Cold Rolled Steel Sheet in Coil/High Quality/low Price

Cold Rolled Steel Sheet in Coil/High Quality/low Price

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Loading Port:: China main port

Payment Terms:: TT OR LC

Min Order Qty:: 12 m.t.

Supply Capability:: 50000 m.t./month

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Product Description

Commodity	Cold Rolled Steel Coils
Raw material	SGCC, SPCC, DC51D, SGHC,A653
Certificate	ISO9001.ISO14001.OHSAS18001
Thickness	0.15mm-5mm
Width	1250mm or under
Tolerance	thickness+/-0.01mm
Surface treatment	galvanized / galvalumized steel sheets
Zinc coating	40-180g
Type of coating structure	2/1 or 2/2 coating, or customized
MOQ	25 tons
Packaging	Seaworthy standard packaging or as customed
Delivery	10-15 days after receiving the prepayment
Application	Building industry ,structural use, roofing, commercial use ,household appliance, industry facilities,office buildings

1)Thickness: 0.4-3.0mm

2)Width: 600/1000/1250/1500mm or customized

3)Grade: SPCC, SPCD, SPCE, DX51D+Z, DC01-06, ST12, 170P1, HC380LA, SPHC, Super deep drawing

4)Standard: JIS G3141-1996, EN 10131-2006, DIN EN 1002

5)Weight of Cold Rolled Coil : 3-15MT

6)Surface Treatment: Galvanized or Oil

7)Technique: Cold rolled

8)Edge: Cut edge or Mill

9)Original place: Tianjin, China

10)Advantage of Cold Rolled Coil :

High quality in flatness, brightness and straightness, and be qualified in both chemical compositions and mechanical properties.

11) Package of Cold Rolled Coil : Strapped with min three strapping strips, covered by anti-water paper and plastic film, fixed on the iron or wooden pallets by strapping strips and covered by plastic bag to prevent damage from transportation.

12)Applications for Cold Rolled Coil :(1) For the further producing of hot dip galvanized steel products or Prime Pre-painted Steel Coil
(2) Cold rolled Steel Coil: Auto manufacture, Oil drum, Transformer's tank panel, Furniture, bicycle, construction, battery case, industrial machine, etc.

13)Process of Cold Rolled Coil :

Pickling: To clean the dust and rust points on the surface.
Cold Rolling: Digital rolling control system produces minimum thickness tolerance, helps to prevent twist and improve straightness.
Slitting: Precise slitting machinery helps control the best width tolerance and avoid camber or cracker.

DC01-DC03 Cold Rolled Steel Coil

Q: Is it just because brass is reloadable? But what makes it reloadable? What does brass bring to the equation that the steel cased ammo can't do?: When 9mm was short I bought some steel Tula ammo, it was cheap and available. When at the range I was shooting it and it sounded different and felt different, way less kick. So I loaded up a mix of Tula and some Federal. Big difference between them. I also had failure to eject on the steel, then put brass in and did not have that problem. I do not buy cheap steel ammo anymore.

Q: can anyone help me to find any webpage about lists/types of stainless steel?: Types of stainless steel There are over 150 grades of stainless steel, of which fifteen are most common. The AISI (American Iron and Steel Institute) defines the following grades among others: - 200 Series—austenitic iron-chromium-nickel-manganese alloys - 300 Series—austenitic iron-chromium-nickel alloys Type 301—highly ductile, for formed products. Also hardens rapidly during mechanical working. Type 303—free machining version of 304 via addition of sulfur Type 304—the most common; the classic 18/8 stainless steel Type 316—Alloy addition of molybdenum to prevent specific forms of corrosion - 400 Series—ferritic and martensitic alloys.

Q: What are the dimensions and weight range of steel coils?: Depending on the intended use and industry requirements, steel coils can vary in dimensions and weight ranges. Typically, the thickness of steel coils ranges from 0.15mm to 3.5mm, while their width ranges from 600mm to 2,000mm. The weight range of steel coils can widely vary, commonly falling between 5 and 25 metric tons. Factors such as the type of steel, the production method, and the desired application determine the specific dimensions and weight range of steel coils.

Q: Or is it a coating that is applied? If so what types of steel? Or what types of coatings?: No, usually they are just coated or galvanized. To make a steel that is truly more corrosion resistant raises it's cost quite markedly, where as coatings are pretty cheap. Almost all structural steel is just A36 mild steel (like 0.1% carbon, 0.05% Mn, and not much else). There are higher grades of structural steel, and bridges are made with truly more corrosion resistant carbon steels, but for a house it's just not the case.

Q: How are steel coils inspected for color consistency?: To ensure that the final product meets the desired specifications, various methods are used to inspect the color consistency of steel coils. Visual inspection, which involves trained inspectors examining the coils under controlled lighting conditions, is one common method. By comparing the color of each coil to a standard color chart or a previously approved sample, any variations in color can be detected and noted for further analysis. In addition, objective color measurement can be achieved using advanced technologies such as spectrophotometers. These devices measure the reflective properties of the steel surface using light, allowing for precise color analysis. The obtained color data is then compared to the specified color range, and any deviations are flagged for further investigation. Furthermore, some manufacturers may opt for automated color measurement systems, such as colorimeters or color cameras, to inspect steel coils for color consistency. These systems provide quick and accurate assessments of the color of each coil, ensuring uniformity throughout the entire batch. Overall, the inspection process for color consistency in steel coils combines visual inspection, spectrophotometry, and automated color measurement systems. This comprehensive approach guarantees that the steel coils meet the required color standards, resulting in consistent and high-quality products for customers.

Q: What is the role of steel coils in the production of appliances?: The role of steel coils in the production of appliances is to provide a strong and durable material for the construction of various components and structures. Steel coils are commonly used to manufacture appliance parts such as panels, frames, cabinets, and internal components. The high strength and versatility of steel make it ideal for withstanding the stress and demands of everyday appliance use. Additionally, steel coils can be shaped, molded, and welded to create customized designs and configurations, ensuring the appliances are both functional and aesthetically pleasing.

Q: I've heard different things bout them, though I do not know this. Oh, and if you know where you can buy some raw or get custom made stuff out of black steel please let me know it would be greatly appreciated. Oh and my friend told me there is a black steel that can be sharpened and silver will be underneath, is this also true? Thank you very much for answering ^^: black steel and black tron are not same.

Q: So we all know a 1000lb steel ball will sink in water, but if you were to leave the center of the ball hollow and fill with air, if the steel ball was big enough in diameter it should float correct? What size would the steel ball need to be to float?: convert lb to kg = 454 kg = 454 litres = 454,000 cm2 volume (454,000) of a sphere = 4/3 pi * r ^3 calculate r double it to get the diameter of the sphere in cm

Q: What are the different types of steel coil storage containers?: There are several types of steel coil storage containers, including coil racks, coil cradles, coil saddles, coil cassettes, coil pallets, and coil cones. These containers are designed to safely store and transport steel coils, providing support and stability to prevent damage or shifting during handling and storage.

Q: What are the different types of steel coil surface treatment methods?: Various industries commonly use several different types of surface treatment methods for steel coils. These methods aim to enhance the performance, durability, and appearance of the coils. Some commonly employed treatment methods for steel coils include: 1. Hot-dip galvanizing: Immersing the steel coil in molten zinc provides excellent corrosion resistance and prevents rusting. 2. Electro-galvanizing: Electroplating a thin layer of zinc onto the steel coil surface offers similar corrosion protection to hot-dip galvanizing but with a thinner coating. 3. Cold-rolled steel coil: Passing the steel coil through rollers at room temperature creates a smooth and polished surface finish, suitable for high-quality appearance applications. 4. Pre-painted steel coil: Also known as color-coated steel coil, this method involves applying a layer of paint or coating onto the steel surface, providing an attractive appearance and additional corrosion protection. 5. Phosphating: Applying a phosphate coating onto the steel surface improves the adhesion of subsequent coatings, such as paint or powder coating, and offers corrosion resistance. 6. Chromate conversion coating: This method entails applying a conversion coating, typically using chromium compounds, onto the steel coil surface to enhance paint adhesion and corrosion resistance. 7. Passivation: Chemical treatment is used to remove iron oxide and other contaminants from the steel surface, thereby improving the corrosion resistance of the steel coil. 8. Oiling: A thin layer of oil is applied onto the steel coil surface, commonly used for preventing corrosion during storage and transportation. These treatment methods are commonly employed for steel coil surfaces. The choice of method depends on specific requirements like corrosion resistance, appearance, and performance.

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