First Class Cold Roll Based Steel Sheet Coil

First Class Cold Roll Based Steel Sheet Coil System 1

First Class Cold Roll Based Steel Sheet Coil

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 60 m.t.

Supply Capability:: 8000 m.t./month

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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 recycled?: Steel coils are typically recycled by first being collected and transported to a recycling facility. At the facility, the coils are unpacked and sorted based on their type and quality. Any contaminants, such as oil or paint, are removed through a cleaning process. The coils are then shredded into smaller pieces and melted in a furnace. Once melted, impurities are skimmed off the top, and the molten steel is poured into molds to form new coils or other steel products. This process helps conserve resources and reduce the need for mining new materials.

Q:How are steel coils priced?: Steel coils are priced based on various factors including the current market demand and supply, raw material costs, production and processing expenses, transportation and logistics costs, as well as any additional charges or fees imposed by the manufacturer or supplier.

Q:Can anyone please tell me what is the DUCTILE TO BRITTLE TRANSITION TEMPERATURE IN STEEL LOW CARBON?Thanks.: The temperature varies with the type of low carbon steel and how it is heat treated. Common structural steel actually have a transition temperature as defined by Charpy impact tests to be in the 50 degree range. Most low carbon steel pipe such as ASTM A53, A106 and pressure vessel plate such as A212, a515 also have 50 degree range Charpy test results. If you look at materials with fine grain such A516 plate, A300 pipe and similar materials then the transition temperature drops to around -50 degrees. The thing to remember is in addition to the transition temperature you also have to have the material at a high stress level, a stress riser such as a notch and then the sudden application of additional stress to get an actual brittle fracture failure. That is why bridges make from common structural steel don't fail at temperatures as low as -40 degrees.

Q:What's the difference between hot rolled coil and hot-rolled carbon thin steel coil?: Hot rolled coil is used for continuous casting slab or as raw material, after reheating furnace heating, descaling into the roughing mill of high pressure water, roughing material by cutting head, tail, and then enter the finishing mill, the implementation of the computer controlled rolling, after finishing through the laminar cooling (computer controlled cooling rate and coiling) reel, a straight hair volume. Hair straightenerrollhead, tail tongue shapeand thefishtail shape, thickness, width of poor accuracy, edgehaswavy, folding, tower and other defects. The volume is heavy. (general management industry likes to use. )

Q:What are the different methods of painting steel coils?: There are several different methods of painting steel coils, each with its own advantages and applications. 1. Coil coating: This is a continuous and automated process where a coil of steel is unwound, cleaned, pretreated, primed, painted, and cured before being rewound. Coil coating offers excellent control over the paint application and ensures a consistent finish. It is commonly used for high-volume production of steel coils, such as in the automotive and construction industries. 2. Spray painting: This method involves manually or mechanically spraying paint onto the steel coils. It is a versatile and flexible method that allows for customization and precise control over the paint application. Spray painting can be done in various ways, such as airless spraying or electrostatic spraying, depending on the desired finish and the specific requirements of the project. 3. Dip coating: Also known as immersion coating, this method involves immersing the steel coils into a tank of paint. The coils are carefully lowered into the paint, ensuring that all surfaces are fully coated. Dip coating is often used for large or bulky steel coils that cannot be easily spray painted. It provides excellent coverage and can be suitable for certain applications, such as in the electrical or appliance industry. 4. Powder coating: This method involves applying a dry powder paint to the steel coils using an electrostatic process. The charged powder particles adhere to the grounded coils, creating a durable and even coating. Powder coating offers excellent resistance to impact, chemicals, and UV rays. It is commonly used in applications where a high-quality and long-lasting finish is required, such as in the aerospace or outdoor equipment industry. 5. Roll coating: This method involves passing the steel coils through a series of rollers that are partially submerged in paint. As the coils go through the rollers, the paint is transferred onto their surface. Roll coating is often used for thin or delicate steel coils, as it provides a gentle and uniform paint application. It is commonly used in the appliance or electronics industry. Each method has its own advantages and is chosen based on factors such as the desired finish, production volume, cost, and specific requirements of the project. Ultimately, the choice of painting method depends on finding the most suitable balance between quality, efficiency, and cost-effectiveness.

Q:How are steel coils used in the manufacturing of elevator components?: Steel coils are used in the manufacturing of elevator components as they provide the necessary strength and durability required for various parts such as brackets, frames, and shafts. The coils are shaped, cut, and welded to create the desired elevator components, ensuring a sturdy and reliable structure that can withstand heavy loads and constant usage.

Q:Are steel coils recyclable?: Yes, steel coils are recyclable. Steel is a highly recyclable material, and steel coils can be melted down and reused in the production of new steel products, reducing the need for virgin materials and conserving resources.

Q:How are steel coils used in the production of rail tracks?: Steel coils are used in the production of rail tracks as they are processed and shaped into long sections known as rails. These coils are first uncoiled and then heated, allowing them to be rolled and formed into the desired rail shape. The resulting rails are then cut to the required length and undergo further processes such as straightening and finishing to ensure their strength, durability, and suitability for use in railways.

Q:What is steel made of? What are the elements other than iron?: Steel is iron and carbon.

Q:What are the different types of steel coil processing equipment?: There are several different types of steel coil processing equipment, including coil slitting machines, coil cut-to-length machines, coil leveling machines, and coil edge trimming machines. Each of these machines serves a specific purpose in the steel coil processing industry, helping to efficiently and accurately cut, shape, and prepare steel coils for various applications.

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