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Alloy Ca4m3o (CAM4-3O)

Designation

Name The value
Designation GOST Cyrillic ЦА4М3о
Designation GOST Latin TsA4M3o
Transliteration TsA4M3o
The chemical elements ZnAl4Cu3о
Name The value
Designation GOST Cyrillic ЦАМ4-3о
Designation GOST Latin TsAM4-3o
Transliteration TsAM4-3o
The chemical elements ZnAlCu4-3о

Description

Alloy Ca4m3o used: for the manufacture of castings parts that require high strength automotive and other industries.

Note

Alloy high purity (the letter «o» at the end indicate the marks).
The alloy has good fluidity, high strength, good corrosion resistance. The variability of the sizes of the alloy to 0.5%.

Standards

Name Code Standards
Non-ferrous metals, including rare metals, and their alloys В51 GOST 25140-93

Chemical composition

Standard Si Fe Cu Al Zn Sn Pb Mg Cd
GOST 25140-93 ≤0.015 ≤0.06 2.5-3.7 3.5-4.5 The rest ≤0.001 ≤0.006 0.02-0.06 ≤0.003
Zn is the basis.
According to GOST 25140-93, the total mass fraction of lead, cadmium and tin should be ≤ 0.009%. As agreed by the manufacturer with the consumer, the mass fraction of tin is allowed in the alloy ≤0.002%, cadmium ≤ 0.004% with the sum of lead, cadmium and tin ≤ 0.009%.

Mechanical characteristics

Section, mm σB, MPa d5, % Brinell hardness number, MPa
Castings according to GOST 25140-93
≥235 ≥1 ≥90
≥215 ≥1 ≥85

Description mechanical marks

Name Description
Section Section
σB Limit short-term strength
d5 Elongation after rupture

Physical characteristics

Temperature r, кг/м3 l, Вт/(м · °С) a, 10-6 1/°С С, Дж/(кг · °С)
20 6800 105 - 427
100 - - 295 -

A description of the physical symbols

Name Description
Е The normal elasticity modulus
l Coefficient of thermal conductivity
R UD. the resistivity

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