excellent hot-dip galvanized/ aluzinc steel in good quality

excellent hot-dip galvanized/ aluzinc steel in good quality System 1

excellent hot-dip galvanized/ aluzinc steel in good quality System 2

excellent hot-dip galvanized/ aluzinc steel in good quality

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 20 m.t.

Supply Capability:: 5000000 m.t./month

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Description:

1.Mateials:SGCC,DX51D / DX52D /S250,280GD

2.Size:width:600-1250mm(900mm,1215mm,1250mm,1000mm the most common)

thickness:0.15-2.0mm

length:1000-6000mm,as your require

3.Zinc coating :60-180g( as required)

4.Coil id:508mm

5.Coil weight: 3-5MT(as required)

6. Surface:regular/mini/zero spangle, chromated, skin pass, dry etc.

Applications of our Galvalume Coil:

Galvalume Coil widely used for roofing products, It is also the ideal base material for Prepainted Steel Coil.

1. roofing

2. gutters

3. unexposed automotive parts

4. appliances

5. furniture

6. outdoor cabinetry

We can ensure that stable quality standards are maintained, strictly meeting both market requirements and customers’ expectations. Our products enjoy an excellent reputation and have been exported to Europe, South-America, the Middle-East, Southeast-Asia, Africa and Russia etc. We sincerely hope to establish good and long-term business relationship with your esteemed company.

Q:Im looking at some knives and am wandering if they use good steel one is this case knife and its 54 dollars Do they use good steel or not Iv never had a good experience with Case but am wandering if they use good steel now? if you all have any other recommendations let me hear them I got my Selection from here so any others wont hurt. so basic break down does case use good steel know?: Case knives are top quality in workmanship. Many have collectors vlaue. I once found an antique four-bladed Case knife is a school yard that had a bone handle. There are basically three types of knives purchased by those who purchase them for practical uses: Pocket knives, made principally for whittling and gneral light use Lock bladed knives Sheath knives I'm not including such novleties as switchblades or throwing knives The latter two types of knives are designed more for outdoor use. Typically they are more duarble and have high quality steel that enables the knife to hold an edge for a longer period of time than a knife made of softer steel. Pocket knives, by contrast, have smaller, thinner blades. Moreover, their steel tends to be a little softer. Comparable brands to Case would include Boker, Old- Timer and Uncle Henry (both Schrade-Walden tradenames), Camillus and others. Overall, I think you would be pleased with a Case knife. Their quality certainly exceeds such brands as Imperial or Queen.

Q:Hi All,I was wanting to know,on the quality bikes such as Trek,Giant etc is the aluminum frames as strong as the steel frame bikes? I have heard conflicting reports on this,so thought I would ask here for more input.Thanks!: Someone stated even the $99 walmart bikes are aluminum now. WRONG! Most Walmart bikes have steel frames unless you drop about $200.00. Personally, I prefer aluminum over steel. It's lighter, most times - just as strong and won't rust if you get a ding or scrape in the paint. See links below on Trek M/B. Trek 820 - steel frame - $329.99. Trek 3500 - aluminum frame - $359.99.

Q:I just got a set of all-clad Stainless steel frying pans, they are very nice yet they didn't come w/ instructions to care for them. I have never cooked w/ stainless steel cookware so I really don't know much about them. I was told they should have a lifetime warranty on them, but I don't want to reck them. I would appreciate any information I can get on stainless steel cookware. Thanks.: I bought a badly scratched-up 11 inch All-Clad Frying pan off Ebay for $23.00. I needed a large all-clad frying pan. I took it out to the garage and first cleaned it with an 8 wire brush on my bench-top polishing / grinding machine. Then I installed a 8 polishing wheel on the bench grinder. I used some polishing creme I use on car parts that I bought from Caswell s Plating. Auto polishing for your car will work too. The outside polished up like a mirror - as good as my new All-Clad pieces. Remember people. This is stainless steel. It s a tough, tough metal. You can work it like a piece of metal just as All-Clad did at the factory where they made it. It would take years to wear through the first stainless layer with a polishing wheel and mild auto polishing creme just as it would take a lot to wear through your cars paint. After-all; All you are doing is preparing an optical surface.

Q:In pounds per square inch what is the tensile strength of strong steel?: It is refereed to the ultimate tensile strength which is the point at which the specimen of steel fail (rapture) when subjected to a force,measured by unit force divided by cross section of steel.

Q:How are steel coils tested for strength?: Steel coils are typically tested for strength through a variety of methods, including tension, compression, and bending tests. These tests involve subjecting the coils to various levels of force to determine their resistance and ability to withstand pressure without deformation or failure. Additionally, non-destructive techniques such as ultrasonic or magnetic particle testing may be employed to detect any imperfections or weaknesses within the coils.

Q:What are the common processing defects in steel coils?: Steel manufacturers must identify and rectify the following processing defects commonly found in steel coils: 1. Coil breaks: These occur when the steel strip breaks during the process of winding the coil. Improper tension control or material defects can cause these breaks. 2. Slivers: Thin, elongated steel pieces get trapped in the coil during the rolling process. Foreign materials, scale, or defects in the rolling mill can cause slivers. 3. Edge cracks: Cracks appearing along the edges of the coil are known as edge cracks. Improper edge trimming, material defects, or excessive rolling forces can cause these cracks. 4. Surface defects: Scratches, pits, or scars on the steel coil constitute surface defects. Handling issues, improper cleaning, or rolling mill defects can cause such defects. 5. Coil set: Coil set refers to the coil's tendency to retain a curvature even after it has been uncoiled. This can occur due to uneven cooling during the rolling process or improper tension control. 6. Oil spots: Stains or discolorations on the steel coil caused by residual oil or lubricants are known as oil spots. Inadequate cleaning or incorrect lubricant application can lead to oil spots. 7. Wavy edges: Irregularities or waves along the edges of the steel coil are referred to as wavy edges. Uneven rolling forces or improper edge trimming can cause these irregularities. 8. Lamination: Lamination defects occur when layers or sheets of steel are not properly bonded together. Material defects or improper rolling conditions can cause lamination defects. 9. Burr: A raised edge or roughness along the edge of the steel coil is called a burr. Improper trimming or cutting processes can cause burrs. 10. Non-uniform thickness: Non-uniform thickness refers to variations in the thickness of the steel coil. Uneven rolling forces, improper cooling, or material defects can cause non-uniform thickness. Identifying and addressing these processing defects is crucial for steel manufacturers to ensure the quality and reliability of their steel coils.

Q:How do steel coils contribute to the energy efficiency of buildings?: Steel coils contribute to the energy efficiency of buildings in various ways. Firstly, steel coils are commonly used in the construction of roofing systems. These coils are typically coated with reflective materials that help to reduce heat absorption from the sun. By reflecting sunlight away from the building, steel coils can significantly reduce the amount of heat that enters the building, thereby reducing the need for air conditioning and cooling systems. This, in turn, leads to lower energy consumption and reduced electricity bills. Additionally, steel coils are often used in the insulation of buildings. Steel coil insulation acts as a barrier against heat transfer, preventing heat from escaping in colder months and entering the building in warmer months. By effectively insulating the building, steel coils help maintain a consistent internal temperature, reducing the need for heating or cooling systems. This results in lower energy consumption and enhanced energy efficiency. Furthermore, steel coils are known for their durability and longevity. Their high strength and resistance to corrosion make them ideal for constructing energy-efficient buildings. By using steel coils in the construction process, buildings can be designed with thinner walls while maintaining structural integrity. Thinner walls allow for increased insulation space, enabling better energy efficiency and reducing the overall energy demand of the building. Moreover, steel coils are also recyclable, making them an environmentally friendly choice for building materials. The recycling process of steel coils requires significantly less energy compared to the production of new steel, thereby reducing carbon emissions. By using recycled steel coils, buildings can contribute to sustainable construction practices and help reduce their environmental impact. In conclusion, steel coils contribute to the energy efficiency of buildings through their reflective properties, insulation capabilities, durability, and recyclability. By utilizing steel coils in roofing and insulation systems, buildings can reduce heat absorption and heat transfer, leading to lower energy consumption and enhanced energy efficiency. Additionally, the use of steel coils supports sustainable construction practices, promoting a greener and more environmentally friendly approach to building design.

Q:How are steel coils processed for edge conditioning or slitting?: Steel coils are processed for edge conditioning or slitting through a series of steps. First, the coils are inspected for any defects or irregularities. Then, the coils are uncoiled and leveled to ensure a flat surface. After that, the edges are trimmed or conditioned to remove any imperfections. Finally, the coils are slit into narrower strips according to the desired width.

Q:What are the different types of corrosion protection for steel coils?: There are several types of corrosion protection for steel coils, including hot-dip galvanizing, electro-galvanizing, paint coatings, and organic coatings. Hot-dip galvanizing involves immersing the steel coil in a bath of molten zinc, creating a protective layer on the surface. Electro-galvanizing is a similar process, but uses an electric current to deposit a layer of zinc onto the steel. Paint coatings provide a barrier between the steel and the environment, preventing corrosion. Organic coatings, such as epoxy or polyurethane, also provide a protective layer and can be applied by various methods such as spraying or dipping.

Q:what is the stucture of high carbon steel: I dont know percentages just that it is basic steel with added carbon it is used for tooling and other reasons that need a steel that can be hardened ~~

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