oil casing                                                    

Our company provides the following casing with API standard.   

 

Size	Outside Diameter		Inside Diameter		Grade	Wall Thickness
	in	mm	in	mm		in	mm
4-1/2	4.500	114.30	4.000	101.60	J55K55N80	0.250	6.35
			3.920	99.57	J55K55N80	0.290	7.37
5	5.000	127.00	4.408	111.96	J55K55N80	0.296	7.52
			4.276	108.61	N80P110	0.362	9.29
			4.126	104.80	N80P110	0.437	11.10
5-1/2	5.500	139.70	4.892	124.26	J55K55N80	0.304	7.72
			4.778	121.36	N80	0.361	9.17
			4.670	118.62	N80	0.415	10.54
7	7.000	177.80	6.366	161.70	J55K55N80	0.317	8.05
			6.276	159.41	J55K55N80	0.362	9.19
			6.184	157.07	N80	0.408	10.36
9-5/8	9.625	244.48	8.755	222.38	N80	0.435	11.05
			8.681	222.50	N80	0.472	11.99
10-3/4	10.750	273.05	10.050	255.27	H40 J55K55N80	0.350	8.89
			9.850	250.19	J55K55N80	0.450	11.43
13-3/8	13.375	339.72	12.615	320.42	J55K55	0.380	9.65
			12.415	315.34	J55K55N80	0.480	12.19

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Process Flow Diagram

Production Equipment

Quality Control

 

Company Information

Cangzhou Chengyuan Steel Pipe Co., Ltd is a professional production and sales of steel pipe and pipe fittings in north China. It is located in Yanshan industrial parkof Yanshan county which is called "pipeline equipment production base”. It is to the west of Huanghua port, to the south of Beijing and Tianjin, 205 national highway, 104 national road, Beijing-shanghai railway cross border, domestic transportation is very convenient; In addition, 200 kilometers away from Tianjin Xingang port, providing a more convenient conditions for export business.

The company covers an area of 67,000 square meter, fixed assets 80 million RMB,  having advanced production equipment and complete testing means. The company have hot rolling punch units, cold drawing production line, thermal expansion tube production line; With eddy current flaw detector, ultrasonic flaw detector and other nondestructive testing equipment, as well as the hydraulic testing machine, WE - 600 universal testing machine, WE - 1000 hydraulic universal testing machine and a full set of metallographic test equipment and physical chemistry instruments.

Our company specialize in the production of 3PE anticorrosion steel tube, epoxy coal bitumen anticorrosion steel tube,2PE anticorrosion steel tube, IPN8710 anticorrosion steel tube, epoxy resin anticorrosion steel tube, non-toxic epoxy white ceramic anticorrosion steel tube, cement mortar lining anticorrosion steel tube, polyurethane thermal insulation pipe, steam thermal insulation pipe, thermal insulation pipe with steel jacket, directly buried thermal insulation pipe, rock wool thermal insulation pipe, oil casing, EUE and NUE oil pipe, BTC LTC STC oil casing,  seamless steel pipe, thick-walled steel pipe, alloy pipe, carbon steel seamless pipe, welded pipe, galvanized pipe, stainless steel, titanium alloy tube and outside hexagonal steel pipe, etc.. The company has strong professional and technical service capability and market competitiveness. In 2008 our company obtained the import and export rights. Based on the domestic market, the product is exported to Europe and the United States and southeast Asia, Africa and other places, and with the international well-known enterprises to establish long-term strategic partnership of cooperation, well welcomed by customers.

The company passed the ISO9001 management system certification, ISO14001 environmental management system certification, OHSAS18001 occupational health and safety management system certification. The main products are electric power, chemical industry equipment, carbon steel, alloy steel, stainless steel, steel grade X series and all kinds of elbow, bend, reducer, tee, four-way, head, flange, plug-in, such as steam-water pipe series products. Material has A106-A, A106-B, ASTM1045, A105, A333, A199-T11, A335-P12, A335P5 and P9, P11, P12, P22, P91, P92, WB36, A199-T22,304,  etc.  Applied standard can be API 5L, API5CT, ASTM standards, German DIN standard, JIS standard, British BS  standards, and Chinese standards GB. Company’s products are widely used in petroleum, chemical, natural gas, nuclear power, thermal power enterprises, metallurgy, heat pipe network, shipbuilding, papermaking, construction and other industries of pipeline engineering.

The company always adhere to the "with sustainable development as the guidance, strives for realism the innovation; to satisfy the customers as the pursuit of forever, the supremacy of credibility" of the enterprise purpose, development innovation, continuous improvement in the cooperation, advancing with The Times, strengthen the improvement, make Chengyuan a morebrilliant tomorrow

Contact Information