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

China GB T69800 加工铜及铜合金牌号和化学成分 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: T69800 / T69800
Category Grade Standard Region/Area Standard Content
Metals T69800 GB/T 5231 China 加工铜及铜合金牌号和化学成分

Chemical composition(mass fraction)(wt.%) of the T69800

Element Min Max Similar
Zn - - -
Sn - 0.3000 -
Pb - 0.1000 -
Others total - 0.5000 -
Mg 0.5000 2.0000 -
Fe - 0.2000 -
Cu 59.0000 61.0000 -
Cd - 0.0100 -
Bi 0.3000 0.8000 -

Mechanical Properties of steel grade T69800

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)
638 (≥) 189 (≥) 34 13 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 223

Physical Properties of steel grade T69800

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
34 - -     0.44 -  
688 346 - 34.3 132   -  
411 - 42 14.2   111 324

Heat Treatment of steel grade T69800

Heat treated : 1459°C - 1122°C

Technological Curves of steel grade T69800

Cross Reference Table (Equivalent Grade) of T69800

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 T69800?
  • List your company on S&G now? Join
  • Non-paying users only
Sidebar RFQs Menu My Account
Top