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When diffusion bond treatment is still not sufficient to reach desired mechanical characteristics or correct behaviour to thermal treatments then prealloy of Iron-Molibdenum grades are the best solution. Pre-alloyed and diffusion bonded powders have both the advantages of pre alloyed (high strength) and DB (homogeneity) powders.
| Description of the material and main chemical components | Blend of iron alloy powder (type ST0) with Cu powder. Processed in "diffusion bond" line |
|---|---|
| Description of the manufacturing process | Blending, homogeneisation, diffusion bonding, sieving |
| Typical applications | Sintering of Ferrous components with good mechanical performances where either thermal treatment or sinter-tempering is applied |
| Particle shape | Irregular |
| Main characteristic | High presence of Mo (pre alloyed with Fe) and Cu give a homogeneous material with good performnaces after sinter tempering. Presence of Cu has effect on dimensional changes |
| Particle upper cut size (full range) | 180 |
| Particle upper cut size (typical) | 180 |
| Apparent density (typical) | 3.05 |
| Application notes | ST1 is normally used with simple addition of Graphite and lubricants. Sinter tempering possible in specific furnaces |
| Recommended packaging | BB 1000 |
| Type | Upper cut size(µm) | Ot % | Apparent density(g/cm3) | Added elements |
|---|---|---|---|---|
| ST1 | 180 | 0.15 | 3,0 to 3,15 | Mo at 1,5%, Cu at 2% |
| Description of the material and main chemical components | Blend of iron alloy powder (type ST0) with Ni powder. Processed in "diffusion bond" line |
|---|---|
| Description of the manufacturing process | Blending, homogeneisation, diffusion bonding, sieving |
| Typical applications | Sintering of Ferrous components with good mechanical performances where either thermal treatment or sinter-tempering is applied |
| Particle shape | Irregular |
| Main characteristic | High presence of Mo (pre alloyed with Fe) and Ni give a homogeneous material with good performnaces after sinter tempering. Dimensional changes are modest |
| Particle upper cut size (full range) | 180 |
| Particle upper cut size (typical) | 180 |
| Apparent density (typical) | 3.05 |
| Application notes | ST2 is normally used with simple addition of Graphite and lubricants. Sinter tempering possible in specific furnaces |
| Recommended packaging | BB 1000 |
| Type | Upper cut size(µm) | Ot % | Apparent density(g/cm3) | Added elements |
|---|---|---|---|---|
| ST2 | 180 | 0.15 | 3,0 to 3,15 | Mo at 1,5%, Ni at 2% |
| Description of the material and main chemical components | Blend of iron alloy powder (type ST0) with Ni and Cu powders. Processed in "diffusion bond" line |
|---|---|
| Description of the manufacturing process | Blending, homogeneisation, diffusion bonding, sieving |
| Typical applications | Sintering of Ferrous components with good mechanical performances where either thermal treatment or sinter-tempering is applied |
| Particle shape | Irregular |
| Main characteristic | High presence of Mo (pre alloyed with Fe) and Cu and Ni give a homogeneous material with best mechanical performances after sinter tempering. Best stabuility also from dimensional changes aspect |
| Particle upper cut size (full range) | 180 |
| Particle upper cut size (typical) | 180 |
| Apparent density (typical) | 3.05 |
| Application notes | ST3 is normally used with simple addition of Graphite and lubricants. Sinter tempering possible in specific furnaces |
| Recommended packaging | BB 1000 |
| Type | Upper cut size(µm) | Ot % | Apparent density(g/cm3) | Added elements |
|---|---|---|---|---|
| ST3 | 180 | 0.15 | 3,0 to 3,15 | Mo at 1,5%, Cu at 2%, Ni at 4% |