| |
| Application |
High temperature and high pressure applications |
| Standard specification |
ASTM A 106 – ASME SA 106 |
| Manufacturing process |
Seamless |
| Steel grade |
Grade A – B – C |
| Tolerance |
• Thickness
+ not indicated (weight-defined)
– 12,5% |
• Outside diameter
O.D. ≤ 48,3 ± 0,4 mm.
48,3 ≤ O.D. ≤ 114,3 ± 0,79 mm.
114,3 ≤ O.D. ≤ 355,6 ± 0,75% ***
457,0 ≤ O.D. ≤ 660,0 ± 1% ***
660,0 ≤ O.D. ≤ 1219,0 ± 1,5% *** |
• Ovalization
Within the diameter tolerance range |
• Line weight
+ 10% – 3,5% |
• Straightness
Straight at sight |
| Length |
To be indicated in order, normally 5/7 mts. if O.D. < 73 – 8/12 mts. if O.D. > 73 |
| Ends |
Plain or bevelled API/ASTM/ASME B 16.25 |
| Surface |
• Bare or atmospheric corrosion proofing
• Hot-galvanized
• P.E. / Bitumen coated / others to be indicated |
|
