Product Details

W1 99.95% tungsten parts for melting
1 Purity W≥99.95%

2 Density≥18.2g/cm³

production Process

Item	Process	Equipment	Quality Check
1	Powder purified	Purified furnace	GDMS
2	Isostatic pressing	Isostatic pressing machine	Measurement of rough-processed
3	IF forging	High-accuracy forging machine	Dimension measurements for product
4	IF sintering	High temperature vacuum sintering furnace	Dimension measurements for product
5	Final machining	High-accuracy turning machine	Surface quality/ roughness and density
6	Package		Quality Test Report

Application:

Since the melting point of tungsten has reached 3410°C, tungsten crucible is widely applied in industry furnace such as sapphire growth furnace, quartz glass melting furnace, and reare earth smelting furnace. The temperature in working environment of tungsten crucible is above 2000°C. For sapphire crystal growth furnace, high-purity, high-density, no internal-crack tungsten crucible with other features of exact measurement and smooth inner surface has decisive influence on success ratio of seed growth, quality control of pulling crystal, metamictization pot-committed and service life during sapphire growth process.