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

34 CD 3 u

France AFNOR NF 34CD3u Quenched and tempered steels - Part 1: technical delivery conditions for specials steels and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 34CD3u / 34 CD 3 u
Category Grade Standard Region/Area Standard Content
Metals 34 CD 3 u NF A35-552-1 France Quenched and tempered steels - Part 1: technical delivery conditions for specials steels

Chemical composition(mass fraction)(wt.%) of the 34 CD 3 u

Element Min Max Similar
Si - 0.4000 -
S 0.0200 0.0400 -
P - 0.0350 -
Mo 0.1500 0.3000 -
Mn 0.6000 0.9000 -
Cr 0.9000 1.2000 -
C 0.3000 0.3700 -

Mechanical Properties of steel grade 34 CD 3 u

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)
279 (≥) 292 (≥) 13 43 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 131

Physical Properties of steel grade 34 CD 3 u

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 - -     0.42 -  
218 413 - 41.3 321   -  
766 - 12 21.2   313 433

Heat Treatment of steel grade 34 CD 3 u

Heat treated : 1255°C - 1656°C

Technological Curves of steel grade 34 CD 3 u

Cross Reference Table (Equivalent Grade) of 34 CD 3 u

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 34 CD 3 u?
  • List your company on S&G now? Join
  • Non-paying users only
Sidebar RFQs Menu My Account
Top