API 5CT : H40,J55
ISO 11960-2001
BS EN ISO 11960-2001
OD W/T
inch mm inch mm
4-1/2 114.3 0.138-0.250 3.51-6.35
5 127 0.138-0.296 3.51-7.5
5-1/2 139.7 0.138-0.311 3.51-7.90
7 177.8 0.138-0.354 3.51-8.99
8-5/8 219.1 0.138-0.500 3.51-12.7
9-5/8 244.5 0.156-0.500 3.51-12.7
13-3/8 339.7 0.203-0.592 4.78-15.04
16 406.4 0.375-0.625 9.52-15.88
18-5/8 473.0 0.375-0.656 9.52-16.13
20 508.0 0.375-0.656 9.52-16.13
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