304、316L Stainless Steel Coil
Stainless steel coils are corrosion-resistant steel products primarily alloyed with chromium and nickel. Common types include austenitic, ferritic, martensitic, and duplex stainless steel cold-rolled and hot-rolled coils. Primarily produced through cold or hot rolling processes, they can feature a variety of finishes, including glossy, matte, and matte. They are widely used in the chemical, food, construction, and machinery manufacturing industries.
Product Introduction
In order to ensure that the mechanical properties such as yield strength, tensile strength, elongation and hardness of various stainless steel coils meet the requirements, stainless steel coils must undergo heat treatments such as annealing, solution treatment, and aging treatment before delivery. The corrosion resistance of stainless steel coils mainly depends on its alloy composition (chromium, nickel, titanium, silicon, aluminum, etc.) and the internal structure of stainless steel coils, and the main role is chromium. Chromium has high chemical stability and can form a passivation film on the steel surface to isolate the metal from the outside world, protect the steel coil from oxidation, and increase the corrosion resistance of the steel coil. After the passivation film is destroyed, the corrosion resistance decreases.
Stainless steel coils are widely used in chemical industry, food, medicine, papermaking, petroleum, atomic energy and other industries, as well as various parts of construction, kitchen utensils, tableware, vehicles, household appliances, etc.
Product Name | Stainless Steel Coil & strip |
Length | As required |
Width | 3mm-2000mm or as required |
Thickness | 0.1mm-300mm or as required |
Standard | AISI,ASTM,DIN,JIS,GB,JIS,SUS,EN,etc. |
Technique | Hot rolled / cold rolled |
Surface Treatment | 2B or according to customer requirement |
Thickness tolerance | ±0.01mm |
Material | 201, 202, 301, 302, 303, 304, 304L, 304H, 310S, 316, 316L, 317L, 321,310S 309S, 410, 410S,420, 430, 431, 440A,904L |
MOQ | 5 tons.We also can accept sample order. |
Stainless steel coil surface marks and corresponding features:
SURFACE | CHARACTERISTICS | SUMMARY OF MANUFACTURING METHOD | USE |
NO.1 | Silver | Hotrolled to specified thickness | No need for a glossy finish |
Matt | |||
NO.2D | Silver | Heat treatmentand picklingafter cold rolling | General materials, deep drawingmaterials |
NO.2B | Luster is stronger than No.2D | After NO.2D treatment the polishingrolleris used for the finalmild cold rolling | The general material |
BA | Brightas a mirror | Non - standard, butusuallybrightannealingsurface machining surface reflectivityis very high | Buildingmaterials, kitchenware |
NO.3N | Coarse grinding | Grind with 100-200# (unit grindingstrip) | Buildingmaterials, kitchenware |
NO.4N | Intermediategrinding | The polishedsurface obtainedby grindingwith 150-180# grindingstrip | Buildingmaterials, kitchenware |
NO.240 | Fine grinding | Grind with2408 grindingstrip | Kitchen utensils |
NO.320 | Very fine grinding | Grind with 320# grindingstrip | Kitchen utensils |
NO.400 | The gloss is close to BA | Grind with 400# polishingwheel | General timbec constructiontim bec kitchen utensils |
HL | Hairlinegrinding | Suitable particlematerials for hair texture grinding(150-240#) its grains are very large | Building buildingmaterial |
NO.7 | It's close to mirrorgrinding | Grind with 600# rotarypolishingwheel | For art or decoration |
8K | Mirror grinding | The mirroris ground witha polishingwheel | Reflector, decorative |
Application industries of stainless steel:
Stainless steel is widely used, from construction to automobiles, from transportation to storage, from industrial production to household appliances, basically covering all walks of life.
1. Automobile industry
The automotive industry is a relatively developed application field for stainless steel sheets. Using high-strength stainless steel plate as the raw material for the car body structure can greatly reduce the weight of the vehicle and enhance the strength of the overall structure of the vehicle. If the vehicle panel is made of stainless steel plate, it can effectively save maintenance costs. In addition, stainless steel sheets are used in the production of automotive exhaust systems due to their good resistance to chloride ion corrosion and heat resistance. European and American countries are using a large number of stainless steel plates as raw materials for automobile production.
2. Construction industry
The application of stainless steel coils in the field of construction has a long history and is widely used. In terms of construction and home decoration, stainless steel coils are often used in the exterior walls of high-rise buildings, indoor and outdoor columns. In addition, there are internal and external components such as handrails, elevator panels, doors and windows. In addition, the surface treatment of stainless steel plates is also very advantageous in the construction and home decoration industries, such as the coloring and coating of stainless steel plates, which can solve the problem of easy fingerprints after touching and improve the decorative aesthetics.
3. Home appliance business
In the household appliance industry, the consumption of stainless steel is also very large. For example, the inner cylinder of automatic washing machines, the inner tank of water heaters, the inner shell of microwave ovens, the lining of refrigerators, etc., which are common in our lives, are all made of stainless steel. Household appliances usually use ferritic stainless steel coils as raw materials.
4. Water industry
There is now increasing concern about the possible contamination of water during storage and transportation. Practice has shown that stainless steel coils are very suitable as raw materials for water industry equipment such as water production, storage, transportation, purification, regeneration, and seawater desalination. Its advantages are: corrosion resistance, shock resistance, water saving, sanitation (no rust and patina), light weight (1/3 reduction), less maintenance, long service life (can be used for 40 years), low life cycle cost (LCC), It is a recyclable green environmental protection material.
5. Industrial facilities
The proportion of stainless steel coils used in industrial facilities in developed countries can usually reach 15%-20%. Stainless steel coils are used in chemical, petrochemical, chemical fiber, papermaking, food, medicine, energy (nuclear power, thermal power, fuel cells) and other fields.
6. Environmental protection industry
Stainless steel coils are not only used in industrial production, but can also be used as raw materials for industrial waste gas treatment equipment, garbage treatment equipment, and sewage treatment equipment. In the flue gas desulfurization process, in order to resist the corrosion of sulfur dioxide, chloride ions and iron ions, it is necessary to use duplex stainless steel coils and high-grade austenitic stainless steel in the absorption tower, cooler, pump, valve, flue and other waste incinerators Coils, wastewater treatment and other facilities require high performance stainless steel coils.
FAQ
Q: About the price of the product
A: Due to the rise and fall of raw material prices, as well as factors such as the national power restriction policy, product prices will also fluctuate. Welcome to contact us to get the latest product price.
Q: Can you arrange shipment?
A: Of course, we have multiple warehouse locations as well as regular forwarders, and can get the best price from most shipping companies. Provide professional transportation services.
Q: How long will the delivery take?
A: Products that are in stock or only need simple processing, generally 5-15 days. If there is no stock, according to the required product quantity and the usual production time of this product, our professional sales staff will give you an approximate delivery time. According to past experience, in most cases, the delivery time will not exceed 45 days.
Q: What services do you provide?
A: 1. Provide samples, including conventional steel products and some customized steel structure products;
2. Support third-party product quality testing and provide various certificates
3. Provide pick-up and drop-off customer inspection service
4. Provide customized steel structure service
5. Provide simple steel processing, such as cutting, drilling, galvanizing, polishing and other services
6. Provide one-stop service, from product production to product transportation.
7. Provide 24 hours online service
