Chromed Tubes
Cromed outer tubes

Crome-coated tubes, the best option for making lighter cylinders, TUC crome-coated tubes, by maintaining and improving the standard features of crome-coated rods, reduce the weight of the produced cylinder by 50-60% and increase efficiency.
| TUC series General features | Crome plated tubes E355+SR (EN 10305-1) / St52-3 BK+S (DIN 2393) |
| Steel grade | E355 (EN 10305-1)/ St52-3 (DIN 2391) |
| thermal operation | SR (EN 10305-1) / BK+S (DIN 2391)+ |
| Dimensional range | from OD 12 * ID 8 mm to OD 200*ID 180 mm |
| tolerance | ISO f7 |
| Round | Dimensional tolerance/2 |
| Standard length | 5000-7000mm Special lengths upon request |
| External surface smoothness (ID) | Ra max 0.20 um |
| Crome layer thickness | min. 20 um |
| Hardness of the crome layer | min. 900 HV (0.1) |
| Indeed during | max. 0.2 mm :1000 |