BS1387 HOT DIPPED GALVANIZED PIPE

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Hot Dipped or Pre-galvanized Galvanized Pipe Hot Dipped or Pre-galvanized Pipe

Hot Dip Galvanized seamless steel pipe
Standard: GB,ASTM,DIN,JIS;
Grade: 10#, 20#, 45#, 16Mn;
Length: as customer's demand

Hot Dipped Galvanized Seamless Steel Pipe

1.Standard: ASTM A106,ASTM A53,EN10255,GB/T8162,GB/T8163

2.Material: 10#,20#,ST35,ST37,ST42,ST45

3.Size OD: 18-114.3mm

WT: 2-15mm

Length: 7-12m or according to your requirement.

4.Application: oil and natural gas pipeline, water supply pipeline, boiler, fertilizer factory, chemical

industry, industrial pipeline networks, foundation, construction.

5.Surface: oiled, varnished, black-painted, galvanized, 3PE anti-corrosion, etc

6.Pipe ends:

1). plain end

2). bevelled end

3). both ends threaded, one end with plastic caps protected, the other with socket(couplings) for connecting

4). with hole for casing pipes

5). grooved ends

7.Packing:

1). In bundles, with weaving bags wrapping outside

2). In bare bundles or according to your requirement

Q:How are steel pipes protected against external moisture?: Steel pipes are protected against external moisture through a variety of methods. One common method is the application of a protective coating or paint on the surface of the pipes. This coating acts as a barrier, preventing moisture from coming into direct contact with the steel. The coating can be made of different materials, such as epoxy, polyethylene, or zinc, depending on the specific requirements and environment. Another method of protection is through the use of corrosion inhibitors. These inhibitors are added to the internal or external surfaces of the pipes, forming a protective layer that prevents moisture from causing corrosion. Corrosion inhibitors can be in the form of chemicals, such as rust converters or rust preventatives, which react with the steel to form a protective barrier. Additionally, steel pipes can be protected against external moisture through cathodic protection. This technique involves the use of sacrificial anodes or impressed current to create an electric current that protects the steel. Sacrificial anodes, typically made of zinc, aluminum, or magnesium, are attached to the steel pipes and corrode over time instead of the steel, thus preventing moisture-induced corrosion. Furthermore, proper insulation and waterproofing measures are crucial in protecting steel pipes from external moisture. Insulation materials, such as foam or tape, are applied to the pipes to provide an additional layer of protection and prevent moisture infiltration. Waterproofing measures, such as the use of sealants or membranes, can also be implemented to ensure that no moisture seeps into the pipes. Regular maintenance, including inspections and repairs, is essential to ensure the continued protection of steel pipes against external moisture. By promptly addressing any areas of damage or corrosion, the integrity of the protective measures can be maintained, prolonging the lifespan of the steel pipes and preventing costly repairs or replacements in the future.

Q:Theoretical weight of 25*25*1.5 square steel tubes: Theoretical weight can be directly from the steel tube under the table look up, you can also press type calculation:Weight per meter =4x, wall thickness x (side length - wall thickness) x0.00785. The length of the square tube and the wall thickness are in millimeters, and the weight of each square meter is in kilograms.

Q:What are steel pipes made of?: Steel pipes are primarily made of steel, which is an alloy composed of iron and carbon.

Q:Can steel pipes be used for underground chemical injection?: Underground chemical injection can utilize steel pipes. These pipes are widely employed across industries due to their durability, strength, and resistance to corrosion. For underground chemical injection purposes, steel pipes bring various advantages. They can endure high pressure and temperature, making them suitable for the transportation and injection of chemicals into the ground. Furthermore, steel pipes exhibit superb chemical resistance, guaranteeing that they will not interact with the injected chemicals and compromise the system's integrity. Nevertheless, it is crucial to select the appropriate grade of steel pipe that is compatible with the specific chemicals being injected to ensure optimal performance and longevity. Regular maintenance and inspections are also necessary to identify any potential corrosion or damage to the pipes, thus ensuring the safe and efficient operation of the chemical injection system.

Q:The plastic pipe and steel pipe difference: The steel plastic pipe is a general term, which includes plastic pipe, plastic lined pipe. Plastic pipe external coating, zinc coated and so on in Shanghai, Fujian, Portland, professional in this area

Q:How do you prevent corrosion in steel pipes?: One effective way to prevent corrosion in steel pipes is by applying a protective coating, such as paint or epoxy, to the surface of the pipes. This barrier creates a physical barrier between the pipe and the surrounding environment, preventing moisture and corrosive agents from coming into direct contact with the steel. Additionally, regular inspection and maintenance of the pipes, including cleaning and repairing any damaged coating, can help identify and address potential issues before they lead to corrosion.

Q:How are steel pipes insulated to prevent condensation?: Steel pipes are insulated to prevent condensation by wrapping them with a layer of insulation material, such as foam or fiberglass, which creates a barrier between the cold surface of the pipe and the surrounding air. This insulation helps to maintain the temperature of the pipe, preventing it from reaching the dew point and thus avoiding condensation.

Q:What are the safety considerations when working with steel pipes?: When working with steel pipes, there are several important safety considerations to keep in mind. Firstly, it is crucial to wear appropriate personal protective equipment (PPE). This includes safety glasses or goggles to protect the eyes from flying debris or sparks, gloves to protect the hands from sharp edges or hot surfaces, and steel-toed boots to protect the feet from falling objects or heavy equipment. Additionally, wearing a hard hat is recommended to protect the head from potential falling objects or overhead hazards. Next, it is important to be aware of the weight and size of steel pipes. Handling heavy pipes can put strain on the back and muscles, so it is essential to use proper lifting techniques and seek assistance when necessary. Using lifting equipment, such as cranes or forklifts, can also help prevent injuries related to heavy lifting. Another safety consideration is the risk of cuts or punctures. Steel pipes can have sharp edges or burrs, so it is important to handle them with care and wear appropriate gloves to reduce the risk of injury. Inspecting pipes for any defects or sharp edges before working with them is also recommended. Furthermore, working with steel pipes may involve welding or cutting, which can produce sparks, heat, and fumes. It is crucial to work in a well-ventilated area or use proper ventilation equipment to ensure the removal of harmful gases or fumes. Fire safety precautions should also be taken, such as having fire extinguishers nearby and following proper procedures for hot work. Lastly, it is important to be aware of potential hazards associated with working at heights or in confined spaces. When working on elevated platforms or scaffolding, fall protection measures, such as safety harnesses or guardrails, should be in place. In confined spaces, proper ventilation and monitoring for hazardous gases are essential to prevent asphyxiation or exposure to toxic substances. Overall, by following these safety considerations and adhering to proper procedures, the risk of accidents or injuries when working with steel pipes can be significantly reduced.

Q:Can steel pipes be used for underground utility lines?: Yes, steel pipes can be used for underground utility lines. Steel pipes are commonly used for various underground applications, including utility lines for water, gas, and sewage. They are durable, strong, and resistant to corrosion, making them suitable for long-term use in underground environments. Additionally, steel pipes can be easily welded and connected, allowing for efficient installation and maintenance.

Q:Is the steel frame on each floor supporting formwork (floor) called full scaffolding?: The use of scaffold as its height, when the ceiling height below 3.6M, no matter what the ceiling decoration, decorative scaffolding are calculated

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