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Rolled steel tubes
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Rolled plates welded according to most important
standards of any field, for instance tubes for heat exchanger bodies, power
plants and tubes to be assembled to obtain Fittings, Lateral Tees, Repair sleeves etc. Those kind of products are made with a relevant procedure that allow us obtain very
low diameter's tolerance. Normally, each piece is provided with a Mill test certificate
according to EN 10204 3.1/B.
Check out our welding dept. for a complete
overview concerning our Welding Procedure Specifications and relevant Procedure
Qualification Records, where You'll find also information about our standard Non
Destructive Testing system.
| Longitudinal
Welded Tube's medium tolerances |
| inside Ø |
Thickness |
Length |
Ø tol. |
| 150 mm. |
20 mm. |
1000 mm. |
+2 -0 mm. |
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| 400 mm. |
30 mm. |
2500 mm. |
+2 -0 mm. |
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| 650 mm. |
50 mm. |
3000 mm. |
+2 -0 mm. |
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| 1100 mm. |
70 mm. |
3000 mm. |
±2 mm. |
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| 1400 mm. |
80 mm. |
3000 mm. |
±2 mm. |
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| >1400 mm. |
90 mm. |
3000 mm. |
±3 mm. |
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A big part of our production consist in tubes to
be forged in order to obtain Tees,
Elbows, Reducers etc. so, based on the product's final purpose, we set the relevant
production system that assure all parameters for the product itself such as special
Customer's requirements for minimum operating temperature and so on.
Due to our quality system, we can consider each
production's process as the last phase before the delivery so that, on Customer's
request, we can supply tubes only tack-welded, preliminary welded or simply chamfered.
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