(1) Casing pipe
(2) Manufactured in accordance with API5L,J55, K55 N80
(2) Manufactured in accordance with API5L,J55, K55 N80
(3) Size: 73mm~610mm
(4) Wall Thickness:5mm-20mm
(4) Wall Thickness:5mm-20mm
Standard Specification: API 5CT (Plain end)
Steel grades, Chemical composition and Mechanical properties
Steel grade | Chemical composition (%) | Mechanical properties | ||||||||
PSL1 | ||||||||||
Steel grade | Type | C | Mn | P | S | Ti | Yield strength | Tensile strength | Elongation | |
MPa | MPa | (%) | ||||||||
/ | / | / | Max | Max | Min | Max | Min | |||
J55 | / | / | / | / | 0.030 | 0.030 | 379 | 552 | 517 | See API 5CT |
K55 | / | / | / | / | 0.030 | 0.030 | 379 | 552 | 655 | |
N80 | 1 | / | / | / | 0.030 | 0.030 | 552 | 758 | 689 |