3A21 LF21 - GB /T 3880.1-2012

Grade	3A21
Old Grade
Corresponding Standard	GB /T 3880.1-2012 Wrought aluminium and aluminium alloy plate, sheets and strips for general engineering - Part 1: Technical conditions of delivery
Classification	Aluminum and Aluminum Alloys

3A21 Chemical Element Composition Content (%)

Component	Fe	Si	Mn	Cu	Ti	Zn ^①	Mg	Other Individual	Other Total	More
Minimum Value	-	-	1	-	-	-	-	-	-	Al余量
Maximum Value	0.7	0.6	1.6	0.2	0.15	0.1	0.05	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.

Approximate Comparison Table Wrought aluminum and aluminum alloy

China		Japan	United States		International Organization for Standardization		European Standard
GB	ISC	JIS	ASTM	UNS	ISO	Numerical Grade	EN
3A21 (LF21)	3203	3203 A93203	3203	A93203	AlMn(B)	A93203	EN-AW-AlMn(B)

3A21 Corresponding Standards(Same grade name, different standards)

1	GB /T 3190-2008
	3A21 (LF21)
2	GB /T 3195-2016
	3A21 (LF21)
3	GB /T 3190-2020
	3A21 (LF21)
4	GB /T 3191-2019
	3A21
5	GJB 2053A-2008
	3A21 (LF21)
6	GJB 2379-1995
	3A21 LF21 二十一号工防锈铝
7	GB /T 3880.1-2012
	3A21 (LF21)

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