CARBON STEEL PIPE FITTINGS ASTM A234 TEE 1''

CARBON STEEL PIPE FITTINGS ASTM A234 TEE 1'' System 1

CARBON STEEL PIPE FITTINGS ASTM A234 TEE 1'' System 2

CARBON STEEL PIPE FITTINGS ASTM A234 TEE 1''

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 5 m.t.

Supply Capability:: 30000 m.t./month

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Specifications

1.we produce seamless steel pipe
2.size:48-219*4.5-45mm
3.ISO 9000 approved
4.Market:south/east Asia,Mid-east,South America

seamless steel pipe

Material J55 K55 N80 L80 P110.etc

Standard ASTM JIS

Usage conveying oil gas ,oil pipe line,pipe material collar,oil nature gas,

Packing wooden cases or wooden pallet ,export standard package

Others:Special design available according to requirement

Anti-corrosion available and high temperature resistence

Delivery time 30days

Payment term T/T L/C

Name		API oil casing pipe
Out Diameter		Wall thickness	Material	Thread	Length
in	mm
5 1/2	139.7mm	6.20	J55/K55/N80	LTC/STC/BTC	R2
		6.98
		7.72
		9.17
		10.54
6 5/8	168.28mm	7.32	J55/K55/N80	LTC/STC/BTC	R2
		8.94
		10.59
		12.06
		12.06
8 5/8	219.08	8.94	H40	S/L/B	9 5/8R2
			J55/K55	S/L/B
		10.6	L80	L/B
		12.7	L80 C95	L/B
		14.15	P110	L/B
9 5/8	244.48	13.84	J55 K55		R2
		15.11	L80	L/B
10 3/4	273.05	11.43	J55 K55	S/B/E	R2
		13.84	P110	S/B
		15.11	P110	S/B
11 3/4	298.45	12.19	J55 K55	S/B	R2
		10.96	J55 K55	S/B
13 3/8	339.72	12.19	J55 K55 L80	S/B	R2
		10.92	J55 K55	S/B
		13.06	L80	S/B

Coupling and thread can be required according to customer requirment

Q:What is the maximum temperature and pressure that steel pipes can withstand?: The maximum temperature and pressure that steel pipes can withstand vary depending on the specific grade and type of steel being used. However, in general, steel pipes can withstand high temperatures and pressures due to their strong and durable nature. For high-temperature applications, such as in steam or heat transfer systems, steel pipes can typically withstand temperatures up to 1000 degrees Celsius (1832 degrees Fahrenheit) or even higher. It is important to note that the specific temperature limit may vary depending on the alloy composition and heat treatment of the steel. Regarding pressure, steel pipes are known for their excellent strength and resistance to internal and external pressure. The maximum pressure that steel pipes can withstand will depend on factors such as the pipe diameter, wall thickness, and material strength. In industrial applications, steel pipes can withstand pressures ranging from a few hundred psi (pounds per square inch) to several thousand psi. To ensure the safe operation of steel pipes under high temperatures and pressures, it is crucial to follow industry standards and guidelines, as well as perform regular inspections and maintenance. Consulting with engineers and professionals experienced in steel pipe systems can provide more specific information regarding the maximum temperature and pressure limits for a particular steel pipe application.

Q:Can steel pipes be used for underground gas storage?: Yes, steel pipes can be used for underground gas storage. Steel pipes are commonly used in underground gas storage facilities due to their strength, durability, and resistance to corrosion. They provide a reliable and secure means of storing and transporting gas underground.

Q:How are steel pipes inspected for defects?: Steel pipes are typically inspected for defects using various non-destructive testing methods such as ultrasonic testing, magnetic particle inspection, and visual inspection. These techniques help identify any cracks, corrosion, or other defects in the pipes, ensuring their structural integrity and quality.

Q:How are steel pipes marked for identification and traceability?: Steel pipes are typically marked for identification and traceability through various methods such as stenciling, stamping, or laser engraving. This marking process involves the application of unique codes, numbers, or logos on the surface of the pipes. These markings serve as crucial identifiers, enabling manufacturers, suppliers, and users to track and trace the pipes throughout their lifecycle, ensuring quality control, proper maintenance, and adherence to industry standards.

Q:How are steel pipes tested for leakage?: Steel pipes are tested for leakage through various methods, including hydrostatic testing and ultrasonic testing. In hydrostatic testing, the pipes are filled with water under high pressure to check for any leaks or weaknesses in the welds or seams. Ultrasonic testing involves using high-frequency sound waves to detect any defects or cracks in the pipes. Both methods are effective in ensuring the integrity and leak-free performance of steel pipes.

Q:What is the thermal conductivity of steel pipes?: The specific type of steel used and its composition can cause variations in the thermal conductivity of steel pipes. On average, the thermal conductivity of steel pipes ranges between 50-60 watts per meter-kelvin (W/mK). This indicates that steel pipes possess a relatively high ability to conduct heat, facilitating efficient thermal energy transfer. Given their high thermal conductivity, steel pipes find suitability in numerous applications such as heating systems, industrial processes, and infrastructure projects where heat transfer plays a crucial role.

Q:How seamless steel tube is formed?: Overview of two kinds of steel pipe process:1, cold drawing (rolling) seamless steel pipe: round tube to heating to perforation, annealing, pickling, leading to oil (copper), multi pass drawing (Leng Zha), the blank pipe, heat treatment, straightening, pressure test (testing), marking and warehousing.2. Hot rolling (extrusion seamless steel tube): round tube billet, heating, piercing, three roll cross rolling, rolling or extrusion, removal of pipe, sizing, reducing (diameter or reducing), cooling, blank tube, straightening, water pressure test (or flaw detection), marking and warehousing.

Q:How are steel pipes used in the manufacturing of shipbuilding and offshore structures?: Steel pipes are a necessity when it comes to manufacturing shipbuilding and offshore structures. Their strength, durability, and resistance to corrosion make them the perfect choice for the challenging marine environment. When it comes to shipbuilding, steel pipes serve various purposes. They are primarily used in constructing the hull, which provides structural support to the ship. Steel pipes are responsible for forming the keel and frames, ensuring the hull's shape and strength. By welding these pipes together, a strong and rigid structure is created, capable of withstanding the forces experienced during navigation. Additionally, steel pipes find use in constructing different systems aboard the ship. They are essential components of the piping system, responsible for transporting fluids like fuel, water, and oil throughout the vessel. Furthermore, steel pipes contribute to the ventilation and air conditioning systems, guaranteeing proper airflow and temperature control within the ship. In offshore structures, such as oil rigs and platforms, steel pipes play a vital role. These structures endure extreme environmental conditions, including severe weather, high pressure, and corrosive saltwater. Steel pipes are instrumental in fabricating load-bearing components like legs and risers. Their strength and stability allow the structure to withstand the forces of waves, wind, and drilling operations. Moreover, steel pipes are crucial in constructing subsea pipelines. These pipelines facilitate the transportation of oil, gas, and other fluids from offshore drilling sites to onshore facilities. Steel pipes are preferred due to their high tensile strength and ability to withstand the high pressure and corrosive conditions found in subsea environments. Overall, steel pipes are indispensable in the manufacturing of shipbuilding and offshore structures. Their exceptional strength, durability, and corrosion resistance make them the preferred choice for constructing hulls, systems, and load-bearing components. Without steel pipes, the construction of ships and offshore structures would compromise safety, reliability, and longevity.

Q:What is the difference between seamless steel pipe and welded pipe?: The thicker the diameter, the more commonly the spiral weld. The seamless steel pipe is generally molten state molten steel through the annular slot backlog, and then stretched and other treatment process, so that there is no weld. On the performance, especially the pressure capacity of the steel pipe than ordinary steel has greatly improved, so often used for high voltage equipment.

Q:Can steel pipes be used for solar energy systems?: Yes, steel pipes can be used for solar energy systems. Steel pipes are commonly used for the construction of solar panel mounting structures and the transportation of heated fluids in solar thermal systems. They offer strength, durability, and resistance to high temperatures, making them suitable for various components of solar energy systems.

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