Castlebar - Grade Charts
CASTLEBAR
Code
|
ISO
Code
|
WC
|
CO
|
Grain
Size
|
Hardness
(HRa)
|
TRS
(MPa)
|
Density
(g/cm³)
|
|
8805
|
K40-K50
|
88.0%
|
12.0%
|
Ultra-Fine
|
92.5
|
4500
|
14.20
|
|
•
|
Finishing and roughing of steels with hardness between 40 and 55 HRC, steels for surface treatments, nickel, and nickel alloys. Also suitable for manufacturing with micro end mills on steel applications.
|
|
9105
|
K20-K30
|
91.5%
|
8.5%
|
Ultra-Fine
|
93.8
|
4700
|
14.50
|
|
•
|
Suitable for finishing manufacturing high speed steels with hardness between 55 and 65 HRC as HS and tempered steels. Suitable for high speed milling and drilling of cast iron, non-ferrous metals, light alloys, composites, laminates of paper, plastic, graphite.
|
|
|
|
|
9008
|
K20
|
90.0%
|
10.0%
|
Sub-micron
|
92.0
|
3500
|
14.50
|
|
•
|
Premium High Performance, impact and TRS intended for Aerospace & Defense applications requiring extended
life and durability for steel manufacturing including non-tempered steels with hardness up to 40 HR. Also suitable
for aluminum alloys, aluminum magnesium, cast iron, non-ferrous materials.
|
|
8808
|
K40-K50
|
88.0%
|
12.0%
|
Sub-micron
|
91.1
|
3740
|
14.22
|
|
•
|
Stainless steel manufacturing, nickel alloys, titanium alloys, special alloys (Nimonic, Inconel, Monel, Hastelloy),
brass, bronze, and roughing and drilling tender steels with irregular surfaces.
|
|
9408
|
K10
|
94.0%
|
6.0%
|
Sub-micron
|
93.4
|
2600
|
14.80
|
|
•
|
Number one choice for diamond coating. Also suitable for drilling and milling of plastic composites, PCB, ceramics, woods in particular hard woods and composite woods (MDF) and steels.
|
|
9412
|
K20
|
94.0%
|
6.0%
|
Fine
|
92.0
|
2206
|
14.90
|
|
•
|
Superior wear resistance. Burs, oil field applications, nozzles, seats, discs, etc.
|
|
8924
|
K20
|
89.0%
|
11.0%
|
Medium
|
88.0
|
2413
|
14.30
|
|
•
|
Exceptional toughness and fracture resistance. Blade inserts, flattening rolls.
|
|
Grain Chart
|
|
Avg Size
|
Classification
|
|
< 0.2
|
Nano
|
|
0.2 ≤ 0.5
|
Ultra-Fine
|
|
0.5 ≤ 0.8
|
Sub-Micron
|
|
0.8 ≤ 1.3
|
Fine
|
|
1.3 ≤ 2.5
|
Medium
|
|
2.5 ≤ 6.0
|
Coarse
|
|
> 6.0
|
Extra-Coarse
|
|
|
|
|
|
