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Several dimensions of rolled tubes/precision tubes in drawn form are kept in stock. We are also able to supply lengths of up to 12 metres. A rolled tube is a drawn tube which has been processed to provide even more precise tolerances than a drawn tube. Straightness tolerance from 0.2 mm/m. We can supply dimensions from 30x4 mm to 365x25,5 mm. Alloy EN 6063 T6.
Choosing a rolled tube can give a number of technical and financial advantages, such as:
- Precise tolerances
- Good anodising properties
- Minimum misshaping
- Good resistance to corrosion
- Optimum straightness
- High durability
- Virtually tension-free material
- Good cutting properties and low friction
Specification for rolled tubes with diameter <190 mm and thickness <15 mm
Tolerances:
External diameter: ISO k 13
Internal diameter: ISO M 11
Variation in thickness of material
in % of nominal thickness of material
t > 10 mm 5 %
t > 7 mm 5 %
Straightness:
d < 250 mm 0.6 mm/m
d < 250 mm 1.8 mm/m Precision of rotation
at tip fixing point
maximum 0.4 mm/m
Specification for rolled tube with 100 < diameter < 190 mm and thickness > 15 mm
Tolerances:
External diameter: ISO k 15
Internal diameter: ISO M 15
Variation in thickness of material
in % of nominal thickness of material
t > 10 mm 5 %
Straightness
: d < 250 mm 0.6 mm/m
d < 250 mm 1.8 mm/m
Precision of rotation
at tip fixing point
maximum 1 mm/m |
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