Scope
ASTM A48 covers gray iron castings intended for general use. A48 castings are supplied based solely on tensile strength, no chemical requirements or ductility is specified.
A48 Mechanical Properties
Class Number | Tensile Strength, ksi min |
20 | 20 |
25 | 25 |
30 | 30 |
35 | 35 |
40 | 40 |
45 | 45 |
50 | 50 |
55 | 55 |
60 | 60 |
A48 Class Type
Class Type | Nominal Test Bar Diameter, inches |
A | 0.88 |
B | 1.2 |
C | 2.0 |
S | Agreed on between manufacturer and purchaser |
Example, casting would be called out as A48-30A |
Casting Examples
Popular examples of castings often made to ASTM A48 include Hillside Washers and Ogee Washers.