EN ISO 20601 A2
Typical reference block for circumferential welds
| BLOCK CHARACTERISTICS | ||
| Length | Thickness | Diameter |
| l ≥ 150 mm | from 0,8 tr to 1,2 tr | D: from 0,8 Dr to 1,2 Dr |
| Produced according to TS EN ISO 20601 standard. | ||
At least 3 reflectors shall be implemented: 2 notches and a side-drilled hole at half thickness.