Hot Rolled Galvanized Steel Pipe-DN25 System 1

Hot Rolled Galvanized Steel Pipe-DN25 System 2

Hot Rolled Galvanized Steel Pipe-DN25

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Loading Port:: China Main Port

Payment Terms:: TT or LC

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Hot Rolled Galvanized Steel Pipe-DN25

Main Structure

Length:2-12m,Size:20-219MM
Wall Thickness:0.5-10mm
zinc coated:60-500g/m2

Specifications

Size	OD	1/2-8” (20mm-219mm)
	Wall Thickness	0.5mm-10mm SCH30,SCH40,STD,XS,SCH80,SCH160,XXS etc.
	Length	Less than 12m
Steel material	Q195 → Grade B, SS330,SPHC, S185 Q215 → Grade C,CS Type B,SS330, SPHC Q235 → Grade D,SS400,S235JR,S235JO,S235J2 Q345 → SS500,ST52
Standard	BS EN10296,BS EN10025,BS EN10297,BS6323, BSEN10219,BSEN10217,GB/T13793-1992,GB/T14291-2006 GB/T3091-1993,GB/T3092-1993,GB3640-88
Usage	Used For Structure, Accessorize And Construction
Ends	1) Plain 2) Beveled 3) Thread with Coupling or cap
End protector	1) Plastic pipe cap 2) Iron protector
Surface Treatment	1) Bared 2) Black Painted (varnish coating) 3) Galvanized 4) With Oiled 5) 3 PE, FBE, corrosion resistant coating
Technique	Electronic Resistance Welded (ERW ) Electronic Fusion Welded (EFW) Double Submerged Arc Welded (DSAW)
Type	Welded Pipe
Welded Line Type	Longitudinal
Section Shape	Round
Inspection	With Hydraulic Testing, Eddy Current , Infrared Test
Package	1) Bundle, 2) In Bulk 3) Bags 4) Clients' Requirements
Delivery	1) Container 2) Bulk carrier
Port of Shipment	Xingang Port,Tianjin, China
Date of Delivery	According To The Quantity And Specification Of Each Order
Payment	L/C T/T
Others	Fitting as screws and flange also can be supplied.

FAQ

Q: Why should you choose us:

A: 1. More than 10 years experience in this industry
2. 100,000 tons exporting per month
3. Professional foreign trade tea
4. OEM&ODM capacity
5. High quality assured & competitive price
6. Try our best to meet your needs & save your budget
7. Very popular in Southeast Asia, Africa, Mid-East and South America etc.
8. VIP membership system, first time customers and long-term cooperation customers can get extra discount on some products.

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Hot Rolled Galvanized Steel Pipe-DN25

Q: How is steel wire rod used in the manufacturing of wire nets?: Wire nets, essential in the production of wire nets due to their strength, durability, and flexibility, are commonly used in industries such as construction, agriculture, mining, and transportation for fencing, mesh screens, and reinforcement. To manufacture wire nets, steel wire rods undergo a series of processes. Initially, the wire rods undergo meticulous quality inspection and conformity checks. Next, they go through the drawing process, where they are pulled through dies to reduce their diameter and increase their length. This process enhances the wire's tensile strength and flexibility, making it ideal for use in wire nets. Following the drawing process, the wire undergoes annealing, a crucial heat treatment that relieves internal stresses and improves its ductility. This ensures that the wire can be woven or welded into various net configurations. Once the wire is prepared, it is used to create wire meshes or nets through weaving or welding methods. In the weaving process, the wire strands are interwoven in a crisscross pattern to form a grid-like structure. Different weaving patterns, such as plain weave, twill weave, or Dutch weave, can be chosen based on the desired strength and opening size of the wire net. Alternatively, the wire can be welded at intersecting points to form a welded wire mesh. This process involves applying heat and pressure to join the wires, resulting in a sturdy and uniform net structure. Welded wire mesh is commonly used in applications requiring higher strength and stability. Once manufactured, wire nets can be used for various purposes, including perimeter fencing, area partitioning, and industrial protection barriers. The strength and durability of steel wire rods ensure that wire nets can withstand harsh environmental conditions, resist corrosion, and provide reliable performance over an extended period. In conclusion, steel wire rods are crucial in the manufacturing of wire nets, thanks to their strength, durability, and flexibility. Wire nets have diverse applications in different industries, providing solutions for fencing, mesh screens, and reinforcement requirements.

Q: If i have a Nice big flat square of p.c.b that is just a solid sheet of p.c.b. Can i polish it to a mirror shine? What would i use and how thick is a normal sheet of copper on a p.c.b board?: Technically yes. If you are not adding anything to the copper, you'll need to polish it up with some fine sand paper first (to get rid of any noticable scratches), then some very fine abrasive to polish it down, and then some polishing liquid or metal polish to bring out the shine. It is a laborious process though. If you want to have a chrome effect, you'll need to tin plate or chrome plate the copper first before polishing it up, but make sure you remove the noticable scratches before plating as too much polishing will remove the plating. Why don't you just buy a polished piece of material?

Q: How are steel strips used in the production of tools?: Steel strips are an essential component in the production of tools due to their high strength, durability, and versatility. These strips are primarily used in the manufacturing process to create various types of cutting tools, such as saw blades, drill bits, and knives. One of the main applications of steel strips in tool production is as the raw material for the tool's cutting edge. The strips are carefully shaped and sharpened to create a precise cutting surface that can effectively cut through different materials. The hardness and toughness of steel strips make them ideal for this purpose, as they can withstand the high forces and pressures exerted during the cutting process without deforming or breaking. Additionally, steel strips are used in the production of tool components that require high strength and rigidity. For example, they are commonly used in the construction of tool handles or frames, providing the necessary strength and stability for the tool to be used effectively. Due to their malleability, the strips can be easily shaped or bent to fit the desired design and ensure an ergonomic grip for the user. Moreover, steel strips are often used in the production of specialty tools, such as measuring instruments or precision engineering tools. These tools require high precision and accuracy, and steel strips can be precisely machined and calibrated to meet these requirements. The dimensional stability and uniformity of steel strips make them suitable for creating tools with consistent and reliable performance. In conclusion, steel strips play a crucial role in the production of tools by providing the necessary strength, durability, and versatility required by various cutting tools and tool components. The use of steel strips ensures the production of tools that are robust, reliable, and capable of performing a wide range of tasks in different industries and applications.

Q: I bought some ties from a department store and they have creases from how they were folded.Can you get the creases out with an iron?: Iron with it on the lowest heat, better still, don't iron directly onto the tie. Put something over it like a cotton cloth and iron that with the tie underneath.

Q: What is the reaction between calcium oxide and water?: Calcium oxide (calcium oxide), is a kind of inorganic compounds, its chemical formula is CaO, the name of lime. Physical properties are white powder surface, impure is gray, containing impurities when pale yellow or gray, with moisture absorption. Calcium oxide is an alkaline oxide, sensitive to humidity. Easy to absorb carbon dioxide and moisture from the air. Reacts with water to produce calcium hydroxide (Ca (OH) 2) and produces a large amount of heat and is corrosive.

Q: Are stainless steel bars suitable for architectural and decorative applications?: Stainless steel bars are an excellent choice for architectural and decorative purposes. Not only do they have outstanding corrosion resistance, but they also have a sleek and modern appearance that adds sophistication to any design. The versatility of these bars allows for a wide range of applications, including handrails, balustrades, facades, sculptures, furniture, and more. Furthermore, stainless steel bars can be easily shaped, welded, and fabricated into various forms, offering limitless design possibilities. Their durability, low maintenance requirements, and ability to withstand harsh environmental conditions make them a popular choice among architects and designers who are looking for long-lasting and visually appealing architectural and decorative elements.

Q: Is it safe and effective to use aluminum foil for wrapping rice during cooking?: <p>Yes, you can use aluminum foil to wrap rice for cooking. It's a common practice that helps to steam the rice evenly, keeping it moist and preventing it from drying out. Ensure the foil is food-grade and seal it properly to prevent any leaks. However, avoid using dark-colored or non-stick aluminum foils, as they may react with acidic foods or release harmful fumes at high temperatures. Always monitor cooking times and temperatures to prevent burning or overcooking the rice.</p>

Q: lime powder is used in baking cookies,cakes etc.I can't seem to find it anywhere.Does anyone know where?: Lime water has a number of different meanings - for instance to an alcohol cocktail maker lime water could mean a mixture of lime juice ( from the citrus fruit) and water , This would be an acidic solution with pH less than 7.00 But in chemistry the term lime water has specific meaning - such as in the sentence : If CO2 gas is bubbled through lime water a precipitate occurs and the lime water turns milky. In this chemical meani8ng of lime water the solution is made by dissolving calcium hydroxide in water. This is only sparingly soluble , but a clear lime water solution can be obtained by allowing the undissolved Ca(OH)2 to settle out This solution is basic with a high pH because the dissolved Ca(OH)2 is a strong base and a high concentration of OH- ions is produced. Is lime H2O an acid or base: Take your pick depending on what you mean.

Q: What are the different surface treatments for steel coils?: There are several different surface treatments available for steel coils, depending on the desired outcome and application. Some of the most common surface treatments for steel coils include: 1. Hot-dip galvanizing: This process involves immersing the steel coils in a bath of molten zinc, which forms a protective layer on the surface of the steel. Hot-dip galvanizing provides excellent corrosion resistance and is often used for outdoor applications. 2. Electro-galvanizing: Similar to hot-dip galvanizing, but instead of immersing the steel coils in molten zinc, a thin layer of zinc is electroplated onto the surface of the steel. Electro-galvanizing provides good corrosion resistance and is commonly used for indoor applications. 3. Powder coating: This process involves applying a dry powder to the surface of the steel coils, which is then heated and cured to form a hard, durable coating. Powder coating provides excellent corrosion resistance and is available in a wide range of colors and finishes. 4. Paint coating: Steel coils can also be coated with a liquid paint, which provides both corrosion resistance and aesthetic appeal. Paint coatings can be applied in various thicknesses and finishes, depending on the desired look and level of protection required. 5. Phosphating: Phosphating is a chemical treatment that involves immersing the steel coils in a phosphate solution. This process creates a thin, adherent layer of phosphate on the surface of the steel, which enhances paint adhesion and improves corrosion resistance. 6. Chromate conversion coating: Also known as chromating or passivation, this process involves immersing the steel coils in a solution containing chromium salts. Chromate conversion coatings provide excellent corrosion resistance and also act as a primer for subsequent paint or powder coating. 7. Zinc-nickel plating: This surface treatment involves electroplating a layer of zinc-nickel alloy onto the steel coils. Zinc-nickel plating provides superior corrosion resistance compared to pure zinc plating and is often used in demanding environments. These are just a few of the many surface treatments available for steel coils. The choice of treatment depends on factors such as the application, desired level of corrosion resistance, aesthetic requirements, and budget. It is important to carefully consider the specific needs of the project and consult with experts to determine the most suitable surface treatment for steel coils.

Q: 1.) Tempering a steel is the process of changing the internal grain structure, it is usually used in conjection with the Normalization process.2.) Annealing is the process of controlled or times cooling which reduces intergranular boundary structures, it is usually used in conjuction with the weilding process.3.) Rust is a Material change that is very simliar in effect to the Heat Treat process know as Decarburization.4.) Decarburization often cause fine surface cracking as a by-product.5.) ERW-Line Pipe is always Bevel Finished. This is the reason for its higher strength in operational application.: 1.) Tempering a steel is the process of changing the internal grain structure true it is usually used in conjection with the Normalization process don't know 2.) Annealing is the process of controlled or times cooling which reduces intergranular boundary structures true it is usually used in conjuction with the weilding process false 3.) Rust is a Material change true that is very simliar in effect to the Heat Treat process know as Decarburization false

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