7020 Alloy Data Sheet

Introduction

7020 is used a lot in frame manufacture eg. motorbike or bicycle frames. It's high strength also make it useful in armoured vehicles.

7020 Aluminium Alloy Data Sheet

Properties given are typical and should only be used for comparisons of alloys. Actual values will depend on section specification.

Forming Good
Machining Good
Welding Not Suitable
Brazing/Soldering Not Suitable
Protective Anodising Fair
Aesthetic Anodising Not Suitable
Mechanical Properties
Temper T6
Restrict Min N/mm 290
Stress Min N/mm 350
Chemical Composition EN AW-7020
Si 0.35
Fe 0.40
Cu 0.20
Mn 0.05-0.50
Mg 1.0-1.4
Cr 0.10-0.35
Zn 4.0-5.0
Others (each) 0.05
Others (total) 0.15
Aluminium Remainder

(The chemical composition of aluminium and aluminium alloys is supplied in percentage by mass. Limits are expressed as a maximum unless shown as a range or a minimum.)

Similar and Obsolete Specifications
BS H17 EN AW-7020
ISO AlZn4.5Mg1

Properties given are typical and should only be used for comparisons of alloys. Actual values will depend on section specification.

Aerospace materials are covered by the ā€˜Lā€™ series of British standards.

Capital Aluminium Extrusions Limited
Cleator Moor, Cumbria,
CA25 5QB, UNITED KINGDOM.