Astm A563 Grade D[C] Heavy Hex Nuts Specification
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Astm A563 Grade D[C] Heavy Hex Nuts Properties
| Chemical Properties | |||
|---|---|---|---|
| C | Mn | P | S |
| 0.58 Max | 0.27 Min | 0.048 Max | 0.058 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 |
| HEX | 135 | 135 | - | - | 159-352 | 84 Min | 38 Max |
| HEAVY HEX | - | - | 150 | 150 | 159-352 | 84 Min | 38 Max |
| HEX THICK | 150 | 150 | - | - | 159-352 | 84 Min | 38 Max |
| Nuts with UNF, 12 UN and Finer Pitch Threads Proof Load Stress, ksi(A) | |||||||
| TYPE | 1/4" to 11/2" | 1/4" to 4" | Hardness | ||||
| Non-Zinc Coated | Zinc Coated | Non-Zinc Coated | Zinc Coated | BHN | HRB | HRC | |
| Heat Treatment | ||||||
|---|---|---|---|---|---|---|
| Quenched & tempered | ||||||
| Equivalent Designation | ||
|---|---|---|
| UNS | ||
| EN number | ||
| EN Name | ||
| W.Nr. | ||
| SS | ||
| AFNOR | ||