Aluminum Square Bar

Yieh Corp.'s aluminum square bars have excellent corrosion resistance, good workability, and outstanding machinability, which are very versatile and in a wide range of applications. Our aluminum square bars can be applied in aerospace, construction, handles, medical equipment, and structural purposes.


Standard Specification

GB/T 3191


EN 754

EN 755

Available Size Range

  • Width :

    10x10 ~ 250x250 mm
  • Length :

    1,000 ~ 6,000  mm

Surface Finish

Mill Finish, unless otherwise specified

Surface Protection

Paper interleaved for bar

Production Process

Extruded, Cold Drawn

Form & Image


Alloy and Temper

Alloy Temper
2000 Series: 2014, 2024 T4, T6, T3511, T4511
5000 Series: 5083 O, H112
6000 Series: 6005, 6060, 6061, 6063, 6082, 6463 T4, T5, T6, T66, T6511
Alloy Series Chinese Standard American Standard European Standard
2000 Series 2014 2014 EN AW-2014
2024 2024 EN AW-2024
5000 Series 5083 5083 EN AW-5083
6000 Series 6005 6005 -
6060 6060 EN AW-6060
6061 6061 EN AW-6061
6063 6063 EN AW-6063
6082 6082 EN AW-6082
6463 6463 EN AW-6463
Temper Definition
O Annealed
H112 Slightly strain harden from working at an elevated temperature or from limited amount of cold work
T4 Solution heat-treated and naturally aged
T5 Cooled from an elevated temperature shaping process and then artificially aged
T6 Solution heat-treated and then artificially aged
T66 Solution heat-treated and then artificially aged - mechanical property level higher than T6 achieved through special control of the process (6000 series alloys)
T3511 Solution heat-treated and stress-relieved by stretching to produce a normal permanent set of 1-1.5%, but not less than 1% nor more than 3%
T6511 Solution heat-treated, stress-relieved by stretching and artificially aged with minor straightening