Vickers Hardness

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Element

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Aluminum

293 K

167 MN/m2

473 K

108 MN/m2

673 K

34.3 MN/m2

873 K

9.81 MN/m2

Beryllium

purity - 99.9%

293 K

1670 MN/m2

673 K

1080 MN/m2

873 K

589 MN/m2

1073 K

314 MN/m2

1273 K

98.1 MN/m2

Boron

293 K

49000 MN/m2

Cerium

cast, 293 K

235 MN/m2 to 294 MN/m2

forged, 293 K

471 MN/m2

Chromium

smelted in vacuum

293 K

1060 MN/m2

673 K

687 MN/m2

873 K

667 MN/m2

1173 K

412 MN/m2

1273 K

206 MN/m2

1373 K

98 MN/m2

Cobalt

smelted in vacuum

293 K

1043 MN/m2

653 K

1050 MN/m2

713 K

746 MN/m2

773 K

589 MN/m2

1173 K

304 MN/m2

1273 K

216 MN/m2

1373 K

157 MN/m2

Copper

single crystal {III}

293 K

343 MN/m2

473 K

314 MN/m2

673 K

248 MN/m2

873 K

184 MN/m2

1073 K

75.5 MN/m2

1173 K

47.1 MN/m2

electrolytic, smelted

293 K

369 MN/m2

473 K

345 MN/m2

673 K

261 MN/m2

873 K

147 MN/m2

1073 K

70.6 MN/m2

1223 K

37.3 MN/m2

Dysprosium

cast, 293 K

540 MN/m2

annealed, 293 K

412 MN/m2

Erbium

cast, 293 K

589 MN/m2

annealed, 293 K

432 MN/m2

Europium

cast, 293 K

167 MN/m2

Gadolinium

cast, 293 K

510 MN/m2 to 638 MN/m2

annealed, 293 K

559 MN/m2

forged, 293 K

952 MN/m2

Gold

293 K

216 MN/m2

483 K

182 MN/m2

673 K

157 MN/m2

873 K

74 MN/m2

1073 K

39 MN/m2

1173 K

25 MN/m2

Hafnium

iodide, 293 K

1760 MN/m2

Holmium

cast, 293 K

481 MN/m2

annealed, 293 K

412 MN/m2

Iridium

annealed at 2273 K, purity - 99.93%

293 K

1760 MN/m2

673 K

1410 MN/m2

873 K

1270 MN/m2

1073 K

1020 MN/m2

1343 K

863 MN/m2

Iron

carbonyl

293 K

608 MN/m2

473 K

598 MN/m2

533 K

618 MN/m2

673 K

677 MN/m2

713 K

697 MN/m2

733 K

638 MN/m2

873 K

334 MN/m2

1173 K

137 MN/m2

1273 K

98.1 MN/m2

1378 K

69 MN/m2

Lanthanum

cast, 293 K

491 MN/m2

Lutetium

cast, 293 K

1160 MN/m2

Molybdenum

metalloceramic

293 K

1530 MN/m2

533 K

1040 MN/m2

773 K

952 MN/m2

1173 K

804 MN/m2

1373 K

667 MN/m2

Neodymium

cast, 293 K

343 MN/m2

forged, 293 K

746 MN/m2

Nickel

smelted in vacuum

293 K

638 MN/m2

533 K

598 MN/m2

683 K

549 MN/m2

873 K

432 MN/m2

1173 K

265 MN/m2

1273 K

118 MN/m2

1373 K

88.3 MN/m2

Niobium

473 K

1320 MN/m2

478 K

1130 MN/m2

698 K

1080 MN/m2

923 K

804 MN/m2

1143 K

589 MN/m2

1253 K

334 MN/m2

1368 K

255 MN/m2

1478 K

196 MN/m2

Palladium

annealed at 1573 K for 3 hr, purity - 99.99%

293 K

461 MN/m2

673 K

451 MN/m2

773 K

383 MN/m2

873 K

275 MN/m2

1073 K

137 MN/m2

1273 K

88.3 MN/m2

1373 K

78.5 MN/m2

Platinum

annealed at 1573 K for 3 hr, purity - 99.99%

293 K

549 MN/m2

673 K

500 MN/m2

873 K

461 MN/m2

1073 K

314 MN/m2

1273 K

167 MN/m2

1348 K

128 MN/m2

Praseodymium

cast, 293 K

363 MN/m2 to 422 MN/m2

forged, 293 K

746 MN/m2

Rhenium

annealed, 293 K

2450 MN/m2

strained, 293 K

7850 MN/m2

Rhodium

annealed at 1873 K for 1.5 hr, purity - 99.6%

293 K

1246 MN/m2

723 K

942 MN/m2

1348 K

461 MN/m2

Samarium

cast, 293 K

412 MN/m2

annealed, 293 K

441 MN/m2

Silver

293 K

251 MN/m2

483 K

293 MN/m2

673 K

172 MN/m2

873 K

91.2 MN/m2

1173 K

29.4 MN/m2

Tantalum

obtained by electron beam fusion

293 K

873 MN/m2

673 K

804 MN/m2

873 K

716 MN/m2

1073 K

363 MN/m2

1273 K

285 MN/m2

1473 K

206 MN/m2

Terbium

cast, 293 K

863 MN/m2

Thorium

iodide, annealed, 293 K

294 MN/m2 to 392 MN/m2

reduced with calcium, 293 K

589 MN/m2 to 687 MN/m2

Thulium

cast, 293 K

520 MN/m2

annealed, 293 K

471 MN/m2

Titanium

iodide, purity - 99.9%

293 K

971 MN/m2

673 K

491 MN/m2

1073 K

137 MN/m2

1153 K

49.0 MN/m2

1273 K

275 MN/m2

1373 K

13.7 MN/m2

Tungsten

metalloceramic

293 K

3430 MN/m2

673 K

1320 MN/m2

1073 K

932 MN/m2

1373 K

804 MN/m2

Uranium

293 K

1960 MN/m2

573 K

785 MN/m2

673 K

491 MN/m2

923 K

98 MN/m2

973 K

294 MN/m2

1023 K

275 MN/m2

1028 K

15.7 MN/m2

1073 K

7.87 MN/m2

1173 K

5.89 MN/m2

Vanadium

iodide, rolled and annealed at 1273 K for 1 hr, 293 K

628 MN/m2

Ytterbium

cast, 293 K

206 MN/m2

Zirconium

iodide, purity - 99.99%

293 K

903 MN/m2

473 K

540 MN/m2

873 K

235 MN/m2

Reference (Click the next to a value above to see complete citation information for that entry)

Samsonov, G. V., editor. Handbook of the Physicochemical Properties of the Elements. New York: Plenum Publishing Corporation, 1968.

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