Cold Rolled Steel/ Hot Steel Rolled different size

Cold Rolled Steel/ Hot Steel Rolled different size System 1

Cold Rolled Steel/ Hot Steel Rolled different size

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 20 m.t.

Supply Capability:: 10000 m.t./month

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Product Description

Brief Introduction
The 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. The 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. Most cold rolling takes place in multiple passes and as the size of the Cold Rolled Steel is further reduced, its strength and hardness both increase, but its ductility decreases. After cold rolling, heating the metal up in a process known as annealing can restore some of its ductility. The final Cold Rolled Steel may be manufactured in the form of sheets, strips, bars, or other forms.

Specification
1. Thickness: 0.4-2.0mm
2. Width: 900-1250mm
3. Inner Diameter: 508mm
4. Weight of Steel Coil: 3-15MT
5. Heat Treatment: Annealed
6. Margin Status: EC & EM
7. Surface Quality: FB&FC
8. Surface Status: SB & SD
9. Surface Treatment: Oiling

Mechanical Properties
1. Yield Strength: ≤ 320MPa
2. Tensile Strength: ≤ 370MPa
3. Elongation (L=50mm, b=25mm) When:
(1) Nominal Thickness<0.25mm: 30%
(2) Nominal Thickness 0.25mm-<0.40: 32%
(3) Nominal Thickness 0.40-<0.60mm: 34%
(4) Nominal Thickness 0.60-<1.0mm: 36%
(5) Nominal Thickness 1.0-<1.6mm: 37%
(6) Nominal Thickness >1.6mm: 38%

Packing
We use Seaworthy Package to make sure Cold Rolled Steel is well-protected during the long ocean voyage.

Application
1. Base metal for coated and dipped products.
2. Home appliance
3. Precise welding tube
4. Flux cored welding wire
5. Bicycle, battery shell,
6. Automobile fitting, hardware
7. Enameling industry etc.

Superiority
1. High precision of dimensional tolerance
2. Excellent mechanical property such as the yield strength and tensile strength, etc.
3. Being highly resistant to denting
4. Exhibits useful magnetic properties
5. High quality surface finish and get well prepared for the surface coating
6. Available in a variety of sizes and shapes with characteristics useful in a wide range of applications

Chemical Components

Grade	Chemical Components
Grade	C	Mn	P	S	Alt
DC01	≤0.12	≤0.50	≤0.035	≤0.025	≥0.020
DC03	≤0.10	≤0.45	≤0.030	≤0.025	≥0.020
DC04	≤0.08	≤0.40	≤0.025	≤0.020	≥0.020

Cold Rolled Steel/ Hot Steel Rolled different size

FAQ

1. Do you have QC team?
Yeah, sure, our QC team is very important, they will keep the quality control for our products.for quality inspection every day.

Q: i'm looking into pedal steel guitars, and I would like some suggestions or links and info on what kind i should get.: Try okorder -The Art of Steel Guitar/ Steel guitar players -Take it away Leon- McAuliffe and 'Speedy West' were a couple greats. In the late '50s, Speedy was playing a Fender 1000 Pedal steel. He often did duets with Jimmy Bryant The Fastest Guitar Player In The Country! / note also the 'Emmons Guitar Company':

Q: How are steel coils used in the manufacturing of storage systems?: Steel coils are an essential component in the manufacturing of storage systems due to their durability, strength, and versatility. These coils are typically made from high-quality steel and are created by rolling the steel into a coil shape. In the manufacturing process of storage systems, steel coils serve various purposes. One of the primary uses of these coils is for the construction of shelves, racks, and frames. These components provide the structural support necessary to hold and organize items within the storage system. The strength of the steel coils ensures that the storage system can withstand heavy loads and remain stable over time. Additionally, steel coils are also used in the production of storage system accessories such as brackets, hooks, and dividers. These accessories provide additional functionality and customization options for the storage system, allowing users to optimize their storage space based on their specific needs. Moreover, steel coils are often used as the material for doors and panels in storage systems. The coils are molded and shaped to create sturdy and secure doors that provide easy access to the stored items while maintaining the overall integrity of the system. These doors can be designed with various locking mechanisms to enhance security and prevent unauthorized access. Furthermore, steel coils are crucial in the manufacturing of mobile storage systems. These systems, such as mobile shelving units or compactors, are designed to maximize storage capacity in limited space. The flexibility and versatility of steel coils allow for the creation of movable components that can be easily adjusted and reconfigured to accommodate changing storage requirements. Overall, steel coils play a vital role in the manufacturing of storage systems by providing the necessary strength, durability, and versatility required for these structures. Whether it is for shelves, accessories, doors, or mobile systems, steel coils ensure that storage systems are reliable, secure, and efficient in organizing and storing various items.

Q: Steel sticks- it has meaning to us -similar to my deceased father's name, Steven fits our style as people. We like the hardness of it for our little man. We need a middle name though. Open to suggestions, thank you=): Steel Keith Tompkins Steel Caleb Tompkins Steel Jude Tompkins Steel Lukas Tompkins Steel Ezekiel Tompkins Steel Cole Tompkins Steel Colin Tompkins Steel Lars Tompkins

Q: How are steel coils used in the production of steel bolts?: Steel coils are used in the production of steel bolts by being uncoiled and then fed into a machine that cuts and forms the bolts. The coils provide a continuous supply of high-quality steel, ensuring consistent and precise production of bolts.

Q: How are steel coils stored in warehouses?: Steel coils are typically stored in warehouses by stacking them securely on top of each other, either directly on the warehouse floor or on specially designed racks. They are often stored vertically to save space and ensure stability. Additionally, to prevent damage and corrosion, steel coils are often wrapped in protective materials or placed on pallets.

Q: will peircers use surgical steel? how do you know for sure what they are using?: that should be what they use.mine does.instead of wondering why not ASK??

Q: What are the safety regulations for steel coil production facilities?: The safety regulations for steel coil production facilities differ depending on the specific country or region. However, these facilities typically implement some common safety measures. One primary safety regulation is the proper training and education of employees. All workers in steel coil production facilities must undergo training on potential hazards and the correct safety procedures to follow. This includes training on handling heavy machinery, operating cranes or forklifts, and understanding the risks associated with working in a high-temperature environment. Maintenance and inspection of equipment are also important safety regulations. Regular inspections should be carried out to ensure that machinery and equipment are in good working condition and do not pose any safety risks. Moreover, maintenance procedures should be implemented to promptly address any issues or malfunctions. Fire safety is a crucial aspect of safety regulations in steel coil production facilities. Fire prevention measures like fire alarms, sprinkler systems, and fire extinguishers should be installed. Regular fire drills should also be conducted to ensure that all employees are familiar with evacuation procedures and can respond swiftly and effectively in case of a fire emergency. The use of personal protective equipment (PPE) is another vital safety requirement in steel coil production facilities. Employees must be provided with appropriate PPE such as safety glasses, helmets, gloves, and steel-toed boots to protect them from potential hazards like falling objects, sharp edges, and high temperatures. Additionally, safety regulations often necessitate the implementation of safety barriers and guards around machinery and equipment to prevent accidents and injuries. This includes safety gates, railings, and protective covers that restrict access to hazardous areas and prevent unauthorized entry. Regular safety audits and inspections should be conducted by relevant authorities or safety professionals to ensure compliance with safety regulations. Companies should also foster a culture of safety by encouraging open communication about safety concerns, providing safety training and refresher courses, and rewarding employees for adhering to safety protocols. It is important to note that safety regulations may vary across jurisdictions, and it is advisable to consult the specific regulations applicable in the country or region where the steel coil production facility is located.

Q: i need the same kind of body jewelry they use in the piercing shop but when i go to order them they say stainless steel, not surgical steel, and i have REALLY sensitive skin so i need to be sure, whats the difference?: There are hundreds of different grades of stainless steel. Jewelery used for piercings should be made of implant grade. Note that the term surgical steel is not a technical term. It doesn't mean anything, although it sometimes refers to what is technically implant grade stainless. Implant grade stainless steel must conform to the ASTM standard 316LVM F-138-00, otherwise the seller cannot call it implant grade. This is something you should always ask about specifically. Are your stainless items F-138-00 compliant? Jewelry that only claims to be stainless isn't good enough. Jewelery sold in mall stands are typically nickel plated, bargain-basement low grade stainless. Allergies to nickel are common.......BUT there is a big difference between allergies, and infections. Infections are caused by bacteria, not by the metal itself, and if you're getting infections it's a sign you're not keeping the piercing clean and sanitary. Simply switching to a different metal won't prevent infections from recurring. To prevent infections you need to take steps to keep new piercing clean and sanitary. the best way to do this is rinse with 50:50 hydrogen peroxide and water daily, then apply some neosporin. hope this helps.

Q: How do steel coils contribute to the automotive lightweighting trend?: Steel coils contribute to the automotive lightweighting trend in several ways. First and foremost, steel coils are used in the production of advanced high-strength steels (AHSS) which offer a higher strength-to-weight ratio compared to traditional steel grades. These AHSS can provide the same structural integrity as conventional steel, but with reduced weight. By incorporating AHSS into the construction of vehicle components such as body panels, chassis, and suspension systems, automakers can reduce the overall weight of the vehicle, thus improving fuel efficiency and reducing emissions. Furthermore, steel coils are used in the manufacturing of tailor-rolled blanks (TRBs). TRBs are formed by welding or bonding different steel grades together in a coil before stamping them into the desired shape. This allows for the optimization of material usage, as stronger steel grades can be strategically placed in areas that require higher strength, while lighter grades can be used in less critical areas. This technique not only reduces weight but also enhances safety by reinforcing necessary areas of the vehicle. Moreover, steel coils enable the production of thinner and more formable steel sheets. The advancements in steelmaking technology have allowed for the development of thinner gauges without compromising strength and durability. Thinner steel sheets are easier to shape and form, enabling the creation of complex and lightweight automotive parts. This not only reduces weight but also improves design flexibility and aerodynamics, leading to enhanced performance and fuel efficiency. In addition, steel coils contribute to cost-effectiveness in lightweighting efforts. Steel is a relatively affordable material compared to alternatives like aluminum or carbon fiber. By utilizing steel coils, automakers can achieve lightweighting goals while keeping manufacturing costs under control. This affordability aspect is particularly important in the automotive industry, where cost considerations play a significant role in the design and production of vehicles. In summary, steel coils play a crucial role in the automotive lightweighting trend by enabling the production of advanced high-strength steels, tailor-rolled blanks, thinner and more formable steel sheets, and cost-effective lightweight solutions. These advancements contribute to improved fuel efficiency, reduced emissions, enhanced safety, and increased design flexibility, all of which are key factors in the ever-evolving automotive industry.

Q: How are steel coils used in the manufacturing of construction materials?: Steel coils are used in the manufacturing of construction materials as they are processed and shaped into various components such as beams, columns, and reinforcement bars. These coils are unwound and fed into machines that cut, bend, and mold them into the required shapes, ensuring the strength and durability of the construction materials.

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