Gas pipeline 3pe anti-corrosion steel pipe
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 33 m.t
- Supply Capability:
- 43544 m.t/month
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Specification
9711.2 gb 9711.1 spiral steel pipe, spiral steel pipe or spiral steel pipe, material classification: 16 mn material spiral steel pipe, Q345B spiral steel pipe, L245 spiral steel pipe, L360 spiral steel pipe, X40 - X80 spiral steel pipe, main USES, sewage treatment with spiral steel pipe, water purification with spiral steel pipe, water plant with spiral steel pipe, plant chemical enterprise with spiral steel tube pole, nuclear power with the spiral steel pipe, flammable liquid with spiral steel pipe, non combustible liquid with spiral steel pipe, gb spiral steel pipe, oil, or SY/T5037 spiral steel pipe. The product is made of hot rolled steel strip, often made by spiral forming and automatic submerged arc welding
The trend of the spiral steel pipe market demand both rapid and random growth will not change fundamentally. Whether the spiral steel pipe market can maintain the rapid development of the hub depends on the change of demand. Macro economy is regulated by the policy level, which will slow down the market growth rate in the future
The main raw material is iron water plus scrap steel. The content of sulphur and phosphorus in steel is higher than that of high-quality carbon structural steel. Generally, sulphur is less than 0.050% and phosphorus is less than 0.045%. The content of other alloy elements brought into the steel by raw materials, such as chromium, nickel and copper is generally no more than 0.30%. According to the composition and performance requirements, the grades of such steel are indicated by the steel grades Q195, Q215A, B, Q235A, B, C, D, Q255A, B and Q275.
Note: "Q" is the upper capital character of the Chinese phonetic alphabet of the yield of "qu", and the subsequent number is the value of the minimum yield point (xun s) of the brand, and the subsequent symbol is divided into A, B, C and D according to the content of the steel impurity elements (sulphur and phosphorus) from high to low and accompanied by the changes of carbon and manganese elements.
In gb700-88 standard, carbon structural steel Q235 is divided into four grades of A, B, C and D according to the metallurgical quality. Each grade of steel contains 0.3 percent of Si content. The difference lies in the difference of carbon content, sulfur content and phosphorus content. The carbon content of AB grade is 0.14%~0.22% and 0.12%~0.20%, the carbon content of CD grade is 0.18% and 0.17% at the same time, the Mn content of A grade is the smallest, and the content of d-grade SP is the smallest.
- Q:How are steel pipes tested for quality?
- Steel pipes are tested for quality through various methods such as visual inspection, dimensional measurement, mechanical testing, and non-destructive testing. Visual inspection ensures that there are no surface defects or deformities on the pipes. Dimensional measurement involves checking the pipe's size, thickness, and length to meet the required specifications. Mechanical testing involves subjecting the pipes to stress, pressure, and temperature to assess their strength and durability. Non-destructive testing techniques like ultrasonic, radiographic, or magnetic particle testing are used to detect any internal flaws or defects without damaging the pipes. These comprehensive quality tests ensure that steel pipes meet the necessary standards before they are used in various applications.
- Q:Can steel pipes be used for underground sewage systems?
- Yes, steel pipes can be used for underground sewage systems. Steel pipes are known for their durability and strength, making them suitable for underground applications. However, it is essential to ensure that the steel pipes are properly coated or protected against corrosion to prevent damage from sewage and soil conditions.
- Q:Are steel pipes suitable for high-pressure applications?
- Yes, steel pipes are highly suitable for high-pressure applications. Steel is known for its strength and durability, making it an ideal material for carrying fluids or gases under high pressure. Steel pipes have the ability to withstand extreme conditions and maintain their structural integrity, making them a reliable choice for various industries such as oil and gas, chemical processing, and power generation.
- Q:What is the standard length of steel pipes?
- The standard length of steel pipes can vary depending on the application and industry, but commonly they are available in lengths of 20 feet or 6 meters.
- Q:What are the different types of steel pipe supports for high-temperature applications?
- Some different types of steel pipe supports for high-temperature applications include hangers, clamps, brackets, and anchors. These supports are designed to withstand the elevated temperatures and provide stability and proper alignment to the piping system.
- Q:How do steel pipes handle ground freezing and thawing?
- Steel pipes are highly resistant to ground freezing and thawing due to their inherent strength and durability. They are designed to withstand extreme temperature variations without significant damage or deformation. Additionally, steel pipes have low thermal conductivity, meaning they do not transfer heat as easily as other materials, allowing them to maintain their structural integrity even in freezing conditions. Thus, steel pipes are an excellent choice for underground infrastructure and can effectively handle ground freezing and thawing.
- Q:How do you transport and store steel pipes?
- Steel pipes are typically transported using trucks, railcars, or ships. They are stored in designated areas or warehouses, either vertically or horizontally depending on their size and weight. It is important to ensure proper packaging, lifting equipment, and securing methods during transport to prevent damage or accidents. Additionally, storing steel pipes in dry, well-ventilated areas away from moisture and corrosive substances helps maintain their quality and longevity.
- Q:Can steel pipes be used for hydropower systems?
- Yes, steel pipes can be used for hydropower systems. Steel pipes are commonly used in hydropower systems for various applications such as penstocks, which are used to transport water from a reservoir to a turbine. Steel pipes are preferred for their strength, durability, and ability to withstand high pressure and water flow. They are also resistant to corrosion, making them suitable for long-term use in hydropower systems. Additionally, steel pipes can be easily welded or joined, allowing for flexibility in system design and installation. Overall, steel pipes are a reliable and widely used choice for hydropower systems.
- Q:How are steel pipes used in the construction of geothermal power plants?
- Steel pipes are used in the construction of geothermal power plants for various purposes. They are primarily used to transport and circulate the geothermal fluid, which carries the heat from the underground reservoir to the surface. These pipes are typically made of high-quality steel that can withstand the high temperatures and corrosive nature of the geothermal fluid. Additionally, steel pipes are used in the construction of injection wells, where cool water or other fluids are injected back into the reservoir to maintain pressure and sustain the heat extraction process. Overall, steel pipes play a crucial role in the efficient and reliable operation of geothermal power plants.
- Q:What are the different coating materials used for steel pipes?
- Some common coating materials used for steel pipes include epoxy, polyethylene, polyurethane, and coal tar enamel. These coatings are applied to protect the steel from corrosion and provide a barrier against environmental elements.
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Gas pipeline 3pe anti-corrosion steel pipe
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 33 m.t
- Supply Capability:
- 43544 m.t/month
OKorder Service Pledge
OKorder Financial Service
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