Rincian Produk
Tempat asal: Shanghai, Tiongkok
Nama merek: TANKII
Sertifikasi: ISO9001
Nomor model: Kovar
Ketentuan Pembayaran & Pengiriman
Kuantitas min Order: 5kg
Harga: dapat dinegosiasikan
Kemasan rincian: Karton + Wooned Case
Waktu pengiriman: 7-20 hari
Syarat-syarat pembayaran: L/C, T/T, Western Union
Menyediakan kemampuan: 10 ton per bulan
Bahan: |
Tabung Paduan Kobalt Besi Nikel |
OD: |
Minimal 0,3 mm. |
WT: |
menit 0,01 mm. |
Panjang: |
Minimal 0,3 mm. |
Permukaan: |
Permukaan terang |
Mencicipi: |
menerima pesanan kecil |
Bahan: |
Tabung Paduan Kobalt Besi Nikel |
OD: |
Minimal 0,3 mm. |
WT: |
menit 0,01 mm. |
Panjang: |
Minimal 0,3 mm. |
Permukaan: |
Permukaan terang |
Mencicipi: |
menerima pesanan kecil |
Kovar is a nominal 29%Ni-17%Co-54%Fe alloy that is a well-known glass-sealing alloy suitable for sealing to hard glasses. Kovar has a nominal expansion coefficient of approximately 5 ppm/°C and inflection temperature of ~450 °C (840 °F).
Kovar (ASTM F15) has been used for making hermetic seals with the harder Pyrex glasses and ceramic materials. This alloy has found wide application in power tubes, microwave tubes, transistors, and diodes. In integrated circuits, it has been used for the flat pack and the dual-in-line package.
Chemical Composition in % Kovar
Ni 28,5-29,5% |
Fe 51,14-54,5% |
C 0.03% |
Si 0.3% |
Mn 0,4 % |
S o 0.015% |
P 0.015% |
Co 17-18% |
Ti 0.1% |
Al 0.2% |
Cu 0.2% |
Cr 0,1 % |