China Hardmetal Tungsten Cemented Carbide Blanks for Rock Drilling, Find details about China Carbide Stone Tips, Cemented Carbide from Hardmetal Tungsten Cemented Carbide Blanks for Rock Drilling
Grade | Density (g/cm³) | TRS (MPa) | Hardness (HRA) | Performance & application recommended |
YG4C | 15.10 | 1800 | 90.0 | Mainly used as small buttons for percussion bits to cut soft and medium hard formations. |
YG6 | 14.95 | 1900 | 90.5 | For coring crowns, electric coal drill bits, coal cutting picks, oil cone bits and scraping knife bits, used in geological prospecting, coal mining and oil well boring. |
YG8 | 14.80 | 2200 | 89.5 | For coring crowns, electric coal drill bits, coal cutting picks, oil cone bits and scraping knife bits, used in geological prospecting, coal mining and oil well boring. |
YK05 | 14.95 | 2500 | 90.5 | Mostly used as the buttons of small and medium sized percussion bits and as the inserts of rotary prospecting bits to cut soft and medium hard formations. |
YG8C | 14.80 | 2400 | 88.5 | |
YK15 | 14.60 | 2450 | 87.6 | Suitable to strips, conical buttons for rotary percussion-resistant, geological prospection buttons, cut soft and medium hard formations. |
YK20 | 14.40 | 2500 | 86.8 | Primarily for the buttons and inserts of rotary percussion bits to cut medium-hard and hard formations. |
YK25 | 14.40 | 2550 | 87.2 | Primarily for the buttons and inserts of rotary percussion bits to cut medium-hard and very hard formations. |
YG11C | 14.40 | 2700 | 86.5 | Largely for the inserts and buttons of percussion bits and tricone bits to cut medium-hard, hard, and very hard formations. |
YG13C | 14.2 | 2850 | 86.0 | Primarily for the buttons of tricone bits and inserts of rotary percussion bits to cut hard and very hard formations. |
YG15C | 14.0 | 3000 | 85.5 | For oil cone drill bits, for medium soft and medium-hard rocks. |
YG16C | 13.95 | 2900 | 85.0 | Suitable for PDC insert and roller bits |
Type | Dimensions(mm) | ||||||||
L | H | S | R | r | R1 | ||||
Dim. | Tol. | Dim. | Tol. | Dim. | Tol. | ||||
K026D | 26 | ±0.6 | 12 | ±0.5 | 8 | 0 - 0.6 | 50 | 13 | 0.5 - 1.0 |
K026B | 26 | 15 | 8 | 50 | 13 | ||||
K034E | 34 | 12 | 8 | 80 | 17 | ||||
K034D | 34 | 13 | 8 | 80 | 17 | ||||
K038H | 38 | ±0.7 | 12 | 10 | 180 | 19 | |||
K040B | 40 | 15 | 10 | 180 | 20 | ||||
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