Strength in numbers

Aluminium Alloy   |   BS-L

3L58 'O' Wire

Commercial5056A - OBSOLETE

3L58 cold drawn and fully annealded soft wire rivet stock

Chemical Composition

BS 3L58(1971)
Alloy 3L58
Chemical Element % Present
Aluminium (Al) balance
Lead (Pb) 0.05 max
Tin (Sn) 0.05 max
Copper (Cu) 0.1 max
Nickel (Ni) 0.2 max
Zinc (Zn) 0.2 max
Titanium + Zirconium (Ti+Zr) 0.2 max
Chromium (Cr) 0.25 max
Silicon (Si) 0.3 max
Manganese (Mn) 0.5 max
Manganese + Chromium (Mn+Cr) 0.1 - 0.5
Iron (Fe) 0.5 max
Magnesium (Mg) 4.5 - 5.5

Material shall be supplied annealed.

Alloy Designations

Aluminium alloy 3L58 - 5056A is covered by Standard BS EN 3L58 (1971) 

Temper Types

The most common temper for 3L58 - 5056A aluminium rivet stock is cold drawn and fully annealed/fully soft

  • O

Supplied Forms

L58-5056A aluminium is supplied as cold drawn wire for rivet stock

  • Wire

Mechanical Properties

BS 3L58(1971)
Wire -
Mechanical Property Value
Tensile Strength 265 Min N/mm2

Material shall be subjected to a torsion test. This specification was declared obsolescent on 01 April 1999. It is susceptible to intergranular corrosion.