MIL Z8 CND 17-04

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MIL Z8 CND 17-04

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Z8 CND 17-04 Application:Martensitic chromium steel with ~4% nickel addition.

Chemical composition(mass fraction)(wt.%) of the Z8 CND 17-04
C(%) Si(%) Mn(%) Cr(%) Ni(%) Mo(%)
0.05 0.4 0.9 15.8 4.4 1.2

Mechanical properties of grade Z8 CND 17-04

Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition HBW
324 (≥) 626 (≥) 43 24 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 241

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
673 (≥) 477 (≥) 34 13 41 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
- - -
169 637 132 - - -

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