SS 310 / 310S Hot-rolled PlateASTM A240 · ASTM A480 / B906 / A20 · Manufacturer, stockist & exporter, India
AISI 310S · UNS S31008
An SS 310 / 310S hot-rolled plate is plate rolled at high temperature and annealed or normalised, made from SS 310 / 310S 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 310 / 310S 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 310 / 310S · UNS S31008
- Best at
- Furnaces, burners and heat treatment at high temperature
SS 310 / 310S Hot-rolled Plate Specification
| Product | SS 310 / 310S 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 310 / 310S Hot-rolled Plate: Why 310S for hot-rolled plates
Hot-rolled plate is the standard plate for vessels, tanks and structures, cut to size as needed. In SS 310 / 310S, 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 310 / 310S is picked for furnaces, burners and heat treatment at high temperature. |
|---|---|
| Typical service | Furnace parts — Muffles, retorts, radiant tubes and conveyor belts. |
| Matching filler | ER310 (AWS A5.9) |
SS 310 / 310S Hot-rolled Plate Chemical Composition
| Element | Weight % |
|---|---|
| Chromium | 24.0 – 26.0 |
| Nickel | 19.0 – 22.0 |
| Carbon | 0.08 max |
| Manganese | 2.00 max |
| Silicon | 1.50 max |
| Phosphorus | 0.045 max |
| Sulphur | 0.030 max |
| Iron | Balance |
SS 310 / 310S Hot-rolled Plate Mechanical Properties
| Annealed plate & sheet | Value |
|---|---|
| Tensile strength | 515 MPa · 75 ksi |
| Yield strength 0.2% | 205 MPa · 30 ksi |
| Elongation | 40% |
| Hardness | 217 HB max |
Full chemistry, properties and equivalents are on the SS 310 / 310S grade page.
SS 310 / 310S Hot-rolled Plates for export
FOB / CIF · Nhava Sheva (JNPT), MumbaiSS 310 / 310S 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 310 / 310S 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 310 / 310S 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