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304 Stainless Steel Coil
Voyage Metal supplies 304 stainless steel coil for general fabrication, food equipment, architectural components, household appliances, storage systems and industrial production. Cold-rolled, hot-rolled, slit coil and cut-to-length options are available according to the required standard, dimensions, finish and order quantity.
General-Purpose 304 Stainless Steel Coil for Fabrication
Grade 304 is a chromium-nickel austenitic stainless steel selected for its practical balance of corrosion resistance, formability, weldability and surface quality. In coil form, it is commonly slit, cut to length, stamped, roll formed, polished and fabricated into repeat-production components.
Corrosion Resistance
Suitable for many general atmospheric, food-processing and industrial environments when the material grade and surface condition match the application.
Formability
Good ductility supports common operations such as bending, drawing, stamping and roll forming.
Weldability
Compatible with common stainless steel welding processes. Welding procedure and post-weld requirements should be reviewed for the final service condition.
Surface Options
Available in functional and decorative finishes for equipment, appliance, architectural and fabricated component production.
304 Stainless Steel Coil Specifications
Dimensions, tolerances, surface availability and coil weight are confirmed according to actual mill production, stock condition and the purchase specification.
| Product | 304 stainless steel coil, strip coil and cut-to-length sheet |
|---|---|
| Grade / Designation | AISI 304 / UNS S30400 / EN 1.4301 |
| Applicable Standards | ASTM A240 / A240M, ASME SA240 / SA240M, EN 10088-2, JIS G4304 or project specification |
| Production Route | Cold rolled or hot rolled, annealed and pickled as applicable |
| Thickness | 0.3–12.0 mm; other thicknesses subject to mill and order confirmation |
| Width | 600–2,000 mm; custom slit widths available |
| Coil Inner Diameter | 508 mm or 610 mm; confirm according to thickness, line and coil weight |
| Coil Weight | Customized according to mill production, processing route and handling requirements |
| Surface Finish | 2B, BA, No.1, No.4, Hairline and other finishes by confirmation |
| Edge Condition | Mill edge or slit edge |
| Protective Material | PE / PVC protective film, paper interleaving or no film according to order requirements |
| Processing Services | Slitting, cut-to-length, polishing, brushing, film application and export packing |
| Inspection Documents | Mill test certificate and agreed inspection records; third-party inspection can be discussed before ordering |
| Packing | Export seaworthy packing with moisture protection, edge protection and reinforced support |
Available 304 Stainless Steel Coil Finishes
Surface finish affects appearance, cleanability, fabrication behavior and final use. Actual finish may vary by mill, thickness and processing route; samples can be confirmed for appearance-sensitive orders.
2B Finish
Smooth, lightly reflective cold-rolled finish for general fabrication, equipment and industrial components.
Bright Annealed
Bright and reflective finish commonly selected for appliance, decorative and appearance-sensitive components.
No.1 Finish
Hot-rolled, annealed and pickled surface for industrial fabrication where decorative appearance is not the priority.
No.4 Brushed
Uniform directional brushed finish for kitchen equipment, panels, elevators and architectural fabrication.
Hairline Finish
Continuous linear texture used for decorative panels, interior components and architectural applications.
Need a Specific Finish?
Send the required finish code, sample image, protective-film requirement and intended application for confirmation.
Discuss your surface requirement →Chemical Composition and Mechanical Properties
The values below are general reference requirements for annealed 304 stainless steel. Final compliance must be checked against the applicable product standard, thickness, condition and material certificate.
Typical ASTM A240 Chemical Composition Requirements, wt.%
| Element | C | Si | Mn | P | S | Cr | Ni | N |
|---|---|---|---|---|---|---|---|---|
| Requirement | ≤ 0.08 | ≤ 0.75 | ≤ 2.00 | ≤ 0.045 | ≤ 0.030 | 18.00–20.00 | 8.00–10.50 | ≤ 0.10 |
Room-Temperature Mechanical Property Reference
| Property | Reference Requirement | Purchasing Note |
|---|---|---|
| Tensile Strength | ≥ 515 MPa | Final value depends on product standard, thickness and condition. |
| 0.2% Yield Strength | ≥ 205 MPa | Confirm the required test direction and specification. |
| Elongation | ≥ 40% | Gauge length and thickness requirements follow the applicable standard. |
| Hardness | ≤ 92 HRB or ≤ 201 HBW | Use the mill certificate and agreed standard for acceptance. |
Common Applications of 304 Stainless Steel Coil
Final suitability depends on the component design, environment, forming method, welding procedure and maintenance condition.
Food & Beverage Equipment
Equipment covers, work surfaces, containers, cabinets and fabricated components where cleanability, surface condition and the final service environment are confirmed.
Kitchen & Appliances
Sinks, appliance panels, housings, worktops and formed household components.
Architectural Fabrication
Interior panels, handrails, trim, elevator components and decorative metalwork.
Storage & Containers
General-purpose tanks, covers, shells, cabinets and storage-system components.
Transportation Components
Formed panels, enclosures, trim and corrosion-resistant fabricated parts.
General Manufacturing
Slit strip, stamped parts, brackets, housings, equipment panels and roll-formed components.
304 Stainless Steel Coil Processing Services
Processing requirements should specify the final part use, dimensional tolerance, surface protection, edge condition and packing method to reduce handling and production risk after delivery.
Coil Slitting
Custom slit widths for stamping, roll forming, welded tube production and component fabrication.
Cut to Length
Coil can be processed into sheets according to the required thickness, width, length and tolerance. For standalone sheets and plates, see the stainless steel sheet and plate range.
Surface Processing
Polishing, brushing and protective-film application according to the final appearance and fabrication route.
Edge & Packing
Mill edge, slit edge, paper protection, reinforced support and export packaging options.
Grade, standard, dimensions, finish, tolerance and end use.
Stock, mill source, heat number and certificate availability.
Processing according to the confirmed production instruction.
Film, paper or other agreed protection for handling and transport.
Dimensions, surface, edge, marking, weight and documents.
Moisture protection, reinforcement and shipping identification.
Quality Control and Export Packaging
Inspection scope and acceptance criteria are agreed before production. Order documents should match the purchase specification, marking and delivered material.
Pre-Shipment Inspection Items
- Grade, standard and material certificate verification
- Thickness, width and slit-width measurement
- Surface finish, scratches, dents and edge inspection
- Coil ID, coil weight and package quantity checking
- Heat number, label and shipping-mark verification
- Additional inspection according to the agreed order requirement
*Third-party inspection must be agreed before ordering and may involve additional cost or lead time.
Typical Export Packing Structure
- Surface protective film or interleaving paper when required
- Moisture-resistant wrapping around the coil
- Inner and outer edge protection
- Steel-strip reinforcement for transport stability
- Wooden pallet, skid or reinforced support according to coil size
- Shipping marks, package number and handling identification
Information Required for a 304 Coil Quote
A complete specification helps confirm material availability, processing feasibility, price factors and delivery time more accurately.
304 Stainless Steel Coil FAQ
What is 304 stainless steel coil commonly used for?
304 stainless steel coil is commonly processed into appliance panels, kitchen equipment, cabinets, equipment covers, architectural components, storage parts, stamped components and general industrial fabrications. Final suitability depends on the operating environment, forming method, welding procedure, surface finish, cleaning conditions and applicable project specification.
Can 304 stainless steel coil be slit to a custom width?
Yes. Custom slitting can be supplied according to coil thickness, required strip width, edge condition, tolerance and order quantity. Send the minimum and maximum width, number of strips and intended use for review.
Which surface finish should I choose: 2B, BA, No.4 or Hairline?
The stainless steel surface finish guide explains the main options in more detail. 2B is commonly selected for general fabrication; BA is brighter and more reflective; No.4 provides a directional brushed appearance; Hairline has a longer continuous linear texture. The final choice depends on appearance, cleaning, fabrication and end-use requirements.
Is 304 stainless steel coil suitable for welding?
304 has good weldability with common stainless steel welding methods. The welding procedure, filler metal, heat input, section thickness, distortion control, post-weld cleaning and final service environment must be reviewed according to the drawing and project specification.
Does 304 stainless steel coil rust?
304 offers good corrosion resistance in many environments, but it is not immune to corrosion. Chlorides, high temperature, surface contamination, damaged passive film, unsuitable cleaners and poor maintenance can lead to staining, pitting or other corrosion. Chloride exposure, chemicals, temperature and maintenance conditions should therefore be confirmed before the order is finalized.
Can you supply 304 coil as cut-to-length sheets?
Yes. Cut-to-length stainless steel sheets can be discussed according to required thickness, width, length, flatness, tolerance, surface protection and package weight. Final capability depends on the specific size and order quantity.
Do you provide a mill test certificate?
Mill test certificates can be supplied according to the actual material and order agreement. Any special document format, EN 10204 requirement, PMI, laboratory test or third-party inspection should be confirmed before ordering.
What information should I send for a quotation?
For a clearer comparison of quotations, review the stainless steel price and RFQ checklist. Please provide the grade, standard, thickness, width, coil ID, surface finish, edge condition, tolerance, quantity, processing requirement, packing method, destination port and required delivery time. A drawing, specification sheet or previous material certificate is also helpful.
Send Your 304 Stainless Steel Coil Specification
Include the standard, dimensions, finish, quantity, processing requirement and destination port. Voyage Metal will review material availability and quotation details based on the complete specification.