QE22A Magnesium Alloy
| Specification | Form |
|---|---|
| AMS 4418 | Sand casting |
The temper index for QE22A is as follows:
Section: Temper 4.3.5.1: T6
4.3.5.0 (b). Design Mechanical and Physical Properties of QE22A Magnesium Alloy Casting
| Specification | AMS 4418 |
| Form | Sand casting |
| Temper | T6 |
| Location within casting | Any area |
| Basis | S |
| Mechanical Propertiesa: | |
| Ftu, ksi | 32b |
| Fty, ksi | 23b |
| Fcy, ksi | 23 |
| Fsu, ksi | |
| Fbru, ksi: | |
| (e/D = 1.5) | |
| (e/D = 2.0) | |
| Fbry, ksi: | |
| (e/D = 1.5) | |
| (e/D = 2.0) | |
| e, percent | 2b |
| E, 103 ksi | 6.5 |
| Ec, 103 ksi | 6.5 |
| G, 103 ksi | 2.4 |
| μ | 0.35 |
| Physical Properties: | |
| ω, lb/in.3 | 0.0653 |
| C, Btu/(lb)(°F) | 0.25c |
| K, Btu/[(hr)(ft2)(°F)/ft] | 59 |
| α, 10-6 in./in./°F | 14 (68°F to 392°F) |
- a Reference should be made to the specific requirements of the procuring or certificating agency with regard to the use of the above values in the design of castings.
- b When specified on drawing, conformance to tensile property requirements is determined by testing specimens cut from castings.
- c Estimated.