| Scale Name |
Indenter |
Major Load |
Minor Load |
Applications* |
| Regular
Rockwell Scales |
|
|
|
|
| A |
Diamond |
60 kg |
10 kg |
Cemented
carbides, thin steel and shallow case hardened steel |
| B |
1/16" ball |
100 kg |
10 kg |
Copper
alloys, soft steels, aluminum alloys, mealleable iron |
| C |
Diamond |
150 kg |
10 kg |
Steel,
hard cast irons, pearlitic malleable iron, titanium, deep case-hardened
steel and the materials harder than HRB100 |
| D |
Diamond |
60 kg |
10 kg |
Thin
steel and medium case-hardened steel and pearlitic malleable iron |
| E |
1/8" ball |
100 kg |
10 kg |
Cast
iron, aluminum and magnesium alloys, bearing metals |
| F |
1/16" ball |
60 kg |
10 kg |
Annealed copper
alooys, thin soft sheet metals.
|
| G |
1/16" ball |
150 kg |
10 kg |
Phosphor
bronze, beryllium copper, malleable irons. Upper limit is HRG 92 to
avoid possible flattening of the ball. |
| H |
1/8" ball |
60 kg |
10 kg |
Aluminum,
Zinc, Lead |
| K |
1/8" ball |
150 kg |
10 kg |
Bearing
metals and otehr very soft or thin materials. Use smallest ball and
heaviest load that do not give an anvil effect |
| L |
1/4" ball |
60 kg |
10 kg |
[Same
as K] |
| M |
1/4" ball |
100 kg |
10 kg |
[Same
as K]
|
| P |
1/4" ball |
150 kg |
10 kg |
[Same
as K] |
| R |
1/2" ball |
60 kg |
10 kg |
[Same
as K] |
| S |
1/2" ball |
100 kg |
10 kg |
[Same
as K] |
| V |
1/2" ball |
150 kg |
10 kg |
[Same
as K] |
| Superficial
Rockwell Scales |
|
|
|
|
| 15N |
Diamond |
15 kg |
3 kg |
Similar to C scale, but
for thin materials |
| 30N |
Diamond |
30 kg |
3 kg |
[Same as 15N] |
| 45N |
Diamond |
45 kg |
3 kg |
[Same as 15N] |
| 15T |
1/16" ball |
15 kg |
3 kg |
Similar to B
scale, but for thin materials |
| 30T |
1/16" ball |
30 kg |
3 kg |
[Same as 15T] |
| 45T |
1/16" ball |
45 kg |
3 kg |
[Same as 15T] |
| 15W |
1/8" ball |
15 kg |
3 kg |
Used for very
soft materials |
| 30W |
1/8" ball |
30 kg |
3 kg |
Used for very soft materials |
| 45W |
1/8" ball |
45 kg |
3 kg |
Used for very soft materials |
| 15X |
1/4" ball |
15 kg |
3 kg |
Used for very soft materials |
| 30X |
1/4" ball |
30 kg |
3 kg |
Used for very soft materials |
| 45X |
1/4" ball |
45 kg |
3 kg |
Used
for very soft materials |
| 15Y |
1/2" ball |
15 kg |
3 kg |
Used
for very soft materials |
| 30Y |
1/2" ball |
30 kg |
3 kg |
Used
for very soft materials |
| 45Y |
1/2" ball |
45 kg |
3 kg |
Used
for very soft materials |
* Permission to reprint application
information in Regular Rockwell scale from: Hardness Testing (1987)
ASM International, Materials
Park, OH, 44073-0002, table 2, p 46.
Newage has moved:: 820 Pennsylvania Blvd., Feasterville, PA 19053 U.S.A.
Tel:215-355-6900; Fax:215-354-1803
email: newage.info@ametek.com
© 2008, Newage Testing Instruments, Inc
