| Specification | 
                                                    
                                
                                    
                                                                                     After-sales Service: Online Service; 
                                                                                     Warranty: 12 Months; 
                                                                                     Manufacturing Process: Forging; 
                                                                                     Surface Treatment: Spray-Paint; 
                                                                                     Operation Pressure: Atmospheric Pressure; 
                                                                                     Material: Alloy; 
                                                                                     Machinery Test Report: Provided; 
                                                                                     MOQ: 1 Set; 
                                                                             
                                 
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                                                                                     After-sales Service: Technical Support; 
                                                                                     Warranty: 1 Year; 
                                                                                     Manufacturing Process: CNC Milling; 
                                                                                     Operation Pressure: Atmospheric Pressure; 
                                                                                     Name: Casing and Tubing Coupling; 
                                                                                     Grade: J55, K55, N80-1, N80-Q, L80, C90, P110; 
                                                                                     Type: Pipeline Transport, Boiler Pipe, Hydraulic/Automob; 
                                                                                     Connection: Male Threads; 
                                                                                     Usage: Joining Pipe Lines; 
                                                                                     Customized Support: OEM, ODM, Obm; 
                                                                                     Shape: Round; 
                                                                                     Standard: API, API 5CT; 
                                                                                     Keyword: Hot Rolled Galvanized Tubing; 
                                                                                     Thread Type: Stc Ltc Btc Nue Eue Lp; 
                                                                                     Size: 9-5/8in; 
                                                                             
                                 
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                                                                                     After-sales Service: Technical Support; 
                                                                                     Warranty: 1 Year; 
                                                                                     Manufacturing Process: CNC Milling; 
                                                                                     Surface Treatment: Spray-Paint; 
                                                                                     Operation Pressure: Atmospheric Pressure; 
                                                                                     Material: Carbon Steel; 
                                                                                     Grade: J55, K55, N80-1, N80-Q, L80, C90, P110; 
                                                                                     Type: Welded Steel Pipe; 
                                                                                     Connection: Male Threads; 
                                                                                     Usage: Joining Pipe Lines; 
                                                                                     Customized Support: OEM, ODM, Obm; 
                                                                                     Shape: Round; 
                                                                                     Standard: API, API 5CT; 
                                                                                     Keyword: Hot Rolled Galvanized Tubing; 
                                                                                     Thread Type: Stc Ltc Btc Nue Eue Lp; 
                                                                             
                                 
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                                                                                     After-sales Service: Technical Support; 
                                                                                     Warranty: 1 Year; 
                                                                                     Manufacturing Process: CNC Milling; 
                                                                                     Surface Treatment: Spray-Paint; 
                                                                                     Operation Pressure: Atmospheric Pressure; 
                                                                                     Material: Carbon Steel; 
                                                                                     Name: Tubing and Casing Coupling; 
                                                                                     Grade: J55, K55, N80-1, N80-Q, L80, C90, P110; 
                                                                                     Type: Welded Steel Pipe; 
                                                                                     Connection: Male Threads; 
                                                                                     Usage: Joining Pipe Lines; 
                                                                                     Customized Support: OEM, ODM, Obm; 
                                                                                     Shape: Round; 
                                                                                     Standard: API, API 5CT; 
                                                                                     Keyword: Hot Rolled Galvanized Tubing; 
                                                                                     Procedure Specification: Psl-1 Psl-2 Psl-3; 
                                                                                     Thread Type: Stc Ltc Btc Nue Eue Lp; 
                                                                             
                                 
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                                                                                     After-sales Service: Technical Support; 
                                                                                     Warranty: 1 Year; 
                                                                                     Manufacturing Process: CNC Milling; 
                                                                                     Surface Treatment: Phosphating and Coating; 
                                                                                     Operation Pressure: Atmospheric Pressure; 
                                                                                     Material: API 5CT Tubing Coupling 3-1/2 P110 Nue for Seamles; 
                                                                                     Grade: J55, K55, N80-1, N80-Q, L80, C90, P110; 
                                                                                     Type: Welded Steel Pipe; 
                                                                                     Connection: Male Threads; 
                                                                                     Usage: Joining Pipe Lines; 
                                                                                     Customized Support: OEM, ODM, Obm; 
                                                                                     Shape: Round; 
                                                                                     Standard: API, API 5CT; 
                                                                                     Keyword: Hot Rolled Galvanized Tubing; 
                                                                                     Thread Type: Stc Ltc Btc Nue Eue Lp; 
                                                                                     Model No.: 5"; 
                                                                                     Size: 1.9"-20"; 
                                                                             
                                 
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