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

China HB DD402 航空用高温合金热处理工艺 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: DD402 / DD402
Category Grade Standard Region/Area Standard Content
Metals DD402 HB/Z 140 China 航空用高温合金热处理工艺

Chemical composition(mass fraction)(wt.%) of the DD402

Element Min Max Similar

Mechanical Properties of steel grade DD402

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)
196 (≥) 796 (≥) 24 32 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 324

Physical Properties of steel grade DD402

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
22 - -     0.21 -  
835 181 - 22.3 234   -  
723 - 23 11.2   443 231

Heat Treatment of steel grade DD402

Heat treated : 1976°C - 1673°C

Technological Curves of steel grade DD402

Cross Reference Table (Equivalent Grade) of DD402

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 DD402?
  • List your company on S&G now? Join
  • Non-paying users only
Sidebar RFQs Menu My Account
Top