Stainless Steel Coil

Your Professional Stainless Steel Coil Supplier

Tianjin Kun Yu Technology Co., Ltd. is one of the leading steel exporters in China. The company specializes in exporting a wide range of steel products, including steel pipes, steel plates, carbon steel, galvanized steel, stainless steel, aluminum steel, and steel profiles. These products are primarily utilized in various sectors of the national economy, such as the chemical industry, machinery, construction, public utilities, shipping, oil, and others.

Customized Services

With over a decade of experience in the manufacturing and R&D of steel products, we offer comprehensive customization services for a variety of materials to meet specific customer requirements.

High-Quality Products

Our factory employs state-of-the-art production processes and advanced technology to ensure the superior quality of our products.

High Productivity

Equipped with cutting-edge production facilities and a highly skilled technical team, we guarantee efficient production to meet customer demands promptly.

Excellent After-Sales Service

We provide exceptional after-sales service, addressing customer complaints and resolving issues effectively to ensure customer satisfaction.

 

 
 
 

Parameter

 

 

Standard

AISI /ASTM /SUS / JIS / DIN / TUV / BV /etc

Product Type

Coil

Technique

Cold Rolled

Steel Grade

201/304/410S/430

Thickness(mm)

0.22mm-3.0mm

Width(mm)

20-850mm/1000mm/1219mm/1240mm/1500mm/1525mm

Coil Wveight

Customized

Inner Diameter(mm)

508mm/610mm

Edge Finish

Mill Edge / Slit Edge

Grade

300 series

Length

As required

Tolerance

± 1%

Standard

JIS AISI ASTM GB DIN EN

Width

1000mm,1219mm,1500mm

Surface

BA / 2B / NO.3 / NO.4 / 8K / HLx

Delivery time

15-35 days after confirmed order

 

Types of Stainless Steel Coil

The stainless steel coils produced by our company mainly include the following types:

Stainless Steel Cold Rolled Coils

316 Stainless Steel Coil

 

The 316 stainless steel coil is renowned for its superior performance in harsh environments, thanks to its molybdenum content, which enhances its resistance to pitting and crevice corrosion. This makes it an ideal choice for applications in marine environments, pharmaceutical equipment, and food processing machinery.

301 Stainless Steel Coil

 

Our 301 stainless steel coil is crafted from premium - grade austenitic stainless steel, it offers excellent corrosion resistance and formability. Common specifications include thicknesses ranging from 0.1mm - 3.0mm and widths from 600mm - 1500mm, catering to diverse needs.

321 Stainless Steel Coil

 

The 321 stainless steel coil is a premium-grade material renowned for its exceptional durability and resistance to high temperatures. Ideal for industries requiring robust performance, this coil is crafted with titanium stabilization, which enhances its ability to withstand corrosive environments.

 

Applications of Stainless Steel Coil
 

Construction and Architecture
Stainless steel coils are widely used in the construction industry, especially for applications where aesthetics and durability are required. They are used for roofing, cladding, structural supports, and decorative elements. Stainless steel coils are ideal for buildings exposed to harsh environments due to their ability to withstand extreme temperatures and resist corrosion.

 

Automotive Industry
The automotive industry also benefits greatly from stainless steel coils. Stainless steel is used in the manufacturing of exhaust systems, body panels, and engine parts. The material’s high strength-to-weight ratio makes it an ideal choice for improving fuel efficiency and performance.

 

Food Processing
In the food processing industry, stainless steel coils are used for equipment such as tanks, containers, and pipes. Stainless steel’s resistance to corrosion and its ability to be easily cleaned makes it the ideal choice for applications that require hygiene and durability.

 

Medical Equipment
Stainless steel coils are commonly used in the medical industry to manufacture surgical tools, implants, and medical equipment. Stainless steel’s ability to resist corrosion from bodily fluids and its high strength make it an excellent material for medical devices that require both safety and precision.

 

Chemical Industry
Stainless steel coils are essential in the chemical industry, where they are used for manufacturing pipes, heat exchangers, and reactors. Their resistance to chemicals and high temperatures makes them ideal for environments where standard steels would degrade.

 

Surface Treatment of Stainless Steel Coils

 

Polished finish

Polished stainless steel coils have a reflective and smooth surface. This finish is achieved by polishing the surface with progressively finer abrasives until a mirror-like appearance is achieved. Polished finishes are often used in decorative applications, such as ornamental pieces and high-end appliances.

Embossed finish

This finish involves imprinting a pattern or texture onto the surface of the stainless steel coil. Embossed finishes can add visual interest and texture to the material, making it suitable for applications such as wall cladding and decorative trim.

Stainless Steel Cold Rolled Coils

 

Storage Precautions for Stainless Steel Coils

Storage

Steel coils should be stored in a dry, well-ventilated area that is protected from the elements. The storage area should be free from debris, water, and other contaminants that could damage the coils. Coils should be stored horizontally on pallets, with each coil separated by a wooden spacer to prevent damage from contact with other coils.

Handling

When handling steel coils, it is important to use proper lifting equipment such as cranes, forklifts, or coil lifters. Coils should be lifted from the center, using a lifting eye or other approved lifting device. Never lift a coil by its edges or sides, as this can cause damage to the edges of the coil and potentially lead to surface defects.

Transportation

During transportation, steel coils should be secured to prevent movement and damage. Coils should be transported on a flatbed trailer or in a container with adequate bracing and cushioning to prevent damage from vibration or shock. It is also important to ensure that the transportation vehicle is clean and free from contaminants that could damage the coils.

 

 

Packaging and Shipping

 

 

Packing

The sheets is packed with PVC film or water-proof kraft in the first layer, the second layer is iron sheet package, then wrapped on the metal pallet or metal square tube with steel strip.

It's is water-proof and sea-worthy, and warmly welcomed by the customers.OEM accepted, besides,the pakage can also be according to your demands.

Shipping

1.Shipping by containers

2.Shipping by bulk ship.

 

 

Our Factory

 

Tianjin Kun Yu Technology Co, Ltd. is located in Beichen District, Tianjin, China, is a production and trading integrated enterprise, focusing on the field of steel materials. Our steel plant covers an area of 150,000 square meters, with spacious production workshops and advanced storage facilities, the plant covers an area of 128 employees, and builds a well-structured, professional and complementary team structure.

 

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Our Certificate

 

 

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FAQ

 

 

Q: Are stainless steel coils safe?

A: Stainless steel coil is widely recognized for its compliance with stringent food safety and health regulations. It meets the rigorous standards set by organizations like the FDA and NSF, ensuring it is safe for food contact.

Q: What is the difference between 316 and 316L stainless steel coil?

A: The main difference is the carbon content. 316L has lower carbon (≤ 0.03%) than 316 (≤ 0.08%), which improves its weldability and reduces the risk of carbide precipitation, making it more resistant to corrosion after welding.

Q: How does 316L stainless steel resist corrosion?

A: The presence of molybdenum (2-3%) enhances its resistance to chloride-induced corrosion, preventing pitting and crevice corrosion in harsh environments.

Q: What is the elongation of stainless steel coils?

A: Elongation is a measure of the material's ability to deform plastically before breaking. Austenitic stainless steels usually have good elongation values, typically around 40% - 60% for 304 and 316 grades. Ferritic stainless steels have lower elongation, usually in the range of 20% - 30%.

Q: Can stainless steel coils be used in high - temperature applications?

A: Yes, certain grades of stainless steel coils, such as those with high chromium and nickel contents, have good heat resistance and can be used in high - temperature applications. For example, in furnaces, boilers, and heat exchangers, stainless steel coils can withstand elevated temperatures without significant deformation or loss of mechanical properties.

Q: Can stainless steel coils be easily welded?

A: Stainless steel coils can be welded, but proper welding techniques and procedures need to be followed. Austenitic stainless steels are generally more weldable than ferritic or martensitic grades. Welding parameters such as current, voltage, and welding speed need to be carefully controlled to avoid problems like distortion, porosity, and loss of corrosion resistance.

As one of the leading stainless steel coil manufacturers and suppliers in China, we warmly welcome you to wholesale cheap stainless steel coil from our factory. All customized steel products are with high quality and competitive price. For free sample, contact us now.430 stainless steel coil

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