304 Stainless Steel Coil
304 stainless steel coil is the most common type of austenitic stainless steel. It is produced by continuously rolling and winding 304 stainless steel sheets. Its core characteristics are excellent comprehensive performance, with good corrosion resistance, formability and weldability.
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Product Introduction

304 Stainless Steel Coil is the most widely produced and used austenitic stainless steel in coil form, globally recognized as "18/8 stainless steel" (18% chromium, 8% nickel). It offers an excellent balance of corrosion resistance, formability, toughness, and ease of fabrication and welding, making it the universal workhorse material for countless manufacturing processes.

Supplied in continuous coil form, it provides superior efficiency for high-volume roll-forming, stamping, and blanking operations. The material is non-magnetic in the annealed condition and forms a robust, self-repairing passive layer of chromium oxide, providing strong resistance to a wide range of atmospheric environments, oxidizing acids, and many organic chemicals. Its excellent hygiene and cleanability have made it a cornerstone material across industries from food processing and architecture to automotive and consumer goods manufacturing.

Product parameters


Item / ParameterSpecification for 304 Coil (UNS S30400)Notes / Significance
Key FeatureThe Universal Workhorse. Excellent all-around corrosion resistance, formability, and weldability in a cost-effective, highly producible coil form.The standard inventory item for coil-fed manufacturing worldwide.
Common DesignationsUNS S30400, AISI 304, EN 1.4301, X5CrNi18-10, JIS SUS304EN 1.4301 is the key European designation for procurement.
Chemical Composition (Typical wt.%)C: ≤ 0.07 - 0.08
Cr: 17.5 - 19.5
Ni: 8.0 - 10.5
Mn: ≤ 2.00
Si: ≤ 1.00
Provides the foundational "18/8" chemistry for corrosion resistance and austenitic structure.
Mechanical Properties (Annealed)Tensile Strength (Rm): ≥ 515 - 620 MPa
Yield Strength (Rp0.2): ≥ 205 - 310 MPa
Elongation (A): ≥ 40%
Hardness (HB): ≤ 201
Excellent ductility for severe forming directly from the coil.
Physical PropertiesDensity: 7.93 g/cm³
Melting Range: 1399 - 1454 °C
Standard for weight and volume calculations.
Key Standards (Coil)ASTM A240 (Material Specification)
ASTM A480/A480M (General Requirements for Flat-Rolled Products)
EN 10088-2
ASTM A480 governs dimensional tolerances, edge condition, and surface quality for coils.
Common Applications (from Coil)• Appliance: Dishwasher/washing machine tubs, refrigerator liners.
• Food Service: Sinks, cookware, commercial food prep surfaces.
• Architectural: Roofing, wall cladding, gutters, trim (formed).
• Industrial: Chemical containers, cryogenic vessels, automotive trim.
Coil enables high-speed, automated fabrication of these components.

Surface selection

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Packaging and transportation

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Product packaging
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FACTORY SHOW

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FAQ

Q:What about your price? 
A:Our price is very competitive because we are a factory. Feel free to contact us if you are interested in our products. 

Q:Can I go to your factory to visit?
A:Of course, we welcome customers from all over the world to visit our factory.

Q:What product information do I need to provide?
A:You need to provide the grade, width, thickness, coating and the number of tons you need to purchase. 

Q:Does the product have quality inspection before loading? 
A:Of course, all our products are strictly tested for quality before packaging, and unqualified products will be destroyed.we
accept the third party inspection absolutely. 

Q:How about the delivery time? 
A:Within 3-15 days after we confirm you requirement. 

Q:What is your terms of payment ?
A:T/T, L/C at sight, Cash, Western Union are all accepted if you have other payment,please contact me. 

Q: Do you provide samples? 
A:Yes,we could offer the sample for you to test but please pay freight fee.

Q:How do we trust your company? 
A:We are a specialized company focusing on global steel trading and supply chain services. Our mission is to provide high-quality, multi-specification, and one-stop steel products and solutions to customers worldwide.

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