BS1387 Galvanized Steel Pipe

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Loading Port:: China main port

Payment Terms:: TT OR LC

Min Order Qty:: 5 m.t.

Supply Capability:: 100000 m.t./month

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Specifications

BS1387 Galvanized steel pipe
Material: Q195-235
Length:1-12M

Product Name:	BS1387 Galvanized Steel Pipe
Size	OD	1/2-8” (20mm-219mm)
	Wall Thickness	0.5mm-10mm SCH30,SCH40,STD,XS,SCH80,SCH160,XXS etc.
	Length	Less than 12m
Ends	1) Plain 2) Beveled 3) Thread with Coupling or cap
End protector	1) Plastic pipe cap 2) Iron protector
Surface Treatment	1) Bared 2) Black Painted (varnish coating) 3) Galvanized 4) With Oiled 5) 3 PE, FBE, corrosion resistant coating
Technique	Electronic Resistance Welded (ERW ) Electronic Fusion Welded (EFW) Double Submerged Arc Welded (DSAW)
Type	Welded Pipe
Welded Line Type	Longitudinal
Section Shape	Round
Inspection	With Hydraulic Testing, Eddy Current , Infrared Test
Package	1) Bundle, 2) In Bulk 3) Bags 4) Clients' Requirements
Delivery	1) Container 2) Bulk carrier
Date of Delivery	According To The Quantity And Specification Of Each Order
Payment	L/C T/T
Others	Fitting as screws and flange also can be supplied.

BS1387 Galvanized Steel Pipe

Usage of Our Products:

Construction	Outside	Workshop, agricultural warehouse, residential precast unit, corrugated roof, roller shutter door, rainwater drainage pipe, retailer booth
	Inside	Door, doorcase, light steel roof structure, folding screen, elevator, stairway, vent gutter
Electrical appliance	Refrigerator, washer, switch cabinet, instrument cabinet, air conditioning, micro-wave oven, bread maker
Furniture	Central heating slice, lampshade, chifforobe, desk, bed, locker, bookshelf
Carrying trade	Exterior decoration of auto and train, clapboard, container, isolation lairage, isolation board
Others	Writing panel, garbage can, billboard, timekeeper, typewriter, instrument panel,

Q: Can steel pipes be used for underground water lines?: Yes, steel pipes can be used for underground water lines.

Q: How are steel pipes used in the manufacturing of aerospace components?: Steel pipes are used in the manufacturing of aerospace components for various purposes such as supporting structures, fuel systems, hydraulic and pneumatic systems, and exhaust systems. They provide strength, durability, and resistance to extreme temperatures and pressure, making them suitable for critical applications in the aerospace industry.

Q: Are steel pipes suitable for underground installations in areas with high moisture content?: In areas with high moisture content, steel pipes are commonly used for underground installations. However, it is important to consider certain factors when utilizing steel pipes in such conditions. Prolonged exposure to moisture can lead to corrosion, which is a significant concern. To mitigate this risk, it is crucial to employ steel pipes that are specifically designed for underground installations and are coated with protective materials like epoxy or polyethylene. These protective coatings act as a barrier between the steel and the surrounding moisture, preventing corrosion and prolonging the lifespan of the pipes. Furthermore, proper installation techniques, including sufficient pipe bedding and backfilling, must be adhered to in order to ensure that the pipes are adequately supported and shielded from external forces. Regular inspection and maintenance are also advisable to promptly identify any signs of corrosion or damage and address them accordingly. Overall, by taking the appropriate precautions and conducting regular maintenance, steel pipes can be a viable choice for underground installations in areas with high moisture content.

Q: How are steel pipes tested for pressure and leakage?: To ensure the safety and reliability of steel pipes, various methods are employed to test them for pressure and leakage. Hydrostatic testing is a commonly used technique, whereby the pipe is filled with water and subjected to a specific pressure for a set period of time. This examination aims to detect any weaknesses or leaks by observing if there is a drop in pressure or visible water leakage. The test carefully monitors and measures the pressure, and if the pipe successfully withstands the required pressure without any signs of leakage, it is deemed to have passed. In addition to hydrostatic testing, other non-destructive methods can also be utilized. Ultrasonic testing, for instance, employs high-frequency sound waves to identify flaws or defects in the pipe material. Similarly, magnetic particle testing involves the application of a magnetic field to the pipe and inspecting it for any magnetic particles that may indicate cracks or imperfections. Furthermore, visual inspection is a crucial component of the pressure and leakage testing of steel pipes. Trained inspectors thoroughly examine both the exterior and interior surfaces of the pipe to detect any visible signs of damage, such as corrosion, cracks, or faulty welds. This visual assessment aids in identifying potential weak points that may lead to leaks or failures under pressure. In summary, a comprehensive evaluation of steel pipes for pressure and leakage involves a combination of hydrostatic testing, non-destructive methods, and visual inspection. These rigorous procedures guarantee that the pipes meet the required standards and are safe for their intended applications.

Q: What is the role of steel pipes in the chemical manufacturing industry?: Steel pipes are an essential component in the chemical manufacturing industry as they are used for various purposes such as transporting chemicals, gases, and liquids safely and efficiently. They provide a durable and corrosion-resistant infrastructure, ensuring the integrity of the chemical processes. Steel pipes also play a crucial role in maintaining the overall safety and reliability of the manufacturing operations.

Q: How are steel pipes stored and transported?: To ensure the safety and prevent damage of steel pipes, a systematic and efficient approach is employed for their storage and transportation. In terms of storage, designated areas are used to either horizontally or vertically stack the pipes. In the case of vertical stacking, custom-made racks or stands are utilized to provide support and prevent rolling or collapsing. This method not only saves space but also allows for easy accessibility when required. To safeguard steel pipes against corrosion and environmental elements, a layer of paint or other protective materials is often applied. Furthermore, pipes may be stored indoors in warehouses or storage facilities to shield them from unfavorable weather conditions. In terms of transportation, depending on the distance and destination, steel pipes are typically loaded onto trucks, railcars, or ships. Specialized equipment such as cranes or forklifts is employed to handle and load the pipes onto these vehicles. To prevent movement during transit, the pipes are tightly secured using straps, chains, or braces. This ensures stability and eliminates the risk of damage to the pipes themselves or other cargo. For long-distance transportation, steel pipes are often transported in bundles or stacks, reinforced to provide additional security. They may also be packed in protective coverings or containers to shield them from moisture, dust, or impacts. Overall, the storage and transportation of steel pipes necessitate meticulous planning, proper handling, and appropriate protective measures to uphold their integrity and quality throughout the entire process.

Q: What are the different international standards for steel pipes?: The industry recognizes and utilizes multiple international standards for steel pipes. Some noteworthy standards are as follows: 1. ASTM A53: This standard encompasses black and galvanized steel pipes, both seamless and welded. It finds common application in low-pressure scenarios involving water, gas, and steam. 2. ASTM A106: This standard covers seamless carbon steel pipes designed for high-temperature usage. It sees widespread use in refineries, power plants, and petrochemical industries where elevated pressure and temperature conditions prevail. 3. ASTM A312: This standard pertains to austenitic stainless steel pipes that are seamless, welded, and heavily cold worked. It is frequently employed in industries such as chemical processing, food processing, and pharmaceuticals, where high temperatures and corrosive environments are encountered. 4. API 5L: This standard outlines the requirements for manufacturing seamless and welded steel pipes for use in pipeline transportation systems within the petroleum and natural gas industries. It specifies two product specification levels (PSL1 and PSL2). 5. EN 10216: This European standard addresses seamless steel pipes utilized for pressure purposes. It finds application in various industries, including power generation, chemical, and oil and gas. 6. JIS G3454: This Japanese standard focuses on carbon steel pipes used for pressure service, commonly employed in the transportation of water, gas, and oil. 7. DIN 2448: This German standard provides specifications for seamless steel pipes used for general purposes. It is extensively utilized across various industrial applications. These examples represent only a fraction of the numerous international standards governing steel pipes. Each standard delineates distinct requirements concerning manufacturing, dimensions, mechanical properties, and testing to ensure the pipes' quality and performance in specific applications. Manufacturers, suppliers, and users must comprehend and adhere to the relevant standards to guarantee the safe and reliable utilization of steel pipes.

Q: How are steel pipes protected against rust and corrosion?: Steel pipes are protected against rust and corrosion through various methods such as applying protective coatings, galvanizing, and utilizing corrosion-resistant alloys.

Q: Are steel pipes suitable for potable water systems?: Yes, steel pipes are suitable for potable water systems. They are known for their durability, strength, and resistance to corrosion, making them an excellent choice for transporting and distributing clean drinking water. However, it is important to ensure proper coating and maintenance to prevent any potential contamination or degradation of water quality.

Q: What is the difference between steel pipe and aluminum pipe?: Steel pipes and aluminum pipes differ primarily in their composition and physical properties. Steel pipes are composed of iron and carbon, with added elements for strength and corrosion resistance. In contrast, aluminum pipes are made entirely of lightweight and highly corrosion-resistant aluminum. The weight of the pipes is a significant distinction. Steel is denser than aluminum, making steel pipes heavier and more robust. This characteristic makes steel pipes ideal for applications requiring structural strength and load-bearing capabilities. On the other hand, aluminum pipes offer advantages due to their lightweight nature. They weigh only about one-third of steel pipes, making them easier to handle, transport, and install. This lightweight property is especially beneficial in industries such as aerospace and automotive, where weight reduction is crucial. Corrosion resistance is another important consideration. Steel pipes are prone to rust and corrosion, especially in moist or corrosive environments. To address this issue, steel pipes are often coated or galvanized. In contrast, aluminum pipes naturally resist corrosion due to the formation of a protective layer of aluminum oxide on their surface. Cost is also a factor to consider. Generally, steel pipes are more cost-effective due to lower raw material and manufacturing costs. However, long-term maintenance costs and lifespan may vary between steel and aluminum pipes, so specific requirements and durability should be taken into account. In conclusion, the difference between steel and aluminum pipes lies in their weight, strength, corrosion resistance, and cost. Steel pipes are heavier, stronger, and more prone to rust and corrosion but are generally more cost-effective. Aluminum pipes are lightweight, corrosion-resistant, and costlier but offer advantages in weight reduction and specific applications requiring corrosion resistance. The choice between steel and aluminum pipes depends on the project's needs and desired properties for optimal performance.

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