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38.1 x 16.9mm Raised Expanded Metal, Aluminium (3812A)
Description


3812A. 38.1 x 16.9mm diamond (LWD x SWD), 2.31mm strand.
Diamond pattern. Enlarged, not to scale. Dimensions in mm.

Expanded metal, raised, aluminium. Kenton code 3812A
38.1 x 16.9mm raised expanded metal, aluminium
3812A is raised expanded aluminium with a 38.1 x 16.9mm diamond and 2.31mm strands, giving 73% open area. We keep it in stock, 1.2mm thick, in 2500 x 1250mm sheets.
| ThicknessAluminium, 3812A | Sheet size (mm) |
|---|---|
| 2500 x 1250 | |
| 1.2mm | ✓ In stock |
✓ In stock on the shelf, ready to send; 5 to 7 days made to order; blank = not a standard size
Order in three steps
Pick what you need and we’ll fill in the price request for you.
Choose the thickness
Pick the thickness you need. Sheets marked in stock go out next working day.
Choose the sheet size
Sizes in mm. Blank sizes aren’t made in this thickness.
How many?
You’re asking for
Need it cut to size, folded or made to a drawing? Add the details on the form, or call 0117 963 4579.
Diamond pattern

Enlarged, not to scale. Dimensions in mm.
About 3812A
3812A is raised expanded aluminium with a 38.1 x 16.9mm diamond and 2.31mm strands, giving 73% open area. We keep it in stock, 1.2mm thick, in 2500 x 1250mm sheets.
Flattened or raised?
Raised expanded metal is left as it comes off the expanding press, so the strands sit at an angle to the sheet. Flattened expanded metal is rolled after expanding, so the strands lie flat and the sheet has a smooth surface. 3812A is raised.
What do LWD and SWD mean?
LWD is the long way of the diamond and SWD is the short way, both measured centre to centre. The strand is the width of the metal between the openings.
Not quite right? Compare similar sizes
Anything different from 3812A is marked. See every expanded aluminium sheet
| Code | Diamond | Strand | Thickness | Material | Finish | Stock |
|---|---|---|---|---|---|---|
| 3015M | 30.5 x 11.7mm | 2.36mm | 1.6mm | Mild steel | Raised | ✓ In stock |
| 3815S | 38.1 x 16.5mm | 1.91mm | 1.5mm | Stainless 304 | Raised | ✓ In stock |
| YOU’RE VIEWING3812A | 38.1 x 16.9mm | 2.31mm | 1.2mm | Aluminium | Raised | ✓ In stock |
| 5230MF | 39.1 x 18.3mm | 4.72mm | 2.74mm | Mild steel | Flattened | ✓ In stock |
| 5230AF | 40.6 x 17.8mm | 4.04mm | 3mm | Aluminium | Flattened | ✓ In stock |
| 5212MF | 43.4 x 14.2mm | 2.31mm | 1.14mm | Mild steel | Flattened | ✓ In stock |
| 5230M | 50.8 x 22.6mm | 3.12mm | 3mm | Mild steel | Raised | ✓ In stock |
Highlighted where it differs from 3812A
Get a price
Your choice is already filled in below. Add your details and we’ll come back with a price and a delivery date, usually the same working day. Need a different size? We can cut sheets down, so just add the sizes.
Phone
0117 963 4579Address
25/26 Barnack Trading Centre
Novers Hill, Bristol BS3 5QE
Opening hours
Monday to Thursday 8:30 to 5
Friday 8:30 to 3



