Prime Quality Cold Rolled Steel Sheet Coil
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 10000 m.t./month
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Specification
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 |
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 | ||||
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: What is the difference between regular steel stainless steel? Why does steel rust but stainless wont? Is stainless some kind of alloy or something? Any knowledgeable input would be great. Thanx!
- steel is also an alloy - principally of iron and carbon. The reason ordinary steels rust is that the iron oxide is not tightly bound to the surface, revealing fresh metal to be oxidised. Stainless (like aluminium and titanium, both very reactive metals) forms a tough coat of oxide that protects the bulk.
- Q: What are the different types of steel coil surface treatments for corrosion resistance?
- There are several types of steel coil surface treatments for corrosion resistance, including galvanizing, zinc coating, chromating, and polymer coating.
- Q: 2 refridgerator of similar model and same brand..one is stainless steel...the other is clear steel (cheaper)..so wat's the difference between the two?
- In okorder /... The appliances that are not made of stainless steel are made of a mild steel which is then finished with a durable enameled finish, in colors even. Stainless steel appliances look very nice in the showroom, but it is no fun trying to keep them fingerprint and handprint free. If you have ever owned a toaster that was made from stainless steel then you know how much fun it would be to have to keep a whole refrigerator fingerprint free, The oils transferred from the skin leave very distinct smears on stainless surfaces.
- Q: What are the different methods of testing steel coils for quality control?
- There are several methods commonly used to test steel coils for quality control. These methods ensure that the steel coils meet the required specifications and standards. 1. Visual Inspection: This is the most basic method of testing steel coils. It involves a thorough visual examination of the coils for any surface defects such as scratches, dents, or irregularities. Visual inspection helps identify any visible defects in the material. 2. Dimensional Measurement: Another important method is dimensional measurement. This involves using various tools like calipers, micrometers, or laser measuring devices to assess the dimensions of the steel coils. The measurements are compared against the specified tolerances to ensure they meet the required standards. 3. Hardness Testing: Hardness testing determines the resistance of the steel coils to indentation or penetration. It helps assess the strength and durability of the material. Common hardness testing methods include Rockwell, Brinell, and Vickers hardness tests. 4. Tensile Strength Testing: Tensile strength testing measures the maximum amount of tensile stress a steel coil can withstand before breaking or deforming. This test helps determine the strength and elasticity of the material and ensures it meets the required specifications. 5. Chemical Analysis: Chemical analysis involves testing the composition of the steel coils to verify if they contain the desired amount of specific elements. This is crucial for ensuring the coils are made from the correct grade of steel and comply with the required chemical composition standards. 6. Coating Thickness Measurement: In case the steel coils have a protective coating, it is important to measure the thickness of the coating. This is typically done using non-destructive testing methods like magnetic induction or eddy current testing. The coating thickness is compared against the specified requirements to ensure it provides adequate protection. 7. Surface Roughness Measurement: Surface roughness testing assesses the smoothness or roughness of the steel coil's surface. This is done using instruments like profilometers or roughness testers. Surface roughness testing helps ensure the coils meet the required surface finish standards. 8. Ultrasonic Testing: Ultrasonic testing utilizes high-frequency sound waves to detect internal defects such as cracks, voids, or inclusions within the steel coils. It is a non-destructive testing method that provides valuable information about the coil's structural integrity. 9. Magnetic Particle Inspection: This method is used to identify surface and near-surface defects in steel coils. Magnetic particles are applied to the surface, and any magnetic leakage caused by defects is detected using magnetic sensors. This technique is particularly effective for detecting cracks and other surface abnormalities. By employing a combination of these testing methods, manufacturers can ensure that the steel coils produced meet the required quality standards and are suitable for their intended applications.
- Q: What are the different steel coil specifications?
- There are various steel coil specifications available, including dimensions (thickness, width, and length), chemical composition, mechanical properties (such as tensile strength and yield strength), surface finish, and coating options. These specifications vary depending on the specific application and industry requirements.
- Q: How are steel coils used in the production of steel cables?
- Steel coils are used in the production of steel cables as they serve as the raw material for cable manufacturing. The steel coils are unwound and then processed through a series of steps, such as drawing, stranding, and coating, to transform them into steel cables of various sizes and strengths. These cables are widely used in industries like construction, transportation, and telecommunications for purposes such as supporting structures, lifting heavy objects, and transmitting electrical signals.
- Q: How does the surface finish of steel coils affect their performance?
- The surface finish of steel coils plays a significant role in determining their performance. A smooth and uniform surface finish enhances the coil's ability to resist corrosion, improves its aesthetic appeal, and allows for easier cleaning and maintenance. It also facilitates better adhesion of coatings or finishes, which can enhance the coil's durability and protect it from environmental factors. On the other hand, a rough or uneven surface finish may compromise the coil's performance by promoting corrosion, reducing its ability to withstand wear and tear, and potentially impairing its functionality in certain applications. Therefore, the surface finish of steel coils is a critical factor that directly impacts their overall performance and longevity.
- Q: Can steel coils be rewound?
- Yes, steel coils can be rewound.
- Q: What are the different methods of edge trimming steel coils?
- There are several different methods used for edge trimming steel coils, depending on the specific requirements and preferences of the manufacturer. Some of the common methods include: 1. Slitting: This is a widely used method where the coil is passed through a set of rotating circular blades to cut the edges of the steel coil. Slitting allows for precise trimming of the edges and can be used for various thicknesses of steel coils. 2. Milling: In this method, the edges of the steel coil are trimmed using milling cutters, which remove the excess material to achieve the desired edge finish. Milling is often used for thicker steel coils or when a specific edge profile is required. 3. Shearing: Shearing involves the use of a sharp blade to cut through the steel coil along a straight line. This method is commonly used for thinner steel coils and provides a clean and straight edge. 4. Laser cutting: Laser technology is also employed for edge trimming steel coils. A focused laser beam is used to melt or vaporize the excess material, resulting in a precise and smooth edge. Laser cutting is often used for thinner gauges or when intricate shapes or patterns are required. 5. Water jet cutting: This method utilizes a high-pressure stream of water mixed with abrasive particles to trim the edges of the steel coil. Water jet cutting offers a versatile and precise cutting solution, especially for thicker steel coils and complex shapes. It is important for manufacturers to carefully evaluate their specific requirements, such as coil thickness, desired edge finish, speed, and cost, in order to select the most appropriate method of edge trimming for their steel coils.
- Q: What are the end uses of galvanized steel coil? What is the market like for this raw material? Would something like this be expensive?Also can you explain: PPGI.And the following specifications; what do they mean/represent?Required Composition :Thickness- 0.23mmCarbon- Max. 0.01%Manganese- Max. 0.20%Phosphorous- Max. 0.05%Sulphur- Max. 0.01%Silicon- ABT. 2.80 - 3.50%CRGO Quality- Prime QualityThanks
- Steel coil is the name given to thinner sheet steel when it is manufactured - it comes out of the machine and is formed into a coil for ease of handling storage and transportation. Thin sheet steel is used for plenty of stuff. It can be slit (cut) into thin strips as well as just cropped and used at one of the standard lengths x widths it leaves the mill. There is a big market for this material. It is used in many construction and engineering applications for things like ducting, boxes, gutters, down pipes, flashings, panels, car bodies etc., anything made of thin steel Galvanising is a flash coating of zinc which improves it's corrosion resitance. Cost wise it is a relatively cheap material. The chemical composition of steel varies, it is mostly iron but has various other elements added or present as impurities that change it's characteristics, depending on the end use. These additional elements can be selected to give better weld ability, hardness, tensile strength, corrosion resistance, flexibility and so on. In many applications excess of these chemicals is undesirable. For example sulphur and carbon are generally better at lower levels. The chemical composition data is contained in a material data sheet and expressed as a percentage of the chemical present and which gives the composition of a particular batch of steel, allowing it to be selected for particular applications and traced for quality assurance purposes. The list you have there shows presence and quantity of other elements in a particular batch of coil. The thickness is 0.23mm, quite thin.
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Prime Quality Cold Rolled Steel Sheet Coil
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 10000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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