CARBIDE TECHNOLOGIES INC
GRADE CHART
SPECIFIED REQUIREMENTS FOR
CHEMICAL AND PHYSICAL PROPERTIES
| Grade | Composition | Specific Gravity | Hardness | TRS | Grain Size | Recommended Applications |
||
| WC | Co | g/cm3 | HRA | KSI (min.) | Micron | Class | ||
| +/-.02 | +/-.5 | |||||||
| CT-6 | 94 | 6 | 14.95 | 91.9 | 250 | 1.3 | Fine | general purpose – cast iron & non ferrous materials and woodworking |
| CT-8 | 92 | 8 | 14.65 | 91.5 | 300 | 1.3 | Fine | extrusion/draw dies – compacting dies |
| CT-10 | 90 | 10 | 14.52 | 91.1 | 350 | 1.3 | Fine | roughing cuts – cast iron & non ferrous materials |
| CT-12 | 88 | 12 | 14.30 | 90.4 | 400 | 1.3 | Fine | heavy duty milling – low speed & interupted cuts – dies/punches |
| CT-15 | 85 | 15 | 14.00 | 89.2 | 475 | 1.3 | Fine | stamping dies/punches |
| CT-60 | 94 | 6 | 14.95 | 92.9 | 300 | 0.8 | Submicron | highest wear – no shock -c’less grinding blades, compacting dies, special rotary drilling |
| CT-80 | 92 | 8 | 14.65 | 92.4 | 350 | 0.8 | Submicron | excellent wear – draw dies – saw blades – slitter rings – shearing knives |
| CT-110 | 90 | 10 | 14.52 | 91.9 | 450 | 0.8 | Submicron | very good wear – light to medium shock- – rotary drills, cutting applications |
| CT-112 | 88 | 12 | 14.30 | 91.0 | 500 | 0.8 | Submicron | very good wear – light impact- high edge strength- roughing and stamping dies |
| CT-115 | 85 | 15 | 14.00 | 89.5 | 575 | 0.8 | Submicron | very good wear – light impact- high edge strength- roughing and stamping dies |