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Global 企业标准 DEX80 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: DEX80 / DEX80
Category Grade Standard Region/Area Standard Content
Metals DEX80 -- Global

Chemical composition(mass fraction)(wt.%) of the DEX80

Element Min Max Similar
W - 14.0000 -
V - 5.5000 -
Si - 0.3000 -
Mo - 6.0000 -
Mn - 0.3000 -
Cr - 4.0000 -
Co - 12.0000 -
C - 2.1000 -

Mechanical Properties of steel grade DEX80

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)
255 (≥) 245 (≥) 41 41 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 421

Physical Properties of steel grade DEX80

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
11 - -     0.32 -  
742 579 - 14.3 121   -  
525 - 43 21.2   144 232

Heat Treatment of steel grade DEX80

Heat treated : 1517°C - 1393°C

Technological Curves of steel grade DEX80

Cross Reference Table (Equivalent Grade) of DEX80

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