7075-T73 Aluminum: SCC-Resistant Over-Aged Aerospace Grade

ASTM/AMS Standard · Published: 2026-06-01 · Updated: 2026-06-02

Quick Reference

Aluminum alloy grade providing specified mechanical properties for aerospace and industrial applications. The temper designation defines the specific heat treatment condition and resulting property profile.

Aluminum alloy grade providing specified mechanical properties for aerospace and industrial applications. The temper designation defines the specific heat treatment condition and resulting property profile.

Quick Facts

CategoryAluminum Alloy
StandardASTM/AMS Standard
Density2.75 g/cm³
Yield Strength434 MPa (63 ksi)
Tensile Strength503 MPa (73 ksi)

Global Equivalents & Cross-Reference

Alternative Standard / GradeAction
EN AW-7075 T73 Compare
AlZn5.5MgCu T73 Compare
AA7075-T73 Compare

Related Materials

🧮 Material Weight Calculator

Calculate the weight based on this material's density: 2.75 g/cm³

Frequently Asked Questions

What applications is this aluminum alloy suited for?

This grade is specified for structural and mechanical applications where its specific combination of strength, corrosion resistance, or machinability is required. Reference the appropriate AMS or ASTM specification for complete requirements.

References & International Standards

  • ASTM International. Standard Specifications for Steel & Metal Alloys. astm.org
  • International Organization for Standardization (ISO). Metallic Materials — Cross-Reference Database. iso.org
  • American Iron and Steel Institute (AISI). Steel Grade Designations & Equivalents. steel.org
  • European Committee for Standardization (CEN). EN Steel Standards & Numbering System. cencenelec.eu