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

France AFNOR NF 20ND8 Non standardized steels and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 20ND8 / 20 ND 8
Category Grade Standard Region/Area Standard Content
Metals 20 ND 8 -- France Non standardized steels

Chemical composition(mass fraction)(wt.%) of the 20 ND 8

Element Min Max Similar

Mechanical Properties of steel grade 20 ND 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)
686 (≥) 378 (≥) 12 24 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 113

Physical Properties of steel grade 20 ND 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
23 - -     0.12 -  
975 513 - 22.3 324   -  
227 - 12 43.2   141 124

Heat Treatment of steel grade 20 ND 8

Heat treated : 1748°C - 1466°C

Technological Curves of steel grade 20 ND 8

Cross Reference Table (Equivalent Grade) of 20 ND 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 20 ND 8?
  • List your company on S&G now? Join
  • Non-paying users only
Sidebar RFQs Menu My Account
Top