321 Stainless Steel Coil

321 Stainless Steel Coil
321 Stainless Steel Coil, a Ti-stabilized austenitic alloy (17-19% Cr, 9-12% Ni), excels in high-temperature strength and corrosion resistance. With added titanium to suppress carbide precipitation, it maintains stability at 900°C, resisting intergranular corrosion. Ideal for chemical processing, exhaust systems, and heat exchangers, it combines weldability with durability in harsh environments. Choose 321 Stainless Steel Coil for unmatched reliability in extreme temperatures or corrosive conditions!
Phone: +86 13361099274
WhatsApp: +86 13361099274
WeChat: +86 13361099274
E-mail: sales03@zxsdmetal.com

◉ Key Attributes

Product name321 Stainless Steel Coil
Grade201,202,304,304L 309S,310S,316L,316Ti,317l,321,347
Thickness0.3mm-3.0mm(cold rolled ) , 3mm-120mmm(hot rolled )
Width600mm-2000mm
Length1000mm-12000mm or as you need
Surface2B, BA, NO.1, NO.4,HL or as requested
StandardJIS, AISI, ASTM, GB, DIN, etc
PackageStandard sea-worthy packaging , or as buyers' requirement
ApplicationsStainless Steel Cold Coil applies to construction field, ships building industry,
AdvantagesStrong corrosion and decorative effect


Chemical composition(%) of stainless steel 321
elementCSiMnSPCrNiMo
content≤0.08≤1.00≤2.00≤0.030≤0.03517.00-19.009.00-12.0010.00-14.00



Mechanical properties of stainless steel 321
performanceYield strengthConditional yield strengthHardnessElongation
Proportion≥520 Mpa≥205 Mpa≤ 187hb; ≤ 90hrb; ≤ 200hv≥40%



◉ Product Details

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Product Introduction


Stainless Steel Coil, an iron-based alloy containing a minimum of 10.5% chromium, forms a self-repairing oxide layer for exceptional corrosion resistance, making it ideal for harsh environments like chemical plants and coastal areas. Available in grades such as 304, 316L, and 430, it offers high tensile strength, excellent formability, and thermal stability (-270°C to 800°C), ensuring durability in extreme conditions. Its versatility shines in construction (cladding, roofing), automotive (exhaust systems, body panels), appliances (kitchenware, refrigerators), and industrial equipment (tanks, pressure vessels). With customizable thicknesses (0.1-50mm), widths (100-2500mm), and surface finishes (2B, No.4, BA, mirrored), it adapts seamlessly to aesthetic and functional demands. Easy to weld, stamp, and process, it reduces manufacturing costs while delivering precision. Environmentally friendly and 100% recyclable, it aligns with sustainability goals. Choose stainless steel coil today to elevate product quality, streamline production, and embrace a material that combines resilience, adaptability, and timeless performance—act now to secure premium reliability for your projects!

We provide different types of stainless steel surface treatment processes, such as BA, 2B, 2D, 2K, 4K, 6K, 8K, NO.4, HL, SB, Embossed, etc.


About Us


Zhongxi (Shandong) Metal Technology Co., Ltd. is a professional steel manufacturing enterprise integrating R&D, production, sales, and service. The factory boasts advanced production equipment and an intelligent management system, with an annual export volume exceeding 300,000 tons. With high-quality products and excellent customer service, our sales network covers numerous countries and regions in the United States, Europe, Southeast Asia, the Middle East, Africa, and South America.

Our main products include carbon steel (carbon steel coils, carbon steel plates, carbon steel pipes, carbon steel wire), structural steel (angle steel, channel steel, I-beams, H-beams, round steel, flat steel, square steel, hexagonal steel), stainless steel (stainless steel coils, stainless steel plates, stainless steel pipes), galvanized steel (galvanized coils, galvanized plates, galvanized pipes), PPGI, PPGL, billets, reinforcing bars, tinplate, and other products.

Adhering to the principle of "Quality First, Reputation Supreme," we are committed to providing customers with high-quality and sufficient products. If you are interested in our products or wish to discuss custom orders, please feel free to contact us. We look forward to establishing successful business relationships with new customers around the world in the near future.

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Advantage of Stainless Steel Coil


1. Superior Corrosion Resistance

Stainless steel coil’s chromium-rich composition (≥10.5%) forms a passive oxide layer, shielding it from rust, stains, and chemical degradation. This makes it ideal for marine, chemical, and food processing environments where exposure to saltwater, acids, or moisture is frequent. Unlike carbon steel, it resists pitting, crevice corrosion, and stress cracking, ensuring long-term reliability even in aggressive media. Its low-maintenance nature reduces lifecycle costs, as it doesn’t require coatings or frequent repairs. Industries relying on hygiene, such as pharmaceuticals and dairy, benefit from its non-porous surface, which prevents bacterial growth.

2. Unmatched Durability & Strength

With high tensile strength (500–700 MPa) and fatigue resistance, stainless steel coil withstands mechanical stress, impacts, and extreme temperatures (-270°C to 800°C). This makes it suitable for automotive exhaust systems, pressure vessels, and cryogenic applications. Its austenitic structure (e.g., 304/316 grades) provides flexibility without compromising rigidity, enabling deep drawing and complex forming. Architectural projects, like skyscraper cladding, leverage its resistance to warping or deformation under load.

3. Aesthetic & Functional Versatility

Available in finishes like 2B (matte), No.4 (brushed), BA (mirror), and embossed patterns, stainless steel coil meets both design and technical demands. Architects use it for sleek façades, while appliance manufacturers employ polished coils for premium kitchenware. Customizable thicknesses (0.1–50mm) and widths (100–2500mm) allow precision in applications like automotive trim or medical implants.

4. Cost-Effective Sustainability

100% recyclable and energy-efficient to produce, stainless steel coil aligns with eco-conscious manufacturing. Its longevity reduces replacement frequency, cutting waste. Low-carbon grades (e.g., 304L/316L) minimize carbide precipitation during welding, enhancing material integrity. Industries adopting circular economies prioritize it for its cradle-to-cradle lifecycle.

5. Global Industry Compliance

Certified for food safety (FDA, EU), medical devices (ISO 13485), and marine applications (ABS, DNV), stainless steel coil meets stringent regulatory standards. Its non-magnetic properties suit electronics, while fire-resistant grades (310S) protect infrastructure. This compliance reduces compliance risks for manufacturers in regulated sectors.

6. Stock Availability & Customization

Leading suppliers offer slit-to-size coils, reducing material waste. Surface treatments like PVD coating or anti-fingerprint finishes add value for appliances or elevators. This agility in fulfilling niche demands makes stainless steel coil a go-to material for prototyping and mass production alike.


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Quality Control


We have our own Physical & Chemical Testing Center Lab to guarantee our product quality. Our test items & instrument fully meet international standards.


Application of Stainless Steel Coil


1.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.

2.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.

3.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.

4.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.

5.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.

Overall, the stainless steel coil is a highly versatile material with excellent properties that make it ideal for a wide range of applications across various industries.


Contact Us


As a leading company, Zhongxi Metal is known for our excellent product quality and professional services, providing our customers with a reliable partner. We have a global sales network that can meet the needs of customers in different countries and regions.If you need more information about us or have any other needs, please feel free to contact us. We look forward to working with you to create a better future.


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