introduction to china  API 5ct Carbon Steel K55 J55 L 80 N80 13 3/8

China API 5CT Carbon Steel K55 J55 L 80 N80 13 3/8 China is a leading producer and Exporter of API 5CT Carbon Steel Pipes, specifically the K55, J55, l80, and N80 grades in the 13 3/8 size. These Pipes are widely used in the Oil and Gas industry for various applications, including drilling, Casing, and Tubing.

							Calculated Mass c
			Nominal Linear Mass T& C b,c	Wall Thick- ness				em, Mass Gain or Loss Due to End Finishing d
Labels a		Outside Diameter			Inside Diameter	Drift Diameter	Plain- end	kg
								Round Thread		Buttress Thread
							wpe
		D	kg/m	t	D	mm	kg/m	Short	Long	RC	SCC
		mm		mm	mm
1	2	3	4	5	6	7	8	9	10	11	12
7	17	177.8	25.6	5.87	166.06	162.88	24.89	7.61	—	—	—
7	20	177.8	29.91	6.91	163.98	160.8	29.12	6.74	— 7.94	— 8.28	— 0.58
7	23	177.8	34.67	8.05	161.7	158.75 e 158.52 156.24 153.90	33.7	6.26	7.94	8.28	0.58
7	23	177.8	34.67	8.05	161.7	152.40 e	33.7	6.26	7.37	7.65	–0.54
7	26	177.8	39.14	9.19	159.42	151.6	38.21	5.79	6.79	7.13	–0.69
7	29	177.8	43.6	10.36	157.08	149.32	42.78	—	6.23	6.4	–1.31
7	32	177.8	47.92	11.51	154.78	147.18	47.2	—	6.23	6.4	–1.31
7	32	177.8	47.92	11.51	154.78	142.86	47.2	—	5.68	5.79	–1.91
7	35	177.8	52.09	12.65	152.5	139.72	51.52	—	5.18	5.24	–2.47
7	38	177.8	56.1	13.72	150.36	136.52	55.52	—	—	—	—
7	42.7	177.8	63.84	15.88	146.04	133.38	63.41	—	—	—	—
7	46.4	177.8	69.35	17.45	142.9	130.18	69.01	—	—	—	—
7	50.1	177.8	74.85	19.05	139.7		74.58	—	—	—	—
7	53.6	177.8	80.21	20.62	136.56		79.93	—	—	—	—
7	57.1	177.8	85.42	22.22	133.36		85.25	—
7 5/8	24	193.68	35.72	7.62	178.44	175.26	34.96	7.11	— 8.58	— 9.12	— 2.59
7 5/8	26.4	193.68	39.29	8.33	177.02	173.84	38.08	6.78	7.91	8.38	1.84
7 5/8	29.7	193.68	44.2	9.52	174.64	171.46	43.24	—	7.13	7.51	0.98
7 5/8	33.7	193.68	50.15	10.92	171.84	168.66	49.22	—	6.16	6.44	– 0.10
7 5/8	39	193.68	58.04	12.7	168.28	165.1	56.68	—	5.32	5.5	–1.03
7 5/8	42.8	193.68	63.69	14.27	165.14	161.96	63.14	—	4.87	5.01	–1.52
7 5/8	45.3	193.68	67.41	15.11	163.46	160.28	66.54	—	4.48	4.57	–1.96
7 5/8	47.1	193.68	70.09	15.88	161.92	158.74	69.63	—	—	—	—
7 5/8	51.2	193.68	76.19	17.45	158.78	155.6	75.84	—	—	—	—
7 5/8	55.3	193.68	82.3	19.05	155.58	152.4	82.04	—
7 3/4	46.1	196.85	68.6	15.11	166.63	165.10 e	67.72	—	—	—	—
7 3/4	46.1	196.85	68.6	15.11	166.63	163.45	67.72	—	—	—	—

API 5CT is a standard set by the American Petroleum Institute (API) that specifies the technical requirements for casing and tubing used in oil and gas wells. It ensures the quality and performance of these pipes, making them suitable for the demanding conditions of the industry. Carbon steel is the most commonly used Material for API 5CT Pipes due to its excellent mechanical properties and cost-effectiveness. It offers high strength, good toughness, and resistance to corrosion, making it ideal for the harsh environments encountered in oil and gas operations. The K55 grade is a higher strength carbon steel with a minimum yield strength of 55,000 psi. It is commonly used for casing and tubing in shallow to medium-depth wells. The J55 grade, on the other hand, has a lower yield strength of 55,000 psi but is more commonly used for shallow wells due to its lower cost.

The L80 grade is a medium carbon steel with a yield strength of 80,000 psi. It is suitable for both casing and tubing applications in a wide range of well depths. Its higher strength and resistance to corrosion make it a popular choice for more challenging drilling conditions. The N80 grade is a higher strength carbon steel with a yield strength of 80,000 psi. It is commonly used for casing and tubing in deep and high-pressure wells. Its excellent mechanical properties and resistance to corrosion make it well-suited for the demanding conditions encountered in these wells. The 13 3/8 size refers to the outer diameter of the pipe, which is 13 3/8 inches. This size is commonly used for casing in oil and gas wells, providing the necessary structural support and protection for the wellbore. The API 5CT specification ensures that these pipes meet the required dimensional and mechanical properties for their intended use. China has emerged as a major player in the production of API 5CT carbon steel pipes, including the K55, J55, L80, and N80 grades in the 13 3/8 size. The country’s advanced manufacturing capabilities and cost-effective production processes have made it a preferred Supplier for many oil and gas Companies worldwide. Oil Tube In addition to meeting the technical requirements of the API 5CT standard, chinese Manufacturers also adhere to strict quality control measures to ensure the reliability and performance of their products. They employ advanced testing methods and inspection procedures to verify the integrity of the pipes, including dimensional checks, mechanical testing, and Non-destructive testing. Furthermore, Chinese manufacturers are committed to environmental sustainability and have implemented measures to minimize their carbon footprint. They use energy-efficient production processes and employ recycling and waste management practices to reduce their impact on the environment. In conclusion, China is a leading producer and exporter of API 5CT carbon steel pipes, including the K55, J55, L80, and N80 grades in the 13 3/8 size. These pipes are widely used in the oil and gas industry for various applications, providing the necessary strength, durability, and Corrosion resistance required for drilling, casing, and tubing operations. Chinese manufacturers adhere to strict quality control measures and are committed to environmental sustainability, making them a reliable and responsible choice for oil and gas companies worldwide.