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Z8 CND 17-04 Application:Martensitic chromium steel with ~4% nickel addition.
Category Type Steel grade Standard Country
Grades Special Alloy Z8 CND 17-04 MIL USA

Chemical composition % of the ladle analysis of grade Z8 CND 17-04

C(%) Si(%) Mn(%) Cr(%) Ni(%) Mo(%)
0.05 0.4 0.9 15.8 4.4 1.2
Z8CND17-04
Mechanical properties of grade Z8 CND 17-04
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 Condition Brinell hardness (HBW)
595 (≥) 418 (≥) 22 13 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 431
Physical properties of grade Z8 CND 17-04
Property Density
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
461 (≥) 732 (≥) 32 33 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 343
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
486 922 434
Z8 CND 17-04 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
Cross Reference Table(Equivalent Grade)
Grade Standard Country Application
Z8CND17-04 Air 9160/C MIL USA
wrought steels used in aeronautical constructions

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