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: Does seamless steel tube have a bend of 135 degrees?
- In engineering, it is usually marked as "45 elbow" and has no "135" mark. The angle of the elbow is acute, so there will be no more than 90 degrees elbow.
- Q: What are the different strategies for pipe laying using steel pipes?
- There are several strategies for pipe laying using steel pipes, including open cut trenching, trenchless methods such as horizontal directional drilling (HDD), microtunneling, and pipe jacking. In open cut trenching, a trench is dug and the steel pipes are laid in the trench before it is backfilled. HDD involves drilling a small pilot hole underground and then pulling the steel pipes through the hole. Microtunneling uses a remote-controlled boring machine to excavate a tunnel and install the steel pipes simultaneously. Pipe jacking involves pushing the steel pipes into the ground using hydraulic jacks while excavating the soil in front of the pipes. Each strategy has its advantages depending on the specific project requirements and conditions.
- Q: What is the difference between steel pipe and PVC pipe?
- Both steel pipe and PVC pipe are commonly utilized materials for plumbing and other construction purposes; however, they possess several distinct dissimilarities. To begin with, the materials themselves differ. Steel pipe is manufactured from a blend of iron and carbon, known as steel. This material is renowned for its robustness and durability, rendering it appropriate for high-pressure applications and subterranean installations. Conversely, PVC (polyvinyl chloride) pipe is crafted from a type of plastic called PVC. PVC pipe is characterized by its lightweight nature, flexibility, and ease of handling, making it a favored choice for residential plumbing and irrigation systems. Next, the installation process varies. Steel pipe necessitates skilled labor and specialized tools for cutting, threading, and welding. It frequently involves a complex installation procedure, particularly for larger pipe sizes. Conversely, PVC pipe can be effortlessly cut with a saw or specialized pipe cutter and joined together utilizing solvent cement or threaded fittings. This renders PVC pipe more suitable for DIY projects and simpler installations. Moreover, steel pipe incurs greater costs compared to PVC pipe. Steel is a pricier material, and the manufacturing process for steel pipe is more intricate, entailing multiple steps and additional materials. PVC pipe, as a plastic-based material, is generally less expensive and more cost-effective, particularly for smaller diameter applications. In terms of performance, steel pipe possesses greater tensile strength, can endure higher levels of pressure, and exhibits greater resistance to temperature fluctuations, rendering it ideal for heavy-duty and industrial applications. Conversely, PVC pipe possesses lower tensile strength but is resistant to corrosion, chemicals, and scale buildup. PVC pipe is commonly employed in residential plumbing, irrigation systems, and other non-industrial applications. To summarize, the primary disparities between steel pipe and PVC pipe revolve around the materials used, installation processes, costs, and performance characteristics. While steel pipe is sturdier and more suitable for heavy-duty applications, PVC pipe is lighter, easier to install, and more cost-effective for residential and non-industrial purposes.
- Q: How are steel pipes used in the pulp and paper industry?
- Steel pipes are commonly used in the pulp and paper industry for various applications such as transporting water, steam, chemicals, and other fluids throughout the production process. They are used in the construction of pipelines, conveying raw materials, and transferring finished products. Steel pipes provide durability, reliability, and resistance to corrosion, making them suitable for handling the harsh conditions and corrosive substances found in the industry.
- 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 do you calculate the flow rate through a steel pipe?
- Several factors need to be considered in order to calculate the flow rate through a steel pipe. The crucial factors include the pipe's diameter, the pressure difference across the pipe, and the properties of the fluid flowing through it. Accurate measurement of the inside diameter of the steel pipe is the first step. This measurement is vital as it determines the cross-sectional area through which the fluid flows. Ensure that the units used for the diameter measurement are consistent with the units used for other measurements. Next, determine the pressure difference across the pipe. This can be accomplished by measuring the pressure at two points along the pipe, typically at the inlet and outlet. It is important to take the pressure measurements at the same height in order to avoid any discrepancies. The pressure difference is usually given in units of pressure, such as psi, kPa, or bar. Once you have the diameter and pressure difference, you can utilize either the Bernoulli equation or the Darcy-Weisbach equation to calculate the flow rate. The Bernoulli equation establishes a relationship between the pressure difference and the fluid's velocity. However, this equation assumes ideal conditions and overlooks factors like friction losses, viscosity, and turbulence. On the other hand, the Darcy-Weisbach equation is more accurate as it considers these factors. To employ the Darcy-Weisbach equation, you must be aware of the fluid's properties that flow through the pipe, such as density and viscosity. These properties can be determined either through experimentation or by referring to literature values. After gathering all the necessary information, you can use the Darcy-Weisbach equation: Q = (π/4) * D^2 * √[(2 * ΔP) / (ρ * f * L)] Where: Q represents the flow rate, measured in cubic meters per second or any other consistent units. D is the diameter of the pipe, measured in meters or any other consistent units. ΔP is the pressure difference across the pipe, measured in Pascals or any other consistent units. ρ is the density of the fluid flowing through the pipe, measured in kilograms per cubic meter or any other consistent units. f signifies the friction factor, which relies on the Reynolds number and the roughness of the pipe. L represents the length of the pipe, measured in meters or any other consistent units. By substituting the appropriate values for all the variables, you can accurately calculate the flow rate through the steel pipe.
- Q: Can steel pipes be used for mining applications?
- Yes, steel pipes can be used for mining applications. Steel pipes are known for their strength, durability, and resistance to extreme conditions, making them suitable for various mining activities such as transporting water, air, or chemicals, as well as for structural support and ventilation systems in mines.
- Q: How are steel pipes protected against fire hazards?
- Steel pipes are protected against fire hazards through various methods, including the application of fire-resistant coatings, encasement in fire-rated materials, and the installation of fire sprinkler systems. Additionally, fire stops and fire barriers are used to prevent the spread of fire and smoke through pipe penetrations in walls and floors.
- Q: How are steel pipes protected against abrasive wear?
- Steel pipes are protected against abrasive wear through various methods such as using protective coatings, lining the pipes with wear-resistant materials, or employing internal or external liners. These measures ensure that the steel pipes can withstand the erosive effects of abrasive materials and extend their lifespan.
- Q: What are the different methods of insulating steel pipes?
- There are several methods of insulating steel pipes, including using insulation wraps, foam insulation, fiberglass insulation, and pre-insulated pipe systems. Insulation wraps are typically made of materials like rubber or polyethylene and are wrapped around the pipe to provide thermal insulation. Foam insulation involves applying a layer of foam insulation directly onto the surface of the pipe. Fiberglass insulation is another common method, where fiberglass material is wrapped around the pipe to provide insulation. Pre-insulated pipe systems are complete pipe systems that come with built-in insulation and are ready to be installed. These methods help prevent heat loss or gain in the pipes, maintain temperature control, and prevent condensation.
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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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