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China CNS 7020 铝及铝合金管 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 7020 / 7020
Category Grade Standard Region/Area Standard Content
Metals 7020 CNS H 3019 China 铝及铝合金管

Chemical composition(mass fraction)(wt.%) of the 7020

Element Min Max Similar

Mechanical Properties of steel grade 7020

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)
733 (≥) 145 (≥) 41 31 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 213

Physical Properties of steel grade 7020

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
23 - -     0.21 -  
283 644 - 41.3 232   -  
959 - 23 22.2   433 344

Heat Treatment of steel grade 7020

Heat treated : 1831°C - 1557°C

Technological Curves of steel grade 7020

Cross Reference Table (Equivalent Grade) of 7020

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