Grade | ISO code | Cobalt Content (%) | Hardness (HRA) | Density (g/cm³ ) | T.R.S | Grain size (μm) | Application Recommended |
YU06 | K05-K10 | 6% | 94.0 | 14.75 | 3700 | 0.4-0.5 | Suitable for machining aluminum-magnesium alloys,glass fiber,carbon fiber,wood,harden plastic,etc.It is recommended for making PCB micro tools and other material drills. |
YG6X | K05-K10 | 6% | 92.5 | 14.92 | 3000 | 0.7-0.9 | Suitable for machining chilled alloy cast iron,heat-resistane alloy steel, non-ferrous metal,wood,paper,plastic and aluminum-magnesium,etc.It is recommended for making solid carbide drils,milling and reamers. |
YL10.2 | K20-K30 | 10% | 91.8 | 14.45 | 3800 | 0.7-0.9 | Suitable for machining carbon steel,cast iron,stainless steel,heat-resistance steel nickel based alloy and titanium alloy.It is recommended for making different specification tools,such as drills,end mills,screw taps,rotating file A good material for general-purpose. |
JZ401 | K30-K40 | 12% | 92.0 | 14.15 | 4000 | 0.5-0.7 | Suitable for machining nickel based alloy, titanium alloy,stainless steel,mould steel, chilled hardened steel and grey cast iron,etc.It is recommended for making miling tools and reamers,for high speed machining. |
YG15 | K30-K40 | 15% | 87.6 | 14.00 | 4000 | 1.2-1.4 | Suitable for making solid mould dies and tools for punching operation. |
