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

International ISO 3CD70B Steel wire rod - Part 2: Quality requirements for unalloyed steel wire rods for conversion to wire and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 3CD70B / 3CD70B
Category Grade Standard Region/Area Standard Content
Metals 3CD70B ISO 8457-2 International Steel wire rod - Part 2: Quality requirements for unalloyed steel wire rods for conversion to wire

Chemical composition(mass fraction)(wt.%) of the 3CD70B

Element Min Max Similar
Si 0.1000 0.3500 -
S - 0.0300 -
P - 0.0300 -
Mn 0.6000 1.0000 -
C 0.6800 0.7300 -

Mechanical Properties of steel grade 3CD70B

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)
823 (≥) 399 (≥) 41 32 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 323

Physical Properties of steel grade 3CD70B

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
33 - -     0.11 -  
188 492 - 42.3 124   -  
267 - 14 24.2   243 232

Heat Treatment of steel grade 3CD70B

Heat treated : 1349°C - 1113°C

Technological Curves of steel grade 3CD70B

Cross Reference Table (Equivalent Grade) of 3CD70B

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 3CD70B?
  • List your company on S&G now? Join
  • Non-paying users only
Sidebar RFQs Menu My Account
Top