ASTM B 708 tantalum disc with top quality
USD $100 - $700 /Kilogram
Min.Order:10 Kilograms
Nanjing Free-Corrosive Metal Co., Ltd
ASTM B 708 tantalum disk with top quality best price
Tantalum features: high melting point , low vapor pressure , good cold processability ,excellent chemical stability , good resistance to corrosion , high dielectric constant ,in surface oxide film .widely used in many industries such aselectronics ,metallurgy, chemical processing , hard alloy cutters , aerospace and aviation.
Product name:Tantalum disk
Material:RO5200/RO5400/RO5252(Ta-2.5W), RO5255(Ta-10W)
Size:Dia(50~400mm)*Thk(6~20mm)
Purity: ≥99.95%(min) or Alloy
Table 1: technology parameter
Grade | 3N, 3N5, 4N, with Ta 99.99%min |
Recrystallization | 95%min |
Grain size | ASTM 4 or finer |
Surface finish | 16Rms max. or Ra 0.4 ( RMS64 or better) |
Flatness | 0.1mm or 0.15% max |
Tolerance | +/-0.010" on all dimensions |
Special requirements to be agreed on by the supplier and buyer of negotiation
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