China API Tubing Casing Couplings for Oil Petroleum Pipes Rods

API Casing & Tubing Couplings for Petroleum Pipes and Rods
A short length of pipe used to connect two joints of casing. A casing coupling has internal threads (female thread form) machined to match the external threads (male thread form) of the long joints of casing. The two joints of casing are threaded into opposite ends of the casing coupling.
1. Standard: API
2. Size: 4 1/2" --- 20"
3. Steel grade: H-40, J-55, K-55, C-75, L-80, N-80, C-95, AS-95, P-110, L80-13CR
4. Thread: STC, LTC and BTC
5. Parameters

Descriptions and sizeType of ThreadO.D*LWeight(mm)(kg)Casing Coupling4-1/2"STC127.00*158.755.234-1/2"LTC127.00*177.804.154-1/2"BTC127.00*225.424.555"STC141.30*165.104.665"LTC141.30*196.855.755"BTC141.30*231.785.855-1/2"STC153.67*171.455.235-1/2"LTC153.67*203.206.425-1/2"BTC153.67*234.956.366-5/8"STC187.71*184.159.126-5/8"LTC187.71*222.2511.346-5/8"BTC187.71*244.4811.017"STC194.46*184.158.397"LTC194.46*228.6010.837"BTC194.46*254.0010.547-5/8"STC215.90*190.5012.37-5/8"LTC215.90*234.9515.637-5/8"BTC215.90*263.5215.828-5/8"STC244.48*196.8516.238-5/8"LTC244.48*254.0021.678-5/8"BTC244.48*269.8820.869-5/8"STC269.88*196.8518.039-5/8"LTC269.88*266.7025.459-5/8"BTC269.88*269.8823.1610-3/4"STC298.45*203.2020.7810-3/4"BTC298.45*269.8825.7411-3/4'STC323.85*203.2022.6411-3/4'BTC323.85*269.8828.0313-3/8"STC365.12*203.2025.6613-3/8"BTC365.12*269.8831.7716"STC431.80*228.634.9116"BTC431.80*269.8840.2818-5/8"STC508.00*228.6051.0118-5/8"BTC508.00*269.8862.6820"STC533.40*228.643.4220"LTC533.4*292.1057.0420"BTC533.40*269.8850.1