Cold Relled Steel Coil/Plates with High quality in CNBM
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 89000000 m.t./month
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Description of cold rolled steel coil :
The raw material of cold rolled steel coil/sheet is high quality hot rolled product, and after pickling, kinds of new technology and new process of global cold rolling production have been applied. Therefore the manufacturing, home appliance, automobile etc.
Specification of cold rolled steel coil :
standard | AISI, ASTM, DIN, GB, JIS |
Steel Grade | Q195/Q195L/st12/dc01/spcc |
Thickness | 0.15-1.5mm |
Width | 500-914mm |
Length | coil |
Place of Origin | Shandong,china(mainland) |
Producing ablity | 500,000 Tons/month |
Type of payment | T/T, L/C |
Packing | As per customer's requirement |
Delivery | 30days after contract |
Price | FOB&CIF |
MOQ | 20Tons |
Packaging & delivery of cold rolled steel coil :
Packaging Detail: | Oil coated, metal shell and anti-rust paper with corner protected by sheet or coil |
Delivery Detail: | 30 days after receiving deposit or L/C |
Application of cold rolled steel coil :
1. Refrigerators, cabinets, power distribution baords and drums.
2. Automobile floor and roof panels.
3. Automobile fenders and quarter panels
4. Automobile fenders and quarter panels
Images of cold rolled steel cold rolled steel coil:
- Q: What are the different types of steel coil surface treatments for corrosion resistance?
- To enhance corrosion resistance, different methods are utilized for treating the surface of steel coils. These treatments create a protective layer that prolongs the lifespan of the steel and prevents corrosion. Some commonly used treatments for corrosion resistance include: 1. Galvanizing: Widely recognized as an effective method, galvanizing involves applying a layer of zinc to the steel coil's surface. The zinc acts as a sacrificial anode, corroding before the steel, thus safeguarding it against rust and corrosion. 2. Chromate conversion coating: This treatment entails applying a chromate-based solution to the steel coil's surface. The chromate forms a thin film that serves as a protective barrier against corrosion. Moreover, it improves the adherence of paint or other coatings that may be applied subsequently. 3. Phosphating: Phosphating is a process where a phosphate coating is added to the steel coil. This coating establishes excellent corrosion resistance by chemically bonding with the steel surface. It also enhances the adherence of subsequent coatings or paints. 4. Organic coatings: These coatings comprise paint or epoxy and are applied to the steel coil to create a barrier between the steel and its surroundings. They offer corrosion resistance and enhance aesthetic appeal. The selection of organic coating depends on the specific application and the desired level of corrosion protection. 5. Zinc-rich paint: Similar to galvanizing, zinc-rich paint contains a high concentration of zinc particles. When applied to the steel coil, these particles provide sacrificial protection, preventing corrosion. This coating is commonly employed in harsh environments or for steel coils exposed to frequent moisture or saltwater. It is important to consider various factors such as the application, environment, budget, and required level of corrosion resistance when choosing a surface treatment. Consulting with a steel coil manufacturer or corrosion specialist is advisable to determine the most suitable treatment for a specific situation.
- Q: How are steel coils used in the production of roofing materials?
- Steel coils are used in the production of roofing materials as they are rolled out and cut into specific dimensions to create metal roofing sheets. These coils provide a sturdy and durable base material that is resistant to weather conditions, ensuring long-lasting and reliable roofing solutions.
- Q: How are steel coils processed for stamping or forming?
- Steel coils are typically processed for stamping or forming by first uncoiling them and then flattening or leveling them to remove any curvatures or distortions. After that, the coils are fed into a stamping or forming machine, where they undergo different processes such as cutting, bending, or shaping to achieve the desired final product.
- Q: How do steel coils compare to aluminum coils?
- Steel coils are generally stronger and more durable than aluminum coils. They have a higher tensile strength and better resistance to impact and abrasion. However, aluminum coils are lighter, more corrosion-resistant, and have better thermal conductivity. The choice between steel and aluminum coils depends on the specific application and the desired characteristics such as strength, weight, and corrosion resistance.
- 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: During fatigue testing of any material (especially for steels), why is strain-control mode preferred over stress control mode?
- because metals, like steel, are ductile and will stretch before breaking. Straining the metal is stretching it, stressing the metal is applying a shearing force or bending until there is an actual metal failure. A sheet metal strap 1inch across and 24 gauge metal is commonly used to support metal ducting systems in construction. These have an average strain to failure weight load as high as 16,200 lbs. As reported by the smacna index, they will safely hold 6800 pounds. Of more interest is the screws used to hold the strap to the duct. While they are grade 3, fairly strong, they strain to 1400 pounds when properly installed, and are safely able to support 650 pounds, unless they are overtorqued (stripped) and this quickly drops to 400 pounds and 125 pounds...big difference.
- Q: How are steel coils used in the production of industrial valves?
- Steel coils are used in the production of industrial valves as they are shaped and cut into specific sizes to create the valve bodies and other components. The coils are then processed through various manufacturing techniques such as welding, machining, and forging to form the valve structure. This allows for the production of durable and reliable industrial valves that can withstand high pressure and temperature conditions in various industries.
- Q: what do you think about producebility of low density steel? for example: can density of 1020 steel (or ony others) be decreased without any loss of other properties.
- 1. A method has been developed for magnetic phase analysis of Fermanal type alloys as-quenched and after aging. 2. The upper limit of alloying to ensure the optimal mechanical properties was determined more precisely for steel 9G28Yu9MVB. For rods aged at 550°C for 16 h the aluminum content should not exceed 9.2% and the carbon content 0.92%. 3. To ensure the optimal mechanical properties of the deformed metal it is necessary to obtain a fine-grained single-phase austenitic structure after quenching. The amount of hardening phase after quenching should not exceed 15–20% (saturation magnetization around 1600 G).
- Q: What are the common methods of handling steel coils during production?
- There are several common methods for handling steel coils during production. These methods are designed to ensure the safe movement and storage of the coils, as well as to facilitate efficient processing. 1. Forklifts: Forklifts are commonly used to move steel coils within a production facility. They are equipped with specialized attachments, such as coil rams or coil hooks, that securely grip the coil and allow for easy transport. Forklifts are ideal for moving coils over short distances or between different areas of the production floor. 2. Overhead cranes: Overhead cranes are another popular method for handling steel coils. These cranes are typically mounted on rails and can span the entire length of a production facility. They use lifting devices, such as C-hooks or magnets, to securely lift and transport the coils. Overhead cranes are particularly useful for moving large or heavy coils over longer distances. 3. Coil cars: Coil cars are specialized rail-mounted vehicles that are designed to transport steel coils within a production facility or between different areas of a steel mill. These cars feature adjustable arms or forks that can be positioned to securely hold the coils. Coil cars are often used when large quantities of coils need to be moved at once. 4. Coil racks: Coil racks are used for storing steel coils in a vertical position. These racks are typically made of heavy-duty steel and are designed to hold multiple coils securely. They are commonly used in warehouses or storage yards to maximize space and facilitate easy access to the coils. 5. Coil trailers: Coil trailers are specially designed trailers that are used for transporting steel coils over long distances. These trailers have built-in coil cradles or bunks that securely hold the coils during transit. They often feature adjustable or removable coil racks to accommodate different sizes or configurations of coils. Overall, the common methods of handling steel coils during production involve the use of specialized equipment such as forklifts, overhead cranes, coil cars, coil racks, and coil trailers. These methods prioritize the safety of the workers and the integrity of the coils, while also ensuring efficient movement and storage throughout the production process.
- Q: I just started playing guitar last year. I never changed the chords. When my sister started taking guitar lessons her teacher said that she needed to change the chords. When i bought the guitar it came with steel strings but i bought nylon strings because they are easier on the fingers. The problem is i already tuned up the guitar but it sounds really bad like if it was not tuned. What can i do about this?
- Guitars okorder /
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Cold Relled Steel Coil/Plates with High quality in CNBM
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 89000000 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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