Stainless Steel Sheet Bright Polish 6mm Thick Many Size Grade A2 304 L50-450mm

Keine Bewertungen

Preis:
Sonderpreis$15.84 USD
Lagerbestand:
Verfügbar (500 Stück), versandbereit

Payment & Security

Ach Direct Debit Amazon American Express Apple Pay Bancontact Diners Club Discover Google Pay iDEAL Wero Mastercard PayPal Shop Pay USDC Visa

Deine Zahlungsinformationen werden sicher verarbeitet. Wir speichern keine Kreditkartendaten und haben auch keinen Zugang zu deinen Kreditkartendaten.

Quantity Discount Promotion
🎯 BULK DISCOUNT: Buy More, Save More!
Buy 2 Items
5% OFF
Buy 4 Items
10% OFF
Buy 6 Items
15% OFF
Expert

DIY Expert Support

Get fitment advice & recommendations

Mon-Fri, 8:30AM-8PM
24-Hour Fast Ship
🚚
Arrives in 3-14 days
🌍
Global Reach
↩️
30-Day Returns
🌱 1 tree planted with every purchase

Beschreibung

Stainless Steel Sheet 6mm Thick — Grade 304 A2, Bright Polished Finish for DIY & Fabrication

When your project demands a flat metal surface that holds up to moisture, mechanical stress, and daily wear without corroding or warping, a thin sheet simply won't do. Makers, fabricators, and serious DIYers who need structural rigidity turn to 6mm stainless steel sheet — thick enough to bear load, light enough to cut and drill at home with the right tooling.

These stainless steel sheets are Grade 304 (A2), a widely used austenitic alloy containing 18% chromium and 8% nickel. The bright polished surface finish gives a clean, reflective appearance straight out of the pack. Sizes range from 50mm × 50mm up to 450mm × 450mm (approximately 2" × 2" to 17.7" × 17.7"), all at a consistent 6mm (approx. ¼") thickness. Available in single pieces or packs of two for smaller sizes.

Typical applications include custom brackets and gusset plates for structural joinery, protective wear plates in high-traffic or high-impact zones, base plates for machinery or equipment mounting, and decorative architectural panels where a mirror-like surface is required. The 304 alloy is also a go-to choice for outdoor furniture hardware, marine-adjacent environments, and food-contact fabrication where hygiene matters.

🔩 Compatibility note: Grade 304 A2 stainless steel is compatible with standard HSS and carbide drill bits, angle grinders with stainless-rated discs, and most MIG/TIG welding setups. Use cutting fluid when drilling to extend tool life and achieve cleaner edges.

✅ Key Features of These Stainless Steel Sheets

  • 🔬 Grade 304 A2 Alloy — 18/8 chromium-nickel composition delivers reliable corrosion resistance in wet, humid, and mildly acidic environments without surface treatment.
  • Bright Polished Finish — Smooth, reflective surface is ready to use as-is for decorative applications or can be further finished with abrasive pads for a brushed look.
  • 📐 Consistent 6mm Thickness — Uniform ¼" thickness across all size options ensures predictable drilling, cutting, and welding behaviour with no warping under normal workshop conditions.
  • 📦 Multiple Size Options — Thirteen size variants from 50 × 50mm to 450 × 450mm let you order exactly the footprint you need, reducing offcut waste on your project.
  • 🔧 Workshop-Ready Stock — Flat-cut edges are suitable for direct use as base plates, wear plates, or structural gussets without additional surface prep in most applications.
  • 🧲 Low Magnetic Response — Austenitic 304 stainless is essentially non-magnetic in the annealed state, making it suitable for applications where magnetic interference must be minimised.

📐 Technical Specifications — Stainless Steel Sheet

Material Stainless Steel Grade 304 (A2)
Composition 18% Chromium, 8% Nickel (18/8)
Thickness 6mm (approx. ¼")
Size Range 50 × 50mm to 450 × 450mm (see variant options)
Surface Finish Bright Polished
Quantity per Order See variant options (1 or 2 pieces)
Tensile Strength Typically 515–720 MPa (Grade 304 standard range)
Yield Strength Typically ≥205 MPa (Grade 304 standard)
Hardness Typically ≤92 HRB (Rockwell B)
Weight See variant options
Corrosion Resistance Suitable for indoor, outdoor, and mildly corrosive environments
Weldability Compatible with MIG and TIG welding processes
Machinability Drillable and cuttable with HSS or carbide tooling

❓ Frequently Asked Questions

Which size should I choose for a structural bracket or gusset plate?

Match the sheet size to the footprint of your bracket design with at least 5–10mm of margin on each edge for drilling clearance. For a standard 90° corner gusset on timber framing, the 100 × 100mm or 150 × 150mm options are the most common starting points. For heavier structural connections, the 200 × 200mm or larger variants provide more bearing area.

Is 6mm stainless steel strong enough for load-bearing applications?

Grade 304 at 6mm thickness has a tensile strength typically in the 515–720 MPa range and a yield strength of ≥205 MPa, which is adequate for many light-to-medium structural uses such as shelf brackets, equipment base plates, and reinforcement gussets. For safety-critical or high-load structural engineering applications, always consult a qualified engineer and verify against your local building codes.

Will this sheet rust or corrode outdoors?

Grade 304 A2 stainless steel offers good corrosion resistance in most outdoor environments, including rain and humidity. It is not fully immune — prolonged exposure to chloride-rich environments (such as coastal salt air or de-icing salts) can cause surface staining or pitting over time. For marine or coastal installations, Grade 316 (A4) is generally recommended instead.

Can I cut or drill this sheet at home with standard tools?

Yes. A 6mm stainless sheet can be drilled with HSS-Co (cobalt) or carbide-tipped drill bits at low speed with cutting fluid applied. For straight cuts, an angle grinder fitted with a stainless-rated cutting disc works well. Avoid using tools previously used on mild steel without cleaning, as embedded iron particles can cause surface rust spots on the stainless.

Is Grade 304 the same as 18/8 stainless steel?

Yes — "18/8" is a common shorthand referring to the approximate 18% chromium and 8% nickel content of Grade 304. The A2 designation is the ISO equivalent classification used in fastener and sheet standards. All three terms (304, 18/8, A2) describe the same alloy family and can be used interchangeably in most DIY and light fabrication contexts.

How do I choose between ordering 1 piece or 2 pieces?

The quantity option lets you order a single sheet or a pack of two in one transaction. If your project requires symmetrical pairs — such as matching brackets on either side of a joint, or two identical wear plates — ordering a pack of two ensures both pieces come from the same production batch, giving you consistent finish and dimensions across both parts.

Can this sheet be welded, and does welding affect corrosion resistance?

Grade 304 is readily weldable using MIG or TIG processes with 308L filler wire. Welding does create a heat-affected zone where carbide precipitation can slightly reduce localised corrosion resistance — a phenomenon called sensitisation. For most DIY and light fabrication uses this is not a practical concern, but if the weld area will be exposed to aggressive chemicals or prolonged moisture, post-weld passivation or using a low-carbon 304L variant is advisable.

🛒 Select your size and quantity above, then add to cart.

You may also like

Recently viewed