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AFNOR Z8CNNb18-10 Details

Z8CNNb18-10 Application:Iron and steel. Stainless steel for high temperature application

Category Type Grade Designations
Grades Stainless Steels Z8CNNb18-10 France - AFNOR , NF A 35-578 - Iron and steel. Stainless steel for high temperature application

Chemical composition(wt.%) of Z8CNNb18-10 grade: NF A 35-578

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.08
Si - 0.75
Mn - 2.00
P - 0.040
S - 0.015
Cr 17.00 19.00
Mo 9.00 11.00
Ni - -
Nb 10×C 1.00
Iron and steel. Stainless steel for high temperature application

Mechanical properties of grade Z8CNNb18-10 NF A 35-578

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)
722 (≥) 876 (≥) 14 22 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 333

Physical properties of grade Z8CNNb18-10 NF A 35-578

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
248 (≥) 949 (≥) 12 34 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 411
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
855 915 624

Z8CNNb18-10 - Form of Supply

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
Z8CNNb18-10 AFNOR France
Iron and steel. Stainless steel for high temperature application

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