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Specialty Grades


Grade
ANSI
Class
ISO
Class
WC %
Co %
TiC %
TaC %
Hardness
(HRA)
Density
(g/cm3)
TRS, min
(psi)
Characteristics
TMK-3
C-3
K20
96
3
-
1
93.3
15.20
250,000
Medium grain size. Excellent wear and corrosion resistance.
TMK-7
C-3/9
K10
95.6
4.4
-
-
92.7
15.10
300,000
Medium grain size. Used for light finishing applications. Good wear resistance.
TMK-10
C-13
K40
87
13
-
-
88.5
14.20
450,000
Coarse grain size. For wear and medium shock applications.
TMK-11
C-11/12
K40
85
15
-
-
87.5
14.00
470,000
Coarse grain size. Light wear and medium shock resistance applications.
TMK-15
C-1/10
K40
94
6
-
-
91.0
14.95
410,000
Coarse grain size. Used for roughing.
TMK-15B
C-1/10
K40
92 (min)
6 (min)
0.5 (max)
0.5 (max)
90.8
14.60
300,000
Medium/coarse grain size. Used for bur blanks and non-critical wear applications.
TMK-22
C-2/10
K20/30
94
6
-
-
92.1
14.95
400,000
Medium grain size. For general purpose non-ferrous applications.
TMK-3026
C-4/9
K05
94
6
-
-
93.7
14.85
400,000
Ultra-fine grain size. Offers very high wear resistance.
TMP-810
C-7/8
P10
84
6
6
3
93.0
13.00
275,000
Fine grain size. Excellent wear and corrosion resistance.
TMP-820
C-6
P20/30
72
8
8
12
92.2
12.55
325,000
Medium grain size. For general purpose turning and finishing of ferrous materials.
TMP-821
C-5/6
P20/30
75.8
8
6.2
10
91.5
12.90
350,000
Medium grain size. For general purpose machining of ferrous materials.
TMP-825
C-6
P25/30
69
10.5
6
14.5
91.5
12.80
350,000
Fine grain size. Used for milling and turning of ferrous materials.
TMP-840
C-5
P30/40
80
10
5
5
90.5
13.10
350,000
Medium/coarse grain size. For general purpose roughing of ferrous materials.
TMP-845
C-5
P40/50
71
13
4
12
90.4
13.10
380,000
Medium grain size. Premium roughing grade for ferrous materials.
Additional Specialty Grades are available. Grades can also be developed for special applications. Please contact us for more information or for assistance in selecting the most suitable grade for your application.

Nominal Grain Size Ranges

ultra-fine
micro
fine
medium
coarse
0.4 to 0.6 μ
0.8 to 1.0 μ
1 to 2 μ
2 to 4 μ
4 μ