Grade
|
ISO
|
Cobalt content(%)
|
Hardness (HRA)
|
Density (g/cm³)
|
T.R.S (ISO3327)
|
WC 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 drills, 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 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 milling 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.
|
Diameter
|
h5
|
h6
|
h7
|
0-0.3 mm
|
0.004 mm
|
0.006 mm
|
0.010 mm
|
0-0.11811 in.
|
0.00015 in.
|
0.00024 in.
|
0.00039 in.
|
3.001-6.0 mm
|
0.005 mm
|
0.008 mm
|
0.012 mm
|
0.11812-0.23622 in.
|
0.00020 in.
|
0.00031 in.
|
0.00047 in.
|
6.001-10.0 mm
|
0.006 mm
|
0.009 mm
|
0.015 mm
|
0.236237 in.
|
0.00024 in.
|
0.00035 in.
|
0.00059 in.
|
10.001-17.0 mm
|
0.008 mm
|
0.011 mm
|
0.018 mm
|
0.39371-0.70866 in.
|
0.00031 in.
|
0.00043 in.
|
0.00071 in.
|
18.00-30.0 mm
|
0.009 mm
|
0.013 mm
|
0.021 mm
|
0.90867-1.18110 in.
|
0.00035 in.
|
0.00051 in.
|
0.00083 in.
|
30.001-50.0 mm
|
0.011 mm
|
0.016 mm
|
0.025 mm
|
1.81111-1.96850 in.
|
0.00043 in.
|
0.00063 in.
|
0.00098 in.
|