SSAW STEEL PIPE 219-3920MM API/ISO/ASTM/JIS
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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.:219-3920mm
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: φ219mm-3920mm
5,Length: 5m-12m or as customer 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:What are the common standards for steel pipe manufacturing?
- Steel pipe manufacturing is regulated by various common standards that guarantee the excellence and uniformity of the products. One of the most renowned standards is the American Society for Testing and Materials (ASTM) standard, which encompasses diverse specifications for different kinds of steel pipes. These specifications encompass dimensions, mechanical properties, and testing prerequisites. Another widespread standard is the American National Standards Institute (ANSI) standard, which establishes directives for the manufacturing procedure, material requirements, and performance attributes of steel pipes. ANSI standards are commonly employed in industrial applications and construction undertakings. Furthermore, international standards such as the International Organization for Standardization (ISO) standard exist, providing guidelines for the design, production, and testing of steel pipes. The ISO standard ensures that steel pipes align with global quality and safety standards. Moreover, specific industries may have their own standards for steel pipe manufacturing. For instance, the American Petroleum Institute (API) has devised standards exclusively for oil and gas industry applications. These standards, like API 5L, outline requirements for the manufacturing, testing, and inspection of steel pipes employed in the transportation of oil and gas. Ultimately, these common standards for steel pipe manufacturing play a vital role in guaranteeing the quality, dependability, and safety of the products. They establish a standardized framework that manufacturers can adhere to, enabling customers to have confidence in the performance and durability of the steel pipes they acquire.
- Q:Are steel pipes fire-resistant?
- Yes, steel pipes are fire-resistant. Steel is a non-combustible material, which means it does not burn or contribute to the spread of fire. Steel pipes have high melting points and can withstand extreme temperatures, making them highly resistant to fire. They are commonly used in various applications where fire protection is crucial, such as fire sprinkler systems, fire hydrant systems, and fire-resistant building structures. Additionally, steel pipes are also known for their durability and strength, which further enhances their fire resistance capabilities.
- Q:What are the common problems or issues faced with steel pipes?
- Common problems or issues faced with steel pipes include corrosion, rusting, leaks, cracks, and blockages. Corrosion can occur due to exposure to moisture or chemicals, leading to a decrease in pipe integrity and potential leaks. Rusting is another common problem, especially in outdoor or wet environments, which can weaken the pipe and cause structural issues. Leaks can result from pipe corrosion or cracks, leading to water damage and potential pipe failure. Blockages can occur due to debris, scale buildup, or pipe collapse, restricting the flow of fluid or causing complete pipe blockage. Regular maintenance and inspections are necessary to identify and address these issues promptly.
- Q:How does galvanization protect steel pipes from corrosion?
- Galvanization protects steel pipes from corrosion by forming a protective zinc coating on the surface of the pipes. This zinc coating acts as a barrier between the steel and the surrounding environment, preventing moisture and corrosive elements from reaching the steel. Additionally, if the zinc coating is damaged, it sacrificially corrodes before the steel, further protecting the pipes from rust and corrosion.
- Q:How are steel pipes used in the manufacturing of sewage treatment plants?
- Steel pipes are commonly used in the manufacturing of sewage treatment plants primarily for their durability, strength, and resistance to corrosion. These pipes are utilized for various purposes within the treatment process, including transporting sewage and wastewater between different treatment units, carrying chemicals for disinfection or neutralization, and providing structural support for the plant's infrastructure.
- Q:Are steel pipes suitable for underground sewage lines?
- Yes, steel pipes are suitable for underground sewage lines. They are strong, durable, and resistant to corrosion, making them an excellent choice for sewage systems.
- Q:What are the common methods for inspecting the integrity of steel pipes?
- To inspect the integrity of steel pipes, various methods are employed. These methods play a vital role in identifying any faults or weaknesses in the pipes that could jeopardize their structural soundness and potentially result in failures or leaks. 1. Visual Inspection: This method involves a visual examination of the external surface of the steel pipe by an inspector. The purpose is to spot any signs of damage, such as corrosion, cracks, or deformities. Although it is a quick and cost-effective approach, it may not be sufficient to detect internal defects. 2. Ultrasonic Testing (UT): UT is a non-destructive testing method that utilizes high-frequency sound waves to identify flaws in steel pipes. A transducer emits ultrasonic waves into the pipe, and any waves that bounce back are analyzed to detect defects like cracks or voids. UT is effective for inspecting both the internal and external aspects of the pipe and can provide precise measurements of defect size and location. 3. Magnetic Particle Inspection (MPI): MPI is primarily employed to detect surface or nearby surface defects in ferromagnetic materials like steel. Magnetic particles are applied to the pipe's surface, and if there is a defect, these particles will gather around it, creating a visible indication. MPI is particularly useful in identifying cracks and other discontinuities that may not be easily visible to the naked eye. 4. Radiographic Testing (RT): RT involves the use of X-rays or gamma rays to examine the internal structure of steel pipes. These rays pass through the material, and an image is recorded on a radiographic film or a digital detector. This method is effective in detecting internal defects such as cracks, voids, or inclusions. However, it necessitates proper safety measures due to the use of radiation. 5. Eddy Current Testing (ECT): ECT is a non-destructive testing method that relies on electromagnetic induction to assess the integrity of steel pipes. An alternating current is passed through a probe, generating an electromagnetic field. Any alterations in the material's electrical conductivity or magnetic permeability caused by defects are detected by the probe, providing information about the pipe's condition. These represent some of the commonly used techniques for inspecting the integrity of steel pipes. Each method possesses its own advantages and limitations, and the choice of inspection method depends on factors such as the type of defect to be identified, access to the pipe, and budgetary considerations. Regular inspection and maintenance using these methods are crucial to ensure the secure and dependable operation of steel pipe systems.
- Q:Can steel pipes be used for conveying compressed air?
- Indeed, compressed air can indeed be conveyed through steel pipes. In industrial settings, steel pipes find frequent use due to their ability to withstand high pressure and maintain durability. With their remarkable tensile strength, steel pipes prove capable of handling the immense pressures generated by compressed air systems. Furthermore, the resistance of steel pipes to corrosion becomes crucial when confronted with moisture within compressed air. Nevertheless, it remains vital to guarantee that the steel pipes are adequately sized and rated to meet the precise pressure and flow prerequisites of the compressed air system. Moreover, adhering to proper installation and maintenance practices becomes imperative to avert any potential leaks or failures.
- Q:Can steel pipes be coated for aesthetic purposes?
- Indeed, steel pipes have the potential to be coated solely for aesthetic reasons. By applying coatings to steel pipes, not only can one achieve an attractive appearance, but also safeguard them against corrosion and other environmental influences. Numerous coating choices are at one's disposal when it comes to steel pipes, including powder coating, epoxy coating, and vinyl coating, among others. These coatings can be employed in various colors and textures to enrich the pipes' visual appeal and harmonize with their surroundings. Whether utilized in industrial settings, architectural endeavors, or for decorative purposes, the act of coating steel pipes has the power to metamorphose them into visually captivating components, all while preserving their structural integrity.
- Q:How are steel pipes used in the construction of highways?
- Steel pipes are commonly used in the construction of highways for various purposes, such as drainage systems, culverts, and sign supports. They provide a durable and efficient solution for transporting stormwater and preventing damage to the road surface. Additionally, steel pipes are utilized to support highway signs and traffic signals, ensuring their stability and longevity.
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SSAW STEEL PIPE 219-3920MM API/ISO/ASTM/JIS
- 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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