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Z 12 CAS 18

France AFNOR NF Z12CAS18 Iron and steel. Stainless steel for high temperature application and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: Z12CAS18 / Z 12 CAS 18
Category Grade Standard Region/Area Standard Content
Metals Z 12 CAS 18 NF A35-578 France Iron and steel. Stainless steel for high temperature application

Chemical composition(mass fraction)(wt.%) of the Z 12 CAS 18

Element Min Max Similar
Si 0.7000 1.4000 -
S - 0.0150 -
P - 0.0350 -
Ni - 0.5000 -
Mo - 0.5000 -
Mn - 0.7500 -
Cr 17.0000 19.0000 -
C - 0.1200 -
Al 0.7000 1.2000 -

Mechanical Properties of steel grade Z 12 CAS 18

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)
349 (≥) 614 (≥) 32 23 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 341

Physical Properties of steel grade Z 12 CAS 18

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
33 - -     0.43 -  
861 966 - 32.3 334   -  
668 - 14 42.2   122 121

Heat Treatment of steel grade Z 12 CAS 18

Heat treated : 1784°C - 1734°C

Technological Curves of steel grade Z 12 CAS 18

Cross Reference Table (Equivalent Grade) of Z 12 CAS 18

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