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

Bulgaria BDS A12 Free-cutting steels and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: A12 / A12
Category Grade Standard Region/Area Standard Content
Metals A12 BDS 6886 Bulgaria Free-cutting steels

Chemical composition(mass fraction)(wt.%) of the A12

Element Min Max Similar

Mechanical Properties of steel grade A12

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)
968 (≥) 411 (≥) 21 44 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 142

Physical Properties of steel grade A12

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
44 - -     0.34 -  
853 411 - 21.3 241   -  
317 - 31 34.2   234 424

Heat Treatment of steel grade A12

Heat treated : 1975°C - 1497°C

Technological Curves of steel grade A12

Cross Reference Table (Equivalent Grade) of A12

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 A12?
  • List your company on S&G now? Join
  • Non-paying users only
Sidebar RFQs Menu My Account
Top