AC4A

JIS H 5202 Ingot / AC (Sand & Gravity Casting) / Al-Si-MgMolten Aluminium / AC (Sand & Gravity Casting) / Al-Si-Mg

AC4A is an aluminium alloy of the Al-Si-Mg system from the AC series (JIS H 5202).

Characteristics

  • Strong response to T6 heat treatment
  • Corrosion resistant and weldable
  • Good pressure tightness

Typical Applications

  • Cylinder heads and intake manifolds
  • Hydraulic cylinders and pump housings
  • Compressor housings

Mechanical properties in T6 condition.

Chemical composition

Element Min (%) Max (%)
Si 8.000 10.000
Mg 0.170 0.350
Fe — 0.550
Cu — 0.200
Mn — 0.500
Zn — 0.150
Ti 0.100 0.300

Mechanical properties

Tensile strength: 240 - 280 MPa Hardness: 80 - 95 HB

Applications

Kepala silinder dan intake manifoldSilinder dan pompa hidrolikHousing kompresor

Advantages

Respons sangat baik terhadap perlakuan panas T6Tahan korosi dan dapat dilasKedap tekanan baik
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