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Grade EN AW-7075 [Al Zn5.5MgCu]
Corresponding Standard DIN EN 754-2-2017
Aluminium and Aluminium Alloys — Cold Drawn Rod/Bar and Tube — Part 2: Mechanical Properties
Classification Aluminum and Aluminum Alloys
EN AW-7075 [Al Zn5.5MgCu] Chemical Element Composition Content (%)
Component Fe Si Mn Cr Cu Ti Zn Mg Other Individual Other Total More
Minimum Value - - - 0.18 1.2 - 5.1 2.1 - - Al:余量；Zr+Ti≤0.25*
Maximum Value 0.5 0.4 0.3 0.28 2 0.2 6.1 2.9 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.
EN AW-7075 [Al Zn5.5MgCu] Mechanical Properties
condition Heat Treatment or Condition
Tensile Strength
σb
Mpa 		Yield Point
σs
Mpa 		Elongation or Extension Rate
δ
% 		Hardness
HBW
Cold drawn bars; d/s≤80 O，H111 ≤275 ≤165 ≥10(A)；
≥8(A50)		 60
Cold drawn bars; d/s≤80 Solution Heat Treatment + Artificial Aging (T6) ≥540 ≥485 ≥7(A)；
≥6(A50)		 150
Cold drawn bars; d/s≤80 Solid Solution + Stress Relief + Artificial Aging (T651) ≥540 ≥485 ≥5(A)；
≥4(A50)		 150
Cold drawn bars; d/s≤80 Solution heat treatment + artificial over-aging (T73)* ≥455 ≥385 ≥10(A)；
≥8(A50)		 135
Cold drawn bars; d/s≤80 Solution treatment + stress relief + artificial aging (T7351)* ≥455 ≥385 ≥8(A)；
≥6(A50)		 135
Cold drawn pipe; t≤20 O，H111 ≤275 ≤165 ≥10(A)；
≥8(A50)		 60
Cold drawn pipe; t≤20 Solution Heat Treatment + Artificial Aging (T6) ≥540 ≥485 ≥7(A)；
≥6(A50)		 150
Cold drawn pipe; t≤20 T6510；T6511 ≥540 ≥485 ≥5(A)；
≥4(A50)		 150
Cold drawn pipe; t≤20 Solution heat treatment + artificial over-aging (T73)* ≥455 ≥385 ≥10(A)；
≥8(A50)		 135
Cold drawn pipe; t≤20 T73510*；T73511* ≥455 ≥385 ≥8(A)；
≥6(A50)		 135

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