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Aluminium Casting Expertise, From Melt to Finished Casting

Since 1982, Alert Engineering Works has manufactured aluminium alloy castings using gravity die casting and sand casting processes. We support one-off development work through to larger production batches, with casting weights from 10 g up to 500 kg per piece.

Casting Processes & Production Range

  • Gravity die casting and sand casting in a range of aluminium alloys
  • Batch sizes from one-off castings to larger production quantities
  • Single-piece casting weights from 10 g up to 465 kg
  • Current production and developed castings, including special aluminium-tin alloy grades

Melt Quality & Process Control

Our foundry uses gas melting furnaces. Aluminium melt quality is checked using rotary degassing, a vacuum test system and a thermal analysis system, with check results recorded in the relevant software.

Aluminium Alloy Grades

BS 1490: LM4, LM5, LM6, LM9, LM13, LM16, LM25

ASTM: 204, 208, 319, 154, A413, A360, 336, 355, A356, 356

DIN: AlSiC4, AlMg5, AlSi12, AlSi10Mg, AlSi12Cu, AlSi5Cu1Mg, AlSi7Mg

Special alloy: ASTM B850 (tin alloy with Si – 0.4% max and Tin 5.5–7%)