HRM-45 Surface hardness tester
Technical Specifications
1. The initial test force: 29.42N (3kg); Tolerance: ±2.0%
2. The total test force: 147.1N (15kg), 294.2N (30kg), 441.3N (45kg); Tolerance: ±1.0%
3. The specifications of the indenter:
3.1 Diamond Rockwell indenters
3.2 Ball indenters φ1.5875mm
4. The max height of the specimens: 175mm
5. The distance from the center of the indenter to the instrument body: 165mm
6. The total dimension of the tester: 520×215×700 (mm)
7. The total weight of the tester: 73kg
8. The allowed tolerances of the indicated values of the hardness tester
|
Scale |
Hardness of Standard Blocks |
Display Tolerance |
|
15N |
(70~94) HR 15N |
±2 HRN |
|
30N |
(42~86) HR 30N |
|
|
45N |
(20~77) HR 45N |
|
|
15T |
(67~93) HR 15T |
±3 HRT |
|
30T |
(29~82) HR 30T |
|
|
45T |
(10~72) HR 45T |
|
Scale |
Indenter Type |
Initial Test Force |
Total Test Force
(N)
|
Applications |
|
HR15N |
Diamond Indenter |
29.42 N
(3kg)
|
147.1(15) |
Hard alloy steel,
nitride steel, carburized steel,
various heavy steel plate, etc
|
|
HR30N |
294.2(30) |
Surface-quenched steel,
carburized steel, knife,
thin steel plate, etc
|
||
|
HR45N |
441.3(45) |
Quenched steel,
tempered steel, hard cast iron
and edge of parts, etc
|
||
|
HR15T |
Ball Indenter
φ1.5875mm
(1/16 inch)
|
147.1(15) |
Annealed copper alloy,
brass,bronze plate, mild steel sheet
|
|
|
HR30T |
294.2(30) |
Mild steel sheet,
aluminum alloy, copper alloy,
brass and bronze, malleable cast iron,
|
||
|
HR45T |
441.3(45) |
Pearlite iron, copper -nickel alloy and zinc-nickel alloy plate |
Besides the main instrument, there are provided the following accessories:
|
NO. |
Name (specifications) |
Quantity |
|
1 |
Rockwell Diamond Indenter |
1 |
|
2 |
Ball Indenterφ1.5875mm |
1 |
|
3 |
Big Testing Table |
1 |
|
4 |
Middle-sized Testing Table |
1 |
|
5 |
“V”-shaped Testing Table |
1 |
|
|
Rockwell standard Blocks |
|
|
6 |
HR30T |
1 PC |
|
7 |
HR15N, HR30N |
TOTAL 2 PCS |
|
8 |
Sets of weights A,B,C |
3 sets in all |
|
9 |
Protective Plastic Corer |
1 |
|
10 |
Instruction Manual |
1 copy |
The company's purpose is: to survive by quality, to develop by technology, to be credible, to serve at home, and to solve technical problems in the use of users in a timely manner.
Contact us
Company address：Laizhou city Hutouya Industrial Park
Zip Code：
Contact number：0535-2170606
Phone number：18906457285
E - MAIL：932055971@qq.com
Website：Laizhou Huaxing Test Instrument Co.
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