Products | Casing, tubing, pup joints, couplings |
Size Range(OD): | Tubing: 26.67-114.3mm |
Casing:114.3-508.0mm | |
Length range : | R1, R2, R3 |
Standard: | API 5CT |
Certification: | API 5CT, ISO9001, ISO14001,OHSMS18000 |
Material: | H40,M65,J55,K55,N80,L80,L90,C90,T95,P110,Q125 |
Type of thread: | STC,LTC,BTC,NU,EU |
Testing: | Chemical Component Analysis, Mechanical Properties (Ultimate tensile strength, Yield strength, Elongation), Technical Properties (Flattening Test, Bending Test, Blow Test, Impact Test) Hydrostatic Test X-ray Test |
Mechanical properties:
Grade | Yield Strength | Tensile Strenght | Hardness | Allowable | |||||
Min | Max | Min | Max | Max | Hardness | ||||
Psi | Mpa | Psi | Mpa | Psi | Mpa | HRC | BHN | Variation | |
J55 | 55,000 | 379 | 80,000 | 552 | 75,000 | 517 | - | - | - |
K55 | 55,000 | 379 | 88,000 | 552 | 95,000 | 655 | - | - | - |
N80 | 80,000 | 552 | 110,000 | 758 | 100,000 | 689 | - | - | - |
N80-1 | 80,000 | 552 | 95,000 | 655 | 95,000 | 655 | 23 | 241 | - |
C90 | 90,000 | 621 | 105,000 | 724 | 100,000 | 689 | 25.4 | 255 | 3 |
C95 | 95,000 | 655 | 110,000 | 758 | 105,000 | 724 | - | - | - |
T95 | 95,000 | 655 | 110,000 | 758 | 105,000 | 724 | 25.4 | 255 | 3 |
P110 | 110,000 | 758 | 140,000 | 965 | 125,000 | 862 | - | - | - |