Standard E1251-17a covers aluminum and magnesium. If you are only testing aluminum, this standard is still appropriate. However, specialized magnesium labs sometimes prefer a different standard (like ASTM B954 for magnesium), though E1251-17a is universally accepted.
. However, it can also be used for other forms like castings, foils, sheets, and extrusions, provided they are thick enough to avoid overheating and can be machined into a flat surface. ASTM International Key Technical Details astm e125117a pdf
: Uses calibrants with similar compositions to the material being analyzed for the highest accuracy. 4. Critical Requirements Sample Preparation Standard E1251-17a covers aluminum and magnesium
is available for purchase from authorized standards organizations: this standard is still appropriate. However
: Castings, foil, sheet, plate, extrusions, and wrought shapes. Constraint