Hot Rolled Steel Coil with Super Quality
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 50 m.t.
- Supply Capability:
- 50000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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Hot Rolled Steel Coil Used for Industry
1.Structure of Hot Rolled Steel Coil Description
Rolled to its final dimensions while it’s hot enough to scale, our hot-rolled steel is an amalgamation of the various qualities of steel. It can be in the form of plates, sheet and coils. Our Hot-Rolled Steel Sheets and Coils are applied to a wide range of uses such as automobile, electrical appliance, machinery manufacturing, container manufacturing, shipbuilding, bridge, pipeline, and receive high acclaim from our customers for its excellent quality.
2.Main Features of the Hot Rolled Steel Coil
•High Purity
•Easy control and operation
•High strength
•Fast melting
•Competitive price
•Best Service
3. Cold Rolled Steel Coil Images
4. Hot Rolled Steel Coil Specification
HOT ROLLED STEEL COIL | |
Thicknenss | 1.5mm-25mm |
Width | 600mm-2000mm |
Sheets length | ---- |
Coil inner diameter | 762mm |
Surface treatement | ---- |
Coil weight | ---- |
5.FAQ of Hot Rolled Steel Coil
We have organized several common questions for our clients，may help you sincerely：
①How about your company？
A world class manufacturer & supplier of castings forging in carbon steel and alloy steel，is one of the large-scale professional investment casting production bases in China,consisting of both casting foundry forging and machining factory. Annually more than 8000 tons Precision casting and forging parts are exported to markets in Europe,America and Japan. OEM casting and forging service available according to customer’s requirements.
②How to guarantee the quality of the products？
We have established the international advanced quality management system，every link from raw material to final product we have strict quality test；We resolutely put an end to unqualified products flowing into the market. At the same time, we will provide necessary follow-up service assurance.
③How long can we receive the product after purchase?
In the purchase of product within three working days, We will arrange the factory delivery as soon as possible. The pecific time of receiving is related to the state and position of customers.Commonly 7 to 10 working days can be served.
- Q:what is the chemical process that makes steel harder when it is heated and cooled rapidly?what does the heating of it do to the atoms?what does the cooling of it do to the atoms?what makes tempered steel so strong compared to untempered steel?
- You can't temper all steels. Generally the material must be a high-carbon or tool steel. Different alloys temper differently, and tempering is usually done to get a specific set of characteristics, so you must know what you are working with and use the right methods and temperature. If you do it wrong, the material may be hard but too brittle for the purpose or have other issues. It can be simple, such as heating to a dull red, carbonizing the surface (use an acetylene rich flame until it blackens the surface) and oil quenching. Do that to a piece of tool steel (like a screwdriver) and it will case (surface) harden it to the point you can't scratch it with a file. Tempering changes the way the molecular structure in the metal is linked and oriented.
- Q:How are steel coils inspected for surface defects using non-destructive testing methods?
- Steel coils are inspected for surface defects using non-destructive testing (NDT) methods to ensure their quality and integrity. There are several common NDT methods employed in this process. One of the most widely used methods is visual inspection, where trained inspectors visually examine the surface of the steel coils for any visible defects such as scratches, cracks, pits, or corrosion. This method is relatively simple and cost-effective but is limited to detecting only surface-level defects. Another commonly used NDT method is magnetic particle testing (MT). This method utilizes the principles of magnetism to identify surface and near-surface defects in ferromagnetic materials like steel. A magnetic field is applied to the steel coil, and iron particles are applied to the surface. If there is a defect, such as a crack or discontinuity, the iron particles will concentrate around it, making the defect visible to the inspector. Liquid penetrant testing (PT) is another NDT method used to inspect steel coils for surface defects. In this method, a liquid penetrant is applied to the surface of the coil. The penetrant is drawn into any surface defects by capillary action. After a certain period, excess penetrant is removed, and a developer is applied. The developer draws out the penetrant from any defects, making them visible to the inspector. Ultrasonic testing (UT) is a widely used NDT method that can detect both surface and subsurface defects in steel coils. High-frequency sound waves are transmitted into the steel coil, and the reflected waves are analyzed to identify any abnormalities. This method can detect defects such as cracks, inclusions, and voids that may not be visible to the naked eye. Additionally, eddy current testing (ECT) is another NDT method used for inspecting steel coils. This method utilizes electromagnetic induction to detect surface and near-surface defects. A coil carrying an alternating current is placed near the surface of the coil being inspected. Any changes in the coil's electrical conductivity caused by surface defects are detected and analyzed, allowing the inspector to identify and evaluate the severity of the defects. In conclusion, steel coils are inspected for surface defects using various non-destructive testing methods such as visual inspection, magnetic particle testing, liquid penetrant testing, ultrasonic testing, and eddy current testing. These methods ensure the quality and integrity of the steel coils before they are used in various applications.
- Q:How are steel coils loaded onto a truck?
- Steel coils are typically loaded onto a truck using a combination of machinery and manual labor. The process involves several steps to ensure the safe and efficient loading of the coils. Firstly, the truck must be properly prepared for the loading process. This includes ensuring that the truck's bed is clean and free from any debris or obstacles that may interfere with the loading. The truck's bed may also be lined with protective materials such as rubber mats to prevent damage to both the coils and the truck. Next, a forklift or crane is used to lift and position the steel coils onto the truck. The forklift or crane operator must carefully maneuver the coils into place, ensuring that they are balanced and secured to prevent any shifting during transportation. It is essential to follow proper lifting techniques and safety protocols to avoid accidents or damage to the coils. Once the coils are positioned on the truck, they may be secured using various methods. This can include using straps, chains, or other restraints to hold the coils in place and prevent them from moving or falling during transit. The restraints must be properly tightened and checked to ensure they can withstand the weight and movement of the coils. It is important to note that the specific loading process may vary depending on the size and weight of the steel coils, as well as the equipment available. Some trucks may have specialized loading systems designed specifically for steel coils, which can streamline the loading process and enhance safety. Overall, loading steel coils onto a truck requires careful planning, skilled operators, and appropriate equipment. Following proper procedures and safety measures is crucial to ensure the successful transportation of the coils and to prevent any accidents or damage.
- Q:Steel resist tension. Then why we provide steel in compression zone ?
- There are several reasons to add compression steel. Keep in mind, supported steel (meaning it can't buckle) resists compression as well. Compression steel helps reduce long term deflections. Concrete creeps under sustained loads. Steel lessens the compression, meaning less sustained compressive stress to cause creep deflection. It makes members more ductile. Since the steel takes some of the compressive stress, the compression block depth is reduced, increasing the strain in the tension steel at failure, resulting in more ductile behavior (the moment at first yield remains largely the same with compression steel added, but the increase in capacity after yield is significant). Compression steel insures that the tension steel yields before the concrete crushes, meaning it helps change the failure mode to tension controlled. It makes beams easier to construct. With bars in the top and bottom, you have longitudinal reinforcement in all 4 corners of the shear stirrups to keep them in place when pouring the concrete. Also, for continuous members, its often easier to run your negative moment steel the full length of the beam rather than trying to cut it off in the positive moment regions. Serviceability concerns. You're going to end up putting steel in that region anyway to for temperature and shrinkage.
- 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:Steel is no doubt a better constructin material but it is only in practice in developed country.i would like that we should high lights the benifits and negatives of steel to make the steel more clear as a construction material.Hope some expert to address this topicMD
- Steel Structure considered as the most efficient and fast in completion of any project, specially the high rise buildings, also the logistics during construction is less complicated than the normal methods, Steel Structure has so many advantages vs the disadvantages, and highly recommended for commercial buildings
- Q:I have a tiara and it oxidized and I'm not sure what material it is. I know it it isn't metal so i was wondering if is steel? Also if it's steel, can I do something to clean it?
- Yes - Steel can oxidize, its most commonly called rust Steel is a metal. Depending on the level of oxidation, you might be able to polish it with very fine steel wool. If is is really bad, then you might need a chemical cleaner such as Naval Jelly, which can be found at the hardware store. But the Naval Jelly might discolor the metal, so then you might need to polish it afterward to return its finish.
- Q:How are steel coils inspected for surface cleanliness?
- Steel coils are inspected for surface cleanliness through various methods such as visual examination, ultrasonic testing, magnetic particle inspection, and eddy current testing. These techniques help identify any surface defects, contaminants, or irregularities on the steel coil, ensuring it meets the required cleanliness standards.
- Q:This is my first time buying new strings for my violin and I’ve narrowed it down to two choice based on reviews and cost. The only difference I can see between the strings is that one has a solid steel core and the other has a synthetic core. What are the pros and cons of each type of core?
- It depends on the tone you want. Synthetics are a more artificial, but rich tone. Solid steel strings will have a beautiful and bright tone, but may be a tad bit more difficult to play.
- Q:what do you think about it? Is it a good steel for the money? the knife that i have with that steel is the kershaw chill. good knife for the price
- 8Cr13MoV is a decent blade steel...not a great steel, but about as good as you will generally find without paying much higher prices. It's used by a number of well known knife makers... It's basically equivalent to AUS-8 and will work and hold an edge reasonably well for most basic cutting chores. *************************************** From Wikipedia, the free encyclopedia: 8Cr13MoV, a Chinese stainless steel tempered at the Rc56 to Rc58 range and used in the Tenacious, Persistence, Ambitious, Resilience, Grasshopper, Kiwi3 and Byrd lines of knives. Often compared to AUS-8, but with slightly more Carbon.
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Hot Rolled Steel Coil with Super Quality
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 50 m.t.
- Supply Capability:
- 50000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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