Alloy АЦРIV

Designation

Name The value
Designation GOST Cyrillic АЦРIV
Designation GOST Latin ATsPIV
Transliteration ATsRIV
By chemical elements -

Description

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

σU, 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
σU Limit short-term strength
d5 Elongation after rupture
HB Brinell hardness number