Astm A194 Grade 7 Heavy Hex Nuts Specification
Astm A194 Grade 7 Heavy Hex Nuts Properties
| Chemical Properties | ||||||
|---|---|---|---|---|---|---|
| C | Si | Mn | P | |||
| 0.37-0.49 | 0.15-0.35 | 0.65-1.10 | 0.035 Max | |||
| Mechanical Properties | ||||||
|---|---|---|---|---|---|---|
| Proof Load Using Threaded Mandrel- METRIC (kN) | ||||||
| TYPE | M6 | M8 | M10 | |||
| HEAVY HEX | 29.2 | 44.1 | 69.9 | |||
| HEX | 20.8 | 37.9 | 60 | |||
| TYPE | M20 | M22 | M24 | |||
| HEAVY HEX | 295.2 | 365.1 | 425.4 | |||
| HEX | 253.6 | 313.6 | 365.4 | |||
| Hardness | ||
|---|---|---|
| BHN | HRB | |
| Min | ||
| 248-352 | - | |
| Heat Treatment | |||||
|---|---|---|---|---|---|
| Quenched & Tempered@595°C. | |||||
| Equivalent Designation | ||
|---|---|---|
| UNS | ||
| EN number | ||
| EN Name | ||
| W.Nr. | ||
| SS | ||
| AFNOR | ||