logo.gif (5139 bytes) Specialty Metals and Alloys

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MWS "Specialty Metals" cover a broad range of materials from high purity precious metals to high temperature refractory metals. When alloyed, these metals combine to create hundreds of materials with many unique physical, thermal, and electrical properties. Most of the metals and alloys shown below are available in wire, ribbon, foil, square and rectangular shapes.

Properties of Specialty Metals and Alloys

Metal Symbol (C) Melt Point (C) Boil Point Density at 20C Coefficient of Thermal Expansion near 20C Specific Heat at   20C Thermal Conductivity near 20C Electrical Resistivity Purity (%) Commonly Alloyed with
(gm/cu cm) (X 10 -6 /C (cal / g / C) (cal / sq cm / microhm / cm ohms/cmf @ 20C
cm / sec / C)
Gold Au 1063 2950 19.32 14.2 .031 .71 2.19( 0C ) 13.25 99.9 - 99.999 Sb, Cu, Ni, Pt, Ag, Be, Co, Fe, Ga, Sn, Ge, Si, In
Indium In 156 2075 7.31 33 .058 .057 8.37( 0C ) 50.35 99.9 - 99.9999 Bi, Pb, Sn, Ag, Au, Cu,
Iridium Ir 2443 4700 22.5 6.8 .0312 .14 5.3( 20C ) 31.88 99.9 - 99.99 Pt, Rh
Molybdenum Mo 2620 5550 10.22 4.9 .062 .35 5.17( 0C ) 31.10 99.9 - 99.99 W, Re
Niobium Nb 2468 4400 8.57 7.1 .064 .13 13.1( 20C ) 78.80 99 - 99.99 Ta, W, Ti
Palladium Pd 1552 3980 12.02 11.8 .059 .17 10.8( 20C ) 64.96 99.9 - 99.99 Ag
Platinum Pt 1773 4410 21.45 8.9 .0321 .17 9.83( 0C ) 59.13 99.9 - 99.999 Ir, Rh, W, Ni, Ru, Cu, Au, Ag
Rhenium Re 3180 5900 21.04 6.7 .033 .17 19.3( 20C ) 116.09 99.9 - 99.99 Mo, W
Rhodium Rh 1966 4500 12.44 8.3 .060 .21 4.5( 20C ) 27.07 99.9 - 99.99 Pt, Ir
Silver Ag 961 2210 10.49 19.7 .054 1 1.59( 20C ) 9.56 99.9 - 99.9999 Cu, Pd, Ni, In, Sb, As, Ga, Al, Li, Pt
Tantalum Ta 2996 5425 16.6 6.5 .034 .13 12.4( 18C ) 74.19 99.9 - 99.99 W, Hf
Tin Sn 232 2270 7.30 23 .054 .16 11.5( 20C ) 69.17 99.99 - 99.9999 Au, In
Titanium Ti 1660 3260 4.51 8.5 .126 .041 80( 0C ) 481.2 99 - 99.9 Nb
Tungsten W 3410 5930 19.3 4.3 .033 .48 5.5( 20C ) 33.08 99.9 - 99.99 Re, Mo, Pt, Ta, Nb, Thoria

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