| THALACHROME STU the corrosion-resistant hard chromium plated tube |
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RANGE |
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| External diameters (mm) | Grade offered* | Lengths (mm) | Packaging |
| 20 < Ø < 160 | St 52-3 | 5400-7600 | Each tube is protected by a laminated cardboard tube or a blue plastic sleeve |
| * Other grades available on request |
FEATURES OF HARD CHROMIUM PLATED TUBES |
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| External diameters (mm) | Dimensional tolerance* | Straightness (mm/m) | Ovality | |
| 20 < Ø < 160 | f 7 | < 0,2 | < 1/4 of the f7 tolerance |
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| External diameters (mm) | Chromium thickness (µm) | Roughness |
Micro-hardness of chromium HV 0.1 | |
| Ra (µm) | Ry (µm) | |||
| 20 < Ø < 160 | > 20 | 0,07 0,20 |
< 2,5 | > 900 |
| * Other tolerances available on request |
| Exceptional corrosion resistance ! |
SALT SPRAY TEST GUARANTEE |
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| Tests carried out in accordance with the ISO 9227 standard Results interpreted in accordance with the ISO 4540 standard | |
| Neutral environment NSS* | Acetic environment ASS* |
| 72 hours rating 10 | 32 hours rating 10 |
120 hours rating 9 |
48hours rating 9 |
| * Average result over the last twelve months for Ø > 20 mm |