SA-387 Gr 11 Cl 2 Hot-rolled PlateASTM A387 · ASTM A480 / B906 / A20 · Manufacturer, stockist & exporter, India
ASTM A387 Gr 11 Cl 2 · 1¼Cr-½Mo plate
An SA-387 Gr 11 Cl 2 hot-rolled plate is plate rolled at high temperature and annealed or normalised, made from SA-387 Gr 11 Cl 2 to ASTM A387 Gr 11 Cl 2 · ASME SA-387. Hot-rolled plate is the standard plate for vessels, tanks and structures, cut to size as needed.
- ASTM A387
- 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 SA-387 Gr 11 Cl 2 Hot-rolled Plate?
- What it is
- Plate rolled at high temperature and annealed or normalised
- Material
- ASTM A387 Gr 11 Cl 2 · ASME SA-387
- Dimensions
- ASTM A480 / B906 / A20
- Grade
- SA-387 Gr 11 Cl 2
- Best at
- Hot, high-pressure reactors and heat exchangers
SA-387 Gr 11 Cl 2 Hot-rolled Plate Specification
| Product | SA-387 Gr 11 Cl 2 Hot-rolled Plate |
|---|---|
| Material standard | ASTM A387 Gr 11 Cl 2 · ASME SA-387 |
| Dimensional standard | ASTM A480 / B906 / A20 |
| Thickness | 4.76 mm (3/16") and up |
| Size | Mill plates or cut to drawing |
| Testing | Chemical & mechanical per heat · NDT · impact where specified |
| 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.
SA-387 Gr 11 Cl 2 Hot-rolled Plate: Why 387-11 for hot-rolled plates
Hot-rolled plate is the standard plate for vessels, tanks and structures, cut to size as needed. In SA-387 Gr 11 Cl 2, 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 | Carbon and low-alloy plate is the workhorse of pressure vessels and structures. SA-387 Gr 11 Cl 2 is picked for hot, high-pressure reactors and heat exchangers. |
|---|---|
| Typical service | Refineries — Hydroprocessing reactors. |
| Matching filler | ER80S-B2 / E8018-B2 |
SA-387 Gr 11 Cl 2 Hot-rolled Plate Chemical Composition
| Element | Weight % |
|---|---|
| Chromium | 1.00 – 1.50 |
| Molybdenum | 0.45 – 0.65 |
| Carbon | 0.05 – 0.17 |
| Manganese | 0.40 – 0.65 |
| Silicon | 0.50 – 0.80 |
| Phosphorus | 0.025 max |
| Sulphur | 0.025 max |
SA-387 Gr 11 Cl 2 Hot-rolled Plate Mechanical Properties
| Class 2 | Value |
|---|---|
| Tensile strength | 515 – 690 MPa · 75 – 100 ksi |
| Yield strength | 310 MPa · 45 ksi |
| Elongation (50 mm) | 22% |
Full chemistry, properties and equivalents are on the SA-387 Gr 11 Cl 2 grade page.
SA-387 Gr 11 Cl 2 Hot-rolled Plates for export
FOB / CIF · Nhava Sheva (JNPT), MumbaiSA-387 Gr 11 Cl 2 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 SA-387 Gr 11 Cl 2 hot-rolled plates?
The material is ASTM A387 Gr 11 Cl 2 · ASME SA-387; 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 SA-387 Gr 11 Cl 2 hot-rolled plate?
The steel 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