Alloy CA4M3 (CAM4-3)
Designation
| Name |
The value |
| Designation GOST Cyrillic |
ЦА4М3 |
| Designation GOST Latin |
TsA4M3 |
| Transliteration |
TsA4M3 |
| The chemical elements |
ZnAl4Cu3 |
| Name |
The value |
| Designation GOST Cyrillic |
ЦАМ4-3 |
| Designation GOST Latin |
TsAM4-3 |
| Transliteration |
TsAM4-3 |
| The chemical elements |
ZnAlCu4-3 |
Description
Alloy CA4M3 used: for the manufacture of castings parts that require high strength automotive and other industries.
Note
The alloy has good fluidity, high strength, good corrosion resistance (lower than that of alloy Ca4m3o). 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 |
≤0.07 |
2.5-3.7 |
3.5-4.5 |
The rest |
≤0.002 |
≤0.01 |
0.02-0.06 |
≤0.005 |
Zn is the basis.
According to GOST 25140-93, at the request of the consumer, the mass fraction of lead should be ≤ 0.006%.
Mechanical characteristics
| Section, mm |
σB, MPa |
d5, % |
Brinell hardness number, MPa |
| Casting under pressure according to GOST 25140-93 |
|
≥290 |
≥1.5 |
≥90 |
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 |