Aluminum 6061

Materials > Aluminum 6061

Material Characteristics

Corrosion resistance, lightweight.


Housings, impellers, bearing blocks, jigs and fixtures, gearboxes, brackets, moulds, heat sinks, structural nodes, electrical enclosures.
SPEE3D as heat treated microstructure


Element Percentage
Si 0.59%
Mg 0.86%
Cu 0.25%
Cr <0.08%
Fe 0.18%
Mn 0.02%
Ti 0.01%
Zn <0.01%

Mechanical Properties

CAST (reference) SPEE3D PRINTED WROUGHT (reference)
Standard 356.0 spec3 Aluminium 6061 as heat treated4 6061-T6 spec5
Yield Strength (MPa) ASTM E82 138 160 (min) 240
Ultimate Tensile Strength (MPa) ASTM E82 207 220 (min) 260
Elongation at break (%) ASTM E82 3 4.5 (min) 8
Hardness Rockwell B (HRB) ASTM E18 30 36 (typ) 55
  1. Properties shown reflect beta processing parameters. Properties were obtained for heat treatment loads between 0.2 kg and 3 kg.
  2. Specimens tested according to ASTM E8.
  3. From the ASTM-B26 standard.
  4. Samples were heat treated according to SPEE3D’s standard operating procedure.
  5. From the ASTM-B308/B308M standard, sample thickness less than 1/4″.

Listed designations are for reference purposes only. Composition and mechanical properties may vary. End-use material performance is impacted (+/-) by certain factors including but not limited to part geometry and design, application and evaluation conditions.