Onze kwaliteiten hardmetaal
Bij Leverico bieden we een uitgebreid assortiment aan hoogwaardige hardmetaalsoorten, elk zorgvuldig ontwikkeld voor specifieke toepassingen. Deze kunnen verdeeld worden in de volgende groepen met elke hun specifieke eigenschappen:
Voor slijtvastheid en slagvaste gereedschappen
| Kwaliteit | H1 | G1 | G2 | G3 | G4 | G5 | TB6 | TB7 | G8 |
|---|---|---|---|---|---|---|---|---|---|
| WC grain size [μm] | 1.0-2.5 | 1.0-2.5 | 1.0-2.5 | 1.0-2.5 | 2.5-5.0 | 2.5-5.0 | 5.0 (or more) | 5.0 (or more) | 5.0 (or more) |
| Cobalt content [%] | 6 | 6 | 6 | 8 | 10 | 13 | 15 | 21 | 22 |
| Density [×103kg/m3] {g/cm3} | 14.8 | 14.9 | 15.0 | 14.8 | 14.6 | 14.3 | 13.9 | 13.3 | 13.3 |
| Hardness HV | 1900 | 1750 | 1610 | 1480 | 1360 | 1250 | 1060 | 950 | 860 |
| Hardness HRA | 93.0 | 92.0 | 91.0 | 90.0 | 89.0 | 88.0 | 86.5 | 84.5 | 82.5 |
| Fracture toughness value [GPa] | 1.9 | 2.0 | 2.5 | 2.7 | 2.9 | 3.2 | 3.1 | 3.0 | 2.6 |
| Fracture toughness value*4 [MPa･m1/2] | 8.9 | 10 | 12 | 18 | 22 | 26 | -*6 | -*6 | -*6 |
| Tensile strength*5 [GPa] | 1.0 | 1.0 | 1.3 | 1.4 | 1.5 | 1.6 | 1.6 | 1.5 | 1.3 |
| Compressing strength [GPa] | 6.1 | 5.7 | 5.4 | 5.0 | 4.7 | 4.3 | 3.9 | 3.3 | 3.2 |
| Young's modulus [GPa] | 630 | 620 | 610 | 590 | 570 | 540 | 530 | 480 | 470 |
| Poisson's ratio | 0.21 | 0.21 | 0.21 | 0.21 | 0.22 | 0.22 | 0.23 | 0.23 | 0.23 |
| Thermal expansion coefficient [×10-6/K] | 4.7 | 4.7 | 4.7 | 5.0 | 5.3 | 5.6 | 5.8 | 6.6 | 6.7 |
| Thermal conductivity [W/(m･K)] | 80 | 80 | 80 | 75 | 75 | 71 | 67 | 63 | 59 |
| Impact strength [kJ/m2] | 20 | 23 | 28 | 36 | 44 | 56 | 64 | 83 | 85 |
Fijn gesinterd hardmetaal
| Kwaliteit | KD05 | KD10 | KD20 | KD30 | KD40 | KD50 |
|---|---|---|---|---|---|---|
| WC grain size [μm] | 1.0 (less than) | 1.0 (less than) | 1.0 (less than) | 1.0 (less than) | 1.0 (less than) | 1.0 (less than) |
| Cobalt content [%] | 8 | 10 | 13 | 16 | 19 | 28 |
| Density [×103kg/m3] {g/cm3} | 14.7 | 14.5 | 14.2 | 13.9 | 13.6 | 12.9 |
| Hardness HV | 92.0 | 91.0 | 90.0 | 89.0 | 88.0 | 84.5 |
| Hardness HRA | 1750 | 1610 | 1480 | 1360 | 1250 | 950 |
| Fracture toughness value [GPa] | 3.2 | 3.4 | 3.7 | 3.7 | 3.7 | 3.0 |
| Fracture toughness value*4 [MPa･m1/2] | 12 | 13 | 16 | 19 | 22 | 30 |
| Tensile strength*5 [GPa] | 1.6 | 1.7 | 1.9 | 1.9 | 1.9 | 1.5 |
| Compressing strength [GPa] | 6.1 | 5.9 | 5.3 | 4.9 | 4.4 | 3.0 |
| Young's modulus [GPa] | 600 | 580 | 550 | 520 | 490 | 400 |
| Poisson's ratio | 0.21 | 0.22 | 0.22 | 0.23 | 0.23 | 0.25 |
| Thermal expansion coefficient [×10-6/K] | 5.0 | 5.3 | 5.6 | 6.0 | 6.3 | 7.3 |
| Thermal conductivity [W/(m･K)] | 75 | 75 | 71 | 67 | 63 | 54 |
| Impact strength [kJ/m2] | 24 | 28 | 37 | 48 | 59 | 87 |
Hardmetaal voor de bewerking van magnetisch staalplaat
| Kwaliteit | EX20 | EW10 | EW25 | EW40 |
|---|---|---|---|---|
| WC grain size [μm] | 2.5-5.0 | 1.0-2.5 | 1.0-2.5 | 1.0-2.5 |
| Cobalt content [%] | 6 | 7 | 11 | 15 |
| Density [×103kg/m3] {g/cm3} | 14.9 | 14.8 | 14.3 | 13.9 |
| Hardness HV | 90.0 | 91.0 | 89.5 | 88.0 |
| Hardness HRA | 1480 | 1610 | 1420 | 1250 |
| Fracture toughness value [GPa] | 3.0 | 3.5 | 3.5 | 3.5 |
| Fracture toughness value*4 [MPa･m1/2] | 19 | 15 | 22 | 29 |
| Tensile strength*5 [GPa] | 1.5 | 1.75 | 1.75 | 1.75 |
| Compressing strength [GPa] | 5.2 | 5.1 | 4.7 | 4.0 |
| Young's modulus [GPa] | 620 | 610 | 570 | 530 |
| Poisson's ratio | 0.21 | 0.21 | 0.22 | 0.23 |
| Thermal expansion coefficient [×10-6/K] | 4.7 | 4.9 | 5.4 | 5.8 |
| Thermal conductivity [W/(m･K)] | 80 | 77 | 73 | 68 |
| Impact strength [kJ/m2] | - | - | - | - |
Speciaal ontwikkeld voor het vonken
| Kwaliteit | A10W | WD20 | ME40 |
|---|---|---|---|
| Barst bestendigheid | Corrosie bestendig | Corrosie bestendig | |
| WC grain size [μm] | 1.0-2.5 | 1.0(less than) | 2.5-5.0 |
| Cobalt content [%] | 9 | 13*1 | 12 |
| Density [×103kg/m3] {g/cm3} | 14.5 | 14.1 | 14.1 |
| Hardness HV | 91.0 | 90.5 | 88.0 |
| Hardness HRA | 1610 | 1540 | 1250 |
| Fracture toughness value [GPa] | 3.7 | 3.7 | 3.2 |
| Fracture toughness value*4 [MPa･m1/2] | 13 | 16 | 26 |
| Tensile strength*5 [GPa] | 1.9 | 1.9 | 1.6 |
| Compressing strength [GPa] | 6.0 | 5.3 | 4.1 |
| Young's modulus [GPa] | 590 | 550 | 560 |
| Poisson's ratio | 0.22 | 0.22 | 0.22 |
| Thermal expansion coefficient [×10-6/K] | 5.2 | 5.6 | 5.5 |
| Thermal conductivity [W/(m･K)] | 75 | 71 | 71 |
| Impact strength [kJ/m2] | 29 | 37 | 52 |
Superfijn gesinterd hardmetaal
| Kwaliteit | EF01 | EF05 | EF10 | EF20 |
|---|---|---|---|---|
| WC grain size [μm] | 1.0(less than) | 1.0(less than) | 1.0(less than) | 1.0(less than) |
| Cobalt content [%] | 8 | 10 | 13 | 18 |
| Density [×103kg/m3] {g/cm3} | 14.5 | 14.3 | 14.0 | 13.6 |
| Hardness HV | 94.0*3 | 93.0 | 92.0 | 90.0 |
| Hardness HRA | 2000 | 1900 | 1750 | 1480 |
| Fracture toughness value [GPa] | 3.7 | 3.7 | 4.0 | 4.0 |
| Fracture toughness value*4 [MPa･m1/2] | 9.1 | 9.1 | 10 | 13 |
| Tensile strength*5 [GPa] | 1.9 | 1.9 | 2.0 | 2.0 |
| Compressing strength [GPa] | 6.5 | 6.5 | 6.4 | 5.4 |
| Young's modulus [GPa] | 600 | 580 | 550 | 490 |
| Poisson's ratio | 0.21 | 0.22 | 0.22 | 0.23 |
| Thermal expansion coefficient [×10-6/K] | 5.0 | 5.3 | 5.6 | 6.3 |
| Thermal conductivity [W/(m･K)] | 71 | 71 | 67 | 59 |
| Impact strength [kJ/m2] | 17 | 21 | 25 | 44 |
Anti-magnetisch en corrosiebestendig hardmetaal
| Kwaliteit | KN10 | KN20 | KN30 | KN40 |
|---|---|---|---|---|
| WC grain size [μm] | 1.0(less than) | 1.0(less than) | 1.0(less than) | 1.0(less than) |
| Cobalt content [%] (Nikkel) | 9*2 | 12*2 | 14*2 | 16*2 |
| Density [×103kg/m3] {g/cm3} | 14.5 | 14.2 | 13.9 | 13.7 |
| Hardness HV | 91.0 | 90.0 | 89.0 | 88.0 |
| Hardness HRA | 1610 | 1480 | 1360 | 1250 |
| Fracture toughness value [GPa] | 3.3 | 3.6 | 3.6 | 3.8 |
| Fracture toughness value*4 [MPa･m1/2] | 11 | 14 | 17 | 20 |
| Tensile strength*5 [GPa] | 1.6 | 1.8 | 1.8 | 1.9 |
| Compressing strength [GPa] | - | 5.0 | - | - |
| Young's modulus [GPa] | - | 550 | - | - |
| Poisson's ratio | - | 0.22 | - | - |
| Thermal expansion coefficient [×10-6/K] | 5.1 | 5.5 | 5.8 | 6.0 |
| Thermal conductivity [W/(m･K)] | 53 | 47 | 42 | 38 |
| Impact strength [kJ/m2] | - | 34 | - | - |
Overige soorten hardmetaal
| Kwaliteit | KX01 | MC20 | SS13 | SS15 | KW3 |
|---|---|---|---|---|---|
| Voor RVS | Voor puur ijzer en koper | Voor niet magnetische en corrosiebestendige materialen | Voor snijgereedschappen | ||
| WC grain size [μm] | 1.0(less than) | 2.5-5.0 | 1.0(less than) | 1.0(less than) | 1.0-2.5 |
| Cobalt content [%] (Nikkel) | 13 *1 | 6 | 1 | 4 | 6.5 |
| Density [×103kg/m3] {g/cm3} | 14.0 | 14.9 | 14.2 | 14.6 | 14.6 |
| Hardness HV | 92.5 | 90.0 | - | - | 91.0 |
| Hardness HRA | 1820 | 1480 | 2450 | 2100 | 1680 |
| Fracture toughness value [GPa] | 4.0 | 2.8 | 1.0 | 2.0 | 2.5 |
| Fracture toughness value*4 [MPa･m1/2] | 10 | 19 | 5.4 | 8.4 | 12 |
| Tensile strength*5 [GPa] | 2.0 | 1.4 | 0.5 | 1.0 | 1.3 |
| Compressing strength [GPa] | 6.4 | 5.2 | - | - | - |
| Young's modulus [GPa] | 550 | 620 | - | - | - |
| Poisson's ratio | 0.22 | 0.21 | - | - | - |
| Thermal expansion coefficient [×10-6/K] | 5.6 | 4.7 | - | - | - |
| Thermal conductivity [W/(m･K)] | 67 | 80 | - | - | - |
| Impact strength [kJ/m2] | 25 | 30 | - | - | - |
*1 Gedeeltelijk Nikkel toegepast
*2 De waarde van graad KN20 geeft de hoeveelheid nikkel aan.
*3 Deze waarde geeft de herleide waarde weer.
*4 De Fracture toughness value wordt gemeten met de IF-methode volgens JIS R1607.
*5 De eigenschappen na de treksterkte zijn referentiewaarden uit documenten.
*6 De waarde is hoger dan de G5 kwaliteit.