SPIRAL STEEL PIPE 46’‘48‘‘50’‘ LARGE DIAMETER PIPE
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 5 m.t.
- Supply Capability:
- 3000 m.t./month
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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< span=""> | <0.045< span=""> | <0.030< span=""> | >195 | 315-430 | 32-33 |
Q215 | 0.09-0.15 | 0.25-0.55 | <0.05< span=""> | <0.045< span=""> | <0.030< span=""> | >215 | 335-450 | 26-31 |
Q235 | 0.12-0.20 | 0.30-0.70 | <0.045< span=""> | <0.045< span=""> | <0.030< span=""> | >235 | 375-500 | 24-26 |
Q345 | <0.20< span=""> | 1.0-1.6 | <0.040< span=""> | <0.040< span=""> | <0.55< span=""> | >345 | 470-630 | 21-22 |
- Q: How are steel pipes threaded for connection?
- Steel pipes are threaded for connection using a threading machine or a die. The pipe is clamped securely into the machine, and a rotating die is then used to cut threads into the pipe's surface. This process creates the necessary grooves and ridges that allow the pipes to be securely connected together.
- Q: How do you connect steel pipes together?
- Various industries commonly employ several methods to connect steel pipes together. One frequently utilized technique is welding, which involves the heating of the steel pipe ends and their subsequent joining using a welding rod or wire. This method results in a robust and enduring connection that can withstand high pressures and temperatures. Threading, another method, entails cutting threads into the ends of the steel pipes. These threaded ends can then be screwed together using pipe fittings such as couplings or unions. Threading is particularly advantageous for smaller diameter pipes as it allows for easy disassembly and reassembly. Flanges also serve as a means to connect steel pipes. These flat, circular discs with holes can be bolted together, providing a secure connection. Flanges are especially suitable for large diameter pipes or those that require frequent disconnection for maintenance or repairs. Pipe fittings, such as couplings, tees, elbows, or reducers, can also be employed for connecting steel pipes. These fittings, typically composed of steel or other materials, are designed for welding, threading, or utilizing other connection methods like grooving or compression. It is important to consider various factors, such as pipe size, application, required strength, and adherence to industry standards or codes, when selecting the appropriate method for joining steel pipes. Consulting with a qualified professional or referring to industry-specific guidelines is essential in making this decision.
- Q: What is the role of steel pipes in the transportation of liquefied natural gas (LNG)?
- Steel pipes play a crucial role in the transportation of liquefied natural gas (LNG) as they are used to create the necessary infrastructure for the safe and efficient transfer of LNG. These pipes are designed to withstand the extreme cold temperatures and high pressures associated with LNG, ensuring the integrity and reliability of the transportation system. They are used to construct LNG terminals, storage tanks, and pipelines, providing a secure conduit for the LNG to be transported from production sites to distribution centers or export facilities. Steel pipes are preferred due to their strength, durability, and ability to resist corrosion, making them essential for the smooth and reliable transport of LNG across long distances.
- Q: Can steel pipes be used for hydropower generation?
- Indeed, the utilization of steel pipes is possible for the generation of hydropower. Within hydropower systems, steel pipes find widespread application in various contexts like penstocks and pipelines. Penstocks, characterized by their large size, are responsible for transporting water from a reservoir to a turbine, facilitating the conversion of the water's kinetic energy into rotational energy. Consequently, these pipes necessitate robustness and longevity to endure the immense water pressure and structural weight. Furthermore, steel pipes are also employed for pipelines, facilitating the transportation of water from the turbine back to the river or reservoir. Ultimately, steel pipes are an indispensable element in the generation of hydropower, as they possess the necessary strength, durability, and resilience to withstand the challenging conditions associated with water flow.
- Q: What are steel pipes made of?
- Steel pipes are primarily made of steel, which is an alloy composed of iron and carbon.
- Q: How do steel pipes perform in earthquake-prone regions?
- Steel pipes perform well in earthquake-prone regions due to their high strength and ductility. They are capable of flexing and absorbing seismic energy, reducing the risk of catastrophic failure. Additionally, steel pipes can be designed with proper reinforcement to withstand ground movements, making them a reliable choice for infrastructure in earthquake-prone areas.
- Q: Which is cheaper, angle iron or steel pipe?
- Angle iron and steel pipe, angle iron is cheap.
- Q: Are steel pipes suitable for transporting chemicals?
- Yes, steel pipes are suitable for transporting chemicals. They are known for their durability, corrosion resistance, and high strength, which makes them ideal for carrying various chemicals safely and efficiently. Additionally, steel pipes can withstand high pressure and extreme temperatures, making them a reliable choice for transporting chemicals in industries such as oil and gas, petrochemicals, and manufacturing.
- Q: How are steel pipes protected against internal scaling?
- Steel pipes are protected against internal scaling through various methods such as chemical treatments, use of corrosion inhibitors, and regular maintenance and cleaning procedures. These measures help to prevent the formation of scale, which can reduce the pipe's efficiency and lifespan.
- Q: Can steel pipes be used for steam systems?
- Yes, steel pipes can be used for steam systems. Steel pipes are commonly used in steam systems due to their high strength, durability, and heat resistance properties. Additionally, steel pipes can withstand high pressures and temperatures, making them suitable for transporting steam safely and efficiently.
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SPIRAL STEEL PIPE 46’‘48‘‘50’‘ LARGE DIAMETER PIPE
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 5 m.t.
- Supply Capability:
- 3000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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