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Z 6 CN 12.1 M

France AFNOR NF Z6CN12.1M Foundry products. Weldable cast steels for pressure vessels and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: Z6CN12.1M / Z 6 CN 12.1 M
Category Grade Standard Region/Area Standard Content
Metals Z 6 CN 12.1 M NF A32-055 France Foundry products. Weldable cast steels for pressure vessels

Chemical composition(mass fraction)(wt.%) of the Z 6 CN 12.1 M

Element Min Max Similar

Mechanical Properties of steel grade Z 6 CN 12.1 M

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)
172 (≥) 161 (≥) 22 44 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 312

Physical Properties of steel grade Z 6 CN 12.1 M

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
43 - -     0.11 -  
765 468 - 23.3 131   -  
561 - 21 24.2   431 441

Heat Treatment of steel grade Z 6 CN 12.1 M

Heat treated : 1545°C - 1989°C

Technological Curves of steel grade Z 6 CN 12.1 M

Cross Reference Table (Equivalent Grade) of Z 6 CN 12.1 M

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