Cold Rolled Steel Coil for Roofing Sheet
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 12 m.t.
- Supply Capability:
- 10000 m.t./month
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Specification
Standard:
ASTM,GB,DIN,EN,JIS
Technique:
Cold Rolled
Shape:
Round
Surface Treatment:
Oiled
Steel Grade:
SPCC SPHC,Q195,Q215,Q235
Certification:
ISO,SGS,BV,CE
Thickness:
0.18mm-1.8mm
Width:
700mm-1300mm
Length:
according to weight
Outer Diameter:
according to weight
Net Weight:
10MT
Packaging:
Standard Export Packing
COLD ROLLED STEEL COIL
| Thickness | 0.18mm-1.8mm |
| Thickness tolerance | ±0.02mm |
| Width | 700--1300mm |
| Width tolerance | ±2mm |
| Length | 1-6m or in coil |
| Type | Cold rolled |
| Types | Commercial / Drawing / Deep Drawing / Structural quality |
| Quality | Soft or hard quality |
| Standard | ASTM, AISI, DIN, GB,JIS |
| Material | SGCC, DX51D,DX52D, DX53D,SGCD , Q195, Q235, SGHC, DX54D, S350GD, S450GD, S550GD, etc |
| Spangle State | Regular spangle, small spangle, big spangle, non-spangle |
| Surface treatment | chromed / oiled/slightly oiled/ dry/ anti-fingerprint etc |
| Coil weight | 10 ton or up to you |
| Coil ID: | 508 /610mm |
| Packing | Standard exportation packing |
| Min order | As per specification |
Products and Equipments
Packing
Quality and Loading
FAQ
1. Q: Where is your company located? How can I visit there?
A: Our company is located in Hebei, China. Welcome to visit us.
2. Q: Can I get sample and how long will it take?
A:Yes. We can supply sample. And you need to pay for courier.
3. Q: What's the MOQ?
A: Our MOQ is 10mt.
4. Q: What's the delivery time?
A: It will take about 30 days after TT or L/C.
5. Q: What is the payment terms?
A: T/T, L/C at sight
6. Q: How does your factory carry out quality control?
A: We attach great importance to quality control.Every part of our products has its own QC.
7. Q: What certificate do you have?
A: We have SGS, ISO9001 etc. Also we can apply any certificate if you need if the qty is OK.
- Q: Whats the difference in composition? When LTCS is used generally?Whats the temperature range, that these materials can be used? Is there any relation between Killed carbon steel, LTCS, stainless steel, carbon steel(normal)? How to categorise/classify these?Thankyou very much in advance..
- This Site Might Help You. RE: What is the difference between LTCS and Carbon steel? Whats the difference in composition? When LTCS is used generally? Whats the temperature range, that these materials can be used? Is there any relation between Killed carbon steel, LTCS, stainless steel, carbon steel(normal)? How to categorise/classify these? Thankyou very much in advance..
- Q: What are the different methods of testing steel coils for quality control?
- Steel coils undergo various methods for quality control testing to ensure they meet the necessary specifications and standards. These methods encompass visual inspection, dimensional measurement, hardness testing, tensile strength testing, chemical analysis, coating thickness measurement, surface roughness measurement, ultrasonic testing, and magnetic particle inspection. Visual inspection is the most fundamental technique, involving a thorough examination of the coils for surface defects like scratches, dents, or irregularities. This method enables the identification of visible defects in the material. Dimensional measurement, on the other hand, utilizes tools such as calipers, micrometers, or laser measuring devices to evaluate the dimensions of the steel coils. The measurements are compared against specified tolerances to ensure they meet the required standards. To assess the resistance of the steel coils to indentation or penetration, hardness testing is performed. This examination helps evaluate the material's strength and durability. Common hardness testing methods include Rockwell, Brinell, and Vickers hardness tests. Tensile strength testing measures the maximum tensile stress a steel coil can endure before breaking or deforming. This test helps determine the material's strength, elasticity, and compliance with the required specifications. Chemical analysis is crucial in testing the composition of the steel coils to verify the presence of specific elements in the desired amounts. This ensures that the coils are made from the correct grade of steel and comply with the required chemical composition standards. In cases where the steel coils have a protective coating, it is vital to measure the thickness of the coating. Non-destructive testing methods like magnetic induction or eddy current testing are typically employed for this purpose. The coating thickness is compared against the specified requirements to ensure it provides adequate protection. Surface roughness testing evaluates the smoothness or roughness of the steel coil's surface using instruments like profilometers or roughness testers. This testing method guarantees that the coils meet the required surface finish standards. Ultrasonic testing utilizes high-frequency sound waves to detect internal defects like cracks, voids, or inclusions within the steel coils. This non-destructive testing method provides valuable information about the structural integrity of the coil. Magnetic particle inspection is employed to identify surface and near-surface defects in steel coils. By applying magnetic particles to the surface and detecting any magnetic leakage caused by defects using magnetic sensors, this technique effectively detects cracks and other surface abnormalities. By combining these testing methods, manufacturers ensure that the steel coils produced meet the necessary quality standards and are suitable for their intended applications.
- Q: What are the different types of steel coil leveling methods?
- There are several different steel coil leveling methods, including roller leveling, stretcher leveling, and temper leveling.
- Q: My boyfriend says he has balls of steel.
- Easy to test. Put a magnet near them. If they attract, then they're made of steel. I'd be willing to bet I'd know what will happen, though! I know you can get metal hip replacements but .........
- Q: How are steel coils inspected for quality assurance?
- Quality assurance for steel coils involves a rigorous process that includes various tests and checks to ensure their quality. Initially, a visual inspection is carried out to identify surface defects like scratches, dents, or rust, ensuring the coils are in good condition and free from obvious flaws. Afterward, a dimensional inspection is performed to verify the coils' dimensions and tolerances. This involves measuring their width, thickness, and length to ensure they meet the specified requirements. Any deviations from the standard dimensions are noted and addressed. Moreover, mechanical testing is conducted to assess the strength and durability of the steel coils. Tensile tests are performed to measure their strength and elasticity, while impact tests evaluate their ability to withstand sudden loads or shocks. Furthermore, chemical analysis is undertaken to determine the composition and purity of the steel. Samples are taken from the coils and analyzed in a laboratory to check for impurities or elements that could affect the quality. To comply with industry standards, non-destructive testing methods like ultrasonic testing or magnetic particle inspection may be used. These methods can detect internal defects or irregularities that may not be visible to the naked eye. Additionally, surface treatment inspections, such as galvanization or coating checks, may be performed to ensure the protective layers are applied correctly and meet the necessary specifications. In summary, the quality assurance process for steel coils includes visual, dimensional, mechanical, chemical, and non-destructive testing methods. These thorough inspections guarantee that the steel coils meet the required quality standards and are suitable for their intended applications.
- Q: I was wondering what kind of company casts and sells steel without acting as a contractor as well. They only sell steel no install it
- If you are talking about raw steel materials and products I believe you are talking about a steel processor and warehouse company or a steel distributor. There are many different points along the steel manufacturing process that you could buy steel products. It would depend on various factors. Depending the amount, type, grade, gauge, properties, origin and a host of other elements you could purchase the steel in billet, plate, diamond plate, rolled sheet (cold or hot), coil, beam, stamped, pickled, scrapped, etc. You get the idea. Now I don't know where you are in the world, but you can go to one of the two sites below, which I have used for product sourcing and research before. The last one is a major manufacturer that I have actually been to. I hope this helps.
- Q: How do steel coils contribute to the manufacturing of steel furniture?
- The manufacturing of steel furniture heavily relies on steel coils, which play a critical role. These coils, constructed from top-notch steel, act as the primary raw material for the production of various furniture items. To begin with, the framework and structure of steel furniture are created using steel coils. Manufacturers can easily cut, shape, and weld these coils into different sizes and shapes, allowing them to produce robust and enduring furniture frames. The flexibility of steel coils enables the production of furniture with intricate designs and distinctive shapes, providing both functional and aesthetic value. Additionally, steel coils are utilized to fabricate springs for furniture like sofas and chairs. The elasticity and strength of these steel coils make them ideal for crafting comfortable and supportive seating options. The coils are meticulously shaped and integrated into the furniture, ensuring that the seating surface offers the necessary resilience and flexibility for a comfortable experience. Moreover, steel coils contribute to the overall durability and longevity of steel furniture. Steel is renowned for its high tensile strength and resistance to wear and tear, making it an excellent choice for furniture subjected to heavy use and weight load. By utilizing steel coils, the furniture can endure years of regular use without compromising its structural integrity. Furthermore, steel coils are often treated with various finishes and coatings to enhance their appearance and protect them from corrosion. These coatings can be applied to the coils prior to shaping them into furniture components, guaranteeing that the final product maintains its aesthetic appeal and remains resistant to rust and other forms of damage. In conclusion, steel coils are a vital component in the manufacturing of steel furniture. They provide the necessary strength, flexibility, and durability required to create sturdy furniture frames, comfortable seating surfaces, and long-lasting products. The absence of steel coils would render the production of steel furniture impossible, compromising the quality and performance of the final products.
- Q: What are the different methods of surface cleaning for steel coils?
- There are several different methods available for surface cleaning of steel coils. The choice of method depends on the specific requirements and conditions. 1. Mechanical Cleaning: This method involves the use of mechanical tools such as wire brushes, sanding discs, or abrasive pads to physically remove dirt, rust, or other contaminants from the surface of the steel coils. It is commonly used for light cleaning and can be done manually or with the help of automated equipment. 2. Chemical Cleaning: Chemical cleaning involves the use of various cleaning agents or solvents to dissolve or loosen contaminants from the surface of steel coils. This method is effective for removing oil, grease, or stubborn dirt. Different chemicals can be used depending on the type of contaminants and the desired level of cleaning. It is important to follow safety guidelines and use appropriate protective equipment when using chemical cleaners. 3. Power Washing: Power washing or pressure washing utilizes a high-pressure water jet to remove loose particles, dirt, or contaminants from the surface of steel coils. This method is effective for large-scale cleaning and can be combined with chemical cleaners for enhanced results. It is important to adjust the water pressure according to the type of surface and use appropriate nozzles to prevent damage. 4. Pickling: Pickling is a chemical cleaning method that involves the immersion of steel coils in an acidic solution, typically a mixture of hydrochloric acid and sulfuric acid. This process removes scale, oxides, and other impurities from the surface of the steel. Pickling is commonly used for heavy-duty cleaning and preparation of steel coils before further processing or coating. 5. Electrolytic Cleaning: Electrolytic cleaning utilizes an electric current to remove contaminants from the surface of steel coils. The coils are immersed in an electrolyte solution, and the application of a direct current causes the contaminants to dissolve or dislodge from the surface. This method is particularly effective for removing rust or corrosion and can be used in conjunction with other cleaning methods. It is important to consider factors such as the type and condition of the steel coils, the level of cleanliness required, and any specific industry standards or regulations when choosing the appropriate method of surface cleaning. Regular maintenance and cleaning of steel coils are essential to ensure their longevity, performance, and resistance to corrosion.
- Q: What are the common coil edge options?
- The common coil edge options include open coil edges, closed coil edges, and double heat-treated coil edges.
- Q: What are the main raw materials used in making steel coils?
- The main raw materials used in making steel coils are iron ore, coal, and limestone.
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Cold Rolled Steel Coil for Roofing Sheet
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 12 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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