A563 Grade A Mechanical Properties
| Grade | Style | Size, in. | Proof Load, ksi | Hardness, HBN | |
|---|---|---|---|---|---|
| Plain | Galvanized | ||||
| A | Hex | 1/4 - 1-1/2 | 90 | 68 | 116 - 302 |
| Heavy Hex | 1/4 - 4 | 100 | 75 | 116 - 302 | |
| Grade | Style | Size, in. | Proof Load, ksi | Hardness, HBN | |
|---|---|---|---|---|---|
| Plain | Galvanized | ||||
| A | Hex | 1/4 - 1-1/2 | 90 | 68 | 116 - 302 |
| Heavy Hex | 1/4 - 4 | 100 | 75 | 116 - 302 | |