SPIRAL CARBON STEEL PIPE 48''

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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 Material	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: How are steel pipes used in tunnel construction?: Steel pipes are commonly used in tunnel construction for various purposes. They are used to provide structural support by acting as reinforcements or casings for the tunnel walls. Steel pipes also serve as conduits for utilities such as water, gas, and electricity within the tunnel. Additionally, they can be used for ventilation and drainage systems, ensuring a safe and functional environment inside the tunnel. Overall, steel pipes play a crucial role in the construction and functionality of tunnels.

Q: What are the factors that affect the pressure rating of steel pipes?: There are several factors that can affect the pressure rating of steel pipes. These include the material and grade of the steel used, the wall thickness of the pipe, the diameter of the pipe, the temperature at which the pipe will be operating, and the type of fluid or gas being transported through the pipe. Additionally, factors such as corrosion, external loads, and installation methods can also impact the pressure rating of steel pipes.

Q: Are steel pipes resistant to electromagnetic interference?: Yes, steel pipes are generally resistant to electromagnetic interference due to their conductive properties. The metallic nature of steel helps to create a shielding effect, preventing the penetration of electromagnetic waves and reducing interference.

Q: Is there any difference between thermal expansion seamless steel pipe and seamless steel pipe?: One is thermal expansion on a bar, that is, piercing between the bars and expanding the tube with a little bit of mandrel. The other is to expand the formed tube before it is heated so that the defects in the pipe will be enlarged. Comparatively speaking, the quality of the first kind is better than the second, and you should belong to the second kind. Compared with the original seamless seamless tube, the quality and chemical properties are certainly different. The price will be cheaper, too.

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 environmental impacts of using steel pipes?: The environmental impacts of using steel pipes include the extraction and processing of raw materials, such as iron ore and coal, which contribute to deforestation, habitat destruction, and greenhouse gas emissions. The manufacturing process also generates significant amounts of waste, including slag and emissions from steel production. The transportation and installation of steel pipes contribute to carbon emissions, while their corrosion and maintenance may result in the release of toxic substances into the environment. Proper waste management and implementing sustainable practices can help mitigate some of these impacts.

Q: What is the difference between steel pipes and fiberglass pipes?: Steel pipes are made from a durable alloy of iron and carbon, while fiberglass pipes are composed of a reinforced plastic material. The main difference is that steel pipes are stronger and more resistant to high temperatures and pressure, making them suitable for heavy-duty applications such as oil and gas pipelines. On the other hand, fiberglass pipes are lighter, corrosion-resistant, and have better thermal insulation properties, making them ideal for industries like chemical processing and wastewater treatment.

Q: Are steel pipes suitable for underground mining applications?: Yes, steel pipes are suitable for underground mining applications. Steel pipes have been widely used in the mining industry for various purposes such as water supply, ventilation, and conveyance of materials. The strength and durability of steel pipes make them suitable for the harsh and demanding conditions of underground mining. Steel pipes are known for their high tensile strength, which allows them to withstand the pressure and stress exerted by the surrounding rock and earth in underground mining operations. They can handle heavy loads, making them suitable for transporting materials and supporting structures in mining tunnels. Additionally, steel pipes are resistant to corrosion, which is crucial in underground mining where moisture and various chemicals are present. Their corrosion resistance ensures the longevity and reliability of the pipes, reducing the need for frequent replacements and maintenance. Furthermore, steel pipes can be easily welded and joined, allowing for customization and flexibility in designing underground mining systems. They can be adapted to various shapes and sizes to meet specific mining requirements. In conclusion, steel pipes are highly suitable for underground mining applications due to their strength, durability, corrosion resistance, and versatility. They have been proven to be effective in supporting mining operations and ensuring the safety and efficiency of underground mining processes.

Q: How are steel pipes used in the construction of biomass power plants?: Steel pipes are used in biomass power plants for various applications such as transporting biomass fuel, carrying water for steam generation, and distributing hot water or steam throughout the plant. They provide a sturdy and reliable infrastructure for the efficient functioning of the plant, ensuring the safe and effective operation of the biomass power generation process.

Q: Are steel pipes suitable for underground nuclear waste storage?: Steel pipes are not suitable for underground nuclear waste storage. While steel is a strong and durable material, it is not resistant to corrosion when exposed to certain types of nuclear waste. Over time, the radioactive materials can corrode the steel pipes, leading to potential leaks and contaminating the surrounding environment. Additionally, steel pipes are not designed to withstand the extreme temperatures and pressures that can occur in nuclear waste storage facilities. Therefore, alternative materials such as corrosion-resistant alloys or concrete are typically used for underground nuclear waste storage to ensure the containment and isolation of the hazardous materials.

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