Materiał
|
Metoda twardości
|
Urządzenie udarowe
|
|||||
D/DC
|
D+15
|
C
|
g
|
mi
|
DL
|
||
Stal i staliwo
|
HRC
|
17,9~68,5
|
19,3~67,9
|
20,0~69,5
|
|
22,4~70,7
|
20,6~68,2
|
HRB
|
59,6~99,6
|
|
|
47,7~99,9
|
|
37,0~99,9
|
|
HRA
|
59,1~85,8
|
|
|
|
61,7~88,0
|
|
|
HB
|
127~651
|
80~638
|
80~683
|
90~646
|
83~663
|
81~646
|
|
HV
|
83~976
|
80~937
|
80~996
|
|
84~1042
|
80~950
|
|
HS
|
32,2~99,5
|
33,3~99,3
|
31,8~102,1
|
|
35,8~102,6
|
30,6~96,8
|
|
Stal młotkowana
|
HB
|
143~650
|
|
|
|
|
|
Stal narzędziowa do pracy na zimno
|
HRC
|
20,4~67,1
|
19,8~68,2
|
20,7~68,2
|
|
22,6~70,2
|
|
HV
|
80~898
|
80~935
|
100~941
|
|
82~1009
|
|
|
Stal nierdzewna
|
HRB
|
46,5~101,7
|
|
|
|
|
|
HB
|
85~655
|
|
|
|
|
|
|
HV
|
85~802
|
|
|
|
|
|
|
Żeliwo szare
|
HRC
|
|
|
|
|
|
|
HB
|
93~334
|
|
|
92~326
|
|
|
|
HV
|
|
|
|
|
|
|
|
Żeliwo sferoidalne
|
HRC
|
|
|
|
|
|
|
HB
|
131~387
|
|
|
127~364
|
|
|
|
HV
|
|
|
|
|
|
|
|
Odlew aluminiowy
stopy
|
HB
|
19~164
|
|
23~210
|
32~168
|
|
|
HRB
|
23,8~84,6
|
|
22,7~85,0
|
23,8~85,5
|
|
|
|
Mosiądz (stopy miedzi z cynkiem)
|
HB
|
40~173
|
|
|
|
|
|
HRB
|
13,5~95,3
|
|
|
|
|
|
|
Brąz (stopy miedź-aluminium/miedź-cyna)
|
HB
|
60~290
|
|
|
|
|
|
Kuta miedź
stopy
|
HB
|
45~315
|
|
|
|
|
|
Nie.
|
Materiał
|
HLD
|
Siła σb(Mpa)
|
1
|
Stal miękka
|
350~522
|
374~780
|
2
|
Stal weglowa z wysoka zawartoscia wegla
|
500~710
|
737~1670
|
3
|
Stal Cr
|
500~730
|
707~1829
|
4
|
Stal Cr-V
|
500~750
|
704~1980
|
5
|
Stal Cr-Ni
|
500~750
|
763~2007
|
6
|
Stal Cr-Mo
|
500~738
|
721~1875
|
7
|
Stal Cr-Ni-Mo
|
540~738
|
844~1933
|
8
|
Stal Cr-Mn-Si
|
500~750
|
755~1993
|
9
|
Stal super wytrzymała
|
630~800
|
1180~2652
|
10
|
Stal nierdzewna
|
500~710
|
703~1676
|