Threaded Casing with Short/Long Round Thread or Buttress DIMENSIONS O.D. in mm | Weight T&C | W.T. | Steel grade | |
| Lb/ft | Kg/m | mm | H40 | J55 | K55 | N80 | L80 | C95 | P110 | | 4 1/2 | 114,3 | 9,5 | 14,2 | 5,21 | S | S | S | - | - | - | - | | | | 10,5 | 15,6 | 5,69 | - | S;B | S;B | - | - | - | - | | | | 11,6 | 17,3 | 6,35 | - | S;L;B | S;L;B | L;B | L;B | L;B | L;B | | | | 13,5 | 20,1 | 7,37 | - | - | - | L;B | L;B | L;B | L;B | | | | 15,1 | 22,5 | 8,56 | - | - | - | - | - | - | - | | 5 | 127 | 11,5 | 17,1 | 5,59 | - | S | S | - | - | - | - | | | | 13 | 19,4 | 6,43 | - | S;L;B | S;L;B | - | - | - | - | | | | 15 | 22,3 | 7,52 | - | S;L;B | S;L;B | L;B | L;B | L;B | L;B | | | | 18 | 26,8 | 9,19 | - | - | - | L;B | L;B | L;B | L;B | | | | 21,4 | 31,9 | 11,1 | - | - | - | L;B | L;B | L;B | L;B | | | | 23,2 | 34,6 | 12,14 | - | - | - | L;B | L;B | L;B | L;B | | | | 24,1 | 35,9 | 12,7 | - | - | - | L;B | L;B | L;B | L;B | | 5 1/2 | 139,7 | 14 | 20,9 | 6,2 | S | S | S | - | - | - | - | | | | 15,5 | 23,1 | 6,98 | - | S;L;B | S;L;B | - | - | - | - | | | | 17 | 25,3 | 7,72 | - | S;L;B | S;L;B | L;B | L;B | L;B | L;B | | | | 20 | 29,8 | 9,17 | - | - | - | L;B | L;B | L;B | L;B | | | | 23 | 34,3 | 10,54 | - | - | - | L;B | L;B | L;B | L;B | | 6 5/8 | 168,3 | 20 | 29,8 | 7,32 | S | S;L | S;L | - | - | - | - | | | | 24 | 35,7 | 8,94 | - | S;L | S;L | - | - | - | - |
where: S = Short Round Thread L = Long Round Thread B = Buttress Thread Weight per unit calculation formula: w = (O.D. - W.T.) x W.T. x 0.0246615 (kg/m) w = (O.D. - W.T.) x W.T. x 10.68 (lb/ft) STEEL REQUIREMENTS | Steel grade | Chemical requirements | Mechanical requirements | | C | Mn | Ni | Cu | P | S | Si | Tensile strength | Yield strength | Elongation A min. | | max. | max. | max. | max. | max. | max. | max. | | (%) | (%) | (%) | (%) | (%) | (%) | (%) | N/mm2 | N/mm2 | (%) | | H40 | - | - | - | - | 0,03 | 0,03 | - | min. 414 | 276-552 | calculation | | J55 | - | - | - | - | 0,03 | 0,03 | - | min. 517 | 379-552 | according | | K55 | - | - | - | - | 0,03 | 0,03 | - | min. 655 | 379-553 | to the wall | | N80 | - | - | - | - | 0,03 | 0,03 | - | min. 689 | 552-758 | thickness | | L80 | 0,43 | 1,9 | 0,25 | 0,35 | 0,03 | 0,03 | 0,45 | min. 655 | 552-655 | | | C95 | 0,45 | 1,9 | - | - | 0,03 | 0,03 | 0,45 | min. 724 | 655-758 | | | P110 | - | - | - | - | 0,03 | 0,03 | - | min. 724 | 655-758 | |
NOTES | | | LENGTHS | Range I : 4,88-7,62 meters | | Range II : 7,62-10,36 meters | | Range III : 10,36-12,00 meters | | | | PROTECTION | Unprotected or external protection | | Each pipe is provided with plastic protectors at both ends. | | | | MARKING | Die stamped or/and paint stenciled according to standard or | | | per customer request. | | | | DELIVERY | In bundles of maximum 2500 kg, tied in minimum four places | | with steel strps. | | | | MILL TEST REPORT | Mill test reports are issued to customer requirements. | | Usually they comply with EN 10204 - 3.1.B (DIN 50049 - 3.1.B) |
|