SA-387 Gr 11 Cl 2: properties, composition, uses and standards
SA-387 Gr 11 Cl 2 is a chrome-moly pressure-vessel plate, chosen for hot, high-pressure reactors and heat exchangers., density 7.85 g/cm³.
What is SA-387 Gr 11 Cl 2?
SA-387 Gr 11 Cl 2 is a chrome-moly pressure-vessel plate. Engineers choose it for hot, high-pressure reactors and heat exchangers. It is also known as ASTM A387 Gr 11 Cl 2, 1¼Cr-½Mo plate, Chrome-moly plate.
- Designation
- SA-387 Gr 11 Cl 2
- Also called
- ASTM A387 Gr 11 Cl 2 · 1¼Cr-½Mo plate · Chrome-moly plate
- Standard
- ASTM A387 Grade 11
- Density
- 7.85 g/cm³
- Melting range
- 1420 – 1530 °C
- Magnetic
- Magnetic
Chemical composition
Under technical review for TDS.
| Element | Current requirement |
|---|---|
| Chromium | As specified |
| Molybdenum | As specified |
| Carbon | As specified |
| Manganese | As specified |
| Silicon | As specified |
| Phosphorus | As specified |
| Sulphur | As specified |
Numerical specification requirements are published only after the applicable current standard edition has been verified. Governing specification to be verified: ASTM A387 Grade 11.
Mechanical properties
Under technical review for TDS.
| Property | Current requirement |
|---|---|
| Tensile strength | As specified |
| Yield strength | As specified |
| Elongation (50 mm) | As specified |
Numerical specification requirements are published only after the applicable current standard edition has been verified. Governing specification and condition to be verified: ASTM A387 Grade 11 — Class 2.
Where SA-387 Gr 11 Cl 2 is used
- Refineries. Hydroprocessing reactors. Industry →
- Power. Boiler and heater components. Industry →
Welding 387-11
The matching filler is ER80S-B2 / E8018-B2. Preheat and PWHT required.
SA-387 Gr 11 Cl 2 standards by product
| Product | Standard |
|---|---|
| SA-387 Gr 11 Cl 2 plate | ASTM A387 Gr 11 Cl 2 · ASME SA-387 |
Buying SA-387 Gr 11 Cl 2: what to specify
- The product standard and the UNS or designation — for example ASTM A387 Gr 11 Cl 2 · ASME SA-387.
- Size, thickness or schedule, and quantity in pieces and kg or metres.
- Heat-treatment condition where the standard offers a choice.
- Certificate: EN 10204 3.1 or 3.2 available on request / as specified in the PO; ask for 3.2 if a third party must witness.