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Material
LC4
Standard
GB /T 3190-2008
Standard
GB /T 3190-2020
Chemical Compositions of wrought aluminum and aluminium alloys
Standard
GB /T 3191-2019
Extrusion rods and bars of aluminium and aluminium alloys
Standard
GJB 1741-1993
Specification for stretched plates of aluminium alloys
Chemical Composition
(%)
Standard
Material Designation
Chemical Composition (%)
GB /T 3190-2008
7A04
(
LC4
)
Min
Max
GB /T 3190-2020
Chemical Compositions of wrought aluminum and aluminium alloys
7A04
(
LC4
)
Min
Max
GB /T 3191-2019
Extrusion rods and bars of aluminium and aluminium alloys
7A04
(
LC4
)
Min
Max
GJB 1741-1993
Specification for stretched plates of aluminium alloys
LC4
(
四号超硬铝
)
Min
Max
For Reference Only
