1. J55,N80,P110 2.5 1/2'' 7'' 9 5/8'' 3.SLC LC 4.Anti-corrosion paint 5.standard meet API 5CT requirement

    We have set up casing producing assembly line ,including material testing and monitoring, megaflop, digital control machine and automatically head-treat equipment etc .then produce’s standard meet API 5CT requirement. We can product all kinds of casing and coupling rang from “4 to 9 5/8” Before manufacture, the advanced spectrometer is applied for conducting material analysis, In the course of calcinations, the infrared thermometer is used to monitor the heating temperature ,the following steps to tempering, thread processing, detecing surface, pressure testing and auto-spray painting are completely in accordance with quality control system

Main Technical Parameters of Casing

OD mm	Thickeness mm	Thread		OD mm	Thickeness mm	Thread
		J55	N80			J55	N80
114.3 (4 1/2’’)	5.69	STC	LC	177.8 (7’’)	12.65		LC
	6.35	STC/LC	LC		13.72	STC	LC
	7.37			219.1 (8 5/8’’)	6.71	STC
139.7 (5 1/2’’)	6.20				7.72	STC/LC
	6.98	STC			8.94	STC/LC
	7.72	STC/LC	LC		10.16	STC/LC	LC
	9.17	STC/LC	LC	244.5 (8 5/8’’)	8.94	STC/LC
	10.54		LC		10.03		LC
177.8 (7’’)	8.05	STC/LC	LC		11.05		LC
	9.19	STC/LC	LC		11.99		LC
	10.36		LC		13.84		LC
	11.51				15.11		LC

Processing process:

5 1/2'' J55 LC R2 API 5CT seamless anti corrosion metal casing&pipe