2A90 LD9 - GB /T 3190-2008

Grade	2A90
Old Grade
Corresponding Standard	GB /T 3190-2008 Wrought aluminium and aluminium alloy - Chemical composition
Classification	Aluminum and Aluminum Alloys

2A90 Chemical Element Composition Content (%)

Component	Fe	Si	Mn	Ni	Cu	Ti	Zn	Mg	Other Individual	Other Total	More
Minimum Value	0.5	0.5	-	1.8	3.5	-	-	0.4	-	-	Al:Remainder
Maximum Value	1	1	0.2	2.3	4.5	0.15	0.3	0.8	0.05	0.1	Al:Remainder

"Other individual elements or other totals": The chemical composition includes elements not specified in the table. Analysis should only be conducted if these elements are suspected to be present, or if routine analysis suggests that their content may exceed the prescribed limits.

Approximate Comparison Table Wrought Aluminum and Aluminum Alloy

China		Japan	United States		International Organization for Standardization		France	European Standard
GB	ISC	JIS	ASTM	UNS	ISO	Numerical Grade	NF EN/NF	EN
2A90 (LD9)	2018	2018 A92018	2018	A92018	AlCu4Ni2Mg	A92018	A-U4N2G 2018 A92018	EN-AW-AlCu4Ni2Mg

2A90 Corresponding Standards(Same grade name, different standards)

1	GB /T 3190-2008
	2A90 (LD9)
2	GB /T 3190-2020
	2A90 (LD9)
3	GB /T 3191-2019
	2A90 (LD9)

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!