304 Stainless Steel Coil ASTM A240 Cold Hot Rolled Supplier

Xinye Steel offers high-quality 304 stainless steel coil designed to meet diverse industrial needs.
304 Stainless Steel Coil Specifications

Premium 304 stainless steel coil with ASTM A240 standard offers excellent corrosion resistance formability and custom finishes ideal for diverse industries

SKU SKU-1775012073 Category

304 Stainless Steel Coil Specifications

Xinye Steel offers high-quality 304 stainless steel coil designed to meet diverse industrial needs. Our coils comply with internationally recognised standards, ensuring consistent performance and reliability.

Standards & Grade Equivalents

StandardDetailsGrade Equivalent
ASTM A240Specification for stainless steelUNS S30400
ASME SA240Boiler and pressure vessel platesEN 1.4301
EN 10088-2Stainless steels—technical delivery conditionsSUS 304
JIS G4305Japanese industrial standard 
GB/T 4237Chinese standard for stainless steel 

Available Variants

  • 304: Standard carbon content for general applications
  • 304L: Low-carbon option (<0.03% C) for improved weldability and reduced carbide precipitation

Dimension Range

ParameterRangeCustomisation Available
Thickness0.05 mm – 150 mmYes
Width15 mm – 2000 mmYes
Coil ID/ODPer customer requirementsYes

Forms Offered

  • Hot Rolled Coil (HRC)
  • Cold Rolled Coil (CRC)
  • Slit Coil
  • Strip Coil

Chemical Composition & Mechanical Properties

Detailed tables for chemical composition (Cr 18–20%, Ni 8–10.5%, C max 0.08% for 304 / 0.03% for 304L) and mechanical properties are available on request, ensuring full transparency and guidance for your application needs.


This comprehensive specification overview of 304 stainless steel coil supports various sectors, providing flexibility in size, finish, and standard compliance. Contact Xinye Steel today for detailed datasheets and customised solutions.

Material Properties and Performance of 304 Stainless Steel Coil

Chemical Composition

304 stainless steel coil mainly consists of:

Surface Finishes and Processing Options of 304 Stainless Steel Coil

304 stainless steel coil comes in several common surface finishes tailored to different needs:

Finish TypeDescriptionUse & Benefits
2B FinishSmooth, matte, cold-rolledGood for general use, easy to clean
BA (Bright Annealed)Highly reflective, glossyDecorative, food-grade applications
No.4 BrushedSatin finish with fine linesStylish look, hides fingerprints
HL (Hairline)Linear brushed textureModern aesthetic, high-end decor
8K MirrorMirror-like, ultra-smoothPremium finish, high reflectivity
No.1 Hot RolledRough, dull finishIndustrial use, less demand on appearance

These finishes affect not only the aesthetic appeal but also cleansability and corrosion resistance. For example, bright and mirror finishes are easier to clean and preferred in food processing, while brushed finishes help mask minor scratches.

Processing Services Available

To meet diverse client needs, 304 stainless steel coil can be customized through:

  • Precision slitting — Cut into narrow strips or specific widths.
  • Cut-to-length — Coil cut into sheets of customized length.
  • Leveling — Flattening to remove coil set and improve flatness.
  • Protective film application — Keeps the surface clean during handling and transportation.

These services help you get ready-to-use products that fit your exact requirements. For top-quality finishes and precise cutting, consider exploring our stainless steel embossed sheets for decorative options.

Choosing the right surface finish and processing ensures your 304 stainless steel coil delivers the best performance, appearance, and longevity in your application.

Applications of 304 Stainless Steel Coil

304 stainless steel coil is widely used across many industries due to its excellent corrosion resistance and versatility. It’s a top choice for food processing and kitchen equipment, where hygiene and durability are paramount. In the chemical and pharmaceutical sectors, 304 coil is ideal for equipment and piping that require corrosion resistance and easy cleaning.

Architectural uses include decorative panels, facades, and railings, where 304 stainless steel’s attractive finish and weather resistance stand out. In the automotive industry, it serves in trim, exhaust components, and structural parts thanks to its strength and heat resistance.

304 coil is also essential for heat exchangers and HVAC systems, performing reliably under fluctuating temperatures. The medical field favors it for medical, dairy, and beverage handling equipment due to its sanitary properties. Finally, it suits general fabrication tasks, storage tanks, and even cryogenic applications, proving its adaptability across temperature extremes.

If you’re interested in decorative applications, explore our stainless steel embossed sheets with unique finishes for enhanced aesthetics and performance.

Manufacturing Process and Quality Assurance at Xinye Steel

At Xinye Steel, the production of 304 stainless steel coil starts with advanced hot rolling to shape the coil, followed by cold rolling to achieve precise thickness and smooth surface quality. We then use controlled annealing to enhance ductility and relieve internal stresses, ensuring superior performance. Final finishing processes include leveling and protective film application for flawless coil surfaces.

Quality is key. Each batch undergoes strict chemical analysis and mechanical testing to meet standards like ASTM A240 and EN 10088-2. Our surface inspections and non-destructive testing guarantee no defects or inconsistencies, giving you reliable, high-grade SUS 304 coil every time. We back our products with certifications such as ISO, SGS, ROHS, and provide detailed mill test certificates to prove compliance.

Traceability is fully maintained from raw materials to finished hot or cold rolled coils, ensuring batch-to-batch consistency. This rigorous process control means you get consistent quality whether you order standard or custom dimensions, crucial for sensitive applications like food or pharmaceutical equipment.

For surface finishing options aligned with your application needs, explore our premium selections like the brushed stainless steel plate to match your specific project goals.

Customization, Packaging, and Supply Capabilities of 304 Stainless Steel Coil

At Xinye Steel, we understand that every project has its unique requirements. That’s why we offer tailored dimensions and special tolerances on our 304 stainless steel coil, ensuring you get the exact size and quality you need. Whether you require specific thicknesses, widths, or even minor alloy adjustments for enhanced performance, we can customize orders to meet your demands.

For logistics, we provide export seaworthy packaging with options including sturdy wooden pallets and steel frames to guarantee your coils arrive securely, even on long international shipments. Our team is well-versed in global shipping regulations and handling, helping you navigate customs and delivery smoothly.

We maintain strong stock availability of standard 304 stainless steel coils and offer just-in-time delivery to keep your production line running without interruptions. Plus, our MOQ (Minimum Order Quantity) and lead times are competitive, designed to accommodate both small and bulk orders efficiently.

Partner with us for reliable, flexible supply solutions tailored to your exact needs.

Why Choose Xinye Steel for Your 304 Stainless Steel Coil Needs

When it comes to sourcing high-quality 304 stainless steel coil, Xinye Steel stands out for several key reasons:

AdvantageDetails
Competitive PricingWe offer fair, transparent pricing based on volume and specs, ensuring you get the best value for your 304 coil orders.
Technical ConsultationOur experts provide tailored advice and project support to help select the right ASTM A240 304 coil or 304L stainless steel coil variant, optimizing your application.
Reliable Supply ChainWith a streamlined process, from hot rolled to cold rolled coils, we guarantee consistent availability and on-time delivery worldwide.
Customer Success FocusWe prioritize your satisfaction with responsive service and flexible solutions, adapting to your changing needs.
Sustainability CommitmentXinye Steel integrates eco-friendly manufacturing and efficient resource use, supporting long-term partnerships and environmental goals.

Choosing Xinye means secure access to quality 304 stainless steel sheet coil with comprehensive support—all designed to keep your projects moving smoothly and profitably.

Related Products for 304 Stainless Steel Coil

In addition to the popular 304 stainless steel coil, we offer a range of related products to meet diverse project needs:

  • 304L Stainless Steel Coil: Low-carbon variant for enhanced weldability, perfect for fabrications requiring minimal carbide precipitation.
  • 316 and 316L Stainless Steel Coils: Superior corrosion resistance, especially suitable for marine and chemical environments.
  • 430 Stainless Steel Coil: Ferritic grade ideal for decorative applications and moderate corrosion resistance.

We also supply stainless steel sheets and plates along with precision slit strips—great for projects demanding exact widths and finished edges. Check out our [premium brushed stainless steel plates].

FAQs About 304 Stainless Steel Coil

1. What’s the difference between 304 and 304L stainless steel coil?

304 has a max carbon content of 0.08%, making it strong but slightly less weldable.
304L has lower carbon (max 0.03%), reducing carbide precipitation and improving weldability for critical applications.
For projects involving welding or bending, 304L is often preferred.

2B finish is common for food processing due to its smoothness and ease of cleaning.
No.4 brushed finish is also popular for kitchen equipment with better scratch resistance.
Avoid rough finishes that can trap bacteria or debris.

304 performs reasonably in freshwater and mild atmospheres.
However, it’s not the best choice for chloride-heavy environments like seawater, where 316 or 316L coils perform better due to higher corrosion resistance.

Use this simple formula:

ParameterDescription
Thickness (T)mm
Width (W)mm
Length (L)mm
Density of 304 SS8.0 g/cm³ (or 8000 kg/m³)

Weight (kg) = T × W × L × Density / 1,000,000

Example: A coil 1.0 mm thick, 1000 mm wide, and 2000 mm long:
Weight = 1 × 1000 × 2000 × 8 / 1,000,000 = 16 kg

  • Lead times depend on quantity and specification; typically 3–6 weeks for custom sizes.
  • MOQ varies by mill but usually starts around 1 metric ton for tailored dimensions.
  • Stock coils may be available faster for standard specs.

For detailed guidance on surface finishes, see our page on polishing stainless steel to a mirror finish.

Got more questions? Contact us for expert advice on choosing the right 304 coil for your project.

Please fill in your requirements to get free A quote/sample/soultion from our experts today! We usually reply in 1 Working hours with confidence.