COLD ROLLED STEEL COIL-DC01/SPCC System 1

COLD ROLLED STEEL COIL-DC01/SPCC

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SPCC/DC01 COLD ROLLED STEEL

Brief Introduction

Cold Rolled Steel issteel that has been worked below its recrystallization temperature by passingit between a pair of rollers. Recrystallization temperature is the temperatureat which grains in the lattice structure of the metal have been rearranged, leavingit free of strain and deformations. Cold Rolled Steel is pre-treated beforebeing cold rolled with a process known as pickling, which uses strong acids toremove scale and other impurities. The Cold Rolled Steel is then passed throughrollers to reduce its thickness. Most cold rolling takes place in multiplepasses and as the size of the Cold Rolled Steel is further reduced, itsstrength and hardness both increase, but its ductility decreases. After coldrolling, heating the metal up in a process known as annealing can restore someof its ductility. The final Cold Rolled Steel may be manufactured in the formof sheets, strips, bars, or other forms.

Application

It’s widely used inoutdoor and interior decoration, furnishing manufacturing, home appliance,automobile etc.

Main Specification

COLD ROLLED STEEL
THICKNESS	0.2-2MM
WIDTH	600-1300MM
SHEET LENGTH	0-6000MM
COIL ID	508MM OR 610MM
SURFACE TREATMENT	MATT FINISH/BRIGHT FINISH, OILED/DRY
ANNEALING METHODS	BRIGHT ANNEAL/BLACK ANNEAL
COIL WEIGHT	1-25MT

Package &Delivery

Package details: Standardseaworthy packing for international delivery.

Delivery: Accordingto the exact quantity of your order.

Advantage

1. High QualitySurface Finish

2. High DimensionalPrecision

3. Excellentmechanical property

Q: You have two steel wool pads,one is cut up into little pieces, and the other is whole, and they are both submerged in water. 1.Which steel wool pad will rust quicker?2.How much faster will that pad rust? (estimate+explain the estimate)6.How could you make the steel wool pad rust faster?Please dont tell me to do my homework because I tried, but I bought the wrong type of steel wool: steel wool = iron fibers and rusts easily in air iron + Oxygen BUT the blue soap protects the iron at first. that needs to be cleaned off. damp surfaces speed the rusting but compeletly underwater there is not much O2, ther eis some temperature has an effect. the rusting depends ofn the area of the fibers which does NOT change when you cut th epad in smaller pieces. a good beginners experiment In old times thye thought the rusted material would lose weight becasuse it was not solid iron any more careful experiments showed it gained weight and lead to and understanding of chemistry

Q: What are the advantages of using steel coils in construction?: There are several advantages of using steel coils in construction. Firstly, steel coils offer exceptional strength and durability, making them suitable for supporting heavy loads and withstanding harsh environmental conditions. Additionally, steel coils provide a high degree of flexibility, allowing for customization and versatility in construction projects. Moreover, steel coils are fire-resistant and non-combustible, enhancing the safety of structures. Furthermore, they have excellent corrosion resistance, requiring minimal maintenance and ensuring long-term structural integrity. Lastly, steel coils are readily available and cost-effective, making them a preferred choice in the construction industry.

Q: How are steel coils inspected for camber using laser profiling?: Steel coils are inspected for camber using laser profiling by passing the coil through a laser scanning system. The laser scans the surface of the coil, measuring the height variations across its width and length. The data collected by the laser is analyzed to determine any camber or curvature deviations in the coil. This method provides a quick and accurate way to identify and measure camber in steel coils.

Q: What are the different types of steel coil slitting blades?: There are several different types of steel coil slitting blades, including circular slitting blades, crush cut slitting blades, and razor slitting blades. Each type has its own unique design and is used for specific applications in the steel coil slitting process. Circular slitting blades are commonly used for high-speed slitting and provide precise and smooth cuts. Crush cut slitting blades are designed to crush and shear the material, making them suitable for cutting delicate or fragile materials. Razor slitting blades have a sharp edge that slices through the material, making them ideal for thicker or tougher materials. Overall, the choice of blade type depends on the specific requirements of the slitting process and the type of material being cut.

Q: I have two guitars, a nylon stringed classical, and a steel stringed acoustic, I find the nylon strings easier to play, but doesn't have as good of sound as the steel stringed, and when I play with the steel strings, it really hurts my fingers, and if I play just a little bit, it feels like the high e string is going to cut my finger. Are the strings too high? What can I do to make the steel strings easier to play?: Your steel-string acoustic should not be all that much harder to play than your nylon string acoustic. Classical guitars have stretchier strings, but they also normally have higher action (string height). It sounds like your steel-string may have a problem. A typical low action would be around 0.090 gap between the low E string and the top of the 12th fret, and 0.070 between the high E and the top of the 12th fret. If yours is a lot higher than that, having it professionally set up will probably help. If it's a very cheap guitar, replacement might be the best option. Why do you need to choose between classical and steel-string? You already own both.

Q: Why can't you use a lead shot only choke with steel shot or a steel shot only choke with lead shot? I have used a lead only choke with steel shot and my shotgun shot fine and there was no damage to the choke.: The reasoning behind lead shot only is that those chokes (usually) have a very tight constriction. It can cause severe and dangerous pressure spikes when a charge of steel shot (almost impossible to compress compared to lead) gets slammed through them. Another reason could be that the tubes are either very soft steel or very thin and steel shot will damage them quickly. I personally haven't seen any steel shot ONLY tubes before just ones marked for lead and/or steel or ok for steel shot.

Q: How do steel coils contribute to earthquake resistance in structures?: Steel coils contribute to earthquake resistance in structures by providing strength and flexibility. When used in the construction of buildings, steel coils can absorb and dissipate the energy generated by an earthquake, preventing it from causing significant damage. The high tensile strength of steel allows it to withstand the lateral forces and vibrations during an earthquake, ensuring the structural integrity of the building. Additionally, the ductility of steel allows it to bend and deform without breaking, further enhancing its ability to withstand seismic activity.

Q: What are the different methods of coil flattening for steel coils?: There are several methods used for coil flattening in the steel industry. Some of the common methods include roller leveling, tension leveling, and stretcher leveling. Roller leveling involves passing the coil through a series of rollers to flatten it. Tension leveling uses a combination of tension and bending to remove any shape defects in the coil. Stretcher leveling stretches the coil in the lengthwise direction to eliminate any waviness or buckling. Each method has its own advantages and is used based on the specific requirements of the steel coil.

Q: In terms of weight to strength titanium is stronger. But is it stronger than mild steel? If it is stronger, how much stronger is it?: The tensile strength of mild steel is about 70kpsi. Pure titanium is 60-110kpsi, and with 7% manganese it is 130-170kpsi. 1kpsi = one thousand pounds per square inch. So in other words, high grade titanium can be somewhat stronger than mild steel.

Q: Can i make holes in iron and steel with somekind of drill bit. All i have is metal drill bits. Mabey like 68 of them but i dont know wich one to use and if they will penetrate.: That's what drill bits are made for. Those for steel and iron will usually be made of high speed steel. What is important, is the sharpening, and of course, the overall condition of the drill bit. If you need to drill a larger hole, it is helpful to drill a small hole first (pilot drilling), then open it out to size. Never use drill bits you intend to drill iron or steel with to drill such as timber! It will ruin them for steel working.

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