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China GB 7049A 变形铝及铝合金化学成分 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 7049A / 7049A
Category Grade Standard Region/Area Standard Content
Metals 7049A GB/T 3190 China 变形铝及铝合金化学成分

Chemical composition(mass fraction)(wt.%) of the 7049A

Element Min Max Similar
Al - - -
Total Others - 0.1500 -
Others Total - 0.0500 -
Zr+Ti - 0.2500 -
Zn 7.2000 8.4000 -
Cr 0.0500 0.2500 -
Mg 2.1000 3.1000 -
Mn - 0.5000 -
Cu 1.2000 1.9000 -
Fe - 0.5000 -
Si - 0.4000 -
Al - - -
Total Others - 0.1500 -
Others Total - 0.0500 -
Ti+Zr - 0.2500 -
Zn 7.2000 8.4000 -
Cr 0.0500 0.2500 -
Mg 2.1000 3.1000 -
Mn - 0.5000 -
Cu 1.2000 1.9000 -
Fe - 0.5000 -
Si - 0.4000 -
Zn 7.2000 8.4000 -
Total Others - 0.1500 -
Others Total - 0.0500 -
Ti+Zr - 0.2500 -
Si - 0.4000 -
Mn - 0.5000 -
Mg 2.1000 3.1000 -
Fe - 0.5000 -
Cu 1.2000 1.9000 -
Cr 0.0500 0.2500 -
Al - - -
Zn 7.2000 8.4000 -
Total Others - 0.1500 -
Others Total - 0.0500 -
Ti+Zr - 0.2500 -
Si - 0.4000 -
Mn - 0.5000 -
Mg 2.1000 3.1000 -
Fe - 0.5000 -
Cu 1.2000 1.9000 -
Cr 0.0500 0.2500 -
Al - - -

Mechanical Properties of steel grade 7049A

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)
112 (≥) 511 (≥) 21 43 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 223

Physical Properties of steel grade 7049A

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
12 - -     0.44 -  
773 342 - 12.3 233   -  
339 - 34 21.2   211 232

Heat Treatment of steel grade 7049A

Heat treated : 1953°C - 1895°C

Technological Curves of steel grade 7049A

Cross Reference Table (Equivalent Grade) of 7049A

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