High Quality Cold Rolled Steel for Buildings

High Quality Cold Rolled Steel for Buildings System 1

High Quality Cold Rolled Steel for Buildings

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 10000 m.t./month

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Basic Info.

Certification:ISO

Technique:Cold Rolled

Standard:GB

Application:Container Plate

Edge:Slit edge

Stock:Stock

Steel Grade:SPCC DC05

Export Markets:Global

Additional Info.

Packing:According to The Customer Request

Standard:SGS. ISO

HS Code:72099000

Production Capacity:250000ton/Year

Product Details
Basic Info.
Technique:Cold Rolled annealing skim
Steel Grade:spcc dc05
Technique:Cold Rolled
Export Markets:Global
Approved Certificate:SGS & ISO
Surface Treatment:Oiled
Additional Info.
Trademark:xianghe
Packing:Standard Seaworthy Packing, Bundle or Pallet
Origin: Zibo,Shandong,China
HS Code:72099000
Product Description.
1.Thickness: 0.2mm-1.3mm
2. Width:660mm~1000mm
3. Inner Diameter: 508mm
4. Weight of Steel Coil: 3-15MT
5. Heat Treatment: Annealed
6. Surface Quality: FB&FC
7. Surface Status: SB & SD

Skim the steel plate		Cold rolled steel sheet
width	Thickness(mm)	width	Thickness(mm)
660mm~1000mm	0.2mm-1.3mm	660mm~1000mm	0.2mm-1.3mm

Cold Rolled Steel is steel that has been worked below its recrystallization temperature by passing it between a pair of rollers. Recrystallization temperature is the temperature at which grains in the lattice structure of the metal have been rearranged, leaving it free of strain and deformations. Cold Rolled Steel is pre-treated before being cold rolled with a process known as pickling, which uses strong acids to remove scale and other impurities. The Cold Rolled Steel is then passed through rollers to reduce its thickness.

Q: How do steel coils compare to other materials in terms of strength?: Steel coils are known for their exceptional strength and durability, making them one of the strongest materials available in the market. Compared to other materials, such as aluminum or plastic, steel coils exhibit superior strength and resistance to deformation or breakage. The high tensile strength of steel allows coils to withstand heavy loads, making them ideal for various industrial applications, including construction, automotive manufacturing, and the production of heavy machinery. Additionally, steel coils possess excellent fatigue resistance, meaning they can endure repeated stress and strain without losing their structural integrity. This strength advantage makes steel coils a preferred choice for applications where reliability and safety are of utmost importance.

Q: What are the challenges in coil recoiling for high-strength steel?: One of the main challenges in coil recoiling for high-strength steel is the control and management of residual stresses. High-strength steel has a tendency to retain significant levels of residual stresses, which can lead to coil distortion or springback during recoiling. This requires careful process optimization and control to minimize these effects. Additionally, the high strength of the steel can make it more susceptible to cracking or damage during recoiling, necessitating precise handling techniques and equipment. Overall, the challenges lie in achieving uniform coil geometry, minimizing residual stresses, and avoiding any potential damage to the high-strength steel during the recoiling process.

Q: How are steel coils used in the production of electrical conduits?: Several techniques are employed in the production of electrical conduits using steel coils. Firstly, the raw material for manufacturing electrical conduits is steel coils. These coils are composed of specially processed and formed high-quality steel, which is transformed into a continuous strip of considerable length. Once the steel coils are acquired, they are fed into a machine known as a slitter. This machine swiftly slices the coils into narrower strips of the desired width, which will function as the foundational material for the electrical conduits. The subsequent step involves shaping the steel strips into the desired conduit shape. This is accomplished by guiding the strips through a series of rollers and various shaping tools. Gradually, the steel strips take on the round or rectangular shape of the conduit as the rollers exert pressure and manipulate the strip until it reaches the desired form. After the shaping process, the ends of the steel strips are fused together to create a seamless conduit. This welding procedure ensures that the conduit possesses a structure devoid of any seams, a vital characteristic for its functionality and durability. Once the conduits have been shaped and welded, they undergo additional processing to enhance their properties. This may involve galvanizing, whereby a protective layer of zinc is applied to the conduits to shield them from corrosion. This additional layer significantly prolongs the lifespan of the conduits, rendering them suitable for a wide range of electrical applications. In summary, steel coils play a crucial role in the production of electrical conduits. These coils serve as the raw material that is shaped, welded, and further processed to create the final product. The utilization of steel coils ensures that the electrical conduits are robust, long-lasting, and capable of withstanding the rigorous demands of electrical installations.

Q: What are the common surface treatments for steel coils?: Common surface treatments for steel coils include galvanizing, which involves applying a layer of zinc to protect against corrosion; painting, where a layer of paint is applied for aesthetic purposes or to provide additional protection; and chromating, which involves applying a thin layer of chromium to enhance corrosion resistance and improve paint adhesion.

Q: Can i use steel shot in a remington 870 wingmaster full choke 30 inch barrel. the shotgun is in great shape and about 20 or 25 years old probably. thank you. the steel shot i have got is 12 gauge 2 3/4 in 1550 velocity 1 1/16 oz 2 shot winchester xpert high velocity steel shot: Because of environmental concerns steel, bismuth and tungsten is replacing lead shot, for bird hunting. The problem with steel shot is the hardness, which can cause damage to the bore and choke in older shotguns. Unlike lead there is no give to steel and it can damage the bore especially if the choke is on full. Tungsten is also very hard, but it is often alloyed with other metals making it softer causing less damage in older models shotguns. Bismuth falls in between tungsten and steel, being the softer of the two by far.

Q: What are the key players in the steel coil manufacturing industry?: The key players in the steel coil manufacturing industry are large steel companies such as ArcelorMittal, Nippon Steel Corporation, POSCO, Baosteel Group, and Tata Steel. These companies have a significant global presence and dominate the market due to their extensive production capabilities, advanced technologies, and strong distribution networks. Additionally, there are several other regional and local players that cater to specific markets and niche segments within the industry.

Q: What are the common welding techniques used for steel coils?: The common welding techniques used for steel coils include shielded metal arc welding (SMAW), gas metal arc welding (GMAW), and flux-cored arc welding (FCAW). SMAW, also known as stick welding, is a manual welding process where an electric current is used to create an arc between the welding electrode and the base material. The electrode is coated with a flux material that provides a shielding gas to protect the weld from atmospheric contamination. This technique is versatile and can be used for both thick and thin steel coils. GMAW, commonly referred to as MIG (metal inert gas) welding, is an automated process that uses a continuous wire electrode and a shielding gas to protect the weld area. The electrode is fed through a welding gun, and an electric current creates an arc between the wire and the base material. This technique is fast and efficient, making it suitable for high-volume production of steel coils. FCAW is a variation of GMAW that uses a tubular electrode filled with flux instead of a solid wire. The flux provides a shielding gas and also releases additional fluxing agents to protect the weld from impurities. FCAW is often preferred for welding thicker steel coils as it provides better penetration and higher deposition rates. In addition to these techniques, other welding methods like laser welding and electron beam welding can also be used for specific applications in steel coil manufacturing. These techniques offer precise and high-quality welds but are typically more expensive and require specialized equipment. Overall, the choice of welding technique for steel coils depends on factors such as the thickness of the material, production volume, and specific requirements of the end product.

Q: What are the common surface finishes for steel coils?: Steel coils can have various surface finishes, depending on specific requirements and applications. Some commonly used finishes include: 1. Hot-dip galvanization: This involves immersing the steel coil in molten zinc to create a protective layer. It offers excellent corrosion resistance and is often used outdoors. 2. Electro-galvanization: In this process, a thin layer of zinc is electroplated onto the steel coil. It provides good corrosion resistance and a smooth finish, making it suitable for automotive parts and appliances. 3. Galvannealing: Steel coils are coated with a zinc-iron alloy through a high-temperature annealing process. This finish improves paint adhesion and offers excellent corrosion resistance, making it ideal for automotive parts and construction materials. 4. Tinplating: A thin layer of tin is applied to the steel coil, providing excellent corrosion resistance and a shiny appearance. Tinplate is commonly used for packaging materials and cans. 5. Pre-painting: Steel coils are coated with a layer of paint, offering corrosion resistance and an attractive finish. It is often used for building materials like roofing and siding. 6. Cold-rolling: Steel coils are rolled at room temperature, resulting in a smooth and clean surface. Cold-rolled coils are used when a high-quality surface finish is required, such as in automotive parts and appliances. These are just a few examples of the surface finishes available for steel coils. The choice of finish depends on desired properties, such as corrosion resistance, appearance, and specific application requirements.

Q: How are steel coils used in the production of automotive frames?: Steel coils are used in the production of automotive frames as they are rolled into sheets and then cut and shaped to form the necessary components of the frame. The coils provide the raw material that is strong, durable, and able to withstand the structural demands of the vehicle.

Q: What are the common coil processing equipment used in the industry?: Some common coil processing equipment used in the industry include coil slitting machines, coil leveling machines, coil cutting machines, coil recoiling machines, and coil feeding systems. These machines are used to process coils of various materials, such as steel, aluminum, and copper, into desired sizes and shapes for further manufacturing processes.

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