SPIRAL STEEL PIPE 34’‘ 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: Can steel pipes be used for marine applications?
- Yes, steel pipes can be used for marine applications. Steel pipes have high strength and durability, making them suitable for various marine environments and applications such as offshore drilling, shipbuilding, and underwater pipelines. The corrosion-resistant properties of steel pipes can be further enhanced by applying protective coatings or using corrosion-resistant alloys, ensuring their long-term performance in marine conditions.
- Q: What are the different types of steel pipe bends for pipeline routing?
- There are several types of steel pipe bends commonly used for pipeline routing, including the 90-degree bend, 45-degree bend, and the 180-degree bend. Additionally, there are also custom bends available, such as S-bends, U-bends, and offset bends, which are used in specific situations to accommodate unique pipeline routing requirements.
- Q: How are steel pipes used in petrochemical plants?
- Steel pipes are extensively used in petrochemical plants for various applications such as transporting fluids, gases, and chemicals. These pipes are commonly used for the transfer of raw materials, intermediates, and finished products within the plant. They are also utilized for process lines, cooling systems, and as structural components in petrochemical plants. The durable and corrosion-resistant nature of steel makes it an ideal choice for withstanding the harsh conditions and high-pressure environments typically found in these facilities.
- Q: How are steel pipes used in the construction of buildings?
- Steel pipes are commonly used in the construction of buildings for various purposes. They are primarily used for structural support, providing stability and strength to the overall framework. Steel pipes are also used for plumbing systems, carrying water and other fluids throughout the building. Additionally, they are used for HVAC (heating, ventilation, and air conditioning) systems, allowing for efficient distribution of air. Overall, steel pipes play a crucial role in ensuring the durability, functionality, and safety of buildings.
- Q: What are the different methods of non-destructive testing for steel pipes?
- Some of the different methods of non-destructive testing for steel pipes include ultrasonic testing, magnetic particle testing, eddy current testing, radiographic testing, and visual inspection. These methods are used to detect surface and subsurface defects, such as cracks, corrosion, and discontinuities, without causing any damage to the pipes.
- Q: Can steel pipes be used in extreme weather conditions?
- Yes, steel pipes can be used in extreme weather conditions. Steel is known for its high strength and durability, making it suitable for a wide range of applications including construction, infrastructure, and transportation. Steel pipes are commonly used to transport fluids and gases in various industries, and they are designed to withstand harsh environmental conditions, including extreme temperatures, high pressures, and corrosive environments. In extreme weather conditions such as extreme heat, cold, or heavy rain, steel pipes can maintain their structural integrity and functionality. Additionally, steel pipes can be coated or insulated to provide additional protection against corrosion and to maintain desired temperatures. Overall, steel pipes are a reliable choice for use in extreme weather conditions due to their strength, durability, and resistance to various environmental factors.
- Q: How are steel pipes tested for quality assurance?
- Steel pipes are tested for quality assurance through various methods including visual inspection, non-destructive testing (such as ultrasonic testing and magnetic particle inspection), mechanical testing (such as tensile strength and hardness testing), and dimensional checks. These tests help ensure that the pipes meet the required specifications, standards, and safety regulations, ensuring their durability, reliability, and performance in various applications.
- Q: How are steel pipes used in the construction of railways and transportation systems?
- Various purposes necessitate the common use of steel pipes in the construction of railways and transportation systems. Bridges and tunnels, in particular, heavily rely on steel pipes. In bridge construction, steel pipes act as structural components, providing overall support and stability. As for tunnels, steel pipes serve as ventilation shafts, promoting air circulation and the removal of fumes, thus ensuring the safety of passengers and workers. Furthermore, steel pipes find utility in the construction of railway tracks. They are utilized as supports, offering a stable foundation for train travel. In this context, steel pipes are typically coated or galvanized to prevent corrosion and guarantee their longevity. Additionally, steel pipes are employed in drainage systems within railway stations and transport hubs, playing a crucial role in proper water management and the prevention of flooding. Another significant application of steel pipes in transportation systems lies in the construction of signposts and streetlights. In these structures, steel pipes often serve as the primary structural element, providing strength and durability. Their malleability and ease of fabrication make them a sought-after choice, as they can be shaped to meet specific design requirements. In summary, steel pipes assume a vital role in the construction of railways and transportation systems, offering structural support, ensuring adequate ventilation, facilitating drainage, and serving as key components in various structures. Their strength, durability, and versatility render them an ideal choice for these applications, contributing to the safe and efficient operation of transportation networks.
- Q: Can steel pipes withstand high temperatures?
- Yes, steel pipes can withstand high temperatures. Steel is a strong and durable material that has high heat resistance. It can retain its strength and structural integrity even when exposed to extreme heat, making it suitable for various high-temperature applications such as industrial furnaces, power plants, and steam pipelines.
- Q: The plastic pipe and steel pipe difference
- The steel plastic pipe is a general term, which includes plastic pipe, plastic lined pipe. Plastic pipe external coating, zinc coated and so on in Shanghai, Fujian, Portland, professional in this area
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SPIRAL STEEL PIPE 34’‘ 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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