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Grade 7050
Corresponding Standard GB /T 29503-2013
Aluminium Alloys Stretched Plates
Classification Aluminum and Aluminum Alloys
7050 Chemical Element Composition Content (%)
Component Fe Si Mn Cr Cu Ti Zr Zn Mg Other Individual Other Total More
Minimum Value - - - - 2 - 0.08 5.7 1.9 - - Al余量
Maximum Value 0.15 0.12 0.1 0.04 2.6 0.06 0.15 6.7 2.6 0.05 0.15
"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.
7050 Mechanical Properties
thickness
t
mm		 Mark
Heat Treatment or Condition
Tensile Strength
σb
Mpa 		Yield Point
σs
Mpa 		Elongation or Extension Rate
δ
%
6.5≤t≤12.5 7050T7451 T7451 ≥510 ≥440 Longitudinal: ≥ 10 (A50)
Transverse: ≥ 9 (A50)
12.5＜t≤51 T7451 ≥510 ≥440 Longitudinal: ≥ 10 (A50)
Transverse: ≥ 9 (A50)
51＜t≤76 T7451 ≥505 ≥435 Longitudinal: ≥9(A)
Transverse: ≥8(A)
51＜t≤76 T7451 ≥470 ≥405 High Direction: ≥3 (A)
76＜t≤102 T7451 ≥495 ≥425 Longitudinal: ≥9(A)
Transverse: ≥6(A)
76＜t≤102 T7451 ≥470 ≥400 High Direction: ≥3 (A)
102＜t≤127 T7451 ≥490 ≥420 Longitudinal: ≥9(A)
Transverse: ≥5(A)
102＜t≤127 T7451 ≥460 ≥390 High Direction: ≥3 (A)
127＜t≤152 T7451 ≥485 ≥415 Longitudinal: ≥8(A)
Transverse: ≥4(A)
127＜t≤152 T7451 ≥460 ≥395 High Direction: ≥3 (A)
152＜t≤178 T7451 ≥475 ≥405 Longitudinal: ≥7(A)
Transverse: ≥4(A)
152＜t≤178 T7451 ≥455 ≥385 High Direction: ≥3 (A)
178＜t≤200 T7451 ≥470 ≥400 Longitudinal: ≥6(A)
Transverse: ≥4(A)
178＜t≤200 T7451 ≥450 ≥380 High Direction: ≥3 (A)
6.35≤t≤12.5 7050T7651 T7651 ≥525 ≥455 Longitudinal: ≥9(A50)
Transverse: ≥8(A50)
12.5＜t≤25.4 T7651 ≥525 ≥455 Longitudinal: ≥9(A)
Transverse: ≥8(A)
25.4＜t≤38.1 T7651 ≥530 ≥460 Longitudinal: ≥9(A)
Transverse: ≥8(A)
38.1＜t≤50.8 T7651 ≥525 ≥455 Longitudinal: ≥9(A)
Transverse: ≥8(A)
50.8＜t≤76.2 T7651 ≥525 ≥455 Longitudinal: ≥8(A)
Transverse: ≥7(A)
50.8＜t≤76.2 T7651 ≥480 ≥415 High Direction: ≥3 (A)
7050 Corresponding Standards(Same grade name, different standards)
1 GB /T 3190-2008
7050
2 JIS H 4040-2006
7050 A7050 BE
3 GB /T 3195-2016
7050
4 GB /T 3190-2020
7050
5 GB /T 29503-2013
7050

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