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France AFNOR NF A 35-578, Z12CAS18 Specialsteel Iron and steel. Stainless steel for high temperature application and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: Z12CAS18
Category Class Grade Standard Country Application
Steel GradesSpecialsteel Z12CAS18 AFNOR France Iron and steel. Stainless steel for high temperature application

Chemical composition(mass fraction)(wt.%) of the Z12CAS18

C Si Mn P S Cr Mo Ni Al
≤0.12 0.75 -1.40 ≤0.75 ≤0.035 ≤0.015 17.00 -19.00 ≤ ≥ ≤ ≥ 0.70 -1.20

Mechanical Properties of steel grade Z12CAS18

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)
271 (≥) 144 (≥) 44 23 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 441

Physical Properties of steel grade Z12CAS18

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 - -     0.41 -  
276 763 - 24.3 242   -  
661 - 13 23.2   133 124

Heat Treatment of steel grade Z12CAS18

Heat treated : 1142°C - 1762°C

Technological Curves of steel grade Z12CAS18

Cross Reference Table (Equivalent Grade) of Z12CAS18

Grade Standard Country Application
Z12CAS18

Relevant standard of Z12CAS18

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

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