cold rolled steel coil with competetive price

cold rolled steel coil with competetive price

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 1000 m.t.

Supply Capability:: 10000 m.t./month

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Quick Details

Standard: ASTM, DIN, GB
Steel Grade: Q235B
Place of Origin: Hebei, China (Mainland)
Technique: Hot Rolled
Surface Treatment: Polished
Technique: Cold Rolled
Surface Treatment: Coated

Packaging & Delivery

Packaging Details:	in bundle
Delivery Detail:	25 days after receiving the deposit

Specifications

Hot rolled sheet in coil: Specification 2.0mm-15.5mm;
Material: Q235, SS400, SPHC, 16Mn, 16MnR, 20G, 65Mn.

Sales of the steel products
1. Steel pipes
(1) Seamless steel pipe: material 20#, 45#, 16Mn; Specification dia:57mm-dia:630mm.
(2) High-frequency welded pipe: material Q235A/B; Specification dia:15mm-dia:159mm.
(3) Galvanized pipe: material Q235A/B; Specification dia:15mm-dia:80mm.
(4) Stainless steel pipe: material 304, 316, 321, 430; Specification dia:15mm-dia:159mm.
(5) Cast iron pipe: material is spherulitic graphite cast iron, 18#, 22# pig iron.
2. Steel plate
(1) Cold rolled sheet in coil, cold rolled sheet in box: Specification 0.4mm-3.0mm; Material: ST12, SS400, SPHC.
(2) Hot rolled sheet in coil: Specification 2.0mm-15.5mm;
Material: Q235, SS400, SPHC, 16Mn, 16MnR, 20G, 65Mn.
(3) Medium plate: Specification 8.0mm-100mm; Material Q235, 65Mn, 16MnL.
(4) Galvanized sheet: Specification 0.4mm-3.0mm
(5) Stainless steel sheet: Specification 0.3mm-2.0mm; Material 304, 316, 321, 430.

Q: I was reading about the Colt 38 Super Custom and it said it's optional between a carbon steel frame or a stainless steel frame. What is the difference? There is also a choice between aluminium or stainless steel hammers and triggers can you also tell me the difference between them please?: stronger Carbon Steel or Stainless Steel

Q: I asked a question last week about stainless steel and got some great answers. I combed all over the internet to try to figure this one out but could not find anything. What resists bending better: chrome vanadium steel (i.e. a steel commonly used to make tools) or stainless steel 304. My guess would be the chrome vanadium alloy but thats just a guess. Which on resist's bending better and by how much (#'s please :-)). Also, if anyone knows if chrome vanadium steel is cheaper than stainless steel 304 that would be awesome? I can't find a price per pound on chrome vanadium steel anywhere! Please help. Thanks in advance-Josh: Type 304 stainless steel can be tempered to give tensile strength up to about 125,000 psi. There are many chrome vanadium alloys, and tempers, but they are generally very hard steels used for machine tools which are used to cut other steels. They generally are much stronger, and can be hardened up to tensile strengths of 250,000 psi and beyond. (Bending strength is proportional to tensile strength, but Cr-V steels are not usually used for beams or other structure members.) Cr-V steels are specialty alloys and will probably be a good bit more expensive per pound than common stainless alloys. For any steel, price depends on the form you are buying, i.e. plate, bar, or other shape, as well as the alloy and temper specified, and the quantity. You need to get prices from a supplier. You can find some online catalogs, but you usually have to call the vendor for price info.

Q: How are steel coils used in the production of roofing systems?: Steel coils are used in the production of roofing systems in various ways. Firstly, the steel coils are unrolled and fed into a machine where they are cut to the desired length for the roofing panels. These coils are often made of galvanized steel, which is coated with a layer of zinc to protect against rust and corrosion. Once the coils are cut, they are then passed through a roll-forming machine. This machine shapes the steel into the required profile for the roofing panels. The shape of the panels can vary depending on the design and functionality of the roofing system. After the steel is formed, it may undergo further processes such as embossing or stamping to add texture or patterns to the panels. This helps to enhance the aesthetics of the roofing system and provide a unique look. The formed and processed steel panels are then coated with additional protective layers or finishes, such as paint or polymer coatings. These coatings further enhance the durability of the roofing system and provide resistance against weather elements, UV rays, and corrosion. The final step in the production of roofing systems involves the installation of the steel panels on the roof. The panels are typically fastened to the roof structure using screws or nails. The interlocking design of the panels ensures a secure and watertight installation, providing protection against leaks and moisture infiltration. Overall, steel coils play a crucial role in the production of roofing systems by providing a durable and long-lasting material that can withstand harsh environmental conditions. The versatility of steel allows for various design options and customization, making it a popular choice for roofing applications.

Q: What is the lifespan of coated steel coils?: The lifespan of coated steel coils may differ based on various factors, including the coating type and quality, the environmental conditions they face, and the care and maintenance provided. Typically, high-quality coated steel coils can last 25 to 50 years or longer. However, it is important to note that this estimate is not definitive and the actual lifespan may vary. To significantly extend the lifespan of coated steel coils, it is essential to conduct regular inspections, ensure proper installation, and perform timely maintenance. Moreover, exposure to severe weather, corrosive environments, and improper handling can potentially shorten the lifespan. Consulting with manufacturers or industry experts is recommended to determine the most suitable coating and expected lifespan for specific applications.

Q: How are steel coils used in the production of oil and gas pipelines?: Steel coils are used in the production of oil and gas pipelines as they serve as the primary material for constructing the pipes. These coils are formed into tubes and welded together to create a continuous pipeline that can transport oil and gas over long distances. The steel coils provide strength, durability, and corrosion resistance to withstand the harsh conditions of oil and gas transportation, ensuring the safe and efficient delivery of these resources.

Q: What is the average lifespan of a steel coil storage rack?: The average lifespan of a steel coil storage rack can vary depending on various factors such as the quality of the rack, the frequency and intensity of use, and proper maintenance. However, on average, a well-maintained and properly used steel coil storage rack can last between 10 to 20 years.

Q: I have been thinking of buying a knife that says it has damascus steel. The reason for the question is that many people told me that damascus steel does not exist anymore, and that damascus nowadays is fake. Is this true???: Well, it depends on what you call fake. Modern Damascus steel is perhaps similar, but it is not what people would call Damascus steel in 1500. It is made to look similar, but structurally it is different. For the most part the specific way of making Damascus steel is lost to history.

Q: I am getting a barn soon and I was debating between wood, and steel. I think steel would look nicer [painted of course] and I was wondering which is cheaper. Any extra info would be great. Thanks x: steel would be cheeper and last longer

Q: What are the different surface treatments for steel coils?: Steel coils can undergo various surface treatments to achieve different outcomes and applications. Some commonly used treatments include: 1. Hot-dip galvanizing: Steel coils are immersed in molten zinc, which forms a protective layer on the surface. This treatment provides excellent corrosion resistance for outdoor use. 2. Electro-galvanizing: A thin layer of zinc is electroplated onto the steel coils. It offers good corrosion resistance and is suitable for indoor applications. 3. Powder coating: Dry powder is applied to the surface and heated to form a durable coating. It provides excellent corrosion resistance and comes in different colors and finishes. 4. Paint coating: Steel coils can be coated with liquid paint, offering both corrosion resistance and aesthetic appeal. The thickness and finish can be customized according to the desired look and level of protection. 5. Phosphating: Steel coils are immersed in a phosphate solution, creating a thin layer that enhances paint adhesion and improves corrosion resistance. 6. Chromate conversion coating: Steel coils are immersed in a solution containing chromium salts, providing excellent corrosion resistance and acting as a primer for subsequent paint or powder coating. 7. Zinc-nickel plating: A layer of zinc-nickel alloy is electroplated onto the steel coils, offering superior corrosion resistance compared to pure zinc plating and is suitable for demanding environments. These are just a few examples of the many available surface treatments for steel coils. The choice depends on factors such as application, desired corrosion resistance, aesthetic requirements, and budget. It is important to carefully consider project needs and consult with experts to determine the most suitable treatment.

Q: What are the dimensions of steel coils used in the metal container industry?: The dimensions of steel coils used in the metal container industry can vary depending on the specific requirements of the industry and the type of container being produced. However, typical dimensions for steel coils used in this industry range from 0.3mm to 3mm in thickness and 600mm to 2000mm in width. The coils are typically wound in a continuous spiral shape, with diameters ranging from 600mm to 1500mm. These dimensions allow for efficient production and handling of the steel coils during the manufacturing process of metal containers.

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