advantages of Big diameter carbon tubes in Oil and gas industry

the oil and gas industry is one of the most crucial sectors in the global economy. It plays a significant role in meeting the energy demands of various industries and households. To ensure the smooth functioning of this industry, it is essential to have reliable and efficient infrastructure in place. One crucial component of this infrastructure is the Pipelines that transport oil and gas from extraction sites to refineries and distribution centers. High performance Fluid Heat transfer for Mineral Oil PC Case In recent years, there has been a growing demand for big diameter carbon tubes in the oil and gas industry. These tubes, with diameters ranging from 219mm to 3800mm, offer several advantages over traditional pipes. One of the primary advantages is their strength and durability. The use of high-quality Carbon steel in their construction makes them resistant to corrosion and able to withstand high pressure and extreme temperatures. Another advantage of big diameter carbon tubes is their versatility. They can be manufactured using various welding techniques, including erw (Electric resistance Welding), ssaw (spiral Submerged Arc Welding), and LSAW (Longitudinal Submerged Arc Welding). This flexibility allows for the production of pipes that can be customized to meet specific project requirements. Whether it is a straight pipe or a spiral welded pipe, these carbon tubes can be tailored to fit the needs of the oil and gas industry. Furthermore, big diameter carbon tubes are galvanized to enhance their Corrosion resistance. The galvanization process involves coating the pipes with a layer of zinc, which acts as a protective barrier against rust and other forms of corrosion. This additional layer of protection ensures the longevity of the pipes, reducing the need for frequent Maintenance and replacement.

The use of big diameter carbon tubes in the oil and gas industry also offers cost advantages. Due to their strength and durability, these pipes have a longer lifespan compared to traditional pipes. This means that Companies can save on maintenance and replacement costs in the long run. Additionally, the customization options available with these carbon tubes allow for more efficient pipeline designs, reducing the overall construction and installation costs. Moreover, big diameter carbon tubes are environmentally friendly. The use of carbon steel, a recyclable material, in their construction makes them a sustainable choice for the oil and gas industry. Additionally, the galvanization process used to protect these pipes does not involve any harmful chemicals, further reducing their environmental impact.

Tensile and Hardness Requirements
grade			Yield Strength MPa		Tensile Strength	Hardness a,c		Specified Wall thickness	Allowable Hardness Variation b
	Type	Total Elongation Under Load			min MPa	max
			min	max		HRC	HBW	mm	HRC
1	2	3	4	5	6	7	8	9	10
H40	—	0.5	276	552	414	—	—	—	—
J55	—	0.5	379	552	517	—	—	—	—
K55	—	0.5	379	552	655	—	—	—	—
N80	1	0.5	552	758	689	—	—	—	—
N80	Q	0.5	552	758	689	—	—	—	—
R95	—	0.5	655	758	724	—	—	—	—
L80 L80	1	0.5	552	655	655	23	241	—	—
L80	9Cr 13Cr	0.5	552	655	655	23	241	—	—
		0.5	552	655	655	23	241	—	—
C90	1	0.5	621	724	689	25.4	255	£12.70	3
								12.71 to 19.04	4
								19.05 to 25.39	5
								³ 25.40	6
T95	1	0.5	655	758	724	25.4	255	£12.70	3
								12.71 to 19.04	4
								19.05 to 25.39	5
								³ 25.40	6
C110	—	0.7	758	828	793	30	286	£12.70	3
								12.71 to 19.04	4
								19.05 to 25.39	5
								³ 25.40	6
P110	—	0.6	758	965	862	—	—	—	—
Q125	1	0.65	862	1034	931	b	—	£12.70	3
								12.71 to 19.04 19.05	4
									5
a In case of dispute, laboratory Rockwell C hardness testing shall be used as the referee method.
b No hardness limits are specified, but the maximum variation is restricted as a manufacturing control in accordance with 7.8 and 7.9.
c For through-wall hardness tests of grades L80 (all types), C90, T95 and C110, the requirements stated in HRC scale are for maximum mean hardness number.

In conclusion, the advantages of big diameter carbon tubes in the oil and gas industry are numerous. Their strength, durability, and versatility make them an ideal choice for transporting oil and