galvanized steel coils

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1) Quality Standard & Grade: JIS G3302, SGCC / ASTM 653M CQ/ EN10142 DX51D+Z

2) Thikness tolerance: +/-0.02mm Width tolerance:+/0.02mm

3) Zinc coating weight: 50g/m2

4) WEIGHT OF PER COIL: 3-5MT

5)Technology: cold rolled

6) Surface of Product: regular spangle / big spangle/ small spangle; Surface Treatment: chromated , non oiled, skin passed

7) Packing: export standard packing,packed with moisture resistant paper and metal

wrapping,securely tied for export,on metal skids7) Country of Origin :China

SIZE:0.19*750

Q:How are steel coils used in the production of heating and cooling systems?: Steel coils are used in the production of heating and cooling systems as they serve as the main component of the heat exchanger. These coils are responsible for transferring thermal energy between the air and the refrigerant, allowing for efficient heat transfer and regulation in the system.

Q:Ok, so im gonna get my tragus pierced and i was wondering which is better, titanium or stainless steel. I hear like everyone uses stainless steel , but is titanium better?Thanks: It seems like less people are allergic to titanium than surgical grade steel.

Q:On a fixie frame what should i get an aluminum frame or a steel frame: I'm afraid you have opened a can o'worms. Aluminum as a material is roughly 1/2 the weight of steel. Aluminum as a material is also roughly 1/3 the strength of steel. his means you need 3 times more aluminum to make a frame as strong as steel which makes the aluminum frame 25% heavier. That being said, well designed and more expensive aluminum frames can easily weigh less than low zoot steel. Buying a cheap bike with an aluminum frame will ALWAYS weigh more than a middle of the road bike with a steel frame. ...and THAT being said, high end steel can easily weigh less than a high quality aluminum frame... note we are talking frames in the $2000 range- just for the frame. So, based on your explanation and attendant budget of the bikes you are considering, buy the steel bike. You won't be losing or gaining anything... except saving money.

Q:How are steel coils protected against scratches and damage?: Steel coils are protected against scratches and damage through a variety of methods. One common method is the application of a protective coating or film on the surface of the coils. This coating acts as a barrier, preventing direct contact between the steel surface and any potential sources of scratches or damage. The protective coating can be made of materials like polyethylene, PVC, or other types of plastic that are resistant to abrasion and impact. Additionally, steel coils are often wrapped or packaged using materials such as paper, cardboard, or plastic. This wrapping provides an extra layer of protection against scratches and damage during storage, transportation, and handling. The wrapping material acts as a cushion, absorbing any potential impacts or friction that could lead to scratches. Furthermore, steel coils may be stored and transported in specially designed containers or pallets that are equipped with features to minimize the risk of damage. For instance, these containers or pallets may have padded interiors, secure fastenings, or dividers that keep the coils in place and prevent them from rubbing against each other. In some cases, steel coils are also stored or transported in a controlled environment to minimize the risk of damage. This can include temperature-controlled warehouses or shipping containers that help to prevent the formation of moisture, which can lead to corrosion or other types of damage. Overall, a combination of protective coatings, wrapping materials, specialized containers, and controlled environments is employed to ensure that steel coils are adequately protected against scratches and damage throughout their lifecycle.

Q:How are steel coils protected from humidity?: Steel coils are typically protected from humidity through a process called galvanization, where a layer of zinc or another protective coating is applied to the surface of the steel. This coating acts as a barrier, preventing moisture from coming into direct contact with the steel and minimizing the risk of corrosion. Additionally, steel coils are often stored in dry, enclosed spaces or wrapped with moisture-resistant materials such as plastic or wax paper to further protect them from humidity.

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:How are steel coils used in the manufacturing of bridges?: Steel coils are used in the manufacturing of bridges as they provide the raw material for creating structural components such as beams, girders, and columns. These coils are processed and shaped into the required sections, which are then assembled and welded together to form the bridge's framework. The strength and durability of steel make it an ideal material for constructing bridges that can withstand heavy loads and harsh environmental conditions.

Q:What is the average lead time for receiving replacement steel coils?: The average lead time for receiving replacement steel coils can vary depending on various factors such as the supplier, location, and specific requirements. It is recommended to consult with the supplier or manufacturer directly to get an accurate estimate of the average lead time for receiving replacement steel coils.

Q:What are the different coil leveling methods used for steel coils?: Steel coils can be leveled using various methods, each with its own advantages and limitations. Here are some commonly used methods: 1. Roller Leveling: Coils pass through rollers that apply pressure to flatten and level them. This method is effective in reducing coil crown or center buckle and eliminating coil memory. However, it may not be suitable for coils with severe shape defects or variations. 2. Stretch Leveling: Coils are stretched to remove shape defects. Gripper heads hold the edges of the coil while it is stretched. Stretch leveling is particularly effective in correcting crossbow and edge wave defects. However, it may cause elongation and yield loss in the material. 3. Temper Pass: Coils go through temper mill stands, where tension and compression forces are applied. Temper pass leveling improves flatness and removes coil memory. It is commonly used for thinner gauge steel coils but may not be suitable for thicker coils. 4. Corrective Leveling: This method is used for coils with severe shape defects. Skilled operators selectively remove material from specific areas of the coil to correct the shape. Corrective leveling effectively eliminates shape defects and improves flatness but requires significant labor. 5. Tension Leveling: Coils undergo tension forces while passing through pinch rolls. Tension leveling removes coil memory and improves flatness, especially for coils with edge wave defects. However, it may cause elongation and yield loss in the material. These are just a few of the coil leveling methods used for steel coils. The choice of method depends on specific requirements and desired flatness results. Considerations such as material thickness, shape defects, and production capacity are important in selecting the appropriate leveling method.

Q:I know that carbon steels and alloy steels are different but are carbon steels still alloys?Thanks!: Carbon steels are alloys. This is evident in the carbon-iron phase diagram:

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