Surface Finish Cold Rolled Steel Coil for Building

Surface Finish Cold Rolled Steel Coil for Building System 1

Surface Finish Cold Rolled Steel Coil for Building

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 10000 m.t./month

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Basic Info.

Model NO.:SPCC

Surface Treatment:Oiled

Technique:Cold Rolled

Standard:ASTM, JIS, GB, DIN, BS

Steel Grade:SPCC

Product Description:Cold Rolled Steel

Brand Name:Cheeho & OEM

Heat Treatment:Annealed

Temper Type:Ba

Margin Status:Ec & Em

Surface Condition:Sb & SD

Surface Quality:FC & Fd

Inner Diameter:508-610mm

Approved Certificate:SGS & ISO & BV & TUV

Export Markets:Global

Additional Info.

Trademark:CheeHo & OEM

Packing:Standard Seaworthy Package

Standard:SGS & ISO & BV & TUV Approved

Origin:Jiangyin, Jiangsu, China

HS Code:72091790

Production Capacity:250000mt/Year

Product Description

Brief Introduction
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. 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 coil 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%

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
SPCC	≤0.12	≤0.50	≤0.035	≤0.025	≥0.020
SPCD	≤0.10	≤0.45	≤0.030	≤0.025	≥0.020
SPCE	≤0.08	≤0.40	≤0.025	≤0.020	≥0.020

Q:For my homework we have to fill out a table, but I cannot find some basic uses of these types of steel anywhere:Low carbon steel (iron mixed with lt;0.25% carbon)High carbon steel (iron mixed with lt;1.5% carbon)Stainless steel (iron mixed with nickle an chromium)Titanium steel (iron mixed with titanium)Manganese steel (iron mixed with manganese) Thanks :): Low okorder / You say you cannot find there uses anywhere. These all came up using the simplest of web searches. You really need to have a word with your IT teacher as clearly you are not doing basic searches properly.

Q:how is stainless steel made? what are the things used in making it?: There are 3 basic stainless steels. The Martinsitic, the ferritic, and the Austinistic. The spelling may be wrong on all of them. (Got out of school in 1966 with my metallurgy in 1965. The Ferritic is magnetic and has some resistance to corrosion but the Martinsitic is much more resistant to corrosion. The Austinitic stainless is very resistant to corrosion. The differences are the amount of Chrome and Nickel in the batches. The Austinitic has an 18/8 ratio of Chromium and Nickel with the rest Iron and minor ingredients. The carbon content is very important and these steels are often made in small batches with close monitoring of composition and carbon content. Scrap metals are frequently used with the chrome and nickel being added as carefully selected scrap or even fresh crude stocks. Electric melting is frequent to avoid contamination.

Q:What is the role of steel coils in the production of fencing materials?: Steel coils play a crucial role in the production of fencing materials as they serve as the primary raw material for manufacturing wire mesh used in fences. These coils are unrolled and processed by machines to create the required gauge and size of wire. The wire is then woven or welded to form the fencing mesh, providing strength, durability, and security to the final product.

Q:How are steel coils inspected for formability using forming tests?: Steel coils are inspected for formability using forming tests to assess their ability to be shaped into desired forms without any defects or failures. These tests are conducted to evaluate the material's mechanical properties and determine its suitability for specific applications. Forming tests involve subjecting the steel coil to various forming operations, such as bending, deep drawing, or stretch forming. The coil is typically cut into specified dimensions and then subjected to these operations using specialized equipment. The key objective is to simulate the actual forming process that the steel will undergo in real-world applications. During the forming tests, several parameters are closely monitored. These include the amount of force or load applied, the rate of deformation, and the resulting strain or deformation experienced by the steel. Additionally, the coil's response to these operations is observed, including any visible defects like cracks, fractures, or surface imperfections. By carefully analyzing the performance of the steel coil during the forming tests, various formability characteristics can be determined. These include the material's resistance to deformation, its ability to withstand strain without failure, and its tendency to exhibit defects under specific forming conditions. The results obtained from these tests provide valuable insights into the suitability of the steel coil for specific forming processes and applications. Moreover, advanced techniques such as digital image correlation and strain analysis may be employed to precisely measure and evaluate the strain distribution across the steel coil's surface. These techniques help identify regions of the coil that experience higher strain and potential failure points. In conclusion, steel coils are inspected for formability using forming tests that simulate the actual forming processes they will undergo. These tests assess various formability characteristics, including the material's resistance to deformation and its propensity for defects. The results obtained from these tests aid in determining the suitability of the steel coil for specific applications and guide the selection of appropriate forming parameters.

Q:What are the different types of steel coil cutting processes?: Various industries utilize several different steel coil cutting processes. These processes include: 1. Shearing: The most widely used and simplest method of steel coil cutting involves utilizing a shear blade to cut the coil material into desired lengths. This can be done either manually or with the assistance of automated machinery. 2. Slitting: A process designed to cut wide coils into narrower strips, slitting involves passing the coil material through a set of circular knives that cut the steel into smaller coils or strips of the desired width. 3. Laser cutting: Renowned for its precision and efficiency, laser cutting involves using a high-powered laser to melt or vaporize the material along a predetermined path. This method is commonly employed for intricate designs or when high accuracy is required. 4. Plasma cutting: Another method of cutting steel coil involves using a plasma torch that generates a high-velocity jet of ionized gas to melt the material. Plasma cutting is known for its speed and ability to cut through thick materials. 5. Waterjet cutting: This process utilizes a high-pressure stream of water mixed with abrasive particles to cut through steel coil. Waterjet cutting is frequently chosen when the material being cut is sensitive to heat or when precision is necessary. 6. Saw cutting: A traditional cutting method, saw cutting involves using a saw blade with teeth to cut through the material. It is particularly effective for thicker materials and can be performed manually or with the aid of automated machinery. These represent just a few of the many steel coil cutting processes commonly employed. The choice of cutting method relies on several factors such as the material's type and thickness, desired accuracy, speed, and cost-effectiveness.

Q:what is the porpose of preheating mild steel prior to welding: ok dont listen to bob the builder down there, u preheat thicker steels to draw moisture out of them. take a propane torch to something exposed to just atmospheric air around 3 inches thick and the water will literally pour out of it. do u want that in ur weld? no. so u preheat to draw any moisture or contaminates out of the base metal. good luck.

Q:How are steel coils inspected for surface finish using profilometry?: Steel coils are inspected for surface finish using profilometry by measuring the surface topography using a profilometer. The profilometer scans the surface of the steel coil and records the deviations from the ideal surface. This data is then used to determine the roughness, waviness, and other surface parameters of the steel coil, providing a quantitative assessment of its surface finish quality.

Q:How are steel coils protected from mechanical damage?: Steel coils are protected from mechanical damage by using various methods such as wrapping them with protective materials like plastic or paper, using suitable packaging and strapping techniques, and storing them in a controlled environment to prevent any potential impacts or collisions.

Q:Can steel coils be coated with zinc?: Yes, steel coils can be coated with zinc through a process called hot-dip galvanization or electroplating. This coating of zinc helps protect the steel from corrosion and rust, extending its lifespan and improving its durability.

Q:I had a damascus steel katana made for me and was wondering if I could put gun blue on it to make the steel black and it still work right: There are many makers that use blue on there Damascus. My question, what the heck are you wanting to mess with the finish for? If you had a true Damascus blade made that that thing cost a fortune, and I don't mean under a grand either. Then there is the question of what it is made from, some steel combinations react well to the gun blue, others not so much. If it is a stainless blade it won't work at all and you shouldn't be using it either. I can tell you, my Damascus blades start at $100 for a small cable knife and go up from there. If you wanted a sword it would push 10 g's easy. None of my customers would mess with the finish, most would cry if it got scratched. If it's has a pretty pattern don't mess with it.

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