Hardnesses of the elements (data page) explained

number symbol name data-sort-type="number"Mohs hardness!data-sort-type="number"Vickers hardness
(MPa) !
data-sort-type="number"Brinell hardness
(MPa)
data-sort-type="number"Brinell hardness
(MPa)
3 Li lithium0.55
4 Be beryllium6.01670590–1320
5 B boron9.3[1] 4900-5800 [2]
6 C carbon (graphite)0.6
6 C carbon (diamond)10.0
11 Na sodium0.50.69
12 Mg magnesium2.526044 (cast)
13 Al aluminium2.75160–350 160–550 184
14 Si silicon7-7.5
16 S sulfur2.0
19 K potassium0.40.363
20 Ca calcium1.75170416
21 Sc scandium736–1200
22 Ti titanium6.0 830–3420 716–2770 1028
23 V vanadium7.0628–640600–628742
24 Cr chromium8.51060 687-6500 688
25 Mn manganese6.0196
26 Fe iron4.5608200-1180 590-1140
27 Co cobalt5.51043470–30001291
28 Ni nickel4.0638667–1600 900–1200
29 Cu copper3.0343–369235–878 520
30 Zn zinc2.5327–412480–520
31 Ga gallium1.556.8–68.7
32 Ge germanium6.0
33 As arsenic3.51440
34 Se selenium2.0736
37 Rb rubidium0.3 0.216
38 Sr strontium1.5
39 Y yttrium200–589
40 Zr zirconium5.0820–1800 638–1880 333
41 Nb niobium6.0870–1320735–2450 735
42 Mo molybdenum5.51400–2740 1370–2500 1340 (cast)
44 Ru ruthenium6.52160 1795
45 Rh rhodium6.01100–8000 980–1350540
46 Pd palladium4.75400–600320–610 310
47 Ag silver2.5250 245–250 206
48 Cd cadmium2.0203–220 196
49 In indium1.28.83-10 9.8
50 Sn tin1.551–75 292–441 (cast)
51 Sb antimony3.0294–384
52 Te tellurium2.25180–270
55 Cs caesium0.20.147
56 Ba barium1.25
57 La lanthanum2.5360–1750350–400
58 Ce cerium2.5 210–470186–412
59 Pr praseodymium1.6 250–746250–638
60 Nd neodymium343–746 265–700
61 Pm promethium617.8
62 Sm samarium412–441 441–600
63 Eu europium167–200
64 Gd gadolinium510–950
65 Tb terbium450–863 677–1200
66 Dy dysprosium412–550 500–1050
67 Ho holmium412–600 500–1250
68 Er erbium2.0 432–700 600–1070
69 Tm thulium470–650 471–900
70 Yb ytterbium206–250 343–441
71 Lu lutetium755–1160 893–1300
72 Hf hafnium5.5 1520–2060 1450–2100
73 Ta tantalum6.5 873–1200 441-3430 441–1224
74 W tungsten7.5 3430–4600 2000–4000 1960–2450
75 Re rhenium7.01350-7850 1320–2500
76 Os osmium7.0 3920–4000 3487
77 Ir iridium6.5 1760–2200 1670 2120
78 Pt platinum4.6-5.0400–549 310–500 299
79 Au gold2.5 188–216 188–245 189
80 Hg mercury1.5
81 Tl thallium1.2 26.5–44.7
82 Pb lead1.5 38–5037.5–41.8 (cast)
83 Bi bismuth2.25 70–94.270
90 Th thorium3.0 294–687 390–1500
92 U uranium6.01960–2500 2350–3850

See also

Notes and References

  1. Book: Kirk-Othmer Encyclopedia of Chemical Technology . 2001-01-26 . Wiley . 978-0-471-48494-3 . Kirk-Othmer . 1 . en . 10.1002/0471238961.0215181510011419.a01.pub2.
  2. Web site: The Genetic Atlas.