7020 A7020 BE A7020 BD - JIS H 4040-2015

Grade	7020
Other Names
Corresponding Standard	JIS H 4040-2015 Aluminium and Aluminium Alloy Bars and Wires
Classification	Aluminum and Aluminum Alloys

7020 Chemical Element Composition Content (%)

Component	Fe	Si	Mn	Cr	Cu	Zr	Zn	Mg	Other Individual	Other Total	More
Minimum Value	-	-	0.05	0.1	-	0.08	4	1	-	-	Al:余量；Zr+Ti:0.08~0.25
Maximum Value	0.4	0.35	0.5	0.35	0.2	0.2	5	1.4	0.05	0.15	Al:余量；Zr+Ti:0.08~0.25

"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.

7020 Mechanical Properties

condition	Mark	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %
Extruded bar (BE); d≤50	7020 T6	Solution Heat Treatment + Artificial Aging (T6)	≥350	≥290	A ≥10
Extruded Bar (BE); 50<d≤200		Solution Heat Treatment + Artificial Aging (T6)	≥340	≥275	≥10
Cold-drawn bars (BD); d≤50		Solution Heat Treatment + Artificial Aging (T6)	≥350	≥280	≥10
Cold-drawn bars (BD); d≤50	7020 T5	High Temperature Forming Process Cooling + Artificial Aging (T5)	≥350	≥280	≥10

① A50mm、A（5.65√S0）- gauge length，S0-Specimen area，s=S0，unit mm sq
② d-diameter、thickness or width across flats, unit mm；s - cross section area, unit mm sq

7020 Corresponding Standards(Same grade name, different standards)

1	GB /T 3190-2008
	7020
2	DIN 1725-1-1983
	7020 AlZn4.5Mg1 3.4335
3	GB /T 3190-2020
	7020
4	JIS H 4040-2015
	7020 A7020 BE A7020 BD
5	GB /T 3191-2019
	7020
6	GB /T 3880.1-2012
	7020

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