Table 2 Hardness of distinct zone of weldments.
Narrow V groove welds joint | Double V groove welds joint | |||||
|---|---|---|---|---|---|---|
Hardness (HV)0.5 | Capping | Filling | Root | Capping | Root | Filling |
Average hardness of weld metal | 229 ± 8 | 233 ± 7 | 242 ± 5 | 230 ± 7 | 242 ± 11 | 239 ± 4 |
P92 HAZ (CGHAZ/FGHAZ/ICHAZ) | 445 ± 4/344 ± 86/215 | 448 ± 6/340 ± 96/218 | 442 ± 3/385 ± 78/212 | 432 ± 4/337 ± 32/232 | 450 ± 2/404 ± 63/223 | 443 ± 3/398 ± 67/219 |
Interface (P92/Alloy 617) | 257/237 | 277/212 | 238/232 | 229/239 | 279/251 | 267/252 |
IN617 HAZ | 223 ± 4 | 224 ± 5 | 225 ± 4 | 227 ± 6 | 231 ± 4 | 230 ± 5 |
Peak hardness of weld metal | 241 | 246 | 249 | 241 | 251 | 244 |
P92 steel | 239 ± 6 | |||||
Alloy 617 | 217 ± 4 | |||||
