|
Grade |
ISO code |
Grain size |
binder |
Density |
Hardness HRA |
T.R.S |
Fracure Resistane |
Application |
|
OST10 |
K10 |
0.8 |
6 |
14.9 |
≥92.6 |
≥2800 |
8.6 |
Recommended for PCB drilling and milling.Widely used for magnesium alloy,glass fiber,wood,hard plastic,iron based alloy and etc. |
|
OST25 |
K30-K40 |
0.8 |
10 |
14.4 |
≥91.5 |
≥3600 |
10.7 |
With both toughness and wear resistance,it’s economical grade for general cutting tools. |
|
OST15F |
K30-K40 |
0.7 |
10 |
14.5 |
≥91.8 |
≥4200 |
10.8 |
With Excellent versatility,it's used for overall carbide cutting tools for carbon steel,cast iron,stainless steel,heat-resistant steel,nickel-based and titanium alloys and other materials. |
|
OST12 |
K40 |
0.7 |
12 |
14.13 |
≥91.4 |
≥3800 |
10.8 |
With ultra high impact strength and long working life,suitable for cutting tools for steel hardness over HRC50. |
|
OST12UF |
K40 |
0.6 |
12 |
14.15 |
≥91.5 |
≥4400 |
12.0 |
With ultra high impact strength and long working life,specially recommended for cutting tools for high speed stainless steel processing. |
|
OST25UF |
K40 |
0.5 |
12 |
14.15 |
≥92.3 |
≥4300 |
12.0 |
High hardness and high T.R.S,which is perfect material for high speed milling for nickle-based alloy,titanium alloy,stainless steel,hardened steel,gray cast iron and other intractable materials. |
|
OST30M |
K30-K40 |
1.5 |
15 |
14.2 |
≥87.5 |
≥3200 |
8.7 |
Recommended for punching moulds and punching tools. |
