Alloy АЦРIV used: for the manufacture of castings of various high-temperature parts by various casting methods (sand casting, chill casting, semi-solid forging).

Note

Heat-resistant aluminum alloy system Al-Ce-Cu.

Standards

Name	Code	Standards
Castings, non-ferrous metals and alloys	В84	OST 1 90237-76

Chemical composition

Standard	Mn	Si	Fe	Cu	Al	Sb	Ce	Zr	Mg
OST 1 90237-76	0.7-1.1	1.2-2	≤0.4	2.5-3.5	Rest	≤0.3	4.5-5.5	0.1-0.35	0.1-0.4

Al is the base.
According to OST 1 90237-76 the content of antimony is optional - it is introduced by calculation if it is necessary to obtain an increased hardness of at least 85 kg / mm ² .

Mechanical properties

σ_U, MPa	d₅, %	HB, MPa
Casting as supplied. Without heat treatment
≥157	≥1	≥65
Casting. Mode T1: Artificial aging without prior tempering at 200-220 °C (10-12 h exposure)
≥177	≥1	≥70
≥226	≥2	-

Description mechanical marks

Name	Description
σ_U	Limit short-term strength
d₅	Elongation after rupture
HB	Brinell hardness number

Alloy АЦРIV

Designation

Description

Note

Standards

Chemical composition

Mechanical properties

Description mechanical marks

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