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EN AW-Al Zn5,5MgCu(B) | EN AW-7175 Material Datasheet

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Material Description

Material Number Material Name Material Number (single) Standard Scope Standard Status Country Predecessor VDA 231-106 classification
EN AW-7175 (DIN EN 573-3 : 2026-05) EN AW-Al Zn5,5MgCu(B) EN AW-7175 DIN EN 573-3 : 2026-05 Supersedes DIN EN 573-3 : 2022-09/2024-03 Valid Germany EN AW-Al Zn5,5MgCu(B) 2.1 1)
1) Remark: Highest strength artificially age-hardenable AlZn alloy for high loaded aerospace and mechanical engineering components. The alloy is not food safe.

Chemical Composition

Cr [%] Cu [%] Fe [%] Mg [%] Mn [%] Si [%] Ti [%] Zn [%] Remainder
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Physical Properties

Semi-finished Product Condition Temperature [°C] Melting Temperature [°C] Density [g/cm³] Young's Modulus [GPa] Bulk Modulus [GPa] Shear Modulus [GPa] Mean Coefficient of Thermal Expansion [10^-6*K^-1] Mean Coefficient of Thermal Expansion (reference 20°C) [10^-6*K^-1] Thermal Conductivity [W/(m*K)] Electric Conductivity [MS/m] Magnetizeability
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Fracture Toughness

Semi-finished Product Condition Temperature [°C] Yield Strength [MPa] Specimen Direction Plane-Strain Fracture Toughness KIc [MPa*m^½]
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Welding and Joining

Procedure Welding and Joining - Evaluation
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Heat Treatment

Heat Treatment Step Temperature [°C] Holding Time [h] Medium
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Cross Reference

Material Name Country Standard
EN AW-Al Zn5,5MgCu(B) Europe EN 573-3
в95 Russia 1)
V95 Russia 1)
7175 USA International Registration Record (AA)
A97175 USA UNS 1)
A97175 USA AMS 4148
A97175 USA AMS 4149
A97175 USA AMS 4179
A97175 USA AMS 4344
A97175 USA AMS-A-22771
A97175 USA AMS-QQ-A-200/15
B247 Alloy 7175 USA ASTM B247
B918 Alloy 7175 USA ASTM B918
AlZn5,6Mg2,5Cu1,6 Germany WL 3.4334
3.4334 Germany WL 3.4334
EN AW-AlZn5,5MgCu(B)
AlZn5,5MgCu(B)
1) Source: Worldwide Guide to Equivalent Nonferrous Metals and Alloys, ASM International, 2001

Producer/Supplier/Trade names

Tradename Supplier
AZ69 OTTO FUCHS KG, Meinerzhagen
AZ63 OTTO FUCHS KG, Meinerzhagen

Classification

WIAM Material Treatment Semi-finished product Dimension [mm] Load type Failure criteria Rolling direction Maximum stress [MPa] Strain at maximum stress [%] Source description
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Density

Temperature [°C] Density [g/cm³]
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Linear-elastic

Temperature [°C] Young's modulus [GPa] Bulk modulus [GPa] Shear modulus [GPa] Poisson's ratio
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Coefficient thermal expansion

Related Temperature [°C] Temperature [°C] Coefficient thermal expansion [10^-6*K^-1]
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Thermal conductivity

Temperature [°C] Thermal conductivity [W/(m*K)]
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Designation

Designation Material number Source
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Classification

WIAM Material Treatment Semi-finished product Dimension [mm] Load type Failure criteria Rolling direction Maximum stress [MPa] Strain at maximum stress [%] Source description
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Linear-elastic

Temperature [°C] Young's modulus [GPa] Bulk modulus [GPa] Shear modulus [GPa] Poisson's ratio
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Classification

WIAM Material Treatment Semi-finished product Dimension [mm] Load type Failure criteria Rolling direction Maximum stress [MPa] Strain at maximum stress [%] Source description
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Linear-elastic

Temperature [°C] Young's modulus [GPa] Bulk modulus [GPa] Shear modulus [GPa] Poisson's ratio
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Classification

WIAM Material Treatment Semi-finished product Dimension [mm] Load type Failure criteria Rolling direction Maximum stress [MPa] Strain at maximum stress [%] Source description
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Linear-elastic

Temperature [°C] Young's modulus [GPa] Bulk modulus [GPa] Shear modulus [GPa] Poisson's ratio
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