Metrological and technical characteristiks of test blocks

ROCKWELL HARDNESS TEST BLOCKS

Test block type (size, mm) Rockwell hardness scale Load, kgf (N) Range of hardness values, HR Repeatability of hardness values, HR, no more than
R- (604010;
Ø6510)
HRA 60
(589)
3010 0,7
6015 0,6
833 0,4
HRB 100
(981)
7010 0,7
9010 0,5
HRC 150
(1471)
255
455 0,4
655 0,3

SUPERFICIAL-ROCKWELL HARDNESS TEST BLOCK

Test block type (size, mm) Superficial-Rockwell hardness scales Load, kgf (N) Range of hardness values, HR Repeatability of hardness values, HR, no more than
SR- (604010) HR15N 15
(147)
922 0,4
HR30N 30
(294)
804
455 0,6
HR45N 45
(441)
496
HR15T 15
(147)
903 0,6
HR30T 30
(294)
766 0,7
505 1,2
HR45T 45
(441)
6010 0,6

BRINELL HARDNESS TEST BLOCKS

Test block type (size, mm) Brinell hardness scale HB (BW*) ball diameter / load / hold time Load, kgf (N) Range of hardness values, HB (HBW*) Repeatability of hardness values, %, no more than
B- (1008016; 604010) HB 10/1000/10 1000,0
(9810)
10025 2,0
HB 5/250/10 250,0
(2452)
HB 2,5/62,5/10 62,5
(613)
HB 10/3000/10 3000,0
(29430)
20050
40050
60050**
1,5
HB 5/750/10 750,0
(7357)
HB 2,5/187,5/10 187,5
(1839)

* Brinell scale HBW is used for the hard-alloy ball indenter.
** The range is only indicated for the HBW scale.

VICKERS HARDNESS TEST BLOCKS

Test block type (size, mm) Range of hardness values, HV Vickers hardness scale Load, kgf (N) Repeatability of hardness values, %, no more than
V-
(604010)
25050
45075
80050
HV1 1 (9,81) 3
HV2 2 (19,61)
HV5 5 (49,03) 1,5
HV10 10 (98,07)
HV20 20 (196,1) 1
HV30 30 (294,2)
HV50 50 (490,3)
HV100 100 (980,7)

VICKERS MICRO HARDNESS TEST BLOCKS

Micro hardness test block type (size, mm) Range of hardness values, HV Vickers micro hardness scale Load, kgf (N) Repeatability of hardness values, %, no more than
MMTV-MET
(Ø255)
80050
45075
25050
HV0,01 0,01 (0,098) 9
HV0,025 0,025
(0,196)
HV0,05 0,05
(0,49)
7
HV0,1 0,1
(0,98)
HV0,2 0,2
(1,96)
HV0,3 0,3
(2,94)
5
HV0,5 0,5
(4,90)
HV1 1 (9,81) 3

SHORE HARDNESS TEST BLOCKS

Test block type (size, mm) Shore D hardness scale Range of hardness values, HSD Repeatability of hardness values, HSD, no more than
SH-MET
(Ø15)
HSD 307 0,6
607 0,8
957 1,0
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