GRADE CHART

2010 R-SA-004


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Industry Code

Basic Carbide Grade

Approximate Binder
%

Hardness Rockwell "A"

Hardness Rockwell "C"

Transverse Rupture PSI

Compressive Strength
PSI

Grain Size

Basic Applications

Special

BC-00

0

92.5-94.5

81-83

-

-

Fine and Coarse

Excellent Wear; No Shock.
Developed for Binderless Application

C-3
C-4

BC-3

3

92.0-93.0

80-82

225,000

660,000

Fine

Best Wear Resistant; No Shock.
Developed for Compacting Ceramics, Grinding Compounds

C-1
C-2
C-9

BC-6

6

91.0-92.0

79-81

275,000

700,000

Fine

Excellent Wear; Slight Shock.
Developed for Cutting and Abrasion Resistance

C-10

BC-9

9

90.0-91.0

77-79

350,000

600,000

Fine

Excellent Wear; Slight to Medium Shock.
Developed for Light Drawing and Light Blanking

Special

BC-11

11

89.0-90.5

74-77

350,000

625,000

Fine

Good Wear; Medium Shock, High Edge Strength.
Developed for Stamping and Lamination Dies and Punches

Special

BC-12C

12

88.0-89.0

72-74

500,000

540,000

Fine and Coarse

Good Wear; Heavy Shock.
Developed for Heavy Work Conditions. Use for WEDM*

C-11

BC-13

13

88.5-89.5

73-75

370,000

600,000

Fine

Good Wear; Medium Shock.
Developed for Medium Work Conditions

C-12

BC-14

14

88.0-89.0

72-74

385,000

575,000

Fine

Good Wear; Medium to Heavy Shock.
General Purpose Grade, Developed for Medium to Heavy Work Conditions

C-13

BC-15

15

87.5-88.5

71-73

400,000

560,000

Fine

Good Wear; High Strength.
Developed for Heavy Work Conditions

Special

BC-15C

15

87.0-88.0

70-71

425,000

520,000

Fine and Coarse

Medium Wear; Heavy Shock.
Used in Place of C-14 Grades, Outperformed 20-25% Grades in Many Applications

Special

BC-17C

17

85.5-86.5

67-69

435,000

525,000

Fine and Coarse

Medium Wear; Heavy Shock.
Glass Cutting Grade

C-14

BC-20C

20

84.0-85.0

65-67

450,000

530,000

Coarse

High Impact; Heavy Shock Resistance.
Developed for Cold Heading and Swaging Dies

C-17

BC-22C

22

81.5-83.0

60-62

350,000

480,000

Extra Coarse

Highest Impact.
Developed for Heavy Workload

.

Super Submicron Grades

Special

BC-8SS

8

92.5-93.5

78-81

500,000

N/A

Super Submicron

Developed for Extreme Abrasive applications; Excellent Wear; Slight to Medium Shock

Special

BC-12SS

12

91.0-92.0

79-81

400,000

N/A

Super Submicron

Developed for Extreme Abrasive applications; Excellent Wear; Medium to Heavy Shock

.

Submicron Grades

Special

BC-6S

6

92.3-93.3

81-82

400,000

665,000

Submicron

Excellent Wear; Light Shock.
Developed for Cutting. Better Wear Than C-2 Grades

Special

BC-8S

8

91.5-92.5

78-81

500,000

600,000

Submicron

Excellent Wear; Medium Shock.
Developed for Slitting and Cutting; Increases Tool Life

Special

BC-10S

10

91.0-92.5

78-80

520,000 min

605,000 min

Submicron

Excellent Wear; Medium Shock.
Developed for Slitting and Cutting Where Some Shock is Involved

Special

BC-14S

14

89.5-91.0

74-77

550,000

645,000

Submicron

Excellent Wear; Slight to Medium to Heavy Shock.
Developed Specially

Special

BC-17S

17

88.5-89.5

72-74

525,000

620,000

Submicron

Good Wear.
High Edge Strength

.

Nickel Grades (Nonmagnetic Available on Request)

C-18

BC-6N

6

91.0-92.5

79-81

315,000

635,000

Submicron

Excellent Wear.
Use in Corrosive Environments -- Seals

Special

BC-10N

10

89.5-91.5

74-79

365,000

495,000

Submicron

Excellent Wear.
Special Seals, Corrosive Environments

Special

BC-12N

12

88.0-89.5

72-74

475,000

390,000

Submicron

Excellent Wear; Good Shock.
High Strength, Corrosive Environments


* When ordering material for Wire-EDM, specify on order.  We have developed a special process that, when used in conjunction with our BC-12C grade, is guaranteed against cracking.  We will process any of our grades for Wire-EDM, but only BC-12C comes with the guarantee.  Ask one of our engineers to explain the process.  Note: the BC-12C guarantee is prorated for large blocks cut to form smaller components.


Custom grades can be produced, but will be subject to minumum quantity/volume requirements, availability of raw materials, and the physical properties of the new grade's composition.   Contact Us for more information.


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This page was last updated July 15, 2010

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