SPIRAL STEEL PIPE
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Packaging & Delivery
Packaging Detail: | standard export packing or as customer's requirement |
Delivery Detail: | within 10 - 30 days |
Specifications
Spiral Welded Steel Pipes and Tubes
1.Material:Q195-Q235
2.Length:1-12m
3.WT:1.0-14mm
4.O.D.:20-273mm
Spiral Welded Steel Pipes and Tubes
Product Description:
1.Material : Q235,Q345,L245,L290,L360,L415,L450,L485,GrB,X42,46,X52,X56,X60,X65,X70,X80,X100
2,Standard: SY/T5037-2000,GB/T9711-2011,API Spec 5L PSL1/PSL2,ASTM A252\A53,ISO3183,DIN17172,EN10217,JIS G3457,AWWA C200,ASTM A139,ASTM A671,ASTM A672
3.Wall thickness: 3.0mm-30mm
4.Outer diameter: φ168mm-3020mm
5,Length: 5m-12m or as your requirement
6,Corrosion protection standard: DIN30670,DIN30671, AWWAC210, AWWA C203, SY/T0413-2002,SY/T0414-2002
7,Application: Oil, gas, natural gas, water pipe, thermal electricity pipe, steel structure engineering, etc
Q195-q345 Material Steel Pipe's Materials
Elements | Chemical Compsition% | Mechanical Property | ||||||
| C% | Mn% | S% | P% | Si% | Yield Point (Mpa) | Tensile Strength(Mpa) | Elongation |
Q195 | 0.06-0.12 | 0.25-0.50 | <0.050 | <0.045 | <0.030 | >195 | 315-430 | 32-33 |
Q215 | 0.09-0.15 | 0.25-0.55 | <0.05 | <0.045 | <0.030 | >215 | 335-450 | 26-31 |
Q235 | 0.12-0.20 | 0.30-0.70 | <0.045 | <0.045 | <0.030 | >235 | 375-500 | 24-26 |
Q345 | <0.20 | 1.0-1.6 | <0.040 | <0.040 | <0.55 | >345 | 470-630 | 21-22 |
- Q: Can steel pipes be recycled?
- Yes, steel pipes can be recycled. Steel is one of the most commonly recycled materials in the world, and steel pipes can be melted down and reused to make new steel products. Recycling steel pipes helps conserve natural resources and reduces the environmental impact of manufacturing new steel.
- Q: Can steel pipes be used for telecommunications cables?
- No, steel pipes cannot be used for telecommunications cables. Telecommunications cables are typically made of fiber optic or copper materials. Steel pipes are used for various applications in construction and plumbing, but they are not suitable for transmitting data or electrical signals. Fiber optic cables are designed to carry high-speed data over long distances, while copper cables are used for transmitting both data and electrical signals. These cables have specific insulation and shielding properties that steel pipes do not possess, making them unsuitable for telecommunications purposes.
- Q: Can steel pipes be used for cooling systems?
- Yes, steel pipes can be used for cooling systems. Steel pipes are commonly used in various applications, including cooling systems, due to their durability, strength, and resistance to high temperatures and pressure. They are particularly suitable for industrial cooling systems where there may be harsh environmental conditions or corrosive fluids. Steel pipes have excellent heat conductivity, which enables efficient heat transfer, making them a reliable choice for cooling applications. Additionally, steel pipes can be easily fabricated, welded, and customized to meet specific cooling system requirements. However, it is important to ensure that the steel pipes used are properly coated or insulated to prevent corrosion and minimize heat loss.
- Q: What are the different methods of pressure testing steel pipes?
- There are several different methods of pressure testing steel pipes, including hydrostatic testing, pneumatic testing, and ultrasonic testing. Hydrostatic testing involves filling the pipe with water and pressurizing it to a specified level to check for leaks or weaknesses. Pneumatic testing is similar but uses compressed air or gas instead of water. Ultrasonic testing involves using high-frequency sound waves to detect any defects or flaws in the pipe. Each method has its own advantages and is chosen based on the specific requirements and industry standards.
- Q: How are steel pipes protected against underground corrosion?
- Steel pipes are protected against underground corrosion through various methods such as cathodic protection, coatings, and corrosion inhibitors. Cathodic protection involves the use of sacrificial anodes or impressed current systems that direct corrosion away from the steel pipes. Coatings like epoxy or polyethylene are applied to the pipes to create a physical barrier against moisture and corrosive elements in the soil. Additionally, corrosion inhibitors can be added to the fluid inside the pipes to prevent corrosion from occurring.
- Q: What is the compressive strength of steel pipes?
- The compressive strength of steel pipes can vary depending on various factors such as the grade of steel, the manufacturing process, and the dimensions of the pipes. However, on average, steel pipes have a compressive strength ranging from 250 MPa (megapascals) to 650 MPa. The higher the grade of steel used in the pipe, the higher its compressive strength tends to be. Additionally, larger diameter pipes usually have a higher compressive strength compared to smaller diameter pipes. It is important to note that the compressive strength of steel pipes can also be influenced by factors such as temperature, corrosion, and external loads. Therefore, it is crucial to consult the specific standards, specifications, or manufacturer's data for accurate and detailed information on the compressive strength of a particular steel pipe.
- Q: Can steel pipes be used for transporting slurry?
- Yes, steel pipes can be used for transporting slurry. Steel pipes are commonly used in various industries, including mining, construction, and oil and gas, for transporting different types of fluids, including slurry. Slurry is a mixture of solid particles suspended in a liquid, usually water, and steel pipes have the required strength and durability to handle the abrasive nature of slurry. Additionally, steel pipes have excellent resistance to corrosion, which is crucial when dealing with slurry that may contain corrosive elements. The smooth inner surface of steel pipes also helps to minimize friction and ensure efficient flow of the slurry. Overall, steel pipes are a reliable and commonly used choice for transporting slurry due to their strength, durability, corrosion resistance, and smooth inner surface.
- Q: How are steel pipes protected against internal corrosion?
- Steel pipes are protected against internal corrosion primarily through the use of protective coatings such as epoxy or polyethylene. These coatings act as a barrier, preventing contact between the steel surface and corrosive substances present in the transported fluids. Additionally, corrosion inhibitors are often added to the transported fluids to further reduce the likelihood of internal corrosion. Regular inspections and maintenance are also carried out to identify any potential corrosion issues and address them promptly.
- Q: How are steel pipes used in the construction of tunnels?
- Steel pipes are used in the construction of tunnels for various purposes such as drainage, ventilation, and transportation of utilities. They provide structural support, ensuring stability and strength, while also allowing for the efficient flow of water, air, and other essential resources within the tunnel.
- Q: What are the different types of steel pipe unions?
- There are several different types of steel pipe unions, including threaded unions, socket weld unions, and butt weld unions.
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SPIRAL STEEL PIPE
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- -
- Supply Capability:
- -
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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