Loading Port:China Main Port
Payment Terms:TT or LC
Min Order Qty:1 Piece pc
Supply Capability:200000 Pieces per Month pc/month
13-3/8'' LC Casing Coupling
1:Standard:API 5CT 5B
2:Size:2-3/8-20"
3:Grade:J55,K55,L80,P110,N80Q,
4:Coupling thread:LC,STC,BTC,SCC,NU,EU
Coupling and Thread Dimensions for API-Casing(Round Thread)
Casing coupling
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 |
Size O. D. in | Casing O. D. D in | Coupling O. D. W in | Length NL in | Diameter of Recess Q in | Depth of Recess q in | Width of Bearing Face b in | Hand-Tight Standoff A | End of Threads of Coupling Power-Tight Make-up J in | No. of Threads Per Inch | Weight lb | ||
Short | Long | Short | Long | |||||||||
4-1/2 | 4.500 | 5.000 | 6 1/4 | 7 | 4 19/32 | 0.500 | 5/32 | 3 | 0.500 | 8 | 7.98 | 9.16 |
5 | 5.000 | 5.563 | 6 1/2 | 7 3/4 | 5 3/32 | 0.500 | 3/16 | 3 | 0.500 | 8 | 10.27 | 12.68 |
5-1/2 | 5.500 | 6.050 | 6 3/4 | 8 | 5 19/32 | 0.500 | 1/8 | 3 | 0.500 | 8 | 11.54 | 14.15 |
7 | 7.000 | 7.656 | 7 1/4 | 8 3/4 | 7 3/32 | 0.500 | 3/16 | 3 | 0.500 | 8 | 18.49 | 23.87 |
9-5/8 | 9.625 | 10.625 | 7 3/4 | 9 | 9 25/32 | 0.433 | 1/4 | 3 1/2 | 0.500 | 8 | 39.75 | 56.11 |
10-3/4 | 10.750 | 11.750 | 8 | — | 10 29/32 | 0.433 | 1/4 | 3 1/2 | 0.500 | 8 | 45.81 | — |
13-3/8 | 13.375 | 14.375 | 8 | — | 13 17/32 | 0.433 | 7/32 | 3 1/2 | 0.500 | 8 | 56.57 | — |
16 | 16.000 | 17.000 | 9 | — | 16 7/32 | 0.433 | 7/32 | 3 1/2 | 0.500 | 8 | 76.96 | — |
18-5/8 | 18.625 | 20.000 | 9 | — | 18 27/32 | 0.433 | 7/32 | 3 1/2 | 0.500 | 8 | 119.07 | — |
20 | 20.000 | 21.000 | 9 | 11 1/2 | 20 7/32 | 0.366 | 7/32 | 4 | 0.500 | 8 | 95.73 | 126.87 |
