LC9 九号超硬铝 - GJB 1741-1993

Grade	LC9
Other Names
Corresponding Standard	GJB 1741-1993 Specification for stretched plates of aluminium alloys
Classification	Aluminum and Aluminum Alloys

LC9 Chemical Element Composition Content (%)

Component	Fe	Si	Mn	Cr	Cu	Zn	Mg	Other Individual	Other Total	More
Minimum Value	-	-	-	0.16	1.2	5.1	2	-	-	Al余量
Maximum Value	0.5	0.5	0.15	0.3	2	6.1	3	0.05	0.1	Al余量

"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.

LC9 Mechanical Properties

thickness t mm	Mark	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %
6.5~12	LC9-BCSYu	BCSYu	≥540	≥460	A50mm ≥9
>12~25	LC9-BCSYu	BCSYu	≥540	≥470	5D ≥7

LC9 Corresponding Standards(Same grade name, different standards)

1	GB /T 3190-2008
	(LC9) 7A09
2	GB /T 3190-2020
	(LC9) 7A09
3	GB /T 3191-2019
	(LC9) 7A09
4	GJB 1741-1993
	LC9 九号超硬铝
5	GB /T 3880.1-2012
	(LC9) 7A09

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