SS 304L Chequered PlateASTM A240 · Mill standard · Manufacturer, stockist & exporter, India
AISI 304L · UNS S30403
An SS 304L chequered plate is plate with a raised anti-slip pattern, made from SS 304L to ASTM A240. Chequered plate is used for platforms, walkways, trench covers and ramps.
- ASTM A240
- Mill standard
- EN 10204 3.1 / 3.2
- Export packing
Reviewed by the Kanak Steel & Engineering Co. technical team · Updated October 2026
What is an SS 304L Chequered Plate?
- What it is
- Plate with a raised anti-slip pattern
- Material
- ASTM A240
- Dimensions
- Mill standard
- Grade
- SS 304L · UNS S30403
- Best at
- Welded tanks, piping and vessels in general corrosive service
SS 304L Chequered Plate Specification
| Product | SS 304L Chequered Plate |
|---|---|
| Material standard | ASTM A240 |
| Dimensional standard | Mill standard |
| Thickness | 4.76 mm (3/16") and up |
| Size | Mill plates or cut to drawing |
| Testing | PMI · dimensional · NDT and IGC on request |
| Documents | EN 10204 3.1 · 3.2 with third-party inspection |
When to Choose a Chequered Plate
Chequered plate is used for platforms, walkways, trench covers and ramps.
- Diamond or lentil pattern
- Anti-slip
- Structural thicknesses
More on choosing: Chequered plate guide.
SS 304L Chequered Plate: Why 304L for chequered plates
Chequered plate is used for platforms, walkways, trench covers and ramps. In SS 304L, the choice usually comes down to the medium and temperature — the rows here are the points buyers check for this exact combination.
| Why this grade | Stainless plate goes into vessels and heavy sections. SS 304L is picked for welded tanks, piping and vessels in general corrosive service. |
|---|---|
| Typical service | Process piping — Welded lines in chemical and pharma plants. |
| Matching filler | ER308L (AWS A5.9) |
SS 304L Chequered Plate Chemical Composition
| Element | Weight % |
|---|---|
| Chromium | 17.5 – 19.5 |
| Nickel | 8.0 – 12.0 |
| Carbon | 0.030 max |
| Manganese | 2.00 max |
| Silicon | 0.75 max |
| Nitrogen | 0.10 max |
| Phosphorus | 0.045 max |
| Sulphur | 0.030 max |
SS 304L Chequered Plate Mechanical Properties
| Annealed plate & sheet | Value |
|---|---|
| Tensile strength | 485 MPa · 70 ksi |
| Yield strength 0.2% | 170 MPa · 25 ksi |
| Elongation | 40% |
| Hardness | 201 HB max |
Full chemistry, properties and equivalents are on the SS 304L grade page.
SS 304L Chequered Plates for export
FOB / CIF · Nhava Sheva (JNPT), MumbaiSS 304L Chequered Plate — questions buyers ask
What thickness is chequered plate measured at?
At the base plate, excluding the raised pattern.
Which standard covers SS 304L chequered plates?
The material is ASTM A240; dimensions follow Mill standard. Always state both on your purchase order, with the edition if your project specifies one.
What decides the price of a SS 304L chequered plate?
The alloy price, the size and dimensions, quantity, and the testing and documents required. Send your list and we quote the same working day.
What documents do you supply?
EN 10204 3.1 mill certificates as standard, 3.2 with third-party inspection on request, plus dimensional and PMI reports.
Sources: the ASTM / ASME specifications named on this page and producer datasheets · Last updated October 2026