SHS RHS CHS square hollow section rectangular hollow section circular hollow section pipe & tube
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 22 m.t.
- Supply Capability:
- 10000 m.t./month
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Specification
Standard:
GB
Technique:
Cold Rolled,Cold Drawn,ERW,Extruded,Hot Rolled
Shape:
Square,Round,Rectangular,Oval
Surface Treatment:
Galvanized,Black
Steel Grade:
Q195,Q235,Q355
Thickness:
0.15-20mm
Length:
1-12m or customized
Net Weight:
0.625-171.658kg/m
We supply ms equal & unequal angle bar, channel bar,jis channel, upn, steel i beam,h beam, ipe, ipeaa, steel sheet pile, flat bar, hollow section, tmt bar, wire rod, binding wire, wire mesh, hrc, CRC, gi coil, ppgi, roofing sheet, chequered coil & plates, medium plate, scaffolding systems, prefabricated container houses etc. Also for metal & steel processing.
If you are in the market for any steel products, please feel free to contact rcjs steel.
| Type | cold rolled pre-galvanized welded square/rectangular steel pipe/tube/hollow section prefab house steel pipe |
| Diameter | 10mm-600mm or as customized |
| Wall Thickness | 0.1mm-300mm or as required |
| Length | 2-12m or as request |
| Standard | ASTM A53, BS 1387, BS 1139, BS En10025, etc. |
| Steel Grade | Q195 = S195 / A53 Grade AQ235 = S235 / A53 Grade B / A500 Grade A / STK400 / SS400 / ST42.2Q345 = S355JR / A500 Grade B Grade C |
| Surface Treatment | Bared, Black Painted, Galvanized, Oiled or to your requirements |
| Technique | Welded |
| Package | Packed in Bundles with Two Nylon Strip. |
| Application | 1. Fluid pipe 2. Power Plant 3. Structure pipe 4. High and low-pressure Boiler tube 5. Seamless pipe /tube for petroleum cracking 6. Conduit pipe 7. Scaffolding pipe pharmaceutical andship, building etc. |
| Advantages | Competitive price, High-quality products, 24-hour after-sales service |
| Port | Tianjin |
| Currency | USD, CNY, etc. |
| Payment | T/T, L/C, D/P, etc |
- Q: What does "steel pipe SC" mean?
- SC is an ordinary welded pipe, equal to water professional DN, SC is welded steel pipe concealed, general pipe wall is relatively thick, S represents pipe material, C represents laying mode, TC stands for wire pipe concealed, pipe wall is thinner.
- Q: What are the different coatings used on steel pipes?
- There are several different coatings used on steel pipes, including but not limited to, epoxy coatings, fusion bonded epoxy (FBE) coatings, polyethylene coatings, and zinc coatings. These coatings are applied to steel pipes to protect them from corrosion, increase their lifespan, and improve their performance in various environments.
- Q: What are the different strategies for pipe laying using steel pipes?
- Various strategies exist for laying steel pipes, each tailored to specific environments and needs. Here are a few commonly used approaches: 1. Open Trench: The traditional and widely employed method involves digging a trench along the desired pipeline route. Steel pipes are then placed in the trench, aligned, and welded together. This technique allows for easy access, maintenance, and repair of the pipeline. 2. Direct Pipe: This method is utilized when the pipeline needs to pass beneath obstacles like rivers or highways. It entails drilling a borehole from one side to the other while simultaneously laying the steel pipe. The pipe is subsequently pulled through the borehole, resulting in a continuous pipeline. 3. Horizontal Directional Drilling (HDD): HDD is employed when the pipeline must be installed beneath existing infrastructure or environmentally sensitive areas. A pilot hole is drilled horizontally, and the steel pipe is then pulled through using a reaming tool. This approach minimizes surface disruption and reduces environmental impact. 4. Sliplining: This technique involves inserting a smaller diameter steel pipe into an existing larger pipe. The smaller pipe is pushed or pulled into the larger one, providing a new corrosion-resistant lining. Sliplining is commonly used for rehabilitating deteriorated or damaged pipelines. 5. Microtunneling: Similar to HDD, microtunneling employs a microtunnel boring machine (MTBM) that simultaneously excavates the soil and installs the steel pipe. This method is frequently used for precise pipe laying, particularly in urban areas with limited space. 6. Jacking: Jacking, also referred to as pipe jacking or pipe ramming, is suitable for installing steel pipes in soil conditions that are unsuitable for open trenching. Hydraulic jacks or pneumatic rams are used to push the steel pipe into the ground. Jacking is commonly employed for crossing under railways, roads, or buildings. 7. Offshore Pipeline Laying: When it comes to subsea applications, various techniques can be employed, including S-lay, J-lay, or reel-lay. These methods involve deploying the pipeline from a vessel, either vertically or at an inclined angle, and welding the steel pipes together as they are lowered to the seabed. Each strategy possesses unique advantages and considerations, depending on factors such as terrain, environmental impact, existing infrastructure, and project requirements. It is crucial to thoroughly assess these factors and select the most appropriate pipe laying strategy to ensure the safe and efficient installation of steel pipes.
- Q: What are the different coating materials used for steel pipes?
- There are several different coating materials used for steel pipes, including epoxy, polyurethane, coal tar enamel, and zinc. These coatings are applied to the steel pipes to provide protection against corrosion and to enhance their durability and lifespan.
- Q: What is the maximum allowable deflection for steel pipes?
- The maximum allowable deflection for steel pipes depends on various factors such as pipe diameter, wall thickness, material strength, and the intended application. It is typically determined by industry standards and specific engineering considerations.
- Q: Can steel pipes be used for conveying sewage and wastewater?
- Indeed, sewage and wastewater can be conveyed using steel pipes. The use of steel pipes is widespread in sewage and wastewater systems owing to their robustness and resilience. They possess corrosion resistance and can endure immense pressure and flow rates. Moreover, steel pipes have the capability to manage the rigorous chemicals and pollutants found in sewage and wastewater without impairing or compromising the fluid quality. Nonetheless, it is crucial to guarantee proper coating or lining of the steel pipes to avert any potential problems concerning corrosion or contamination. Regular maintenance and inspections are equally important to detect and rectify any potential concerns that may arise within the system.
- Q: Can steel pipes be bent?
- Yes, steel pipes can be bent using specialized tools and techniques such as pipe bending machines or hydraulic benders.
- Q: How are steel pipes used in plumbing systems?
- Steel pipes are commonly used in plumbing systems due to their durability and strength. They are typically used for water supply lines, sewage lines, and gas lines. Steel pipes are resistant to corrosion, making them a reliable choice for long-term use. They are often used in high-pressure systems and are known for their ability to withstand extreme temperatures. Additionally, steel pipes are easily accessible and cost-effective, making them a popular choice in plumbing installations.
- Q: Can steel pipes be used for underground power transmission?
- Yes, steel pipes can be used for underground power transmission. Steel pipes are commonly used in underground power transmission systems due to their durability, strength, and resistance to corrosion. They provide a protective casing for the power cables, ensuring their safety and preventing damage from external factors such as moisture, soil movements, and potential impacts. Steel pipes also allow for easy installation, maintenance, and repair of the power transmission system. Additionally, their ability to withstand high pressure and temperature makes them suitable for carrying the high voltage electricity required for power transmission. Overall, steel pipes are a reliable and efficient choice for underground power transmission.
- Q: What is the difference between steel pipes and ductile iron pipes?
- Steel pipes and ductile iron pipes are both commonly used for various applications in the construction industry, but they differ in their composition and properties. Steel pipes are primarily made from an alloy of iron and carbon, with small amounts of other elements. They are known for their high tensile strength and durability, making them suitable for transporting fluids and gases under high pressure. Steel pipes are more resistant to corrosion than ductile iron pipes, and they can withstand extreme temperatures and environmental conditions. On the other hand, ductile iron pipes are made from an alloy of iron, carbon, and small amounts of other elements like silicon and magnesium. These pipes are characterized by their high strength, impact resistance, and flexibility. Ductile iron pipes are often used for water and sewage transportation due to their corrosion resistance and ability to withstand ground movement and heavy loads. In summary, steel pipes are known for their strength, durability, and corrosion resistance, while ductile iron pipes offer greater flexibility and impact resistance. The choice between the two depends on the specific application requirements and environmental conditions.
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SHS RHS CHS square hollow section rectangular hollow section circular hollow section pipe & tube
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 22 m.t.
- Supply Capability:
- 10000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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