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Thermal spray powders: tungsten carbides
Typical chemical composition* in wt.-%
Powder particle size distributions
| HVOF/HVAF | Flame spraying | Plasma |
|---|---|---|
| -52 +22 µm | -125 +45 µm | -90 +45 µm |
| -45 +15 µm | -106 +22 µm | -45 +22 µm |
| -38 +15 µm | -52 +22 µm | - |
| -25 +10 µm | - | - |
| -15 +5 µm | - | - |
| -10 +2 µm | - | - |
| Other particle size distributions are possible on request | ||
DURMAT® WC-Co - agglomerated, sintered
| DURMAT® | WC (by weight) | Co (by weight) | WC Primary Grain Size (FSSS) |
|---|---|---|---|
| 101 | 88% | 12% | 2.5 µm |
| 111 | 88% | 12% | 1.3 µm |
| 121 | 88% | 12% | 0.7 µm |
| 131 | 88% | 12% | 0.4 µm |
| 102 | 83% | 17% | 2.5 µm |
| 112 | 83% | 17% | 1.3 µm |
| 137 | 94% | 6% | 1 µm |
WC-Co - broken, sintered
| DURMAT® | WC (by weight) | Co (by weight) | WC Primary Grain Size (FSSS) |
|---|---|---|---|
| 100 | 88% | 12% | 2.5 µm |
WC-Co-Cr - agglomerated, sintered
| DURMAT® | WC (by weight) | Co (by weight) | Cr (by weight) | WC Primary Grain Size (FSSS) |
|---|---|---|---|---|
| 105 | 86% | 10% | 4% | 2.5 µm |
| 115 | 86% | 10% | 4% | 1.3 µm |
| 125 | 86% | 10% | 4% | 0.7 µm |
| 135 | 86% | 10% | 4% | 0.4 µm |
| 106 | 86% | 8% | 6% | 2.5 µm |
Tungsten fused carbide (WSC)
| DURMAT® | Carbide type | Alloy type | C (by weight) | W (by weight) | Hardness | Chem. composition | Applications | Features |
|---|---|---|---|---|---|---|---|---|
| 107 | DURMAT® Tungsten Carbide (WSC) | WC-W2C | 3,8-4,1 | Rest | 2,360 HV0.1 | WC-W2C | Deep drilling tools, drill pipes, crushers, mixers, concrete and stone saws, transport screws, extruder housings | Armoring of surfaces subject to extremely high mechanical stresses consisting of abrasion and friction, etc. |
| 117 | DURMAT® Spherical fused tungsten carbide (SWSC) | WC-W2C | 3,8-4,1 | Rest | 3.000 HV0.1 | WC-W2C | Deep drilling tools, drill pipes, crushers, mixers, concrete and stone saws, transport screws, extruder housings | Armoring of surfaces subject to extremely high mechanical stresses consisting of abrasion and friction |
Special WC carbides - agglomerated, sintered
| DURMAT® | Chemical composition (by weight) | Structure |
|---|---|---|
| 108 | Cr: 20%; Ni: 7%; WC: rest | agglomerated, sintered |
WC-Co-Cr-Ni - agglomerated, sintered
| DURMAT® | WC (by weight) | Co (by weight) | Cr (by weight) | Ni (by weight) | WC Primary Grain Size (FSSS) |
|---|---|---|---|---|---|
| 109 | 85% | 10% | 4% | 1% | 2.5 µm |
CrC carbides - pure - agglomerated, sintered - mixed
| DURMAT® | Structure | Type |
|---|---|---|
| 250 | Cr3C2 | pure |
| 251 | Cr3C2-NiCr 75 25 | agglomerated, sintered |
| 254 | Cr3C2-NiCr 75 25 | mixed |
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DURUM - Made in GERMANY
We manufacture our wear protection solutions for you exclusively in Germany.