Stainless Steel Welded Tubes
Marcegaglia is the world’s top producer of stainless steel welded tubes: stainess steel process pipes for food & dairy industry, tubes for heat exchangers and oil & gas, but also construction and ornamental tubes and box sections, as well as tubes for mechanical and automotive applications.
The fabrication process is carried out within 5 manufacturing units worldwide, guaranteeing the same quality levels of products.
Marcegaglia UK production of stainless steel welded tubes is in steel grade 304, according to EN10296-2 (for round tubes) and ASTM A544 (for squares and rectangles) manufacturing standards.
| ROUNDED TUBES | |
| Min-Max. thickness (mm) | 0.5 – 6.0 |
| Min-Max. diameter (mm) | 10 – 50.8 |
| SQUARE TUBES | |
| Min-Max. thickness (mm) | 0.5 – 6.0 |
| Min-Max. ext. size (mm) | 10×10 – 120×120 |
| RECTANGULAR TUBES | |
| Min-Max. thickness (mm) | 0.5 – 6.0 |
| Min-Max. ext. size (mm) | 20×10 – 180×60 |
MANUFACTURING STANDARD - PRODUCT DESIGNATION
| Standard ASTM A544 |
Steel Grade 304 | Square and rectangular tubes |
| Standard EN10296-2 |
Steel Grade 304 | Round tubes |
MANUFACTURING STANDARD - PRODUCT DESIGNATION
| Standard ASTM A544 |
Steel Grade 304 | Square and rectangular tubes |
| Standard EN10296-2 |
Steel Grade 304 | Round tubes |
LENGTHS TOLERANCES
Marcegaglia can guarantee tight tolerances on tube in-line cutting: ±1 mm on standard lengths ranging from 2,000 to 12,500 mm.
OPTIONAL PROCESSING
- Suitability for subsequent galvanizing
- Bead rolling
- Special end finishing
- Cut to length
- Customer defined marking
- Restricted tolerances
- Welding position
- Specific corrosion protection
- Specific packaging method
- Unit testing composed of tubes from a single casting
- Hot galvanization
STANDARD AND OPTIONAL TESTING
- Chemical composition
- Tensile test
- Flattening test
- Expansion test
- Impact test
- Non destructive weld test
- Dimensional test
- Micrographic analysis
- Visual test
- Surface roughness measurement
- Release of special certificates
SUPPLY CONDITIONS
- Dimensional tolerances according to manufacturing standard
- Special tolerances upon request
- Control documents 2.1, 2.2, 3.1, 3.2 according to EN 10204 and specific norm requirements
