ASTM A47 covers ferritic malleable castings intended for general use at temperatures from normal ambient to approximately 750°F. A47 castings are limited to one available grade: grade 32510 for imperial castings, grade 22010 for metric castings.
A47 Mechanical Properties
|Grade||Tensile, min||Yield, min||Elongation, min%||Hardness, typical|
|32510 (English)||50,000psi||32,500psi||10 in 2”||156 HBN|
|22010 (Metric)||340MPa||220MPa||10 in 50mm||156 HBN|