LF2 二号防锈铝 5A02 - GJB 2379-1995

Grade	LF2
Other Names
Corresponding Standard	GJB 2379-1995 Specification for aluminium and aluminium alloys drawn(rolled) tubes for aerospace
Classification	Aluminum and Aluminum Alloys

LF2 Chemical Element Composition Content (%)

Component	Fe	Si	Mn ^*	Cu	Ti	Mg	Other Individual	Other Total	More
Minimum Value	-	-	0.15	-	-	2	-	-	Al余量；Fe+Si≤0.6
Maximum Value	0.4	0.4	0.4	0.1	0.15	2.8	0.05	0.15	Al余量；Fe+Si≤0.6

"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.

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

LF2 Mechanical Properties

	Heat Treatment or Condition	Tensile Strength σ_b Mpa
All Sizes	M	167~225
All Sizes	Y2	≥205
d<50,t≤5	Y	≥225
d≥50,t≤5	Y	≥215

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

LF2 Corresponding Standards(Same grade name, different standards)

1	GB /T 3190-2008
	(LF2) 5A02
2	GB /T 3195-2016
	(LF2) 5A02
3	ASTM A350/A350M-2018
	LF2 A350 Grade LF2 Class 1
4	GB /T 3190-2020
	(LF2) 5A02
5	GJB 2054-1994
	LF2 二号防锈铝 5A02
6	GJB 2379-1995
	LF2 二号防锈铝 5A02
7	GB /T 3880.1-2012
	(LF2) 5A02

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