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Description

France AFNOR NF A 35-578, Z9CKD11 Specialsteel Iron and steel. Stainless steel for high temperature application and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: Z9CKD11
Category Class Grade Standard Country Application
Steel GradesSpecialsteel Z9CKD11 AFNOR France Iron and steel. Stainless steel for high temperature application

Chemical composition(mass fraction)(wt.%) of the Z9CKD11

C Si Mn P S Cr Mo Ni Co B Nb W V N
0.06 -0.11 ≤0.75 0.60 -1.15 ≤0.035 ≤0.015 9.80 -11.20 0.20 -0.80 0.50 -1.00 5.00 -7.00 0.005 -0.012 0.20 -0.45 ≤0.70 0.10 -0.35 0.010 -0.035

Mechanical Properties of steel grade Z9CKD11

Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV/Ku (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
466 (≥) 921 (≥) 21 23 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 234

Physical Properties of steel grade Z9CKD11

Temperature
(°C)
Modulus of elasticity
(GPa)
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)
Specific thermal capacity
(J/kg·°C)
Specific electrical resistivity
(Ω mm²/m)
Density
(kg/dm³)
Poisson’s coefficient, ν
34 - -     0.43 -  
622 572 - 22.3 112   -  
165 - 43 23.2   442 331

Heat Treatment of steel grade Z9CKD11

Heat treated : 1764°C - 1966°C

Technological Curves of steel grade Z9CKD11

Cross Reference Table (Equivalent Grade) of Z9CKD11

Grade Standard Country Application
Z9CKD11

Relevant standard of Z9CKD11

NF A 35-578 Iron and steel. Stainless steel for high temperature application NF-A-35-578.pdf

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