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

China HB DD3 航空用高温合金热处理工艺 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: DD3 / DD3
Category Grade Standard Region/Area Standard Content
Metals DD3 HB/Z 140 China 航空用高温合金热处理工艺

Chemical composition(mass fraction)(wt.%) of the DD3

Element Min Max Similar

Mechanical Properties of steel grade DD3

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)
226 (≥) 298 (≥) 43 34 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 142

Physical Properties of steel grade DD3

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
32 - -     0.11 -  
829 175 - 12.3 134   -  
324 - 44 13.2   444 431

Heat Treatment of steel grade DD3

Heat treated : 1514°C - 1473°C

Technological Curves of steel grade DD3

Cross Reference Table (Equivalent Grade) of DD3

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 DD3?
  • List your company on S&G now? Join
  • Non-paying users only
Sidebar RFQs Menu My Account
Top