Astm A563 Grade A Heavy Hex Nuts Specification
Astm A563 Grade A Heavy Hex Nuts Properties
| Chemical Properties | ||
|---|---|---|
| C | P | |
| 0.58 Max | 0.13 Max | |
| Mechanical Properties | |||||||
|---|---|---|---|---|---|---|---|
| Nuts with UNC, 8 UN, 6 UN and Coarser Pitch Threads Proof Load Stress, ksi(A) | |||||||
| 1/4" to 11/2" | 1/4" to 4" | Hardness | |||||
| TYPE | Non-Zinc Coated | Zinc Coated | Non-Zinc Coated | Zinc Coated | BHN | HRB | HRC |
| SQUARE | 90 | 68 | - | - | 116-302 | 68 Min | 32 Max |
| HEX | 90 | 68 | - | - | 116-302 | 68 Min | 32 Max |
| HEAVY HEX | - | - | 100 | 75 | 116-302 | 68 Min | 32 Max |
| HEX THICK | 100 | 75 | - | - | 116-302 | 68 Min | 32 Max |
| Nuts with UNF, 12 UN and Finer Pitch Threads Proof Load Stress, ksi(A) | |||||||
| 1/4" to 11/2" | 1/4" to 4" | Hardness | |||||
| Heat Treatment | |||
|---|---|---|---|
| Quenched & tempered | |||
| Equivalent Designation | ||
|---|---|---|
| UNS | ||
| EN number | ||
| EN Name | ||
| W.Nr. | ||
| SS | ||
| AFNOR | ||