Cold Rolled Sheet Coil

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Product Name	Cold Rolled Sheet Coil
Material	SPCC/SPCD/SPCE/DC01/ST12/ ST14/SPCD/DC03/DC04 ect.
Grade Standard	JIS G3302, EN10142, ASTM653, ASTM95
Thickness	0.15-3.5mm
Width	600mm-1500mm
Coil ID	508-610mm
Coil OD	max 1500mm
Weight	3-10 Tons
Tolerance	Thickness tolerance:+/-0.02mm; Width tolerance:+/-5mm
Surface	No-skin passed or Skin passed, Tensile leveled
Surface Treatment	Chromate/Unchromate passivation, fingerprint resistant treatment, oiled/unoiled
Annual Output	350,000MT
Application	Construction, hardware, home applicances, interior decoration

General Application of Cold Rolled Steel Coil:

Classification	Designation	Characteristics	Main applications
Commercial quality	SPCC SPCCT	Commercial quality suitable for bending fabrication and simple forming; this is the type in greatest demand.	Refrigerators, cabinets, power distribution baords and drums.
Drawing quality	SPCD	Drawing quality second only to that of SPCEN. Excellent uniformity.	Automobile floor and roof panels.
Deep-drawing quality	SPCE SPCF	Deep-drawing quality.With metallurgically controlled grain size, it retains its beautiful finish even after being deep-drawn.	Automobile fenders and quarter panels
Extra deep-drawing quality	SPCG	Extra-low-carbon steel sheets with highest workability	Automobile internal panels and deep-drawn parts

Production Flow Chart

Specification

1. Thickness: 0.4-2.0mm

2. Width: 900-1250mm

3. Inner Diameter: 508 & 610mm

4. Weight of Steel Coil: 3-15MT

5. Heat Treatment: Annealed + Smoothed

6. Margin Status: EC & EM

7. Surface Quality: FC & FD

8. Surface Treatment: Oiling

9. Surface Status: Bright

Chemical Components

Grade	Chemical Components
Grade	C	Mn	P	S	Alt
St12	≤0.10	≤0.50	≤0.035	≤0.025	≥0.020
St13	≤0.08	≤0.45	≤0.030	≤0.025	≥0.020
St14	≤0.08	≤0.40	≤0.025	≤0.020	≥0.020

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%

Q: How are steel coils used in the manufacturing of shock absorbers?: Steel coils are commonly used in the manufacturing of shock absorbers as they provide the necessary strength and flexibility to absorb and dampen shocks and vibrations. These coils are typically placed inside the shock absorber to support the weight of the vehicle and absorb the impact caused by uneven road surfaces. The coiled steel springs compress and expand to absorb the energy from the shocks, ensuring a smoother and more comfortable ride for the vehicle occupants.

Q: What are the different types of surface defects in steel coils?: Some of the different types of surface defects in steel coils include scratches, pits, rust, scale, stains, and indentations.

Q: Hi,Well, I live near almost across the street from a forest, and my neighborhood is full of raccoons!!! Recently, I just purchased a bunny and have kept it at my cousin's house for the time being. He has a steel cage, and is about 6 months old. I am considering bringing him home and leaving him in the back yard with his steel cage. I am just afraid that raccoons can bite through the steel and get to him. So the question is... Is is possible for raccoons to bite through steel? Btw,Please don't answer hate comments about me being a bad rabbit owner. I simply want to know if raccoons can bite through steel. If it doesn't work out, the rabbit will stay at my cousins house until further notice. But please, I did not waste 5 points for unneeded answers. Thanksss!: Well the raccoons can't bite through steel unless it is very thin steel, like aluminum foil thickness. But they have long arms and can reach into the cage so that would be my worry. They are also very clever so I don't know if it is safe for the bunny. That would depend upon the size of the cage and how hungry the raccoons are. The raccoons might be tempted to try to steal the bunny's food so that is a concern. Check with a pet shop owner or forester or someone like that who has knowledge about raccoons in the area.

Q: What is the maximum width of steel coils?: The maximum width of steel coils is subject to variation, influenced by factors like steel type, manufacturing capabilities, and intended usage. Nevertheless, in most cases, steel coils tend to have a maximum width of approximately 2,200 millimeters or 86.6 inches. This width is widely employed in the steel industry for coils of standard sizes. It is worth mentioning that wider widths may be achievable through specialized steel coils or custom manufacturing methods, albeit less frequently and possibly necessitating particular equipment or processes.

Q: What's the best material for color coated steel coil?: Galvanized steel sheet with hot-dip galvanized or zinc plated surface.

Q: How are steel coils used in the manufacturing of machinery?: Steel coils are used in the manufacturing of machinery as they serve as a primary material for various components such as gears, shafts, frames, and structural supports. These coils are typically cut, shaped, and welded to form intricate and durable parts that can withstand the demands of heavy-duty machinery. Additionally, the strength, versatility, and corrosion resistance of steel make it an ideal choice for machinery manufacturing, ensuring longevity and reliability in the final product.

Q: I am building a robot for Bots IQ. In doing so i have the option of building the the armor of my robot out of titanium or tool steel.. which would be the better option.Brief description of Bots IQ: It is a competition where 2 15lb robots go and attack each other with spinning blades, hammers or whatever is designed.: Titanium is a significantly stronger and lighter metal, but is also extremely expensive. If you have the option for titanium, go for it.

Q: Are steel coils used in shipbuilding?: Yes, steel coils are commonly used in shipbuilding. They are used primarily for the construction of the ship's hull and other structural components due to their strength, durability, and ability to withstand harsh marine environments.

Q: What are the common surface treatments for galvanized steel coils?: The common surface treatments for galvanized steel coils include passivation, chromate coating, and oiling. Passivation is a process where a thin layer of protective material, such as zinc phosphate or chromate, is applied onto the galvanized steel surface. This layer helps to enhance the corrosion resistance of the steel by providing a barrier against moisture and atmospheric elements. Passivation also improves the adhesion of subsequent coatings or paints that may be applied to the steel. Chromate coating, also known as chromating or chromate conversion coating, involves the application of a thin layer of chromate onto the galvanized steel surface. This coating provides an additional layer of protection against corrosion and improves the appearance of the steel. Chromate coatings can be clear or colored, depending on the desired aesthetic. Oiling is another common surface treatment for galvanized steel coils. This involves the application of a thin layer of oil onto the surface of the steel, which helps to prevent the formation of rust and corrosion during storage and transportation. Oiling also provides temporary protection against moisture and other environmental factors until the steel is further processed or used in its final application. These surface treatments are commonly used to enhance the performance, durability, and appearance of galvanized steel coils, ensuring that they can withstand harsh conditions and maintain their quality over time.

Q: What are the different methods of coil handling and storage?: Various industries commonly employ several different methods for coil handling and storage to ensure safety, efficiency, and preservation. Some of these methods include: 1. Coil cradles: Popular for handling and storing coils, coil cradles feature a U-shaped structure that provides stability and support. The cradle is positioned beneath the coil and can be easily maneuvered using forklifts or overhead cranes. 2. Coil cars: Used for transporting coils within a facility or between locations, coil cars are equipped with specialized clamps or arms to securely hold the coil during transit. Manual or automatic operation is determined by coil size and weight. 3. Coil racks: Specifically designed storage systems for organized coil storage, coil racks are typically constructed from steel and feature multiple levels or compartments to accommodate various coil sizes and types. Forklifts or overhead cranes are used to access coil racks. 4. Coil turnstiles: In processing lines where continuous coil feeding into machines is required, coil turnstiles are employed. These rotating devices enable easy loading and unloading of coils by rotating them to the desired position, facilitating handling and processing. 5. Coil pallets: Specially designed pallets made of steel or wood, coil pallets are utilized for both storage and transportation of coils. Their unique configuration allows for convenient loading and unloading using forklifts or pallet jacks. Coil pallets are often utilized for long-distance transportation or warehouse storage. 6. Coil storage racks: Large storage systems designed for bulk coil storage, coil storage racks are typically made of steel and feature multiple levels or compartments to accommodate a significant number of coils. Forklifts or overhead cranes are utilized for accessing coil storage racks. These examples represent only a selection of the numerous coil handling and storage methods commonly employed across various industries. The specific method chosen depends on factors such as coil size and weight, available space, and industry-specific requirements.

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