SPIRAL STEEL PIPE CARBON ASTM/ API/JIS/ DIN
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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 | <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 is the difference between steel pipes and copper-nickel pipes?
- Steel pipes and copper-nickel pipes differ in terms of their composition and properties. While steel pipes are primarily made of steel, copper-nickel pipes are composed of a mixture of copper and nickel. This difference in composition leads to variations in their strength, corrosion resistance, and thermal conductivity. Steel pipes are generally stronger and more durable, making them suitable for high-pressure and heavy-duty applications. On the other hand, copper-nickel pipes have excellent corrosion resistance, particularly in marine environments, and exhibit good thermal conductivity, making them ideal for heat transfer applications. Ultimately, the choice between steel pipes and copper-nickel pipes depends on the specific requirements and conditions of the intended use.
- Q: Can steel pipes be used in the oil and gas industry?
- Yes, steel pipes are commonly used in the oil and gas industry. They are known for their high strength, durability, and resistance to corrosion and high pressure, making them suitable for transporting oil and gas.
- Q: What is the pressure rating of steel pipes?
- The pressure rating of steel pipes varies depending on its size, wall thickness, and the type of steel used. It can range from a few hundred pounds per square inch (psi) for smaller pipes to several thousand psi for larger ones.
- Q: What are the different types of steel pipe coatings for marine applications?
- There are several types of steel pipe coatings commonly used for marine applications, including epoxy coatings, polyurethane coatings, zinc coatings, and fusion-bonded epoxy coatings. Each coating offers different benefits such as corrosion resistance, abrasion resistance, and protection against marine organisms. The choice of coating depends on factors such as the specific marine environment, the level of corrosion protection required, and the budget.
- Q: How does the price of steel pipes vary based on market demand?
- The price of steel pipes varies based on market demand because when the demand for steel pipes is high, the prices tend to increase as suppliers can charge more for their products. Conversely, when the demand is low, the prices may decrease as suppliers may need to offer discounts or special deals to attract buyers. Essentially, the price of steel pipes fluctuates with changes in market demand.
- Q: What are the industries that commonly use steel pipes?
- Some of the industries that commonly use steel pipes include construction, oil and gas, water and wastewater treatment, mining, manufacturing, automotive, and infrastructure development.
- Q: How are steel pipes insulated to prevent freezing?
- Steel pipes are insulated to prevent freezing by wrapping them with insulation materials such as foam or fiberglass, which helps to maintain the temperature of the pipe and prevents the transfer of cold air. Additionally, pipes can be buried underground below the frost line to protect them from freezing temperatures.
- Q: How are steel pipes used in the construction of bridges?
- Steel pipes are commonly used in the construction of bridges for various purposes such as supporting the bridge structure, providing stability, and facilitating the passage of fluids like water or gases. Steel pipes are used as piers or piles to support the weight of the bridge, acting as strong and durable foundations. They are also used for constructing the bridge's framework, such as beams and trusses, which provide the necessary strength and load-bearing capacity. Additionally, steel pipes may be used as conduits for utilities like water, gas, or electrical cables, allowing for efficient transportation across the bridge.
- Q: How are steel pipes insulated?
- Steel pipes are commonly insulated using a variety of materials such as fiberglass, mineral wool, or foam insulation. These insulating materials are typically wrapped around the steel pipes to prevent heat loss or gain, as well as to protect against corrosion and condensation. Additionally, a vapor barrier may be applied to further enhance the insulation performance.
- Q: What are the different types of steel pipe coatings?
- There are several different types of steel pipe coatings, including epoxy coatings, polyethylene coatings, zinc coatings, and galvanized coatings. These coatings are applied to steel pipes to protect them from corrosion and extend their lifespan.
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SPIRAL STEEL PIPE CARBON ASTM/ API/JIS/ DIN
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- -
- Supply Capability:
- -
OKorder Service Pledge
OKorder Financial Service
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