370 EZCast
370 EZCast (Alcoa) | High-pressure vacuum die casting
Manufacturer-reported values. Do not use as certified design allowables. View sources ↗
| Temper | Wall | Yield MPa | Tensile MPa | Elong. % |
|---|---|---|---|---|
| F | Not specified | 105–140 | 250–280 | 7.5–13 |
| T5 | Not specified | 150–220 | 245–310 | 5.5–10 |
| T4 | Not specified | 100–120 | 205–235 | 18–23 |
| T6 | Not specified | 135–250 | 195–300 | 7–16 |
F condition: Manufacturer-reported achievable ranges for typical thin-walled vacuum HPDC components. The source says properties strongly depend on the casting process; exact wall thickness and sample distribution are not reported.
T5 condition: Manufacturer-reported achievable ranges for typical thin-walled vacuum HPDC components. The source says properties strongly depend on the casting process; exact wall thickness and sample distribution are not reported.
T4 condition: Manufacturer-reported achievable ranges for typical thin-walled vacuum HPDC components. The source says properties strongly depend on the casting process; exact wall thickness and sample distribution are not reported.
T6 condition: Manufacturer-reported achievable ranges for typical thin-walled vacuum HPDC components. The source says properties strongly depend on the casting process; exact wall thickness and sample distribution are not reported.
Chemical composition
Reported weight-percent bounds. A blank lower bound means only an upper threshold was reported.
Alcoa reports wt.% ranges and inclusive maxima (single values). Chemistry and heat treatment can be customized; the sheet values are not universal certified limits.
| Element / source label | Minimum wt% | Upper wt% |
|---|---|---|
| Si | 6.0 | 9.0 |
| Fe | — | 0.2 |
| Mn | 0.1 | 0.8 |
| Mg | 0.15 | 0.8 |
| Ti | — | 0.2 |
| Sr | — | 0.025 |
| Others Each | — | 0.05 |
| Others Total | — | 0.15 |
Physical and thermal properties
| Property | Reported value | Unit | Condition |
|---|---|---|---|
| density | 2.64 | g/cm³ | typical; temperature not reported |
| young modulus | 70–74 | GPa | typical; temperature not reported |
| thermal conductivity | 135–170 | W/(m·K) | typical; temperature not reported |
| solidification range | 552–608 | °C | typical; source prints 608–552 °C |
Processing properties
Source-reported comparisons, not certified limits.
| Property | Reported value |
|---|---|
| castability | Good castability; reduced die sticking |
| weldability | Excellent weldability |
| corrosion resistance | Excellent corrosion resistance |
Evidence
Alcoa Specialty Alloys: 370 EZCast Technical Data — Alcoa Corporation
Show the exact source location for each value
- alcoa-370-f — PDF p. 2, MECHANICAL PROPERTIES, F row and footnote ↗
- alcoa-370-t5 — PDF p. 2, MECHANICAL PROPERTIES, T5 row and footnote ↗
- alcoa-370-t4 — PDF p. 2, MECHANICAL PROPERTIES, T4 row and footnote ↗
- alcoa-370-t6 — PDF p. 2, MECHANICAL PROPERTIES, T6 row and footnote ↗
- Si — PDF p. 2, CHEMICAL COMPOSITION, Si column ↗
- Fe — PDF p. 2, CHEMICAL COMPOSITION, Fe column ↗
- Mn — PDF p. 2, CHEMICAL COMPOSITION, Mn column ↗
- Mg — PDF p. 2, CHEMICAL COMPOSITION, Mg column ↗
- Ti — PDF p. 2, CHEMICAL COMPOSITION, Ti column ↗
- Sr — PDF p. 2, CHEMICAL COMPOSITION, Sr column ↗
- Others Each — PDF p. 2, CHEMICAL COMPOSITION, Others Each column ↗
- Others Total — PDF p. 2, CHEMICAL COMPOSITION, Others Total column ↗
- density — PDF p. 2, PHYSICAL PROPERTIES (TYPICAL VALUES), Density column ↗
- young modulus — PDF p. 2, PHYSICAL PROPERTIES (TYPICAL VALUES), Young’s Modulus column ↗
- thermal conductivity — PDF p. 2, PHYSICAL PROPERTIES (TYPICAL VALUES), Thermal Conductivity column ↗
- solidification range — PDF p. 2, PHYSICAL PROPERTIES (TYPICAL VALUES), Solidification Range column ↗
- castability — PDF p. 2, OTHER PROPERTIES, castability bullet ↗
- weldability — PDF p. 2, OTHER PROPERTIES, weldability bullet ↗
- corrosion resistance — PDF p. 2, OTHER PROPERTIES, corrosion_resistance bullet ↗