HR-45 Superficial Rockwell Hardness Tester
• Steady and durable, high test efficiency;
• HRN, HRT scale can be read direct from the gauge;
• Adopts precision oil pressure buffer, loading speed can be adjusted;
• Manual testing process, no need for electric controlling；
• Precision conforms to the Standards of GB/T 230.2, ISO 6508-2 and ASTM E18；
Suitable for surface quenched steel, surface heat treating and chemical treating materials, copper alloy, aluminum alloy, sheet, zinc layers, chrome layers, tin layers,bearing steel and cold and hard casting etc.
Measuring range: 70-91HR15N, 42-80HR30N, 20-77HR45N, 73-93HR15T, 43-82HR30T,12-72HR45T
Test force: 147.1, 294.2，441.3N （15, 30, 45kgf）Initial test force:29.42N (3kgf)
Max. height of test piece: 170mm
Depth of throat: 135mm
Type of indenter:Diamond cone indenter,
φ1.588mm ball indenter
Min. scale value: 0.5HR
Hardness Reading: Dial Gauge
Dimensions: 466 x 238 x 630mm
Weight: 67/78Kg
| Main unit | 1 Set | Superficial Rockwell standard blocks | 4 Pcs |
| Large flat anvil | 1 Pc | Screw driver | 1 Pc |
| Small flat anvil | 1 Pc | Auxiliary box | 1 Pc |
| V-notch anvil | 1 Pc | Dust cover | 1 Pc |
| Diamond cone penetrator | 1 Pc | Operation manual | 1 Pc |
| Steel ball penetrator φ1.588mm | 1 Pc | Certificate | 1 Pc |
| Steel ball φ1.588mm | 5 Pcs |
|
Scale |
Indenter type |
Initial test force |
Total test force（N） |
Application scope |
| HR15N | Diamond indenter |
29.42 N（3kg） |
147.1(15kg) |
Carbide, nitrided steel, carburized steel, various steel plates, etc. |
|
HR30N |
Diamond indenter |
29.42 N（3kg） |
294.2(30kg) |
Surface hardened steel, carburized steel, knife, thin steel plate, etc. |
| HR45N | Diamond indenter |
29.42 N（3kg） |
441.3(45kg) |
Hardened steel, quenched and tempered steel, hard cast iron and parts edges, etc. |
|
HR15T |
Ball indenter (1/16’’) |
29.42 N（3kg） |
147.1(15kg) |
Annealed copper alloy, brass, bronze sheet, thin mild steel |
| HR30T |
Ball indenter (1/16’’) |
29.42 N（3kg） |
294.2(30kg) |
Thin mild steel, aluminum alloy, copper alloy, brass, bronze, malleable cast iron |
|
HR45T |
Ball indenter (1/16’’) |
29.42 N（3kg） |
441.3(45kg) |
Pearlite iron, copper-nickel and zinc-nickel alloy sheets |
