ASTM A500/JIS/EN Rectangular hollow section
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 10 m.t.
- Supply Capability:
- 5000 m.t./month
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Product Name | rectangular hollow section/ RHS | |
Size | Size: | 10*10--500*500mm |
Thickness: | 0.45--16mm | |
Length: | 3-12m | |
Steel Grade | Q195,Q215,Q235,Q345,16Mn, 20# | |
Standard | ASTM A500,EN10219,GB/T6728,GB/T6725,JIS G3466 | |
Usage | 1. For Structure, Airport, Railway 2. Construction and so on. | |
Ends | Plain end or By Your Choice | |
Surface | Bared Or With Oiled Or Galvanized | |
Technique | ERW ,Hot Rolled and Cold Rolled | |
Section Shape | Rectangular | |
Inspection | With Hydraulic Testing, Eddy Current , Infrared Test | |
Package | Bags, Bundle, In Bulk, Containers | |
MOQ | 20 Metric Ton / Can Be Negotiated | |
Supply Ability | 15,000 Metric Ton/Month | |
Date of Delivery | 7 days(Qty within 1000 Metric Ton) or According To The Quantity | |
Port of Shipment | Tianjin, China | |
Payment | L/C T/T |
- Q:How do you calculate the pipe pressure drop for steel pipes?
- To calculate the pressure drop in steel pipes, you can use the Darcy-Weisbach equation, which takes into account factors such as the pipe diameter, length, roughness, and the fluid flow rate. By plugging these variables into the equation, you can determine the pressure drop experienced by the fluid as it flows through the steel pipe.
- Q:What is the difference between steel pipes and ductile iron pipes?
- Steel pipes and ductile iron pipes are both commonly used for plumbing and industrial applications, but there are notable differences between them. The main difference lies in their composition and mechanical properties. Steel pipes are made primarily from iron and carbon, with small amounts of other elements added for strength and corrosion resistance. On the other hand, ductile iron pipes contain a higher percentage of carbon and small amounts of other elements like silicon and manganese, which give them improved ductility and resistance to cracking. Consequently, steel pipes are typically stronger and more rigid, suitable for high-pressure applications, while ductile iron pipes offer better flexibility and impact resistance, making them ideal for underground installations and areas prone to ground movement. Additionally, steel pipes are usually more expensive than ductile iron pipes due to their higher strength and corrosion resistance.
- Q:Are steel pipes resistant to ultraviolet (UV) radiation?
- Ultraviolet (UV) radiation poses a threat to steel pipes as they do not possess inherent resistance. This type of radiation has the potential to induce degradation and discoloration in various materials, including steel. However, the extent of harm inflicted depends on several factors, including steel type, duration and intensity of UV exposure, and the presence of protective coatings or finishes on the pipes. Generally, uncoated steel pipes are more vulnerable to UV damage compared to those treated with protective coatings or finishes. Coatings such as epoxy or polyethylene act as a shield against UV radiation, effectively preventing steel degradation and discoloration. Hence, it becomes crucial to consider the specific application and environment when selecting steel pipes and implementing suitable protective measures to ensure their durability and performance.
- Q:What is the maximum operating temperature for steel pipes?
- The specific grade of steel used typically determines the maximum operating temperature for steel pipes. Carbon steel pipes, for instance, can generally endure temperatures ranging from 800-1000 degrees Fahrenheit (427-538 degrees Celsius). On the other hand, stainless steel or high-temperature alloys can withstand even higher temperatures, exceeding 1200-1500 degrees Fahrenheit (649-816 degrees Celsius). To determine the precise maximum operating temperature for a particular type of steel pipe, it is crucial to refer to the manufacturer's specifications or industry standards. This is because varying grades and compositions may have distinct temperature limits.
- Q:What is the process of coating steel pipes?
- The process of coating steel pipes involves several steps. First, the pipes are cleaned and prepared to remove any dirt, grease, or rust. Then, a primer is applied to the surface of the pipes to enhance adhesion. After the primer dries, a coating material such as epoxy, polyethylene, or zinc is applied using various methods like spraying, dipping, or wrapping. This coating material not only provides protection against corrosion but also acts as a barrier against external elements. Finally, the coated pipes are cured or dried to ensure the coating adheres properly and forms a durable layer, ready for use in various industries such as oil and gas, water supply, or construction.
- Q:Can steel pipes be used for underground sewage treatment plants?
- Yes, steel pipes can be used for underground sewage treatment plants. Steel is a durable and strong material that can withstand the harsh conditions found underground, such as soil erosion and pressure. Additionally, steel pipes are resistant to corrosion, which is critical for sewage treatment plants where exposure to chemicals and wastewater is common.
- Q:What are the factors affecting the durability of steel pipes?
- The factors affecting the durability of steel pipes include corrosion, temperature, pressure, mechanical stress, and the quality of the protective coatings or linings applied to the pipes. Additionally, the composition and purity of the steel used in the pipes, as well as the design and construction of the pipeline system, can also impact its durability.
- Q:Can steel pipes be used for conveying abrasive slurries?
- Yes, steel pipes can be used for conveying abrasive slurries. Steel pipes are known for their durability and strength, making them suitable for handling abrasive materials. Additionally, their smooth interior surface reduces friction and minimizes the risk of clogs or blockages caused by the abrasive particles present in slurries.
- Q:What are the safety regulations for working with steel pipes?
- The safety regulations for working with steel pipes may vary depending on the specific circumstances and location, but some common safety measures include wearing appropriate personal protective equipment (PPE) such as gloves, safety glasses, and steel-toed boots, ensuring proper handling techniques to prevent injuries, using proper lifting equipment to prevent strain or back injuries, implementing proper ventilation and respiratory protection when working in confined or poorly ventilated spaces, and following proper procedures for welding, cutting, or bending steel pipes to minimize the risk of fire or explosions. It is essential to consult and adhere to local safety regulations and guidelines to ensure a safe working environment when dealing with steel pipes.
- Q:How are steel pipes tested for pressure and leakage?
- Steel pipes are tested for pressure and leakage through various methods including hydrostatic testing, pneumatic testing, and ultrasonic testing. Hydrostatic testing involves filling the pipe with water and applying pressure to check for any leaks or weaknesses. Pneumatic testing involves using compressed air instead of water. Ultrasonic testing uses high-frequency sound waves to detect any flaws or defects in the pipe material. These testing methods ensure that steel pipes meet the required standards for pressure and leakage resistance.
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ASTM A500/JIS/EN Rectangular hollow section
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 10 m.t.
- Supply Capability:
- 5000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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