タイトルまたは説明

Baoji TianRui non-ferrous materials Co., LTD is located in BaoJi hi-tech industry development area. The company is a manufacture and trading enterprise, which is based on refractory metal, nonferrous metals, rare metal, precision alloy and graphite products. Kovar rod/ sheet/ plate/ wire Generalproperties: Symbol: Ni, Co, Fe alloy Weight percent: *9% Ni, *7% Co, *3% Fe, 1% trace Density: 8.2 g/cm3 Melting point: ***2 oF (***0 oC) Thermal conductivity: *6.8 W/mk Electrical resistivity: 0.*9 micro ohm Expansion coefficient: 5 ppm/ oC Material overview: Characteristics: Kovar has a wide usage in the electronics industry, such as metal parts bonded to hard glass envelopes. These parts are used for such devices as power tubes and X-ray tubes, etc. In the semiconductor industry kovar is used in hermetically sealed packages for both integrated and discrete. Kovar is provided in a variety of forms to facilitate efficient manufacturing of various metal parts. It has thermal expansion characteristics matching those of hard glass. Used for matched expansion joints between metals and glass or ceramics. Detailed specifications: Strip: thickness 0.*5mm*3.0mm, width≤**0mm Rod: round ɸ5.5mm***0mm, square *0mm***0mm״ Wire: ɸ0.1mm**8mm Plate: Round tube Rectangle tube We could make products as the requirement of customers.