SS 904L Hot-rolled PlateASTM A240 · ASTM A480 / B906 / A20 · Manufacturer, stockist & exporter, India
Alloy 904L · UNS N08904
An SS 904L hot-rolled plate is plate rolled at high temperature and annealed or normalised, made from SS 904L to ASTM A240. Hot-rolled plate is the standard plate for vessels, tanks and structures, cut to size as needed.
- ASTM A240
- ASTM A480 / B906 / A20
- 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 Hot-rolled Plate?
- What it is
- Plate rolled at high temperature and annealed or normalised
- Material
- ASTM A240
- Dimensions
- ASTM A480 / B906 / A20
- Grade
- SS 904L · UNS N08904
- Best at
- Dilute sulphuric acid, phosphoric acid and chloride-bearing cooling water
SS 904L Hot-rolled Plate Specification
| Product | SS 904L Hot-rolled Plate |
|---|---|
| Material standard | ASTM A240 |
| Dimensional standard | ASTM A480 / B906 / A20 |
| 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 Hot-rolled Plate
Hot-rolled plate is the standard plate for vessels, tanks and structures, cut to size as needed.
- Standard plate route
- Full plates or cut to drawing
- Thickness 4.76 mm and up
More on choosing: Hot-rolled plate guide.
SS 904L Hot-rolled Plate: Why 904L for hot-rolled plates
Hot-rolled plate is the standard plate for vessels, tanks and structures, cut to size as needed. 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 Hot-rolled 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 Hot-rolled 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 Hot-rolled Plates for export
FOB / CIF · Nhava Sheva (JNPT), MumbaiSS 904L Hot-rolled Plate — questions buyers ask
Is hot-rolled plate suitable for pressure vessels?
Yes, when supplied to the pressure-vessel specification and certified accordingly.
Which standard covers SS 904L hot-rolled plates?
The material is ASTM A240; dimensions follow ASTM A480 / B906 / A20. Always state both on your purchase order, with the edition if your project specifies one.
What decides the price of a SS 904L hot-rolled 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