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Capello Tubi Spa carbon steel submerged arc spirally welded pipes (SSAW) are fabricated from hot rolled coils.
According the standard EN 10224 e EN 10219
Steel grades normally available are: S275 JRJO,J2+N e S355 JR,JO,J2+N According the standard EN 10025.
The following table gives the basic chemical composition and mechanical properties.
| Steel Grade |
Resistance Limit Rm N/mm2 |
Yield Limit ReH,min N/mm2 |
Elongation min % |
C max% |
Mn max% |
Si max% |
P max% |
S max% |
| S275JR |
410 |
275 |
22 |
0,21 |
1,5 |
- |
0,05 |
0,05 |
| S355JR |
490 |
355 |
22 |
0,24 |
1,6 |
0,55 |
0,05 |
0,05 |
Pipe diameter : from OD 711 mm up to OD 3048 mm
Pipe thickness : from 6 mm up to 20 mm
Pipe length : 12 - 13 m ( on request down to 6 m,min )
Spirally welded pipes
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