7040-T7451 - SAE AMS 4211B-2007

Grade	7040-T7451
Corresponding Standard	SAE AMS 4211B-2007 Aluminum Alloy, Plate 6.2Zn - 1.9Cu - 2.1Mg - 0.10Zr (7040-T7451) Solution Heat Treated, Stress Relieved, and Overaged
Classification	Aluminum and Aluminum Alloys

7040-T7451 Chemical Element Composition Content (%)

Component	Fe	Si	Mn	Cr	Cu	Ti	Zr	Zn	Mg	Other Individual	Other Total	More
Minimum Value	-	-	-	-	1.5	-	0.05	5.7	1.7	-	-	Al:余量
Maximum Value	0.13	0.1	0.04	0.04	2.3	0.06	0.12	6.7	2.4	0.05	0.15	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.

7040-T7451 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 %
76≤t≤102	Longitudinal	T7451	≥483	≥427	≥8
	Longitudinal - Transverse		≥490	≥427	≥5
	Short - Transverse		≥476	≥407	≥2
102<t≤127	Longitudinal		≥483	≥427	≥8
	Longitudinal - Transverse		≥490	≥427	≥5
	Short - Transverse		≥469	≥420	≥2
127<t≤152	Longitudinal		≥483	≥427	≥7
	Longitudinal - Transverse		≥483	≥421	≥4
	Short - Transverse		≥469	≥400	≥2
152<t≤178	Longitudinal		≥476	≥427	≥6
	Longitudinal - Transverse		≥476	≥414	≥3
	Short - Transverse		≥462	≥393	≥2
178<t≤203	Longitudinal		≥469	≥421	≥5
	Longitudinal - Transverse		≥476	≥414	≥3
	Short - Transverse		≥455	≥393	≥2
203<t≤229	Longitudinal		≥469	≥421	≥5
	Longitudinal - Transverse		≥469	≥407	≥3
	Short - Transverse		≥455	≥386	≥2

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