3.9.5.0
Comments and Properties — A356.0 is an Al-Si-Mg alloy similar to 356.0, but with impurities controlled to lower limits resulting in higher strengths and ductility. It has good casting characteristics and high resistance to corrosion. Refer to 3.1.3.4 for comments regarding the weldability of the alloy.
Material specifications for A356.0 aluminum alloy are presented in Table 3.9.5.0(a). Room-temperature mechanical and physical properties are shown in Tables 3.9.5.0(b) and (c).
| Specification | Form |
|---|---|
| AMS-A-21180 | Casting |
| AMS 4218 | Casting |
The temper index for A356.0 is as follows:
| Section | Temper |
|---|---|
| 3.9.5.1 | T6P |
| 3.9.5.2 | T6 |
3.9.5.1
T6P Temper — Tensile stress-strain and full-range stress-strain curves at room temperature are presented in Figures 3.9.5.1.6(a) and (b), respectively.