기술자료

기술자료

희유 금속별 용도

Mo
W
Ti
Ta
Nb
Ni
Li
Hf
In
Ir
V
Zr
Be
Co
Cr
Ga

희유금속 물리적특성

Properties Molybdenum Tungsten Tantalum Niobium Titanium Zirconium Nickel
Atomic number 42 74 73 41 22 40 28
CAS number 7439-98-7 7440-33-7 7440-25-7 7440-03-01 7440-32-6 7440-67-7 7440-02-0
Atomic mass 95.94 183.84 180.95 92.91 47.867 91.224 58.69
Melting point 2620°C 3 420 °C 2 996 °C 2 468 °C 1668℃ 1852℃ 1453℃
Boiling point 5560°C 5 900 °C 5 450 °C 4 900 °C 3287℃ 4377℃ 2732℃
Atomic volume 0.0153 nm3 0.0159 nm3 0.0180 nm3 0.0180 nm3 10.64g/cm³ 14.1g/cm³ 6.59g/cm³
Density at 20 °C 10.2g/cm³ 19.30g/cm³ 16.60g/cm³ 8.55g/cm³ 4.506g/cm³ 6.49g/cm³ 8.90g/cm³
Crystal structure body-centred cubic body-centred cubic body-centred cubic body-centred cubic Hexagonal unit cell Dense hexagonal unitcell face-centered cubic
Lattice constant 0.3147 [nm] 0.3165 [nm] 0.3303 [nm] 0.3294 [nm] 　 　 8.4×101mg⋅kg−1
Abundance in the Earth'scrust 1.2 [g/t] 1.25 [g/t] 2.0 [g/t] 20.0 [g/t] 5600ppm 1900ppm 　
Speed of sound 5400 m/s(at r.t.)(thin rod) 4620m/s(at r.t.)(thin rod) 3400m/s(at r.t.)(thin rod) 3480 m/s(at r.t.)(thin rod) 5090（m/S） 6000（m/S） 4970（m/S）
Thermal expansion 4.8 µm/(m·K)(at 25 °C) 4.5 µm/(m·K)(at 25 °C) 6.3 µm/(m·K)(at 25 °C) 7.3 µm/(m·K)(at 25 °C) 13.6 µm/m·K 4.5×10^-6 K^-1 10.0×10^-6/℃
Thermal conductivity 138 W/(m·K) 173 W/(m·K) 173 W/(m·K) 53.7W/(m·K) 15.24W/(m·K) 22.5 w/m·K 71.4 w/m·K
Electrical resistivity 53.4 nΩ·m(at 20 °C) 52.8 nΩ·m(at 20 °C) 131 nΩ·m(at 20 °C) 152 nΩ·m(at 20 °C) 0.42mΩ·m(at 20 °C) 40mΩ·m 20mΩ·m
Mohs hardness 5.5 7.5 6.5 6 10 7.5 6
Vickers hardness 1400-2740Mpa 3430-4600Mpa 870-1200Mpa 870-1320Mpa 180-300 HV 1200 HV 215 HV
Brinell hardness 1370-2500Mpa 2000-4000Mpa 440-3430Mpa 1735-2450Mpa 　 　 　

니켈 합금 별 물리적 특성

Nickel Alloys Chemistry T.S Rm. Y.S E % Density
C Cr Ni Fe Mo Others Mpa,Min Mpa,Min min
Alloy 200 0.05 - 99.4 - - - 380 100 40 8.89
Alloy 201 0.02 - 99.4 - - - 345 80 40 8.89
Alloy 600 0.15 15 76 8 - - 550 240 30 8.47
Alloy 601 0.1 23 60.5 14 - AI 1.5 550 205 30 8.11
Alloy 690 0.05 29 61.5 9 - - 586 240 30 8.19
Alloy 800H/800HT 0.08 21 32 46 - AI + Ti 450 170 30 7.98
Alloy 718 0.08 18 54 18 3 Nb5 1275 1034 12 7.8
Alloy 286 0.08 15 25 56 1.2 Ti2 228 252 37.5 7.9
Alloy 617 0.15 22 52 1.5 9 Co13.AI 665 240 30 8.36
Alloy 750 0.08 15 73 7 - TiAINb 790 1170 15 8.25
Alloy 80A 0.1 20 76 < 3 - TiAI 930 620 20 8.19
Alloy 90 0.13 20 60 < 1.5 Co TiAI - - - 8.18
Alloy 901 0.1 13 42 36 6 Ti3 741 102.5 9 8.14
Alloy 625 0.1 21 62 25 9 Nb3.5 690 276 30 8.44
Alloy 825 0.05 21 42 28 3 Cu Ti 586 241 30 8.14
Alloy 925 - - 45 < 22 3 Cu Ti 150 110 25 8.14
Alloy 31 0.015 29 31 - 6.2 Cu N 650 276 40 8.0
Alloy 28 0.02 27 31 - 3.5 Cu 1 500 214 40 8.0
Alloy C276 0.01 16 57 5.5 16 W4 690 283 40 8.89
Alloy C22 0.01 22 56 3 13 CoW3 690 310 45 8.69
Alloy C4 0.01 16 65 3 16 Co Ri 690 276 40 8.64
Alloy B2 0.01 - 69 - 28 Co 760 350 40 9.22
Alloy B3 0.01 1 65 - 28 W2 760 350 40 9.22
Alloy 59 0.01 23 Bal < 1.5 16 Al 690 310 45 8.6
Alloy 20 0.06 20 34 37 2.5 Cu 3.5Nb/C6 551 241 30 8.05
Alloy G3 0.03 23 44 20 7 Co25Cu2 621 241 45 8.14
Alloy 400 0.15 - 65 1.6 - Cu32 195 485 35 8.8
Alloy K500 0.25 - 65 1.0 - Cu30Al3Ti 690 970 15 8.44
Cupronickel 70/30 0.02 - 31 0.5 - Cu68 40 15 30 8.94
Cupronickel 90/10 0.03 -1 10 0.5 - Cu88 45 18 18 8.94