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Stainless Steel Coil

Why Choose Us stainless steel?

One stop solution

Our customer team is highly skilled, motivated and always ready. No matter if you are following up on an order, looking for advice or looking for a bespoke quotation, our team is here to help.

Custom service

With our manufacturing and design capability, it allows us to not only offer standard products, but also products based on customers’ own specific designs.

 

High quality

As evidence of this quality, we’ve been awarded third-party accreditations including ISO 9001-2015 and EN-1090-2. These independently verify our technical expertise and confirm that we meet standards set by respected regulatory bodies.

Design

Our design engineers have more than 25 years of experience designing and building molds that offer innovative solutions to complex design challenges.

 

 

What is a stainless Steel Coil?

Stainless Steel Coils are one of the most demanded raw materials to construct buildings and manufacturing industries. In years Stainless steel coils have been widely employed in the manufacturing of anything from household appliances to industrial equipment due to their particular mechanical and physical qualities. They are sturdy, corrosion-resistant, light in weight, and need little maintenance. They are also adaptable and easily fit the requirements of a variety of design standards.

 

First 12 Last 1/2
 
Benefits of stainless Steel Coil
 
01/

Corrosion resistance
Stainless steel coil exhibits exceptional corrosion resistance, making it highly suitable for environments exposed to moisture, chemicals, and various weather conditions. This is attributed to the formation of a passive layer on the surface of stainless steel, primarily composed of chromium oxide. This protective layer acts as a barrier, preventing the underlying metal from coming into contact with corrosive agents.

02/

Strength and durability
One of the remarkable characteristics of stainless steel coil is its impressive strength-to-weight ratio. Despite being lightweight, stainless steel coil exhibits excellent strength and structural integrity, enabling it to withstand heavy loads, extreme temperatures, and mechanical stresses. Its inherent strength ensures the longevity and safety of the products and structures in which it is incorporated.

03/

Hygiene and cleanliness
Stainless steel coil is known for its hygienic properties and ease of cleaning, making it highly suitable for industries with strict cleanliness requirements. Its smooth and non-porous surface inhibits the growth of bacteria, making it a popular choice in healthcare facilities, pharmaceutical laboratories, and food processing plants.

04/

Safe
Since they don’t contain any toxins as some other metals do, you can use one of these vape pens without worrying about inhaling any dangerous materials.Reasonably priced since they are manufactured of a sturdy substance, they will last longer than other vape pens available, allowing you to save more money over time.

05/

Sustainability and recyclability
Stainless steel coil is an environmentally friendly material with high sustainability credentials. It is fully recyclable, meaning that it can be melted down and repurposed without any loss in its inherent properties. This recyclability contributes to the reduction of waste and the conservation of natural resources. Furthermore, stainless steel coil’s longevity and durability minimize the need for frequent replacements, resulting in fewer resources being consumed over time.

06/

Cost effectiveness
Stainless steel coil offers long-term cost benefits due to its durability and low maintenance requirements. Stainless steel coil requires minimal maintenance, as it does not require painting or coatings to maintain its protective properties. The initial investment in stainless steel coil is often offset by the long-term cost savings, making it a cost-effective choice for industries seeking durable and low-maintenance materials.

Types of stainless Steel Coil

Hot rolled steel coil

Made from semi-finished products, these steel coils are rolled, annealed, and reduced to a certain thickness and rolled into coils. This type of steel coil is used in manufacturing pipes, steel doors and tanks and can be further processed into cold rolled steel. Hot-dip galvanised steel coils are also available with a pure zinc coating that offers economy, strength and formability. Hot-dip galvanised steel is used in building roofs, doors, windows, roller shutter doors and electric equipment.

Cold rolled steel coil

Made by ‘pickling’ hot rolled plate in a weak acid solution to remove rust, it involves cleaning, brushing, drying, oiling, uncoiling, and cold rolling. It is then wound into coils after passing it through a size reduction machine. A higher finished product cold rolled steel coils has a smoother surface, higher dimensional accuracy and bigger strength. Cold rolled steel coil finds maximum use in the automotive industry. It may be mentioned that stainless steel differs from carbon steel in its chromium and nickel content.

201 Stainless Steel Coil
304l Stainless Steel Coil

Carbon coil

Apart from carbon, carbon coil has small quantities of silicon, manganese, sulfur and phosphorus. It is good for second grade applications and comes in a variety of grades and thicknesses.

Galvanised coil

The process of making galvanised coil is by hot-dipping or electrolytic deposition of hot or cold rolled sheet in zinc. It helps resist corrosion and is used in the automotive industry or in roofing.

Material of stainless Steel Coil
1

Austenitic stainless steel

This material is the most commonly used in stainless steel coils. It is a type of steel that contains a high amount of chromium and nickel, which makes it strong and resistant to corrosion.

2

Ferritic stainless steel

This material contains a high amount of chromium but no nickel, making it less expensive than austenitic stainless steel. It is also less resistant to corrosion.

3

Duplex stainless steel

This material is a combination of both austenitic and ferritic stainless steel. It is known for its high strength and resistance to corrosion.

4

Martensitic stainless steel

This material is strong and hard, but less resistant to corrosion than austenitic stainless steel. It contains a high amount of carbon.

 

Application of stainless Steel Coil
 

Manufacturing

Stainless steel coil is used in various manufacturing industries to make a wide range of products, such as kitchen appliances, automotive parts, medical instruments, and construction materials.

 

Architecture and construction

Stainless steel coil is used to make durable and corrosion-resistant architectural and construction materials, such as roofing, siding, and structural components.

 

Food processing and storage

Stainless steel coil is an excellent material for food processing and storage equipment, such as tanks, vats, and conveyor belts. It is resistant to corrosion, staining, and bacteria growth, which makes it a popular choice for the food industry.

 

Oil and gas industry

Stainless steel coil is used in the oil and gas industry to make pipes, valves, and other equipment that can withstand high temperatures, pressures, and corrosive environments.

 

Transportation

Stainless steel coil is used in the transportation industry to make various components, such as exhaust systems, fuel tanks, and brake systems. It is also used in the manufacturing of aircraft and aerospace components.

 

Water supply industry

In the process of water pollution, its storage and transportation are more and more concerned. A large number of practices have proved that stainless steel coil preparation, storage, transportation, water purification and regeneration, such as desalination industry better choice.

Stainless Steel Coil Craftsmanship

 

 

316l Coil

1.Melting

In the melting process, raw materials are melted in a furnace at high temperatures. Stainless steel is made up of different materials, including carbon, chromium, and nickel, which are melted together to form stainless steel.

2.Casting

The liquid metal is cast into slabs or billets, which are then rolled into thin sheets.

3.Annealing

The annealing process involves heat-treating the steel to increase its ductility and remove any internal stress. The steel is heated to a specific temperature and then cooled slowly.

4.Hot rolling

The steel is passed through multiple rollers at high temperatures to reduce its thickness and shape it into the desired form.

5.Cold rolling

The cold-rolling process involves passing the steel through multiple rollers at room temperature to further reduce its thickness and improve its surface finish.

6.Finishing

The final step involves cleaning, cutting, and packaging the steel coils for shipping and distribution.

How to maintain stainless Steel Coil

 

 

Regular cleaning

Regular cleaning of stainless steel coils to remove dust, dirt and other pollutants on the surface can maintain the beauty and corrosion resistance of the surface.

Prevent collisions

During transportation and use, stainless steel coils should be careful to avoid mechanical damage such as collisions and scratches to maintain the smoothness and integrity of their surfaces.

Prevent chemical corrosion

During use, contact with chemicals such as acids and alkalis should be avoided to avoid chemical corrosion on the surface of the steel coil.

Apply protective agent regularly

Applying a layer of protective agent on the surface of stainless steel coils can effectively prevent corrosion and pollution on the surface and extend its service life.

Polish the coils

If you want to restore the shine and luster of your stainless steel coils, you can polish them using a specialized stainless steel cleaner or polish. Apply the polish to a clean, dry microfiber cloth and massage it in a circular motion over the coils' surface. Remove any excess polish with a clean, dry microfiber towel.

Regular inspection and maintenance

Regularly check the corrosion and damage on the surface of the steel coil, and perform timely repair and replacement to avoid further damage.

What are the stainless steel raw material

Step 1
The raw material used to produce stainless steel is primarily iron ore, which is mined from the earth's crust. Iron ore is abundant and can be found in many parts of the world. Once the iron ore is extracted, it undergoes a series of physical and chemical processes to remove impurities and extract the iron content. This process is known as iron ore beneficiation.

Step 2
After the iron ore is purified, it is converted into iron through a process called smelting. Smelting involves heating the iron ore with coke (a form of carbon) in a blast furnace. The intense heat causes the iron ore to melt and react with carbon, resulting in the formation of liquid iron. At this stage, the iron is still impure and contains various impurities such as sulfur, phosphorus, and silicon.

Step 3
To remove these impurities and impart the desired properties to the iron, it is further processed in a basic oxygen furnace or an electric arc furnace. These furnaces use various agents and techniques to eliminate impurities and control the composition of the iron. The end result is a high-quality iron known as steel.

Step 4
Now comes the crucial step in making stainless steel - adding chromium. Stainless steel is primarily made by adding chromium to the steel alloy. Chromium is obtained from a mineral called chromite, which is found in abundance in certain parts of the world. The chromite ore is mined, processed, and converted into chromium metal through various chemical processes.

Step 5
Once the chromium is obtained, it is added to the molten steel in precise quantities to achieve the desired stainless steel grade. The chromium forms a protective layer on the surface of the steel, known as the passive layer. This passive layer prevents corrosion and gives stainless steel its unique corrosion resistance.

Step 6
Apart from iron and chromium, stainless steel may also contain other elements such as nickel, molybdenum, and titanium, depending on the specific requirements of the steel grade. These additional elements impart different properties to the stainless steel, such as increased strength, improved formability, or enhanced resistance to high temperatures. 

How to Choose Stainless Steel Coil
 
1

Grade of Stainless Steel
Stainless steel is available in different grades, each with its unique properties and characteristics. The most commonly used grades are 304 and 316, which offer excellent corrosion resistance. Depending on the intended application, ensure you select the appropriate grade that suits your specific requirements.

2

Thickness and Width
The thickness and width of the stainless steel coil will determine its strength and flexibility. Thicker coils are typically more robust and suitable for heavy-duty applications, while thinner coils are more flexible and suitable for intricate designs. Additionally, consider the width of the coil based on the dimensions of your project to ensure an optimal fit.

3

Surface Finish
Stainless steel coils come in various surface finishes, such as mirror, brushed, or matte. The choice of surface finish depends on the desired aesthetic appeal and the application requirements. For instance, a mirror finish is ideal for decorative purposes, while a brushed finish provides a more industrial look.

4

Coil Coating
Coating the stainless steel coil can enhance its corrosion resistance and durability. Common coating materials include PVC, PE, and PVDF. PVC coating offers basic protection against scratches, while PE and PVDF coatings provide better resistance to chemicals, UV rays, and abrasion. Consider the environmental conditions and exposure of the coil when selecting a suitable coating.

5

Quality Certifications
Ensure that the stainless steel coil you choose meets the necessary quality standards and certifications. Look for certifications such as ISO 9001 and ASTM to ensure the coil has been tested and meets the required industry standards. Quality certifications ensure that the coil will perform well in its intended application.

6

Supplier Reputation
Choose a reputable supplier with a track record of delivering high-quality stainless steel coils. Consider factors such as their industry experience, customer reviews, and after-sales service. A reliable supplier will provide you with technical support, guidance, and assistance throughout the purchase process.

7

Price and Budget
While considering all the above factors, it's crucial to keep your budget in mind. Stainless steel coils can vary in price based on their grade, thickness, width, and other specifications. Set a realistic budget and compare prices from different suppliers to find the best value for your money without compromising on quality.

Our Factory
 

With a vast stock holding of stainless steel sheets, coils, strips, tubes, and bars, we have a wide range of products readily available to meet your immediate needs. Our comprehensive inventory ensures quick access to the materials you require. 

productcate-1048-380

 

Frequently Asked Questions stainless Steel Coil
 

Q: What are the features of stainless steel coils?

A: Features of 201 stainless steel coils
High strength and hardness in the annealed condition.
Good corrosion resistance in the annealed condition.
Good resistance to pitting and crevice corrosion in nitric acid solutions below 60% concentration at room temperature (1-3 hours).

Q: What is stainless steel raw material?

A: Answer: The raw material of stainless steel is an alloy material with corrosion resistance. The main components are iron, chromium, nickel and other elements. It has excellent corrosion resistance, high temperature resistance, oxidation resistance, and wear resistance.

Q: Are there any precautions in the use of stainless steel raw materials?

A: Answer: When using stainless steel raw materials, care should be taken to avoid contact with strong corrosive chemicals such as sulfuric acid and hydrochloric acid, and at the same time, attention should be paid to avoid problems such as oxidation and decarburization during high-temperature heat treatment.

Q: What is a stainless steel coil?

A: A stainless steel coil is a long strip of metal that has been formed into a coil shape. It is commonly used in industries such as automotive, construction, and appliance manufacturing. Stainless steel coils are a popular choice because they offer durability and strength, while being resistant to corrosion and rust. They are also a low-cost option compared to other types of steel. The main components of stainless steel coils are chromium and nickel. The ratio of chromium to nickel determines the grade and quality of the material. Other elements, such as molybdenum, can be added to improve the resistance to corrosion. The combination of these materials provides the benefits of high strength, durability, and corrosion resistance. Stainless steel coils can be used for a variety of applications including tubing, pipes, valves, and kitchen equipment. It is also commonly used in manufacturing tools and other components for industrial use.

Q: What's the difference between stainless steel sheet and stainless steel coil?

A: Stainless steel sheets and stainless steel coils are both forms of flat-rolled metal products made from stainless steel. The primary difference between them lies in their shape, size, and the manufacturing process.
1.Stainless Steel Sheet:
①Shape: Stainless steel sheets are flat, rectangular pieces of stainless steel. They come in various sizes and thicknesses, and their dimensions are typically specified in terms of length and width.
②Manufacturing: Stainless steel sheets are typically produced by cold rolling or hot rolling stainless steel. Cold-rolled sheets are smoother and have tighter tolerances, while hot-rolled sheets may have a slightly rougher surface.
③Common Uses: Stainless steel sheets find application in a wide range of industries, including construction, automotive, kitchen appliances, and general fabrication. They can be cut and formed into specific shapes for various purposes.
 
2.Stainless Steel Coil:
①Shape: Stainless steel coils are long, continuous rolls of stainless steel. They are wound into a coil shape and can be quite large in diameter.
②Manufacturing: Stainless steel coils are typically produced by a continuous process called hot rolling. In this process, a stainless steel slab is heated and passed through rolling mills to reduce its thickness, resulting in a long coil.
③Processing: Coils can be further processed into sheets or other forms by cutting or other fabrication methods. They are often processed based on the specific requirements of the end-user.
④Common Uses: Stainless steel coils are commonly used by manufacturers who require a continuous supply of material for their production processes. Coils are particularly efficient for high-volume manufacturing.
 
3.Key Differences:
①Shape and Size: Sheets are flat and come in specified lengths and widths, while coils are continuous rolls of material wound into a coil shape.
②Manufacturing Process: Sheets can be produced by both cold rolling and hot rolling, while coils are typically produced by hot rolling.
③Applications: Sheets are often used for smaller projects or where specific sizes are needed, while coils are more suitable for continuous manufacturing processes where a constant supply of material is required.

Q: What is a stainless steel coil, and what are its prominent features?

A: The phrase 'coil' refers to when wire is rolled up into the shape requested by the client, however this term, which is extensively used in the steel industry to describe a roll of steel, is vague and can be confusing.
 
Stainless steel is first made in slabs, which are then converted to coils using a Z mill before being further rolled. Mill edge coils are wide coils that are normally produced at roughly 1250mm (sometimes a little wider).
 
Steel coils are utilized in a variety of industries, including power plants, ships, and roof panels. Stainless steel Coils contain the highest carbon content, 18% chromium content, and 8% nickel content, and the compound production of loops gives him an exceptional brand as well as all the necessary strength and properties for current applications. The tempered steel loops are more resistant to consumption than other iron-based amalgams. There are some good stainless steel coil suppliers that supply good quality of stainless steel coils.

Q: How would you describe the stainless steel coil?

A: A stainless steel coil is a continuous, long, and flat-rolled sheet or strip of stainless steel that is wound into a coiled shape. Stainless steel coils are a common product in the stainless steel industry and are used for various applications in manufacturing, construction, and other sectors. Here is a description of stainless steel coils:
1. Material: Stainless steel coils are made from stainless steel, which is an alloy primarily composed of iron, with chromium as the main alloying element. The specific stainless steel grade and composition can vary depending on the intended application.
2. Form: Stainless steel coils are typically produced in a hot-rolled or cold-rolled form. Hot-rolled coils are formed at high temperatures, while cold-rolled coils are rolled at room temperature, resulting in different surface finishes and mechanical properties.
3. Dimensions: Stainless steel coils come in various sizes and thicknesses, with widths ranging from a few inches to several feet, and thicknesses ranging from very thin foils to thicker sheets. The specific dimensions depend on the manufacturer and the customer's requirements.
4. Surface Finish: The surface finish of stainless steel coils can vary, including options like a bright or polished finish, a matte finish, or a patterned finish, depending on the intended use.
5. Coiling: Stainless steel coils are tightly wound into a coil shape, usually with a specific inner diameter, outer diameter, and weight. The coiling process allows for efficient storage, transportation, and handling.
6. Applications: Stainless steel coils are used in a wide range of applications, including but not limited to:
- Manufacturing of stainless steel sheets, plates, and strips
- Production of stainless steel tubing and pipes
- Construction, architectural, and interior design projects
- Kitchen appliances, utensils, and cookware
- Automotive and transportation industries
- Electronics and electrical components
- HVAC (Heating, Ventilation, and Air Conditioning) systems
- Industrial machinery and equipment
7. Corrosion Resistance: One of the key benefits of stainless steel is its excellent corrosion resistance, making stainless steel coils suitable for use in environments where exposure to moisture, chemicals, or corrosive substances is a concern.
8. Customization: Stainless steel coils can be customized to meet specific requirements, such as size, thickness, and surface finish, to suit the needs of various industries and applications.

Q: What are the benefits of stainless steel coil tubes?

A: When it comes to finding the right tubing material for your needs, stainless steel is often a good choice. Stainless steel coil tubes offer several advantages, including superb corrosion resistance, high strength-to-weight ratio, and the ability to withstand high temperatures.
 
For applications where corrosion resistance is a key concern, stainless steel coil tubes are an ideal option. They're resistant to pitting and crevice corrosion in chloride environments, as well as general corrosion in acidic environments. This makes them ideal for use in a wide range of industries, from food and beverage processing to chemical processing and more.
 
In addition to being resistant to corrosion, stainless steel coil tubes are also very strong. They have a high strength-to-weight ratio, meaning they're able to withstand high pressures and loads without being excessively heavy. This makes them ideal for use in a wide range of applications, from hydraulic systems to automotive manufacturing.
 
Finally, stainless steel coil tubes can withstand high temperatures without losing their structural integrity. This makes them ideal for use in heat exchangers, boilers, and other high-temperature applications.
 
If you're looking for a tubing material that offers superior corrosion resistance, high strength, and the ability to withstand high temperatures, stainless steel coil tubes may be the perfect choice for your needs.

Q: How are stainless steel coils made?

A: Stainless steel coils are manufactured using hot rolling stainless steel slabs in a reheat furnace at a certain high temperature between 1,100° C to 1,300° C depending on the grade of the steel used for the manufacturing process. After continuously running it through heating and rolling mills, the product is coiled.

Q: How thick is a stainless steel coil?

A: Stainless Steel Coil
Thickness: 0.3 mm to 6 mm. Usage/Application: Pharmaceutical / Chemical Industry. Length (mm): Any As required. Application: Oil & Gas Industry.

Q: How do you clean stainless steel coils?

A: The dust on the surface of stainless steel coil can be washed with soapy water after gently cleaning, and then further cleaned with alcohol or organic solvent, which will make the surface of stainless steel coil more beautiful and bright.

Q: Can steel coils rust?

A: Even steel coil processors who use dry pickling or no pickling at all can experience corrosion in-process or during transit as the coils pass through extreme climates or unpredictable shipping conditions. Without adequate protection, the cost of corrosion can add up substantially over time

Q: How are steel coils transported?

A: The steel coil is firmly lashed with tie-down belts, further lashed with netting to prevent side-to-side slippage and damage to the cargo. We load and arrange the cargo on the airplane in consideration of the load distribution during air shipping.

Q: How hot is a steel coil?

A: About 1700° Fahrenheit
Hot Rolled
This type of coil steel involves rolling steel above its recrystallization temperature, usually about 1700° Fahrenheit. The oxide film is stripped off by either mechanical or chemical method or a combination of both.

Q: How thick is 304 stainless steel coil?

A: Stainless Steel Sheet and Coil - Type 304L
Item # Shapeform Thickness
304L-19-48-C Coil 0.042 inches1.0668 mm
304L-18-30-C Coil 0.048 inches1.2192 mm
304L-18-36-C Coil 0.048 inches1.2192 mm
304L-18-36-120 Sheets 0.048 inches1.2192 mm

Q: Who uses steel coils?

A: Steel coil uses can vary depending on the industry, but it has numerous popular and widely-known applications such as pipe-manufacturing, structural steel members, electronic components, consumer goods, automotive parts, and many more.

Q: Is stainless steel Hot or Cold rolled?

A: The central difference between the two is that hot-rolled stainless steel involves processing at high temperatures whereas cold-rolled stainless steel is processed further at room temperature. The stainless steel grades can either be hot rolled or cold rolled, depends upon the need of the application.

Q: What is a stainless steel coil?

A: Stainless steel coils are primarily used in the construction and industrial industries. An iron-based alloy, stainless steel comprises 11% of chromium, along with traces of nitrogen, aluminum, sulfur, silicon, titanium, nickel, copper, and selenium. It is rust and heat resistant.

Q: What is unique about stainless steel?

A: It is the addition of chromium that gives the steel its unique stainless, corrosion-resisting properties. The chromium content of the steel allows the formation of a tough, adherent, invisible, corrosion-resisting chromium oxide film on the steel surface.

Q: What is most commonly found in stainless steel?

A: 304 stainless steel 304 stainless steel is the most common form of stainless steel used around the world, due to its excellent corrosion resistance and value. It contains between 16 and 24 percent chromium and up to 35 percent nickel—as well as small amounts of carbon and manganese.

As one of the leading stainless steel coil manufacturers and suppliers in China, we warmly welcome you to buy or wholesale cheap stainless steel coil in stock here from our factory. All customized products are with high quality and competitive price. For free sample, contact us now.

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