Rockwell
Test Blocks
Rockwell test blocks are calibrated in accordance with ASTM E18 and ISO 6508, using NIST Rockwell HRC standard reference materials. All other Rockwell scales are traceable to Wilson® Hardness levels through laboratory standardizing test machines. All Wilson Hardness laboratory machines are directly verified according to application ASTM parameters using devices that are traceable to NIST either directly or through a NVLAP® approved laboratory. All blocks are supplied with a NVLAP Certificate of Accreditation.
Indenters and Calibration Sets
Wilson® Hardness also provides a full range of NVLAP certified diamond and ball indenters to accomodate each scale of Rockwell hardness testing. For ultimate accuracy and performance in tester verification, calibration sets are available in most scales. Precision calibrated and verified, calibration sets provide a high degree of uniformity through tighter tolerance components.
Rockwell Ready Blocks
Select Rockwell Test Blocks can ship next day via the Rockwell Ready Block Program.
▸ Ready Block Program information including available scales and hardness values.
Calibration Sets (ASTM E18 / ISO 6508-3):
| Scale |
Description |
Catalog Number |
| HRC |
C Scale Set; Master C Brale Diamond Indenter with: C63,C45 & C25 Rockwell Test Blocks |
9100-498 |
| HRA |
A Scale Set; Master A Brale Diamond Indenter with: A83, A73 & A63 Rockwell Test Blocks |
9100-489 |
| HR15N |
15N Scale Set; Master N Brale Diamond Indenter with: 15N72, 15N83, 15N91 Rockwell Blocks |
9100-493 |
| HR30N |
30N Scale Set; Master N Brale Diamond Indenter with: 30N80, 30N64 & 30N46 Rockwell Blocks |
9100-490 |
| HR45N |
45N Scale Set; Master N Brale Diamond Indenter with: 45N25, 45N49, 45N70 Rockwell Blocks |
9100-494 |
| HRBW |
B Scale Calibration Set Master 1/16" Ball Penetrator with: B95, B70, B50 Rockwell Test Blocks |
9100-491W |
| HR15TW |
15T Scale Calibration Set Master 1/16" Ball Indenter with: 15T 73.5, 15T T80, 15T 86.5 test blocks |
9100-496W |
| HR30TW |
30T Scale Calibration Set Master 1/16" Ball Penetrator with: 30T70, 30T57 & 30T43 Rockwell Blocks |
9100-492W |
| HR45TW |
45T Scale Calibration Set Master 1/16" Ball Indenter with: 45T 12.5, 45T 33.5, 45T 53 test blocks |
9100-495W |
| HREW |
E Scale Calibration Set Master 1/8" Ball Indenter with: E62, E81, E93 Rockwell test blocks |
9100-497W |
| HRFW |
F Scale Calibration Set Master 1/16" Ball Indenter with: F63, F79, F97 Rockwell test blocks |
9100-499W |
Carbide Blocks (ASTM B294 / ISO 3738-2)
| Catalog Number |
Description |
Nominal Hardness Range |
| 900990185 |
A85 Rockwell Carbide Test Block |
84.00 - 86.00
|
| 900990187 |
A87 Rockwell Carbide Test Block |
86.01 - 88.50
|
| 900990189 |
A89 Rockwell Carbide Test Block |
88.51 - 90.49
|
| 900990191 |
A91 Rockwell Carbide Test Block |
90.50 - 91.50
|
| 900990192 |
A92 Rockwell Carbide Test Block |
91.51 - 92.50
|
| 900990193 |
A93 Rockwell Carbide Test Block |
92.51 - 93.50
|