Stainless Steel Sheet 301/304 — Precision Thin Foil Plate 0.01–2.5mm Thick

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Beschreibung

Stainless Steel Sheet 301/304 — Precision Thin Foil Plate for Shimming, Fabrication & Repair

When a project demands exact tolerances — whether you're shimming a bearing, fabricating a custom bracket, or cutting a gasket blank — generic hardware store sheet metal rarely comes in the thickness you actually need. Machinists, fabricators, hobbyists, and maintenance technicians all face the same frustration: sourcing precision-thickness stainless steel sheet in small quantities without ordering a full industrial roll.

Each listing covers individual flat sheets of 301 or 304 stainless steel, available in thicknesses from 0.01mm (≈0.0004") to 2.5mm (≈0.098"), with sheet dimensions ranging from 100×100mm (≈3.94"×3.94") up to 200×300mm (≈7.87"×11.81") and 100×500mm (≈3.94"×19.69"). Packs of 1, 2, or 5 pieces are available depending on the size selected. The surface is mill-finished with consistent flatness suitable for precision shimming and light fabrication work.

Typical applications include precision shim stock for machine tool alignment, stainless steel gasket blanks for plumbing and mechanical assemblies, spring shim material for custom clips and retainers (301 grade), backing plates for welding fixtures, and thin metal sheet for DIY electronics enclosures or craft metalwork.

ℹ️ Grade Compatibility: 304 stainless steel suits general corrosion-resistant applications. 301 stainless steel offers higher tensile strength and spring-back — ideal for flexible shims and spring components. Select your grade and size using the variant options above.
⚠️ Verify your required thickness before ordering. Ultra-thin foil sheets (0.01–0.05mm) are extremely delicate. Handle with care and confirm your gap measurement with a feeler gauge or micrometer prior to purchase.

✅ Key Features of These Stainless Steel Thin Foil Shim Sheets

  • 📏Ultra-Wide Thickness Range — Available from 0.01mm to 2.5mm, covering everything from feeler-gauge-thin foil to structural shim plate in a single product line.
  • 🔩Dual Grade Selection — Choose 304 stainless steel for corrosion resistance in wet or food-adjacent environments, or 301 stainless steel for spring-temper shimming and flexible component fabrication.
  • ✂️Workable Flat Sheet Format — Supplied as flat, unrolled sheets ready to cut, punch, or shape — no need to flatten coiled shim stock before use.
  • 📐Multiple Sheet Sizes — Square 100×100mm sheets for compact shimming tasks, plus larger 100×300mm, 200×300mm, and 100×500mm formats for gasket blanks and panel fabrication.
  • 🛡️Rust-Resistant Alloy — Both 301 and 304 grades resist oxidation and surface rust in typical indoor, outdoor, and humid workshop environments without surface coating.
  • 📦Flexible Pack Quantities — Order 1, 2, or 5 pieces per variant — useful for stacking multiple thin sheets to dial in a precise combined thickness or keeping spares on hand for iterative fitting.

📐 Technical Specifications — Stainless Steel Thin Foil Sheet

Material 304 Stainless Steel or 301 Stainless Steel (select via Types option)
Thickness Range 0.01mm (≈0.0004") — 2.5mm (≈0.098")
Sheet Dimensions 100×100mm / 100×300mm / 200×300mm / 100×500mm (see variant options)
Surface Finish Mill finish (2B-style flat surface)
Packaging Quantity 1 Pc / 2 Pcs / 5 Pcs (see variant options)
Hardness / Temper See variant options — 301 typically harder/spring temper; 304 typically annealed
Corrosion Resistance Good — suitable for indoor, outdoor, and humid environments
Magnetism 301 may be slightly magnetic after cold working; 304 generally non-magnetic
Country of Origin Contact us to confirm

❓ Frequently Asked Questions

How do I choose the right thickness for my application?

Match the thickness to your gap or tolerance requirement. For gasket shimming, measure the gap with feeler gauges first. Thinner sheets (0.01–0.1mm) are typically used for fine tolerance adjustments, while thicker sheets (0.5–2.5mm) suit structural spacers and backing plates. As a reference, 0.1mm is approximately 0.004".

What is the difference between 301 and 304 stainless steel?

304 stainless steel generally offers better corrosion resistance and is the most widely used grade for food-contact, marine-adjacent, and general industrial applications. 301 stainless steel has slightly higher carbon content, giving it greater tensile strength and spring-like properties — making it a common choice for spring shims, clips, and flexible components.

Can these sheets be used outdoors or in humid environments?

Both 301 and 304 stainless steel provide good resistance to rust and oxidation in typical outdoor and humid conditions. 304 is generally preferred for environments with moisture or mild chemical exposure. For highly corrosive or saltwater environments, 316 stainless steel is typically recommended instead.

Can I cut or shape these sheets at home?

Yes. Thin foil sheets (under 0.3mm) can generally be cut with sharp metal shears or a utility knife and straightedge. Thicker sheets (0.5mm and above) typically require tin snips, an angle grinder, or a metal-cutting blade. Always wear gloves — cut edges can be sharp.

What sizes are available and how do I read the dimensions?

Dimensions are listed as Thickness × Width × Length in millimeters. For example, 0.1×100×100mm means 0.1mm thick, 100mm wide, 100mm long (approximately 0.004" × 3.94" × 3.94"). Larger formats such as 100×300mm (≈3.94"×11.81") and 200×300mm (≈7.87"×11.81") are also available for applications requiring more coverage area.

How many pieces come in each order?

You can select 1, 2, or 5 pieces per order depending on the variant. Multi-piece packs are available for thinner sizes where you may need extras for testing or stacking to achieve a target thickness.

Are these sheets suitable for use as gasket material?

Stainless steel shim sheets are commonly used as rigid gasket blanks or shim stock in mechanical assemblies. They are not compressible like rubber gaskets, so they work best where a solid, non-deforming spacer is needed — such as between flanges, under bearing housings, or in precision machinery.

🛒 Select your size, grade, and quantity above, then add to cart — ships from our US warehouse.

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