B1900
B1900 is a nickel base precipitation hardening equiaxed grain casting superalloy, which is characterized by containing 4.2% Ta. The service temperature of the alloy is less than 950 ℃.
Equivalent Grades
| Trademark | GB | GOST | ASTM | UNS | DIN | W.Nr. | NF | BS | JIS | SS |
| – | K409 | – | B1900 | – | – | – | – | – | – | – |
Chemical Composition, %
| Alloy | C | Si | Mn | P | S | Cr | Ni | Co | W | Mo | Al | Ti | B | Zr | Ta | Fe |
| B1900 | 0.08-0.13 | ≤0.25 | ≤0.20 | ≤0.015 | ≤0.015 | 7.5-8.0 | Bal | 9.5-10.5 | ≤0.10 | 5.75-6.25 | 5.75-6.25 | 0.8-1.2 | 0.01-0.02 | 0.05-0.10 | 4.0-4.5 | ≤0.35 |
Typical Physical and Mechanical Properties (RT, Solution Annealed)
| Density, g/cm3 | Melting Point, ℃ | Tensile Strength, MPa | Yield Strength, MPa | ELongation, % | Hardness, HRB |
| 8.18 | 1260-1289 | 930 | 810 | 7 | / |
Available Products and Specifications
| Rod, Bar, Wire and Forgings | – |
| Plate, Sheet and Strip | – |
| Pipe and Tube | – |
| Welding Product | – |
| Others | – |
Features
The alloy has high temperature strength and good oxidation and corrosion resistance.
Applications
Various parts with complex shapes can be cast by investment casting. It is suitable for aeroengine and industrial gas turbine blades and other high-temperature parts working below 950 degrees for a long time.
