Stainless steel cold rolled coil for construction
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 m.t.
- Supply Capability:
- 800 m.t./month
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Product: | competitive price astm ss304 cold rolled stainless steel roll coil for construction |
Grade: | 304 |
Standard: | ASTM,AISI,JIS,EN,DIN,GB |
Surface: | 2b |
Thickness: | cold rolled:0.3mm-6mm,hot rolled:3-100mm |
Width: | 1000mm/1219mm/1250mm/1500mm/1524mm/1829mm/2000mm, or as customer’s requires. |
Length: | As customer’s requires. |
Edge: | Slit/Mill Edge |
Origin: | TISCO,POSCO,LISCO,JISCO,BAOSTEEL,BAOXIN,Eastern Special Steel etc |
Productivity: | 800MT/Month |
MOQ: | 1 Ton |
Payment Term: | 30%T/T in advance ,the balance against the B/L copy 30%T/T in advance ,the balance against the L/C at sight 100%L/C at sight
|
Price Term: | FOB/CFR/CIF |
Delivery: | 10 days after received the deposit of T/T 10 days after received the deposit of L/C original |
Packaging: | standard export packing |
Application: | Plate heat exchanger, bellows, household goods (1,2 tableware, cabinets, indoor pipes, water heaters, boilers, bath), auto parts (windshield wipers, muffler, moldings), medical equipment, building materials, chemical, food industry , agriculture, ship parts, and so on. |
Chemical composition&Mechanical properties
| Chemical composition: | ||||||
| C | Si | Mn | Cr | Ni | S | P |
| ≤0.07 | ≤1.0 | ≤2.0 | 17.0~19.0 | 8.0~11.0 | ≤0.03 | ≤0.035 |
| mechanical properties: | ||||||
| Tensile strength σb(MPa) | Conditions yield strength σ0.2 (MPa) | Elongation δ5 (%) | Section shrinkage ψ(%) | Hardness: | ||
| ≥ 520 | ≥ 205 | ≥ 40 | ≥ 60 | ≤ 187HB; ≤ 90HRB; ≤ 200HV | ||
- Q:How are steel coils used in the production of metal roofing?
- Steel coils are used in the production of metal roofing by being fed through a series of machines that shape, cut, and coat the steel to create the final roofing product. The coils are uncoiled and flattened, then formed into the desired profile using roll forming machines. The formed sheets are then cut into specific lengths and coated with protective layers to enhance durability and corrosion resistance. These coated steel sheets are then packaged and shipped to construction sites for installation as metal roofing.
- Q:How are steel coils protected against moisture and humidity?
- Steel coils are protected against moisture and humidity through a variety of methods. One common method is the application of a protective coating on the surface of the steel. This coating acts as a barrier, preventing moisture from coming into direct contact with the steel surface. Coatings can be made of various materials such as paint, zinc, or other corrosion-resistant substances. In addition to coatings, steel coils are often wrapped in a moisture-resistant material such as plastic or waxed paper. This wrapping provides an extra layer of protection, preventing moisture from seeping into the coils during storage or transportation. Furthermore, steel coils are typically stored in a controlled environment with controlled humidity levels. This helps to minimize the chances of moisture condensation on the surface of the coils. Storage facilities may also utilize dehumidifiers or other moisture control measures to maintain optimal conditions. Lastly, proper handling and transportation practices are crucial in ensuring the protection of steel coils against moisture and humidity. Special care is taken to avoid exposing the coils to rain or excessive humidity during loading, unloading, and transportation processes. By employing these various protective measures, steel coils can be effectively safeguarded against moisture and humidity, reducing the risk of corrosion and maintaining their quality and integrity.
- Q:How are steel coils protected from extreme weather conditions?
- Steel coils are typically protected from extreme weather conditions using various methods such as covering them with waterproof wraps, storing them in climate-controlled warehouses, or applying anti-corrosion coatings. These measures ensure that the coils are shielded from moisture, temperature fluctuations, and other environmental factors that could potentially damage or degrade the steel.
- Q:What's the difference between hot rolled coil and hot-rolled carbon thin steel coil?
- Hot rolled coil is used for continuous casting slab or as raw material, after reheating furnace heating, descaling into the roughing mill of high pressure water, roughing material by cutting head, tail, and then enter the finishing mill, the implementation of the computer controlled rolling, after finishing through the laminar cooling (computer controlled cooling rate and coiling) reel, a straight hair volume. Hair straightenerrollhead, tail tongue shapeand thefishtail shape, thickness, width of poor accuracy, edgehaswavy, folding, tower and other defects. The volume is heavy. (general management industry likes to use. )
- Q:What are the different methods of surface inspection for steel coils?
- There are several different methods of surface inspection for steel coils, each with its own advantages and limitations. Some of the most commonly used methods include: 1. Visual Inspection: This is the simplest and most basic method, where an inspector visually examines the surface of the steel coils for any defects such as scratches, dents, or discoloration. While this method is subjective and dependent on the skill and experience of the inspector, it can be a cost-effective option for detecting obvious surface defects. 2. Magnetic Particle Inspection (MPI): This method involves applying a magnetic field to the steel coil and then applying iron particles on the surface. Any defects or cracks in the surface will disrupt the magnetic field, causing the particles to gather at those areas and making the defects visible. MPI is particularly useful for detecting surface cracks and defects that may not be easily visible to the naked eye. 3. Eddy Current Testing (ECT): ECT is a non-destructive testing method that uses electromagnetic induction to detect surface defects on steel coils. A probe with a coil is placed near the surface of the coil, generating an alternating magnetic field. Any changes in the electrical conductivity or magnetic permeability of the steel due to surface defects will cause a change in the induced current, which can be detected and analyzed. ECT is effective for detecting cracks, corrosion, or other surface irregularities. 4. Ultrasonic Testing (UT): This method uses high-frequency sound waves to inspect the surface and subsurface of steel coils. A transducer sends ultrasonic waves into the steel, and the reflected waves are analyzed to detect any changes or anomalies in the material. UT can identify defects such as cracks, delaminations, or voids within the coil, providing valuable information about the overall structural integrity of the steel. 5. Optical Inspection: This method utilizes advanced imaging techniques, such as cameras or laser scanners, to capture high-resolution images of the surface of steel coils. These images can be analyzed for defects, such as scratches, pits, or other irregularities. Optical inspection can provide detailed information and is often used in conjunction with other methods for a comprehensive inspection. It is important to note that each method has its own limitations and may be better suited for specific types of defects or surface conditions. Therefore, a combination of these methods is often employed to ensure a thorough and accurate inspection of steel coils.
- Q:How do steel coils contribute to energy efficiency in transportation?
- Steel coils contribute to energy efficiency in transportation in several ways. Firstly, steel coils are lightweight and have a high strength-to-weight ratio. This means that less steel material is required to carry the same load compared to other materials, such as wood or concrete. As a result, the overall weight of the transport vehicle is reduced, which leads to lower fuel consumption and emissions. Secondly, steel coils are highly durable and can withstand harsh conditions during transportation. They have excellent resistance to corrosion, impact, and fatigue, ensuring a longer lifespan for the transport vehicle. This durability reduces the need for frequent repairs or replacements, resulting in reduced energy consumption and material waste. Furthermore, steel coils are easy to handle and transport. They can be easily loaded and unloaded from trucks, trains, or ships due to their compact and standardized size. This efficiency in handling reduces the time and energy required for loading and unloading operations, thereby increasing overall transportation efficiency. Additionally, steel coils can be efficiently stacked and stored, maximizing the use of available space in transport vehicles. This reduces the number of trips required to transport the same amount of goods, resulting in less energy consumption and lower transportation costs. Lastly, steel is a highly recyclable material. At the end of their life cycle, steel coils can be easily recycled and used to produce new steel products. This reduces the demand for raw materials and the energy required for manufacturing new products, contributing to overall energy efficiency in transportation. In conclusion, steel coils contribute to energy efficiency in transportation through their lightweight, durable, easy-to-handle, and recyclable nature. These characteristics result in reduced fuel consumption, lower emissions, decreased maintenance needs, efficient use of space, and reduced material waste, all leading to a more sustainable and energy-efficient transportation system.
- Q:Bronze came before steel, right? thanks
- Bronze The earliest surviving iron artifacts, from the 5th millennium BC in Iran and 2nd millennium BC in China, were made from meteoric iron-nickel. By the end of the 2nd millennium BC iron was being produced from iron ores from South of the Saharan Africa to China. Steel (with a smaller carbon content than pig iron but more than wrought iron) was first produced in antiquity. New methods of producing it by carburizing bars of iron in the cementation process were devised in the 17th century. In the Industrial Revolution, new methods of producing bar iron without charcoal were devised and these were later applied to produce steel. In the late 1850s, Henry Bessemer invented a new steelmaking process, involving blowing air through molten pig iron, to produce mild steel. This and other 19th century and later processes have led to wrought iron no longer being produced. The earliest tin-alloy bronzes date to the late 4th millennium BC in Susa (Iran) and some ancient sites in China, Luristan (Iran) and Mesopotamia (Iraq).
- Q:How are steel coils used in the manufacturing of automotive exhaust systems?
- Steel coils are used in the manufacturing of automotive exhaust systems as they provide the necessary strength and durability required for this critical component. These coils are typically shaped and formed into various parts such as pipes, mufflers, and catalytic converters, which are then welded together to create the exhaust system. The steel coils also undergo additional processes like coating or galvanizing to enhance corrosion resistance, ensuring the longevity of the exhaust system.
- Q:Classify the following in as many ways as possible:stainless steelpureheterogeneous mixturehomogeneous mixturenone of these
- homogeneous mixture
- Q:What are the different types of steel coils?
- There are several different types of steel coils, including hot-rolled coils, cold-rolled coils, galvanized coils, and stainless steel coils.
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Stainless steel cold rolled coil for construction
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 m.t.
- Supply Capability:
- 800 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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