Astm A563 Grade C3 B Heavy Hex Nuts Specification
Astm A563 Grade C3 B Heavy Hex Nuts Properties
| Chemical Properties | ||||||||
|---|---|---|---|---|---|---|---|---|
| C | Mn | P | S | Si | Cr | Mo | Ni | Cu |
| 0.36-0.50 | 0.67-0.93 | 0.06-0.125 | 0.053 Max | 0.25-0.55 | 0.47-0.83 | 0.07 Max | 0.47-0.83 | 0.17-0.43 |
| 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 | ||