Astm A563 Grade C3 A Heavy Hex Nuts Specification
Astm A563 Grade C3 A Heavy Hex Nuts Properties
| Chemical Properties | |||||||
|---|---|---|---|---|---|---|---|
| C | Mn | P | S | Si | Cr | Ni | Cu |
| 0.31-0.42 | 0.86-1.24 | 0.045 Max | 0.055 Max | 0.13-0.37 | 0.42-0.68 | 0.22-0.48 | 0.22-0.48 |
| Mechanical Properties | |||||
|---|---|---|---|---|---|
| Nuts with UNC, 8 UN, 6 UN and Coarser Pitch Threads Proof Load Stress, ksi(A) | |||||
| 1/4 to 4 | Hardness | ||||
| TYPE | Non-Zinc Coated | Zinc Coated | BHN | HRB | HRC |
| HEAVY HEX | 144 | 144 | 143-352 | 78 Min | 38 Max |
| Heat Treatment | ||||
|---|---|---|---|---|
| Quenched & tempered | ||||
| Equivalent Designation | |||
|---|---|---|---|
| UNS | |||
| EN number | |||
| EN Name | |||
| W.Nr. | |||
| SS | |||
| AFNOR | |||