Tantalum Plate
tantalum plate
Brief introduction:
Tantalum is one kind of metallic element. Tantalum has such properties as hard texture, high melting point and corrosion resistance. All of these properties make its application field wide. Half of tantalum production is used in the production of tantalum capacitors.

Tantalum plate

is manufactured from tantalum powder by rolling. The difference between tantalum plate and tantalum sheet is that tantalum plate is thicker that tantalum sheet. While their manufacturing processes are same.

Properties of tantalum plate:
Tantalum plate has the same properties of tantalum.
The purity of tantalum plate is 99.95% or  99.99%. Tantalum plate is produced strictly accordance with ASTM B 708 98.
Sanhui Co., Ltd can provide tantalum plate according to customers’ requirements. We also supply

tantalum alloys

products.

Specifications of tantalum plate:
Table 1: Sizes
Size Thickness (mm) Width (mm) Length (mm)
Foil 0.03-0.07 30-200 >50
Sheet 0.07-0.5 30- 700 30-2000
Plate 0.5-10 50-1000 50-3000

Table 2: Chemical composition:
chemistry%
designation chief component impurities maximum
Ta Nb Fe Si Ni W Mo Ti Nb O C H N
Ta1 Remainder --  0.004 0.003 0.002 0.004 0.006 0.002 0.03 0.01 0.004 0.0015 0.002
Ta2 Remainder --  0.01 0.01 0.005 0.02 0.02 0.005 0.08 0.015 0.01 0.0015 0.01
TaNb3 Remainder <3.5 0.01 0.01 0.005 0.02 0.02 0.005 --  0.015 0.01 0.0015 0.01
TaNb20 Remainder 17.0-23.0 0.01 0.01 0.005 0.02 0.02 0.005 --  0.015 0.01 0.0015 0.01
Ta2.5W Remainder --- 0.005 0.003 0.002 3.0 0.006 0.002 0.04 0.015 0.005 0.0015 0.006
Ta10W Remainder --  0.005 0.003 0.002 11 0.006 0.002 0.04 0.015 0.005 0.0015 0.006
special require to be agreed on by the supplier and buyer of negotiations.
 
Table 3. 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
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