Available 24/7 at contact@steel-grades.com

Z 2 NKD 18.8

France AFNOR NF Z2NKD18.8 Non standardized steels and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: Z2NKD18.8 / Z 2 NKD 18.8
Category Grade Standard Region/Area Standard Content
Metals Z 2 NKD 18.8 -- France Non standardized steels

Chemical composition(mass fraction)(wt.%) of the Z 2 NKD 18.8

Element Min Max Similar
Ti - 0.7000 -
Si - 0.1000 -
S - 0.0250 -
P - 0.0300 -
Ni 17.0000 19.0000 -
Mo 4.6000 5.2000 -
Mn - 0.1000 -
Co - 9.5000 -
C - 0.0300 -

Mechanical Properties of steel grade Z 2 NKD 18.8

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)
185 (≥) 352 (≥) 21 14 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 431

Physical Properties of steel grade Z 2 NKD 18.8

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
31 - -     0.34 -  
632 211 - 22.3 132   -  
625 - 42 41.2   342 334

Heat Treatment of steel grade Z 2 NKD 18.8

Heat treated : 1179°C - 1863°C

Technological Curves of steel grade Z 2 NKD 18.8

Cross Reference Table (Equivalent Grade) of Z 2 NKD 18.8

Available Suppliers

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

Rfq.: sales@longhaisteel.com
  • Do you supply this Z 2 NKD 18.8?
  • List your company on S&G now? Join
  • Non-paying users only
Sidebar RFQs Menu My Account
Top