ASTM A536 covers castings made of ductile iron, also known as spheroidal or nodular iron.
A536 Mechanical Properties for General Purpose Castings
| Grade 60-40-18 | Grade 65-45-12 | Grade 80-55-06 | Grade 100-70-03 | Grade 120-90-02 | |
|---|---|---|---|---|---|
| Tensile, ksi min | 60 | 65 | 80 | 100 | 120 |
| Yield, ksi min | 40 | 45 | 55 | 70 | 90 |
| Elong, 2% min | 18 | 12 | 6.0 | 3.0 | 2.0 |
A536 Mechanical Properties for Special Application Castings
| Grade 60-42-10 | Grade 70-50-05 | Grade 80-60-03 | |
|---|---|---|---|
| Tensile, ksi min | 60 | 70 | 80 |
| Yield, ksi min | 42 | 50 | 60 |
| Elong, 2% min | 10 | 5 | 3 |
| Examples of special applications include pipes, fittings, etc. | |||
Casting Examples
A common item Portland Bolt stocks made to ASTM A536 include Hillside Washers (Grade 65-45-12), although some are made to ASTM A48.