SPIRAL STEEL PIPE 58‘‘ ASTM API 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 insulated for thermal efficiency?
- Steel pipes are insulated for thermal efficiency using various methods such as applying insulation materials like fiberglass, mineral wool, or foam to the surface of the pipes. This insulation helps to prevent heat loss or gain, thereby improving the energy efficiency of the pipes. Additionally, protective outer layers such as aluminum or PVC jackets are often added for extra insulation and to provide resistance against moisture and external elements.
- Q:What is the lifespan of galvanized steel pipes?
- The lifespan of galvanized steel pipes can vary depending on various factors such as the environment, usage, and maintenance. However, on average, galvanized steel pipes can last between 40 to 70 years.
- Q:Are steel pipes environmentally friendly?
- Steel pipes can be considered environmentally friendly for several reasons. Firstly, steel is a highly durable and long-lasting material, which means that steel pipes have a longer lifespan compared to other materials like plastic pipes. This reduces the need for frequent replacements and repairs, reducing waste and conserving resources. Secondly, steel is a highly recyclable material. At the end of their lifespan, steel pipes can be easily and efficiently recycled, without losing their properties or quality. This reduces the demand for new steel production, which often requires significant amounts of energy and resources. Furthermore, steel pipes have a high resistance to corrosion, which means that they require fewer chemical treatments to prevent rusting and maintain their structural integrity. This reduces the release of harmful chemicals into the environment and minimizes the impact on ecosystems and human health. It is also worth mentioning that steel pipes are used in various industries, including water supply and wastewater management. Steel pipes are known for their excellent strength and reliability, ensuring the safe and efficient transportation of fluids. This reduces the risk of leaks and spills, preventing contamination of water sources and protecting the environment. However, it is important to note that the production of steel pipes does have some environmental impact. The extraction of raw materials, such as iron ore and coal, requires energy and can contribute to deforestation, habitat destruction, and greenhouse gas emissions. Additionally, the manufacturing process itself generates emissions and waste. Overall, while steel pipes may not be completely free from environmental impact, their durability, recyclability, and resistance to corrosion make them a relatively environmentally friendly choice compared to other materials.
- Q:What are the different types of joints used with steel pipes?
- There are several types of joints used with steel pipes, including threaded joints, welded joints, flanged joints, and grooved joints.
- Q:What are the environmental impacts of steel pipe manufacturing?
- The environmental impacts of steel pipe manufacturing include the extraction and mining of raw materials, such as iron ore and coal, which can lead to habitat destruction and pollution. The steel production process consumes significant amounts of energy and releases greenhouse gases, contributing to climate change. Additionally, the production of steel pipes involves the use of chemicals and toxic substances, which can contaminate water sources and harm ecosystems. Proper waste management and the adoption of sustainable practices can help mitigate these impacts.
- Q:Can steel pipes be used for underground cooling systems?
- Yes, steel pipes can be used for underground cooling systems. Steel pipes are commonly used in various applications, including underground cooling systems, due to their durability, strength, and resistance to corrosion. They can effectively handle the high pressure and temperature demands of cooling systems. Additionally, steel pipes can be welded or threaded together, allowing for easy installation and maintenance. However, it is important to ensure that the steel pipes are properly coated or insulated to prevent corrosion and maintain efficiency in heat transfer.
- Q:How long do steel pipes typically last?
- Steel pipes typically have a lifespan of 50 to 100 years, depending on various factors such as the quality of the steel, installation conditions, maintenance, and exposure to corrosive elements.
- Q:How are steel pipes inspected for compliance with industry standards?
- Steel pipes are inspected for compliance with industry standards through various methods such as visual inspection, dimensional checks, non-destructive testing, and mechanical testing. Visual inspection involves examining the pipes for any visible defects or imperfections. Dimensional checks ensure that the pipes meet the required measurements and tolerances. Non-destructive testing techniques like ultrasonic testing, magnetic particle inspection, or radiography are used to detect any internal or surface defects. Mechanical testing involves conducting tests to verify the mechanical properties such as tensile strength, yield strength, and hardness of the pipes. These inspections ensure that the steel pipes meet the required industry standards and are safe for use.
- Q:How can two smooth steel pipes be joined? The size of the two pipe is different (except for welding)
- Fastener type steel pipe scaffold, fastener is the connection between steel pipe and steel pipe, and its form has three kinds, namely right angle fastener, rotating fastener, butt fastener
- Q:What are the factors that affect the price of steel pipes?
- Some factors that can affect the price of steel pipes include the cost of raw materials, such as iron ore and other metals used in the production of steel, fluctuations in global steel demand and supply, transportation costs, market competition, and government regulations and tariffs. Other factors can include energy costs, labor costs, and the overall economic conditions of the countries involved in the steel industry.
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SPIRAL STEEL PIPE 58‘‘ ASTM API 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
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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