Astm A193 Grade B8MLCUNA Bolts Specification
Astm A193 Grade B8MLCUNA Bolts Properties
| Chemical Properties | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| C | Si | Mn | P | S | Cr | Mo | Ni | Cu | N |
| 0.020 max | 0.80 Max | 1.00 Max | 0.030 Max | 0.010 Max | 19.5-20.5 | 6.0-6.5 | 17.5-18.5 | 0.50-1.00 | 0.18-0.22 |
| Mechanical Properties | ||||
|---|---|---|---|---|
| Yeild strength | Tensile strength | Elong | Reduction | Hardness |
| Mpa | Mpa | % | % | HRC |
| min | min | min | min | max. |
| 205 | 515 | 30 | 50 | 192 |
| Heat Treatment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Carbide Solution Treated in the finished condition. | ||||||||
| Equivalent Designation | |||||
|---|---|---|---|---|---|
| UNS S31254 | |||||
| EN number 1.4547 | |||||
| EN name X1CrNiMoCuN20-18-7 | |||||
| W.Nr. 1.4529** | |||||
| SS 2378* | |||||
| AFNOR Z1 CNDU 20.18.06AZ* | |||||