Introduction
Cemented Carbide Balls in Kuck Carbide Co., Ltd divided into Tungsten Carbide Cobalt Binder (YG) and Tungsten Carbide Nickel Binder (YN).
Tungsten Carbide Cobalt Binder (YG) has a unique combination of properties, high compressive strength, hardness and resistance to wear, as well as an ability to withstand shock and impact.
Conventional Tungsten Carbide with Cobalt Binder (YG) has limited corrosion resistance, which makes them unsuitable for applications in which the wear parts are operating under both severe abrasive and corrosive conditions. As a general rule straight, Tungsten Carbide with Cobalt Binder (YG) is resistant to corrosion down to pH 7. By comparison, tests have shown that our Tungsten Carbide with Nickel Binder (YN) is resistant to corrosion down to pH 2 or 3.
Applications
1) The typical applications of Tungsten Carbide Cobalt Binder (YG) Balls are valves, flowmeters, and linear bearings. Balls from this material are also used for ballizing, gauging and ball pens.
2) Valves, Pumps, Ball Screws, Measurement Standards, Gauging, Wear Parts)
The application range is wide, such as: precision parts punching stretching, precision bearings, instruments, meters, pens, spraying machine, water pump, machinery fittings, valve, brake pump, extruding hole, oil field, laboratory, hydrochloric acid hardness measuring instrument, fishing gear, weight, decoration, finishing high-tech industry.
Grade and Properties
| Grade | Binder Content | Hardness (HRA) | Density (g/cm3) | T.R.S (MPa) | Descriptions |
| YG6 | 6% Co | 91 | 14.6-15.0 | 1600 | The highest wear resistance make this an excellent general purpose grade for use in pumps and valve. |
| YG8 | 8% Co | 89 | 14.4-14.8 | 1800 | With better shock resistance than YG6, this grade is typically used as a mining grade where toughness and abrasion resistance are also important. It has also proven useful in bearing applications. |
| YG6X | 6% Co | 92 | 14.6-15.0 | 1850 | Sub-micro alloy, high hardness and wear resistance than YG6, little lower toughness than YG8. Used in parts where high wear resistance and high toughness are required. |
| YN6 | 6% Ni | 90 | 14.5-14.9 | 1450 | The highest hardness and wear resistance and corrosion resistance. Used in parts where corrosive condition in high temperature are required. |
| YN8 | 8% Ni | 88 | 14.4-14.8 | 1650 | With higher hardness and wear resistance. Used in parts where shock resistance and corrosion are required. |
| YN12 | 12% Ni | 86 | 14.0-14.4 | 1800 | Higher toughness for impact load. Used in parts where better shock and impact are required. |
Specification
The size of range is available from 3/32″ to 2″ inches, the tolerance grade is divided into G10, G25, G48, G50, G100 and so on. The available grades and sizes are shown in the below table.
| Standard Grades Available | Size Range | |
| ABMA | Inches | Millimeters |
| G10, G25, G48, G50, G100 | 3/32″ to 3 1/4” | 2.38125mm – 82.55mm |
customized products were accepted.
Any demand and more detail, you can contact us in quick information.
skype:kuckcarbide
website:www.kuckcarbide.com/english
mobile:+86 18627536302
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