L3 三号工业纯铝 - GJB 2379-1995

Grade	L3
Other Names
Corresponding Standard	GJB 2379-1995 Specification for aluminium and aluminium alloys drawn(rolled) tubes for aerospace
Classification	Aluminum and Aluminum Alloys

L3 Chemical Element Composition Content (%)

Component	Fe	Si	Cu	Al	Other Individual	More
Minimum Value	-	-	-	99.5	-	Fe+Si≤0.45
Maximum Value	0.3	0.3	0.015	-	0.03	Fe+Si≤0.45

Chemical composition in accordance with GB 3190-82
The four-character grades in the other names are from GB/T 3190-2008

L3 Mechanical Properties

	Mark	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Elongation or Extension Rate δ %
All Sizes	L3Y	Y	≥69	-
All Sizes	L3M	M	≤118	≥20

Code and condition: M (O) = Soft；Y (HX8) = Hard；Y2 (HX4) = Half-Hard；CZ (T4) = Solution Heat Treated + Natural Aging；CS (T6) = Solution Heat Treated + Artificial Aging; New code name in parentheses

L3 Corresponding Standards(Same grade name, different standards)

1	ASTM A681-2008(R2015)
	L3 A681 Type L3 T61203
2	GB /T 3191-2019
	(L3) 1050A
3	GJB 2379-1995
	L3 三号工业纯铝

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