Coupling, Crossover and Pup Joint

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Coupling, Crossover and Pup Joint

Standard: API 5CT& API 5B.

Size: Casing Coupling, Crossover and Pup joint 4-1/2”-20”; Tubing Coupling, Crossover and Pup joint 1.9”-4-1/2”.

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, BC, LC, SC, Premium connection and etc.

Uses: Connection.

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API 5CT Coupling, Crossover and Pup Joint 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 - -
NB0 1 0.5 552 758 689 - -
NB0 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 Cu P S Si
Min/Max Min/Max Min/Max Min/Max Max Max Max Max 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 0.45
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 -