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Rockwell scale: HRA,HRB,HRC,HRD,HRE,HRF,HRG,HRH, HRK,HRL,HRM,HRR
Conversion scale: Check Conversion table
Preliminary test force: 10Kg(98N)
Total test force: 60Kg (588N), 100Kg (980N), 150Kg (1471N) Tolerance range:±1.0%
Resolution: 0.5HR
Hardness value range: HRA:20～88 HRB:20～100 HRC:20～70
Hardness data read: Dial
Loading method: Manual
Dwell time: Manual
Test space: Maximum height :170mm Maximum throat depth:135mm
Size / weight: Instrument size: 466*238*630mm（L×W×H）/Net Weight: 65kg
Executive standard: GB/T230.2 , BSEN 6508, ASTM E18 , ISO 6508 , JJG112
Standard accessories:
Rockwell hardness tester host: 1 set
Diamond Rockwell indenter:1 pc
1.588mm diameter hard alloy steel ball indenter :1 pc, Standard hardness block: 3 pcs
Large testing table: 1 pc
Medium testing table: 1 pc
V-shaped testing table: 1 pc
1.588 mm diameter steel ball :5 pcs
Dust-proof cover: 1 pc,
Accessory case :1 pc
Operating instruction :1pc
Quality certificate :1 pc
Hardness conversion table:1pc
Warranty card :1 pc.
Optional accessories: Block, Indente
Hardness scale, force, Indenter relation:
Scale | Indenter | Preliminary test force (N) | Total test force (N) | Applications |
A | Diamond indenter coning angle 120°0.2mm radius of top sphere | 98 | 588 | Horniness alloy, cementite steel |
D | 980 | Thin steel, quenched case | ||
C | 1471 | Quenched steel, thermal refined steel, cast steel | ||
F | Diameter of steel ball 1.588mm (1/16 inch） | 588 | Anneal copper alloy, thin soft steel | |
B | 980 | Soft steel, aluminum alloy, copper alloy, casting | ||
G | 1471 | Pearliest iron, copper, nickel, zinc, nickel alloy | ||
H | Diameter of steel ball 3.175mm (1/8 inch） | 588 | ||
E | 980 | |||
K | 1471 |
