AlSi10Mg(Cu) – Aluminium Silicium Alloy 233

AlSi10Mg(Cu)

VDS-number: Alloy 233

Designation (conforming to DIN EN 1706)

  • Chemical EN AC: AlSi10Mg(Cu)
  • Numerical EN AC: 43200

Mechanical properties (conforming to DIN EN 1706)

Mechanical properties of sand casting alloys in ingot form*:
Without heat treatment:
  • Tensile strength Rm min. 160 N/mm²
  • Proof stress Rp0,2 min. 80 N/mm
  • Elongation A50mm min. 1 %
  • Brinell hardness: 50 HBS
With heat treatment T6:
  • Tensile strength Rm min. 220 N/mm²
  • Proof stress Rp0,2 min. 180 N/mm
  • Elongation A50mm min. 1 %
  • Brinell hardness: 75 HBS
 Mechanical properties of chill casting alloys in ingot form*:
Without heat treatment:
  • Tensile strength Rm min. 180 N/mm²
  • Proof stress Rp0,2 min. 90 N/mm
  • Elongation A50mm min. 1 %
  • Brinell hardness: 55 HBS
With heat treatment T6:
  • Tensile strength Rm min. 240 N/mm²
  • Proof stress Rp0,2 min. 200 N/mm
  • Elongation A50mm min. 1 %
  • Brinell hardness: 80 HBS

Application notes

This important group of casting alloys is used for castings with medium wall thicknesses which require higher, to the highest strength properties. The fields of application comprise mechanical and electrical engineering, the food industry, as well as in engine and motor vehicle construction.

*) Values in brackets are valid for test pieces cast according to DIN EN AC 1706

Examples