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Global 企业标准 DEX20 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: DEX20 / DEX20
Category Grade Standard Region/Area Standard Content
Metals DEX20 -- Global

Chemical composition(mass fraction)(wt.%) of the DEX20

Element Min Max Similar

Mechanical Properties of steel grade DEX20

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)
959 (≥) 852 (≥) 34 41 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 421

Physical Properties of steel grade DEX20

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
42 - -     0.42 -  
372 265 - 33.3 412   -  
428 - 31 32.2   223 344

Heat Treatment of steel grade DEX20

Heat treated : 1445°C - 1892°C

Technological Curves of steel grade DEX20

Cross Reference Table (Equivalent Grade) of DEX20

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