Wednesday, March 2, 2016

Tantalum FoilShenzhen Sunrise Metal Industry Co.,Ltd

Tantalum FoilShenzhen Sunrise Metal Industry Co.,Ltd

0086-0755-27185042 
http://www.sunriseta.com
sales@sunriseta.comTantalum sheet, Tantalum plate, Ta10w tantalum plate, Spinneret tantalum sheet
Purity   : 99.95%min or 99.99%min conformity with ASTM B 708 98
Size:
         Thickness (mm)     Width (mm)     Length (mm)
Foil            0.03-0.07        30-200       >50
Sheet          0.07-0.5          30- 700        30-2000
Board          0.5-10           50-1000       50-3000
Purity:          >=99.95% or 99.99%
Table 1:Chemical composition
Table 2. Mechanical requirements  (annealed  condition)
Grade and size
Annealed
Tensile strength
min, psi (MPa)
Yield strength min,psi (MPa)(2%)
Elongation min, % (1 inch gage length)
Sheet, foil. and board (RO5200, RO5400) Thickness<0.060"(1.524mm)
Thickness≥0.060"(1.524mm)
30000 (207)
20000 (138)
20
25000 (172)
15000 (103)
30
Ta-10W (RO5255)
Sheet, foil. and board
70000 (482)
60000 (414)
15
70000 (482)
55000 (379)
20
Ta-2.5W(RO5252)
Thickness<0.125" (3.175mm)
Thickness≥0.125" (3.175mm)
40000 (276)
30000 (207)
20
40000 (276)
22000 (152)
25
Ta-40Nb   (RO5240)
Thickness<0.060"(1.524mm)
40000 (276)
20000 (138)
25
Thickness>0.060"(1.524mm)
35000 (241)
15000 (103)
25

Properties















Molecular Weight180.94
Appearance
Solid
Melting Point2996 °C
Boiling Point5425 °C
Density16.654 g/cm3
Thermal Expansion
(25 °C) 6.3 µm·m-1·K-1
Poisson Ratio0.34
Vickers Hardness873 MPa
Young's Modulus186 GPa
Tensile Strengthup to 130,000 psi
Thermal Conductivity0.575 W/cm/K @ 298.2 K
Electronegativity1.5 Paulings
Specific Heat0.0334 Cal/g/K @ 25 °C
Heat of Vaporization180 K-Cal/gm atom at 5425 °C

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