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Description

France DIN NF A 35-578, Z21CDV12 Specialsteel Iron and steel. Stainless steel for high temperature application and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: Z21CDV12
Category Class Grade Standard Country Application
Steel GradesSpecialsteel Z21CDV12 DIN France Iron and steel. Stainless steel for high temperature application

Chemical composition(mass fraction)(wt.%) of the Z21CDV12

C Si Mn P S Ni Cr Mo V
0.18 -0.24 0.10 -0.50 0.30 -0.80 ≤0.0350 ≤0.0350 0.30 -0.80 11.0 -12.50 0.80 -1.20 0.25 -0.35

Mechanical Properties of steel grade Z21CDV12

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)
218 (≥) 116 (≥) 11 11 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 423

Physical Properties of steel grade Z21CDV12

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
12 - -     0.14 -  
237 889 - 22.3 142   -  
234 - 43 31.2   414 311

Heat Treatment of steel grade Z21CDV12

Heat treated : 1879°C - 1877°C

Technological Curves of steel grade Z21CDV12

Cross Reference Table (Equivalent Grade) of Z21CDV12

Grade Standard Country Application
Z21CDV12
1.4923
X22CrMoV12-1
1.4923, X22CrMoV12-1

Relevant standard of Z21CDV12

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

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