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2A12
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 1741A-2008 Specification for stretched plates of aluminium alloys
Standard GJB 2053A-2008 Specification for aluminium alloys structural sheet for aerospace
Standard YS /T 439-2001 Aluminium and aluminium alloy extruded flat bar
Standard GJB 1741-1993 Specification for stretched plates of aluminium alloys
Standard GJB 2379-1995 Specification for aluminium and aluminium alloys drawn(rolled) tubes for aerospace
Standard GJB 2662A-2008 Specification for aluminum alloy plate for aerospace
Standard GJB 6470-2008 Specification for aluminum alloy surface sheet for aerospace


Chemical Composition(%)


Standard Material Designation Chemical Composition (%)
GB /T 3190-2008 2A12
(LY12)
 
Min
Max
GB /T 3190-2020
Chemical Compositions of wrought aluminum and aluminium alloys 		2A12
(LY12)
 
Min
Max
GB /T 3191-2019
Extrusion rods and bars of aluminium and aluminium alloys 		2A12
(LY12)
 
Min
Max
GJB 1741A-2008
Specification for stretched plates of aluminium alloys 		2A12
 
Min
Max
GJB 2053A-2008
Specification for aluminium alloys structural sheet for aerospace 		2A12
 
Min
Max
YS /T 439-2001
Aluminium and aluminium alloy extruded flat bar 		2A12
(LY12)
 
Min
Max
GJB 1741-1993
Specification for stretched plates of aluminium alloys 		2024
(LY12)
(2A12)
 
Min
Max
GJB 2662A-2008
Specification for aluminum alloy plate for aerospace 		2A12
(LY12)
 
Min
Max
GJB 6470-2008
Specification for aluminum alloy surface sheet for aerospace 		2A12
 
Min
Max
GJB 2379-1995
Specification for aluminium and aluminium alloys drawn(rolled) tubes for aerospace 		LY12
(十二号硬铝)
(2A12)
 
Min
Max
For Reference Only
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