MOBILE <480
SMALL >=480
MEDIUM >=880
BIG >=1020
LARGE >=1200

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Seamless and ERW Casing

API 5CT Seamless Casing
  • API 5CT Standard
  • Sizes: From 4½” to 18⅝”
  • Grades: H40, J55, N80, L80, P110 with compliance to Directive 10 if required
  • Commonly stocked sizes are listed below
  • Custom mill runs are available with short deliveries
Outside DiameterWeight Per FootWall ThicknessInside Diameter

(inch)
GradeProcess
inchmmThreads & 
Coupling (lb.)Plain End (lb.)inchmm
4½”114.311.611.360.2506.354.000J55,N80,L80,P110SMLS
13.513.050.2907.373.920N80,L80,P110SMLS
15.115.000.3378.563.826N80,L80,P110SMLS
5½”139.717.016.890.3047.724.892N80,L80,P110SMLS
20.019.830.3619.174.778N80,L80,P110SMLS
23.022.560.41510.544.670N80,L80,P110SMLS
26.826.720.50012.704.500N80,L80,P110SMLS
29.729.670.56214.274.376N80,L80,P110SMLS
32.632.570.62515.884.250N80,L80,P110SMLS
35.335.350.68717.454.126N80,L80,P110SMLS
7”177.817.016.720.2315.876.538J55,K55,N80,L80,P110SMLS/ERW
20.019.560.2726.916.456J55,K55,N80,L80,P110SMLS/ERW
23.022.650.3178.056.366J55,K55,N80,L80,P110SMLS/ERW
26.025.690.3629.196.276J55,K55,N80,L80,P110SMLS/ERW
29.028.750.40810.366.184N80,L80,P110SMLS/ERW
32.031.700.45311.516.094N80,L80,P110SMLS/ERW
35.034.610.49812.656.004N80,L80,P110SMLS/ERW
8⅝”219.124.023.600.2646.718.097J55,K55SMLS/ERW
28.027.040.3047.728.017J55,K55SMLS/ERW
32.031.130.3528.947.921J55,K55SMLS/ERW
36.035.170.40010.167.825J55,K55,N80,L80,P110SMLS/ERW
40.039.330.45011.437.725N80,L80,P110 SMLS/ERW
44.043.430.50012.707.625N80,L80,P110SMLS/ERW
9⅝”244.532.331.060.3127.929.001J55,K55SMLS/ERW
36.034.890.3528.948.921J55,K55SMLS/ERW
40.038.970.39510.038.835J55,K55,N80,L80,P110SMLS/ERW
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