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 |
