API 5CT Tubing

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API 5CT Tubing

Product Dimension: SMLS:Φ48.26-114.3mm (1.9” - 4-1/2”).

Thickness: 3.18mm-16mm.

Standard: API 5CT.

Grades: H40, J55, K55, N80-1, N80-Q, L80-1, L80-9Cr, L80-13Cr, C90, R95, T95, C110, P110 and Q125.

Product Specification Level: PSL1, PSL2, PSL3.

Thread Type: EU, NU, IJ, Premium connection and etc.

Length Range: R1, R2, R3.

Uses: Oil Tubing is widely used for transporting crude oil and natural gas to surface after drilling, which also bears pressure from exploration.

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API 5CT Oil Tubing Chemical Composition & Mechanical Properties.

Mechanical Properties:
Grade Type Total elongation under load (%) Yield strength (min) Yield strength (max) Tensile strength min Mpa Hardness Max (HRC) Hardness Max (HBW)
JS5 - 0.5 379 552 517 - -
KS5 - 0.5 379 552 655 - -
N80 1 0.5 552 758 689 - -
N80 Q 0.5 552 758 689 - -
L80 1 0.5 552 655 655 23 241
L80 9Cr 0.5 552 655 655 23 241
L80 13Cr 0.5 552 655 655 23 241
C90 - 0.5 621 724 689 25.4 255
C95 - 0.5 655 758 724 - -
T95 - 0.5 655 758 724 25.4 255
P110 - 0.6 758 965 862 - -
Q125 All 0.65 862 1034 931 - -

Chemical Composition.

Grade C Mn Mo Cr Ni
max		 Cu
max		 P
max		 S
max		 Si
max
Min max Min max Min max Min max
H40 - - - - - - - - - - 0.030 0.030
JS5 - - - - - - - - - - 0.030 0.030
K55 - - - - - - - - - - 0.030 0.030
N80-1 - - - - - - - - - - 0.030 0.030
N80-Q
R95 - 0.45 - 1.9 0.030 0.030 0.45
L80-1 - 0.43 - 1.90 - - - 0.25 0.35 0.030 0.30
C90 1 0.35 1.20 0.25 0.8 1.50 0.99 - 0.020 0.010 1.00
T95 1 0.35 1.20 0.25 0.8 0.4 1.50 0.99 - 0.020 0.010 -
P110 - - - - - - 0.030 0.030 -
Q125 1 - 0.35 - 1.35 0.85 - 1.5 0.99 0.020 0.010 -