316 stainless steel expanded mesh is formed by slitting and stretching a single 316 or 316L sheet in one continuous press operation - nothing is welded or woven, so every strand runs unbroken through the panel. It is available in raised or flattened condition, in standard panel sizes or cut to your drawing. For non-standard openings we cut custom tooling: send the SWD × LWD, thickness and strand width you need, and we will confirm tooling and minimum order before quoting.
Product Specifications
|
Parameter |
Range |
Tolerance |
|
Material |
316 / 316L (UNS S31600 / S31603) |
- |
|
Sheet Thickness (T) |
0.5 – 8.0 mm |
Per ASTM A480/A480M |
|
Strand Width (W) |
0.5 – 12 mm |
Per ASTM F1267 |
|
SWD (Short Way of Diamond) |
5 – 60 mm |
±5% centre-to-centre |
|
LWD (Long Way of Diamond) |
10 – 150 mm |
±5% centre-to-centre |
|
Open Area |
30 – 75% |
Calculated per pattern |
|
Condition |
Raised (standard) / Flattened |
Camber & flatness quoted for flattened only |
|
Panel Size |
1220 × 2440 and 1500 × 3000 mm standard; up to 2000 × 6000 mm |
Per ASTM F1267; cut-to-size ±1/16 in. (≈1.6 mm) |
|
Base Sheet Mechanical Properties |
Tensile ≥515 MPa · Yield ≥205 MPa · Elongation 40% |
Minimum, annealed, per ASTM A240 |
|
Standards |
ASTM F1267 · ASTM A240 / A666 · EN 10204 3.1 |
- |
Material & Mesh Structure
Grade 316 contains 2–3% molybdenum, which is what gives it resistance to pitting and crevice corrosion in chloride-bearing service. 316L is the low-carbon version and should be specified when the mesh is welded into a frame, because it resists sensitisation in the heat-affected zone.
The mesh is formed from a single sheet by slitting and stretching, so the strands run continuous through every node: no welded joints to crack under vibration, no joint crevices to start corrosion. Strand thickness equals the base sheet thickness, giving uniform thickness across the panel.
Manufacturing Process
Incoming sheet : grade and thickness verified against the mill certificate.
Slitting and stretching : one continuous press operation. No material added or removed, no welding.
Levelling : optional roller levelling flattens the strand profile.
Cutting : to panel size, coil length, or cut-to-size against a drawing.
Edge treatment : deburred as standard; edge capping or frame welding on request.
Surface finishing: pickling and passivation, or electropolishing.
Applications
|
Industry |
Typical applications |
Typical spec direction |
|
Marine & offshore |
Offshore platform walkways, ship deck grating, seawater filter support |
Raised, 3.0–8.0 mm |
|
Chemical processing |
Reactor tower packing supports, pickling line guards, chlor-alkali filter mesh |
Raised or flattened |
|
Pharmaceutical & biotech |
Cleanroom return-air grilles, sterilisation trays, sieving mesh |
Flattened, electropolished |
|
Food processing |
Baking racks, conveyor guarding, wash-line spray guards |
Flattened for product contact |
|
Architecture & decoration |
Curtain wall sunshades, railing infill, decorative ceiling mesh |
Flattened, uniform open area |
|
Industrial protection |
Machine guards, cable tray covers, annealing furnace shielding |
Raised, aperture per guarding rule |
Quality Control
Incoming sheet
Grade and thickness verified against the steel mill's Material Test Report for each heat number.
01
In-process
SWD, LWD, strand width and sheet thickness checked during production.
02
Finished goods
Panel dimensions, squareness, flatness on flattened mesh, edge and surface condition, open area.
03
Traceability
Heat number recorded and tied to the shipment.
04
Documents on request
Material Test Report, EN 10204 3.1 certificate, dimensional inspection report, and third-party inspection by SGS, BV or an agency you nominate.
05
FAQ
Q: Are you on board with third-party inspections and material certifications?
A: Absolutely! We work with inspection agencies like SGS and BV. Every shipment comes with the steel mill's Material Test Report (MTR) and an EN 10204 3.1 certificate.
Q: What kinds of surface treatments can you get for 316 stainless steel expanded mesh?
A: You have a few options: pickling and passivation, electropolishing, or even flattening to achieve the right look for sanitary or decorative purposes.
Q: What is the main difference between 316 stainless steel expanded mesh and 304 steel expanded mesh?
A: Well Grade 316 has 2‑3% molybdenum, which gives Grade 316 way resistance to chloride‑induced pitting corrosion compared to Grade 304. That is why Grade 316 is a choice, for marine environments, salt spray and chemical settings.
Q: What do you need to quote?
A: Grade, sheet thickness, strand width, SWD × LWD or a drawing, raised or flattened, panel or coil size, quantity, surface finish, edge treatment and destination port. With those we can usually quote the same day.What do you need to quote? Grade, sheet thickness, strand width, SWD × LWD or a drawing, raised or flattened, panel or coil size, quantity, surface finish, edge treatment and destination port. With those we can usually quote the same day.
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