SPIRAL STEEL PIPE 24’‘ 26’‘ 28’‘ 32’‘ 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: 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: What does "1.5" steel tube mean?
- 1.5 inch [1 1/2 steel pipe, outer diameter 48.3mm, 1.5 inches, refers to the pipe bore is approximately the inner diameter (25.4x1.5 = 38.1mm). [DN40] the specific parameters of the steel pipe are as follows;The average wall thickness is: 3.5mm;The minimum wall thickness is 3.06mm,Nominal diameter is 40mm,External Jing is 48.3mm,
- Q: How can galvanized steel tubes be painted on the surface?
- Suitable for galvanized base material (antirust primer), epoxy zinc yellow primer (double component), epoxy ester zinc yellow primer.Pretreatment of galvanized sheet when brushing:1, conditional, you can zinc plating phosphating treatment, or first spray a layer of phosphating primer.2, or smooth zinc plating surface sweeping treatment.3, the galvanized workpiece, galvanized pipe surface with solvent (that is, epoxy zinc yellow primer, thinner) wipe, in order to remove the workpiece crude oil protective layer, and increase cleanliness.4, two-component epoxy zinc yellow primer: in strict accordance with the proportion of paint and curing agent paint, and aging 30 minutes later, modulation suitable construction viscosity, you can spray.One component epoxy ester primer: zinc yellow construction viscosity suitable to construction of modulation, the correct construction method.
- Q: What are the different types of pipe connections used with steel pipes?
- There are several types of pipe connections commonly used with steel pipes. Some of the most common types include: 1. Threaded connections: These connections involve threading the ends of the pipe and using threaded fittings to connect them. This type of connection is typically used for smaller diameter pipes and is easy to install and dismantle. 2. Welded connections: Welding is a common method used to connect steel pipes. It involves joining the ends of the pipes together by melting the metal and fusing them together. Welded connections are durable and strong, making them suitable for high-pressure applications. 3. Flanged connections: Flanges are used to connect pipes by bolting them together. Flanged connections are commonly used in industrial applications and are often used for larger diameter pipes or when the pipe needs to be easily disassembled for maintenance purposes. 4. Grooved connections: Grooved connections involve using grooved fittings that have grooves on the inside to connect the pipes. These connections are often used in fire protection systems and are quick and easy to install. 5. Compression connections: Compression fittings are used to connect steel pipes by compressing a ferrule onto the pipe. This type of connection is commonly used in plumbing applications and provides a tight and secure seal. 6. Mechanical connections: Mechanical connections, such as couplings or clamps, are used to connect steel pipes without the need for welding or threading. These connections are often used for temporary or emergency repairs. Each type of pipe connection has its advantages and disadvantages, and the choice of connection method will depend on factors such as the application, pipe size, and installation requirements. It is important to carefully consider these factors to ensure a secure and reliable connection for steel pipes.
- Q: Can steel pipes be used for hydraulic systems?
- Yes, steel pipes can be used for hydraulic systems. Steel pipes are commonly used in hydraulic systems due to their high strength, durability, and ability to handle high pressure. They provide excellent resistance to corrosion and can effectively transport hydraulic fluids, making them a suitable choice for various hydraulic applications.
- Q: How are steel pipes protected against mechanical damage?
- Steel pipes are protected against mechanical damage through various methods such as applying coatings, using protective sleeves or wraps, implementing proper handling techniques, and employing impact-resistant materials in high-risk areas.
- Q: What is the bending strength of steel pipes?
- Steel pipes have the ability to withstand bending forces without breaking or permanently deforming, which is known as their bending strength. This strength can vary depending on factors like the type of steel, the grade of steel, the diameter and thickness of the pipe, and the manufacturing process. Steel pipes are highly durable and strong, making them suitable for many different uses. The bending strength of steel pipes is typically measured by the maximum bending moment or stress that the pipe can handle without failing. Engineers and manufacturers determine the bending strength of steel pipes using various testing methods, such as three-point or four-point bending tests. These tests involve applying a known force or moment to the pipe and measuring its deflection or stress response. The bending strength of steel pipes can also be affected by mechanical properties like yield strength, tensile strength, and elongation. These properties determine the overall strength and ductility of the steel, which are crucial for its bending strength. It's important to note that the bending strength can vary depending on the specific application and the load conditions. For instance, pipes used in structural or load-bearing applications may require higher bending strength than pipes used for plumbing or conveyance purposes. In conclusion, the bending strength of steel pipes is determined by factors such as the type of steel, the grade of steel, the diameter and thickness of the pipe, and the manufacturing process. Testing methods and mechanical properties are used to assess the bending strength of steel pipes, ensuring they are suitable for different uses and load conditions.
- Q: Can steel pipes be used for conveying hazardous materials?
- Yes, steel pipes can be used for conveying hazardous materials. Steel pipes are known for their durability, strength, and resistance to corrosion, making them suitable for transporting various hazardous substances such as chemicals, gases, and liquids. Additionally, steel pipes can withstand high pressures and temperatures, ensuring the safe and efficient transportation of hazardous materials. However, it is important to ensure proper handling, maintenance, and adherence to safety regulations when using steel pipes for conveying hazardous materials.
- Q: What are the common applications of steel pipes?
- Steel pipes are commonly used in various applications such as water distribution systems, oil and gas pipelines, structural support in buildings and bridges, sewage systems, heating and cooling systems, and industrial processes.
- Q: Where is a steel pipe casing usually used?
- Classification of casing: rigid casing, flexible waterproof sleeve, steel pipe sleeve and iron sheet bushing, etc..
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SPIRAL STEEL PIPE 24’‘ 26’‘ 28’‘ 32’‘ 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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