Material – ASTM B 818 R31233
Standard Specification for Cobalt-Chromium-Nickel-Molybdenum-Tungsten Alloy Plate, Sheet and Strip
Group - Non-Ferrous Nickel Alloys
Sub Group - ASTM B 818 R31233 Cobalt-Chromium-Nickel-Molybdenum-Tungsten Alloy Plate, Sheet and Strip
Application - Intended for Valve, Pump, General Engineering, Automotive, Medical and other Industries
Grade Belongs to the Industry - Plate, Sheet and Strip
| Chemical Composition | ||
|---|---|---|
| Carbon | C % | 0.020 - 0.100 |
| Silicon | Si % | 0.050 - 1.000 |
| Manganese | Mn % | 0.100 - 1.500 |
| Chromium | Cr % | 23.500 - 27.500 |
| Sulphur | S % | 0.020 max. |
| Molybdenum | Mo % | 4.000 - 6.000 |
| Phosphorus | P % | 0.030 max. |
| Boron | B % | 0.015 max. |
| Iron | Fe % | 1.000 - 5.000 |
| Nickel | Ni % | 7.000 - 11.000 |
| Nitrogen | N % | 0.030 - 0.120 |
| Tungsten | W % | 1.000 - 3.000 |
| Cobalt | Co % | Balance |
| - | - | - |
| - | - | - |
| Heat Treatment |
|---|
| As-Cast or Annealing or Age Hardning |
| Mechanical Properties | |
|---|---|
| Tensile Strength in Mpa | 896 min. |
| Yield Strength in Mpa | 379 min. |
| Elongation in % | 15 min. |
| Reduction of Area in % | - |
| Hardness in BHN | - |
| Impact in Joule | - |
Cross Reference Table
| Material | Standard | Country | Grade Belong to the Industry |
|---|---|---|---|
| B 815 R31233 | ASTM | USA | Rod |
| SB-815 R31233 | ASME | USA | Rod |
| SB-818 R31233 | ASME | USA | Plate, Sheet and Strip |
| R31233 | UNS | USA | Rod |
| - | - | - | - |
| - | - | - | - |
| - | - | - | - |