304 Stainless Steel Coil
- High strength and excellent formability for demanding applications
- Good corrosion and heat resistance for long-term use
- Consistent mechanical performance you can rely on
- Wide size range to match your exact project requirements
- Multiple surface finishes for both function and appearance
304 Stainless Steel Coil Supplier & Manufacturer in China
Looking for a reliable 304 stainless steel coil supplier in China? You need consistent quality, stable supply, and responsive support — not just low prices.
At Sunnyda, you get all three. Our team controls every step of production to make sure your 304 stainless steel coils meet strict international standards. You benefit from a production team that focuses on consistency, tight tolerances, and on-time delivery — so your projects stay on schedule.
Our 304 stainless steel coils are made from high-quality raw materials. You get strong corrosion resistance and reliable performance, even in harsh environments. Our 304 stainless steel coils are of superior quality and built to last.
Our 304 stainless steel coils are widely used in food processing, chemical equipment, and industrial manufacturing where reliability matters.
You can customize thickness, width, surface finish, and mechanical properties to match your exact application — no unnecessary compromises.
Explore Sunnyda's 304 Stainless Steel Coil
Advantages of Sunnyda's 304 Stainless Steel Coil
Excellent Ductility
Environmental Certifications
Corrosion Resistance
High Strength
Material Composition
| Grade | Standard | C | Si | Mn | P | S | Cr | Ni | Mo |
| 304 | ASTM A240 | ≤0.07 | ≤0.75 | ≤2.00 | ≤0.045 | ≤0.030 | 18.00-20.00 | 8.00-11.00 | – |
High-Temperature Resistance
In high-temperature environments, many materials fail due to thermal expansion or a decline in performance. However, Sunnyda 304 stainless steel coils maintain stable performance at temperatures as high as 870°C. You can use these coils in applications without significant loss of performance.
Superior Physical Properties
Sunnyda 304 stainless steel coils have a high melting point, allowing them to maintain a stable physical state in high-temperature environments. Their moderate coefficient of thermal expansion minimizes material deformation caused by temperature fluctuations. With excellent elasticity, they can absorb and disperse external forces, enhancing the product’s impact resistance.
Additionally, our stainless steel coils feature low thermal conductivity and moderate electrical resistivity, making them ideal for thermal management and electrical applications to meet your diverse needs.
Wide Range of Specifications
We can provide products that meet your expectations. Sunnyda 304 stainless steel coils are available in thicknesses ranging from 0.1 mm to 120 mm and widths ranging from 600 mm to 2000 mm. This extensive range of specifications covers virtually all common and specialized application requirements. Sunnyda 304 stainless steel coils cover both thin precision parts and thick structural components.
Cold-Rolled and Hot-Rolled Options
To meet the needs of various processing techniques, Sunnyda 304 stainless steel coils are available in both cold-rolled and hot-rolled options. Cold-rolled coils offer better surface finish and tighter tolerances. Hot-rolled coils provide better ductility for heavy forming. You can flexibly choose between cold-rolled and hot-rolled coils based on your production needs and processing methods to achieve optimal processing results and cost-effectiveness.
Surface Finishes
We offer a variety of surface finish options, ranging from mirror polishing to textured etching and embossing. You can choose from mirror, brushed, etched, or embossed finishes based on your performance and appearance needs. Textured etched surfaces, on the other hand, utilize a precise etching process to create distinctive patterns on the material’s surface. Embossed surfaces are formed through die-pressing, creating various three-dimensional patterns that enhance the product’s artistic appeal and add value.
Color and Pattern Treatment Technologies
We have also introduced advanced specialized surface treatment technologies, such as colored coatings, laser etching, and anti-fingerprint coatings. Color plating technology creates a vibrant, wear-resistant coating on the material’s surface. This improves surface durability and appearance. Laser etching technology uses high-energy laser beams to engrave intricate patterns and text onto the material’s surface, enabling personalized customization. Anti-fingerprint coating technology effectively prevents fingerprints and smudges from adhering, keeping the material’s surface clean and easy to maintain.
Additional Services
You get precise cutting, bending, and processing based on your drawings — saving time and reducing supply chain complexity. Our professional fabrication team, equipped with extensive experience and state-of-the-art machinery, provides customized fabrication solutions tailored to your specific needs. Whether it’s simple cutting and blanking or complex forming processes, we complete every task efficiently and with precision, ensuring your project is delivered on time and to the highest quality standards.
Certifications & Standards
Sunnyda 304 stainless steel coils have obtained multiple international authoritative certifications. If you choose Sunnyda, you receive products certified by ISO, SGS, and BV, ensuring compliance with international standards. Additionally, our products comply with industry standards such as AMS 5511, ASTM A 240, and ASTM A 666, ensuring their universality and interchangeability.
Applications
Food & Beverage Equipment: You can use it in tanks, piping, and processing equipment where hygiene is critical. Our stainless steel coil meets strict hygiene standards, ensuring the purity and safety of food.
Medical Equipment: Suitable for surgical tables and devices requiring corrosion resistance and clean surfaces.
Industrial & Construction: Used in structural parts, valves, pumps, and machinery exposed to harsh environments. Their high strength and corrosion resistance ensure the long-term, stable operation of these devices and structures in harsh environments. This helps reduce maintenance and replacement costs.
