AC4B

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

AC4B is an aluminium alloy of the Al-Si-Cu system from the AC series (JIS H 5202).

Characteristics

Higher strength than the AC2 series
Good castability and machinability
Responds to T5 and T6 heat treatment

Typical Applications

Gearbox housings
Industrial machinery bearing housings
Agricultural equipment components

Mechanical properties in T6 condition.

Chemical composition

Element	Min (%)	Max (%)
Si	7.000	10.000
Cu	2.000	4.000
Fe	—	1.000
Mg	—	0.500
Mn	—	0.500
Zn	—	1.000
Ni	—	0.350
Ti	—	0.200

Mechanical properties

Tensile strength: 230 - 270 MPa Hardness: 80 - 100 HB

Applications

Housing gearboxHousing bearing mesin industriKomponen alat pertanian

Advantages

Kekuatan lebih tinggi dari seri AC2Castability dan machinability baikDapat diberi perlakuan panas T5 dan T6

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AC2B

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