304 316L Stainless Steel Foil For Cooking
Grade：SUS304 / 1.4301 /SUS316L / 1.4404
Thickness：0.02–0.50 mm
Width：10–600 mm
Length：Coil or Cut-to-Length
Surface Finish：BA, 2B, Bright, Mirror
Hardness：Soft Annealed, 1/4H, 1/2H, Full Hard
Edge：Slit Edge (SE), Mill Edge (ME)
Thickness Tolerance：±0.002–0.005 mm
Coil ID：300 mm / 400 mm / 508 mm
Coil Weight：10–500 kg
Protective Film;PVC Film Available
Certificate:EN 10204 3.1 MTC
304 & 316L Stainless Steel Foil Supplier and Manufacturer
GNEE supplies food-grade stainless steel foil made from high-quality AISI 304 (18/8) and 316L (18/10) raw materials, with thicknesses ranging from 0.02mm to 0.15mm. Featuring a precision-rolled 2B/BA finish, the product is designed for applications such as cookware liners, steam/bake trays, stamped kitchenware accessories, and food-contact gaskets. It complies with global food-contact safety standards-including FDA 21 CFR 175.300, EU LFGB, and GB 4806.9-2016-ensuring safety for long-term, direct contact with both acidic and alkaline foods.
We utilize 20-high Sendzimir precision rolling mills to control thickness tolerance within ±0.002mm and flatness within ≤5 I-units. Uniform coil tension ensures trouble-free downstream processing (stamping, deep drawing, etching) without wrinkling or strip breakage. Standard specifications (0.03mm, 0.05mm, 0.08mm, 0.1mm; widths of 300–600mm) are available with an MOQ as low as 500kg and a 7–10 day lead time; custom slitting and specific tempers (1/4H, 1/2H, 3/4H) have a lead time of 15–20 days. Small-batch trial orders are welcome, and free samples are available!
What is 304 stainless steel foil for cooking?
304 stainless steel foil is an ultra-thin, highly durable, and corrosion-resistant sheet of 18/8 grade stainless steel. In the culinary world, it serves as a reusable, food-safe, and easy-to-clean alternative to aluminum foil; commonly used for lining baking trays, wrapping food, or creating custom pouches for steaming and grilling, it can safely withstand continuous operating temperatures of up to 870°C (1600°F) without melting or degrading in performance.
What is food-grade 316L stainless steel foil?
Food-Grade 316L Stainless Steel Foil is an ultra-thin, highly corrosion-resistant metal sheet (typically 0.02 mm to 0.08 mm thick). It is widely used for premium food packaging, sanitary conveyor belts, and demanding food processing equipment. The "316L" designation means it features low carbon and contains molybdenum, which prevents rusting and pitting from acids and salts.
304 / 316L Stainless Steel Foil for Cooking Specification
| Product Name |
304 / 316L Stainless Steel Foil for Cooking |
| Standard | ASTM A240 / ASTM A666 / EN 10088 |
| Material Grade | SUS304 / 1.4301 SUS316L / 1.4404 |
| Thickness | 0.02–0.50 mm |
| Width | 10–600 mm |
| Length | Coil or Cut-to-Length |
| Surface Finish | BA, 2B, Bright, Mirror |
| Temper | Soft Annealed, 1/4 Hard, 1/2 Hard, Full Hard |
| Edge | Slit Edge (SE), Mill Edge (ME) |
| Thickness Tolerance | ±0.002–0.005 mm |
| Width Tolerance | ±0.05 mm |
| Coil ID | 300 mm / 400 mm / 508 mm |
| Coil Weight | 10–500 kg |
| Protective Film | PVC Film Available |
| Certificate | EN 10204 3.1 MTC |
Chemical Composition (%)
| Grade | C | Si | Mn | P | S | Cr | Ni | Mo |
|---|---|---|---|---|---|---|---|---|
| 304 | ≤0.08 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.030 | 18.0–20.0 | 8.0–10.5 | - |
| 316L | ≤0.03 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.030 | 16.0–18.0 | 10.0–14.0 | 2.0–3.0 |
Mechanical Properties
| Property | 304 | 316L |
|---|---|---|
| Tensile Strength | ≥515 MPa | ≥485 MPa |
| Yield Strength (0.2%) | ≥205 MPa | ≥170 MPa |
| Elongation | ≥40% | ≥40% |
| Hardness | ≤201 HB | ≤217 HB |
| Density | 7.93 g/cm³ | 7.99 g/cm³ |
Heat Resistance
| Property | 304 | 316L |
|---|---|---|
| Continuous Service Temperature | Up to 870°C | Up to 925°C |
| Intermittent Service Temperature | Up to 925°C | Up to 870°C |
Could you tell me a bit more about your project? Specifically:What industry or application are you considering using this foil for?Are you looking for a specific thickness or grade (like 304 or 316)?I can help you find the right material specs or sourcing information.
304 VS.316L Stanless Steel Foil vs Aluminum Foil
|
Parameter |
304 Stainless Steel Foil |
316L Stainless Steel Foil |
Traditional Aluminum Foil |
|
Thickness |
0.01-0.1mm (customizable) |
0.01-0.1mm (customizable) |
0.006-0.02mm |
|
Max Temperature |
800°C (dry heat) |
850°C (dry heat) |
400°C (melts easily) |
|
Corrosion Resistance |
Resists weak acids/alkalis |
Resists strong acids/alkalis and chlorides |
Prone to corrosion by acidic foods |
|
Safety |
No heavy metal migration |
No heavy metal migration |
Aluminum ions may leach into food |
|
Reusability |
Reusable 50+ times |
Reusable 50+ times |
Single-use only |
|
Certifications |
FDA, EU 10/2011 compliant |
FDA, EU 10/2011 compliant |
Not specified |
|
Applications |
General cooking, baking |
Marine/acidic food preparation |
Conventional cooking, takeout |
304 vs. 316L Stainless Steel Foil: How to Choose?
Grade 304 is recommended for standard cookware, inner liners, and steamers. However, for applications involving contact with high-salt or high-acid foods (such as tomato sauce, pickled ingredients, or seafood processing equipment) or use in humid coastal environments, Grade 316L is strongly recommended; the addition of molybdenum significantly enhances resistance to pitting corrosion and stress corrosion cracking.
What is the difference between 2B and BA finishes, and which one is used for cooking applications?
The 2B finish involves cold rolling, annealing and pickling, and skin-passing; it has a matte silver-gray appearance with a roughness (Ra) of approximately 0.2–0.5 μm. The BA finish (Bright Annealed) is mirror-like, with an Ra ≤ 0.1 μm, offering high reflectivity and ease of cleaning. BA finishes are typically chosen for the inner liners of high-end cookware and for baking trays, whereas 2B is used for standard stamped parts.
How should the hardness temper be selected (e.g., 1/4H, 1/2H, or Full Hard)?
Hardness is determined by the degree of cold-work deformation: the annealed state (ANN) is suitable for deep drawing; 1/4H is suitable for shallow drawing or bending; 1/2H offers good elasticity, making it suitable for gaskets and spring clips; and Full Hard (H) provides the highest strength, making it suitable for structural components requiring rigid support. Cookware inner liners formed via drawing typically use the annealed state or 1/4H.
Quality Inspection
Each shipment is accompanied by an EN 10204 Type 3.1 Mill Test Certificate detailing the heat number, spectral analysis of chemical composition (actual values for key elements such as C, Cr, Ni, and Mo), mechanical properties (tensile strength, yield strength, and elongation), grain size, and hardness data, ensuring full traceability to the original steel mill heat/batch number. Third-party re-inspection reports from SGS or ITS can be provided upon request.
High-Quality Packaging
Coils are protected by a triple-layer packaging system consisting of a paper core, moisture-proof paper, and a wooden pallet; fumigated pallets for sea freight can be marked with the IPPC stamp, ensuring comprehensive protection against rust and scratches. Prior to dispatch, products undergo 100% visual inspection and eddy current testing (ET) spot checks to eliminate surface defects such as pinholes, lamination, and scratches.
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