API casing pipe thread

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Std Ref.: API 5CT 5B ISO9001, 2008

Grade: J55,K55, N80-1,N80-Q,L80,C90,P110

Size: tubing 1.9"to4-1/2", casing 4-1/2"to13-3/8"

1.Grade: K55, N80-1, N80-Q, L80, C90, P110

2.We also supply permium thread products by customer's request

3.Size: tubing coupling from 1.9" to 4-1/2",Casing coupling fro4-1/2"to 13-3/8"

4.Type: NU, EU(tubing coupling), STC,LC,BTC(casing coupling).

5.Surface treatment: Whole phosphating, or inside phosphating and outside coating

6.Packing: By carton, wooden case, wooden pallet, or by requirements of customers

Otherwise, Our company manufactures and sells casing and tubing couplings,pup joints, tool joints, adapter pup-joints, adapter couplings, stabilizers, anchors of oil pumps and revolving sand gravitated device of well, etc. We always do business based on the principle of equality and mutual benefit, we provide the high quality and competitive price products.

Q:How are steel pipes protected against UV radiation?: Steel pipes are typically protected against UV radiation through the application of coatings or paints that contain UV inhibitors. These coatings act as a barrier between the steel surface and the harmful UV rays, preventing damage and degradation of the pipes over time. Additionally, some steel pipes may be treated with zinc or other metals, which offer inherent UV protection and enhance the overall durability of the pipes.

Q:What are the industries that commonly use steel pipes?: Some of the industries that commonly use steel pipes include oil and gas, construction, manufacturing, automotive, infrastructure, water treatment, and plumbing.

Q:What are the dimensions of steel pipes?: The dimensions of steel pipes can vary depending on the specific requirements and industry standards. However, steel pipes typically have standardized dimensions in terms of their outer diameter (OD), wall thickness, and length. The outer diameter of steel pipes can range from small sizes, such as ¼ inch (6.35 mm) or ⅛ inch (3.175 mm), to larger sizes like 48 inches (1219.2 mm) or even more for specialty applications. The wall thickness of steel pipes can also vary greatly, with options ranging from thin-walled pipes with a few millimeters of thickness to thick-walled pipes with several inches of thickness. In terms of length, steel pipes are typically produced in standard lengths of 20 feet (6.1 meters) or 40 feet (12.2 meters). However, custom lengths can also be manufactured based on specific project requirements. It is important to note that these dimensions are just general examples and may not cover all the possible variations in steel pipe sizes. Therefore, it is always recommended to consult relevant industry standards and specifications to determine the precise dimensions required for a particular application.

Q:Can steel pipes be used for piling?: Certainly, piling can involve the utilization of steel pipes. Steel pipes find widespread use in piling applications owing to their robustness, endurance, and adaptability. They possess the ability to endure the weight and pressure exerted by the soil, thus furnishing a steadfast base for constructions. The process of driving specialized equipment ensures the secure placement of steel pipes employed for piling. Moreover, steel pipes can be effortlessly trimmed and fused to the desired dimensions, rendering them suitable for diverse piling endeavors.

Q:What are the different grades of steel used in manufacturing pipes?: The different grades of steel used in manufacturing pipes are typically categorized based on their chemical composition and mechanical properties. Some common grades include carbon steel, stainless steel, alloy steel, and duplex steel. Each grade has its own unique characteristics and is chosen based on the specific requirements of the application, such as corrosion resistance, strength, and temperature resistance.

Q:Are steel pipes suitable for solar power plants?: Yes, steel pipes are suitable for solar power plants. They are commonly used in various applications within the plant, such as carrying water for cooling systems and transporting steam in concentrated solar power (CSP) plants. Steel pipes offer durability, strength, and resistance to corrosion, making them a reliable choice for the demanding conditions of a solar power plant.

Q:What is the elasticity of steel pipes?: The elasticity of steel pipes refers to their ability to deform under stress and then return to their original shape once the stress is removed. Steel pipes are known for their high elasticity, which allows them to withstand heavy loads and pressure without permanent deformation.

Q:What are the different types of flanges used with steel pipes?: There are several types of flanges commonly used with steel pipes, including slip-on flanges, weld neck flanges, socket weld flanges, threaded flanges, and blind flanges. These flanges are used to connect and secure steel pipes in various industrial applications, each offering specific advantages depending on the requirements of the piping system.

Q:What is the lifespan of steel pipes?: The lifespan of steel pipes can vary depending on various factors such as the quality of the steel, usage conditions, maintenance, and external factors like corrosion. However, properly installed and maintained steel pipes can typically last for several decades or even a century.

Q:How do steel pipes handle pressure surges?: Steel pipes possess exceptional strength and durability, enabling them to effectively manage pressure surges. When pressure surges arise within a pipeline system, steel pipes exhibit the capability to withstand and absorb heightened forces without experiencing breakage or rupture. The commendable tensile strength of steel grants resistance against the pressure imposed upon the pipes, preventing deformation or collapse during sudden surges. Furthermore, steel pipes possess a commendable burst pressure rating, signifying their capacity to endure substantial pressure increases without succumbing to failure. Additionally, steel pipes are frequently engineered with thicker walls, bolstering their capacity to handle pressure surges. The increased wall thickness assists in distributing the augmented force evenly, thereby minimizing the possibility of localized stress and potential points of failure. Moreover, steel pipes are frequently employed in conjunction with fittings and valves specially designed to tackle pressure surges. These fittings and valves are composed of similar materials, ensuring compatibility and preserving the integrity of the pipeline system. All in all, steel pipes are excellently suited to manage pressure surges due to their strength, durability, and ability to endure high pressures. Their resistance to deformation, notable burst pressure rating, and compatibility with specialized fittings and valves render them a dependable choice for applications where pressure surges may arise.

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