Information:
The grades of carbide available from H.B. Carbide are shown in the chart belows
Benefits:
APPLICATIONS
ISO CODE
INDUSTRY GRADE
HB GRADE
WC %
CO %
AVG. GRAIN SIZE (̀m)
HARDNESS ROCK WELL A
TRANSVERSE RUPTURE STRENGTH (psi)
General Purpose Semi-Finishing
K20
K30
K40
C-2
HB-2
94.0
6.0
1 – 1.5
92.2
440,000
Precision Finishing Sub-Micron Grade
K05
K10
C-3
HB-3
0.8
93.0
460,000
General Purpose Semi-Finsihing Sub-Micron Grade
C-10
HB-100
90.0
10.0
91.7
500,000
Low Impact Roughing Sub-Micron Grad
C-12
HB-115
85.0
15.0
510,000
Low Impact Coarse Grain
C-13
HB-315
2.5
88.4
Medium Impact Coarse Grain
C-14
HB-320
80.0
20.0
86.4
450,000
High Impact Coarse Grain
HB-325
75.0
25.0
85.1
480,000
Impact Punches
HB-411
88.5
11.5
0.8 – 3.0
530,000
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Additional Information:
To receive additional information and/or to inquire on H.B. Carbide Tungsten Carbide Grades click here.