Consumable Inserts
Consumable inserts are used for ensuring positive root penetration and for desirable contour. These are used for critical weld joints of high piping installations. All inserts conform to ASME SEC II Part C, SFA – 5.30
| Materia | CS | SS | NI | L A Steel |
|---|---|---|---|---|
| Grades | IN MS – 1 | IN 308L / IN 309L / IN 316L / IN 347 | IN 60 / IN 82 | On request |
| Available Shapes | Inverted T / Y / Flat | Inverted T / Flat | Flat | Flat |
| Form of Supply | Pre-formed Rings Open / Butt & 16MCoil | Pre-formed Rings Open / Butt | Pre-formed Rings open / butt | Pre-formed Rings open / butt |
| Legend | Groove type | Insert Classes | |||
|---|---|---|---|---|---|
| Classes 1 and 4 | Class 2 | Classes 3 and 5 | |||
| Root opening, “gap” | G | A,B,C | W+0.8 mm max | W+0.8 mm max | W+0.4 mm max |
| Pipe ID mismatch* | Y | A | 0 to 0.8 mm max | 0 to 1.6 mm max | 0 to 0.8 mm max |
| Pipe ID mismatch* | Y | BC | 0 to 0.8 mm max | 0 to 1.6 mm max | 0 to 2.4 mm max |
| Radius of groove face | R | C | 2.4 mm to 3.2 mm | ||
| Root face | L | B | 2.4 mm ÷ 0.08 mm | ||
| Root face | M | C | 2.4 mm 0.4 mm | ||
| Extension of root lip | X | C | 4.8 mm minute | ||
| ID distance shaved | Z | C | 3.2 mm minute | ||
| *amount inside diameter is offset or out-of-round, mm | |||||
