe7TiAl

Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition HBW
533 (≥) 944 (≥) 21 31 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 213

Physical properties of grade NiCr15Fe7TiAl

Property Density
kg/dm3
Temperature T
°C/F
Specific heat
J / kgK
Thermal conductivity
W/mK
Electric resistance
µΩ·cm
571 (≥) 122 (≥) 41 21 42 Solution and Aging, Annealing, Ausaging, Q+T,etc
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
- - -
891 822 645 - - -

NiCr15Fe7TiAl Range of products
Product type Products Dimension Processes Deliver Status
Plates / Sheets Plates / Sheets 0.08-200mm(T)*W*L Forging, hot rolling and cold rolling Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Steel Bar Round Bar, Flat Bar, Square Bar Φ8-1200mm*L Forging, hot rolling and cold rolling, Cast Black, Rough Turning, Shot Blasting,
Coil / Strip Steel Coil /Steel Strip 0.03-16.0x1200mm Cold-Rolled & Hot-Rolled Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Pipes / Tubes Seamless Pipes/Tubes, Welded Pipes/Tubes OD:6-219mm x WT:0.5-20.0mm Hot extrusion, Cold Drawn, Welded Annealed, Solution and Aging, Q+T, ACID-WASHED