Location » Home » Grades > Special Alloy > Z45CNW18-09
Z45CNW18-09 Application:Steel Exhaust Valves
Category Type Steel grade Standard Country
Grades Special Alloy Z45CNW18-09 AFNOR France

Chemical composition % of the ladle analysis of grade Z45CNW18-09

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) W(%)
0.40-0.50 2.00-3.00 0.80-1.50 Max 0.040 Max 0.030 17.0-19.0 8.00-10.0 0.80-1.20
Z45CNW18-09
Mechanical properties of grade Z45CNW18-09
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)
453 (≥) 693 (≥) 34 23 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 343
Physical properties of grade Z45CNW18-09
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
591 (≥) 878 (≥) 24 11 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 212
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
769 754 363
Z45CNW18-09 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
Z45CNW18-09 AFNOR France
Valve steels and alloys for internal combustion engines

Enquiry