Overview of  API 5ct Cr13 L80 J55 N80 P110 Oil Casing steel tubing

API 5CT Cr13 L80 J55 N80 P110 Oil Casing Steel tubing api 5CT Cr13 L80 J55 N80 P110 oil casing steel tubing is a type of steel tubing used in the Oil and gas industry. It is designed to provide structural support to the wellbore and protect the Casing string from external forces such as pressure, temperature, and corrosion. This article provides an overview of API 5CT Cr13 L80 J55 N80 P110 oil casing steel tubing, including its composition, properties, and applications. Copper Ingot API 5CT Cr13 L80 J55 N80 P110 oil casing steel tubing is made from carbon and alloy steel grades that are suitable for various oilfield operations. The composition of the steel tubing is carefully controlled to ensure High strength, toughness, and resistance to corrosion. Cr13, L80, J55, N80, and P110 are the different grades of steel used in API 5CT Oil Casing tubing, each with its own unique properties and applications. Cr13 is a chromium-based alloy steel that offers excellent resistance to corrosion and high-temperature oxidation. It is commonly used in oil and gas wells where the presence of corrosive fluids and high temperatures can degrade the casing string. L80 is a medium-Carbon steel with a higher tensile strength than Cr13. It is suitable for wells with moderate to high pressures and temperatures. J55 is a low-carbon steel that is widely used in shallow wells and low-pressure applications. It has good weldability and is cost–effective, making it a popular choice for many oil and gas operators. N80 is a higher-strength steel with improved resistance to corrosion and higher collapse resistance. It is commonly used in deep wells and high-pressure environments.

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Labels a							Calculated Mass c
			Nominal linear Mass T& C b,c	Wall thick– ness				em, Mass Gain or Loss Due to End Finishing d
		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
8 5/8	24	219.08	35.72	6.71	205.66	202.48	35.14	10.93	—	—	—
8 5/8	28	219.08	41.67	7.72	203.64	200.46	40.24	10.07	— 12.44	— 12.57	— 2.51
8 5/8	32	219.08	47.62	8.94	201.2	200.02 e 198.02 195.58	46.33	9.39	12.44	12.57	2.51
8 5/8	32	219.08	47.62	8.94	201.2	193.68 e	46.33	9.39	11.6	11.68	1.62
8 5/8	36	219.08	53.57	10.16	198.76	193.04	52.35	8.72	10.73	10.77	0.71
8 5/8	40	219.08	59.53	11.43	196.22	190.5	58.53	—	10.73	10.77	0.71
8 5/8	40	219.08	59.53	11.43	196.22	187.6	58.53	—	9.88	9.87	–0.20
8 5/8	44	219.08	65.48	12.7	193.68		64.64	—	8.88	8.85	–1.21
8 5/8	49	219.08	72.92	14.15	190.78		71.51	—
9 5/8	32.3	244.48	48.07	7.92	228.6	224.66	46.2	11	— 14.48	— 13.87	— 2.74
9 5/8	36	244.48	53.57	8.94	226.6	222.63	51.93	10.36	13.59	12.97	1.84
9 5/8	40	244.48	59.53	10.03	224.4	222.25 e 220.45 218.41 218.41 216.54 216.54	57.99	9.69	13.59	12.97	1.84
9 5/8	40	244.48	59.53	10.03	224.4	215.90 e	57.99	9.69	12.78	12.15	1.01
9 5/8	43.5	244.48	64.74	11.05	222.4	215.90 e 212.83 212.83	63.61	—	12.84 f	12.15	1.01
9 5/8	43.5	244.48	64.74	11.05	222.4	212.72 e	63.61	—	12.03	11.39	0.25
9 5/8	47	244.48	69.94	11.99	220.5	212.72 e 210.29 210.29 209.58 206.38 203.23 200.02	68.75	—	12.09 f	11.39	0.25
9 5/8	47	244.48	69.94	11.99	222.5		68.75	—	10.57	9.92	–1.22
9 5/8	53.5	244.48	79.62	13.84	216.8		78.72	—	10.63 f	9.92	–1.22
9 5/8	53.5	244.48	79.62	13.84	216.8		78.72	—	10.57	9.92	–1.22
9 5/8	53.5	244.48	79.62	13.84	216.8		78.72	—	10.63 f	9.92	–1.22
9 5/8	53.5	244.48	79.62	13.84	216.8		78.72	—	9.58	8.92	–2.22
9 5/8	58.4	244.48	86.91	15.11	214.25		85.47	—	9.65 f	8.92	–2.22
9 5/8	58.4	244.48	86.91	15.11	214.25		85.47	—	9.58	8.92	–2.22
9 5/8	58.4	244.48	86.91	15.11	214.25		85.47	—	9.65 f	8.92	–2.22
9 5/8	58.4	244.48	86.91	15.11	214.25		85.47	—	—	—	—
9 5/8	59.4	244.48	88.4	15.47	213.5		87.37	—	—	—	—
9 5/8	64.9	244.48	96.58	17.07	210.3		95.73	—	—	—	—
9 5/8	70.3	244.48	104.62	18.64	207.2		103.82	—	—	—	—
9 5/8	75.6	244.48	112.51	20.24	204		111.93	—

P110 is a high-strength steel with excellent mechanical properties and resistance to corrosion. It is suitable for extreme conditions such as deep wells, high pressures, and sour environments. The different grades of API 5CT Oil Casing Steel Tubing allow operators to select the most appropriate material for their specific well conditions, ensuring optimal performance and longevity. In addition to its composition, API 5CT Cr13 L80 J55 N80 P110 oil casing steel tubing also undergoes various heat treatment processes to further enhance its properties. These processes include quenching and tempering, normalization, and stress relieving. The heat treatment improves the steel tubing’s strength, toughness, and resistance to cracking, ensuring its