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| ( 2 a ) | ( b ) mm dopo lavorazione | Gruppo Lucefin min. sovrametallo mm ( 2 a ) in funzione dello spessore h | ||||||||||||
| grezzo | < 10 | > 10 < 25 |
> 25 < 35 |
> 35 < 60 |
> 60 < 80 |
> 80 < 100 |
> 100 < 130 |
> 130 < 150 |
> 150 < 180 |
> 180 < 200 |
> 200 < 220 |
> 220 < 250 |
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| 2,0 | < 20 | 2,0 | 2,5 | – | – | – | – | – | – | – | – | – | – | |
| 2,5 | > 20 | < 25 | 2,5 | 2,5 | – | – | – | – | – | – | – | – | – | – |
| 3,0 | > 25 | < 35 | 3,0 | 3,0 | 3,0 | – | – | – | – | – | – | – | – | – |
| 3,5 | > 35 | < 60 | 3,0 | 3,0 | 3,0 | 3,5 | – | – | – | – | – | – | – | – |
| 4,5 | > 60 | < 80 | 3,5 | 3,5 | 4,0 | 4,0 | 4,5 | – | – | – | – | – | – | – |
| 5,0 | > 80 | < 100 | 4,0 | 4,0 | 4,0 | 4,5 | 5,0 | 6,0 | 7,0 | – | – | – | – | – |
| 6,0 | > 100 | < 130 | 4,5 | 5,0 | 5,0 | 5,5 | 6,0 | 7,0 | 7,0 | 8,0 | – | – | – | – |
| 8,0 | > 130 | < 150 | 5,0 | 5,5 | 6,0 | 6,0 | 6,5 | 8,0 | 8,0 | 8,0 | – | – | – | – |
| 9,0 | > 150 | < 180 | – | 6,0 | 6,0 | 6,5 | 7,0 | 8,0 | 9,0 | 9,0 | 10,0 | – | – | – |
| 10,0 | > 180 | < 200 | – | 6,5 | 7,0 | 7,0 | 8,0 | 9,0 | 9,0 | 9,0 | 10,0 | – | – | – |
| 12,0 | > 200 | < 220 | – | 8,0 | 8,5 | 8,5 | 9,0 | 9,5 | 10,0 | 10,0 | 10,5 | 10,5 | 11,0 | – |
| 14,0 | > 220 | < 250 | – | 9,0 | 9,0 | 9,0 | 10,0 | 10,0 | 10,0 | 10,5 | 10,5 | 11,0 | 12,0 | 12,0 |
| 15,0 | > 250 | < 300 | – | 9,0 | 9,0 | 10,0 | 10,0 | 11,0 | 11,0 | 11,0 | 11,0 | 11,5 | 12,0 | 12,0 |
| 16,0 | > 300 | < 350 | – | 9,0 | 9,0 | 10,0 | 10,0 | 11,0 | 11,0 | 11,0 | 11,0 | 12,0 | 12,0 | 12,0 |
| 18,0 | > 350 | < 400 | – | 9,0 | 10,0 | 10,0 | 11,0 | 11,0 | 11,0 | 11,0 | 11,5 | – | – | – |
| 20,0 | > 400 | < 450 | – | 10,0 | 10,0 | 10,0 | 11,0 | 11,0 | 11,0 | 11,0 | – | – | – | – |
| 22,0 | > 450 | < 500 | – | – | – | 10,0 | 11,0 | 11,0 | 11,5 | 11,5 | – | – | – | – |
| 24,0 | > 500 | < 550 | – | – | – | 11,0 | 11,0 | 11,0 | 11,5 | 11,5 | – | – | – | – |
| 26,0 | > 550 | < 600 | – | – | – | 11,0 | 11,0 | 11,5 | 11,5 | 11,5 | – | – | – | – |
| 28,0 | > 600 | < 700 | – | – | – | 11,0 | 11,0 | 11,5 | 11,5 | 11,5 | – | – | – | – |
| 30,0 | > 700 | < 805 | – | – | – | 11,0 | 11,5 | 11,5 | 11,5 | 11,5 | – | – | – | – |
| Esempio: per misura finita 110×70 mm, si deve ordinare 116×76 mm. se queste misure non sono reperibili , si deve ordinare un grezzo di 120×80 mm. | ||||||||||||||