SS 904L Chequered PlateASTM A240 · Mill standard · Manufacturer, stockist & exporter, India
Alloy 904L · UNS N08904
An SS 904L chequered plate is plate with a raised anti-slip pattern, made from SS 904L to ASTM A240 · B625. 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 904L Chequered Plate?
- What it is
- Plate with a raised anti-slip pattern
- Material
- ASTM A240 · B625
- Dimensions
- Mill standard
- Grade
- SS 904L · UNS N08904
- Best at
- Dilute sulphuric acid, phosphoric acid and chloride-bearing cooling water
SS 904L Chequered Plate Specification
| Product | SS 904L Chequered Plate |
|---|---|
| Material standard | ASTM A240 · B625 |
| 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 904L Chequered Plate: Why 904L for chequered plates
Chequered plate is used for platforms, walkways, trench covers and ramps. In SS 904L, 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 904L is picked for dilute sulphuric acid, phosphoric acid and chloride-bearing cooling water. |
|---|---|
| Typical service | Sulphuric acid plants — Coolers, piping and tanks for dilute sulphuric acid. |
| Matching filler | ER385 (AWS A5.9) |
SS 904L Chequered Plate Chemical Composition
| Element | Weight % |
|---|---|
| Nickel | 23.0 – 28.0 |
| Chromium | 19.0 – 23.0 |
| Molybdenum | 4.0 – 5.0 |
| Copper | 1.0 – 2.0 |
| Carbon | 0.020 max |
| Manganese | 2.00 max |
| Silicon | 1.00 max |
| Nitrogen | 0.10 max |
SS 904L Chequered Plate Mechanical Properties
| Annealed plate & sheet | Value |
|---|---|
| Tensile strength | 490 MPa · 71 ksi |
| Yield strength 0.2% | 220 MPa · 31 ksi |
| Elongation | 35% |
| Hardness | 90 HRB max |
Full chemistry, properties and equivalents are on the SS 904L grade page.
SS 904L Chequered Plates for export
FOB / CIF · Nhava Sheva (JNPT), MumbaiSS 904L Chequered Plate — questions buyers ask
What thickness is chequered plate measured at?
At the base plate, excluding the raised pattern.
Which standard covers SS 904L chequered plates?
The material is ASTM A240 · B625; 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 904L 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