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

China GB W71 照明及电子设备用钨丝 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: W71 / W71
Category Grade Standard Region/Area Standard Content
Metals W71 GB/T 23272 China 照明及电子设备用钨丝

Chemical composition(mass fraction)(wt.%) of the W71

Element Min Max Similar
Sb - 0.0005 -
Pb - 0.0005 -
Cu - 0.0005 -
Cd - 0.0005 -
Bi - 0.0005 -
Si - 0.0010 -
Ti - 0.0010 -
Ni - 0.0010 -
Na - 0.0010 -
Mn - 0.0010 -
Mg - 0.0010 -
Cr - 0.0010 -
Ca - 0.0010 -
As - 0.0010 -
Sn - 0.0020 -
Co - 0.0200 -
Mo - 0.0030 -
Al - 0.0015 -
Fe - 0.0020 -
K 0.0065 0.0100 -
W 99.9000 - -

Mechanical Properties of steel grade W71

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)
854 (≥) 129 (≥) 14 23 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 313

Physical Properties of steel grade W71

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 - -     0.43 -  
876 361 - 23.3 221   -  
451 - 33 23.2   123 211

Heat Treatment of steel grade W71

Heat treated : 1578°C - 1964°C

Technological Curves of steel grade W71

Cross Reference Table (Equivalent Grade) of W71

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 W71?
  • List your company on S&G now? Join
  • Non-paying users only
Sidebar RFQs Menu My Account
Top