High Melting Point Precision Polished Customized Tungsten Crucibles Part by Drawing
Baoji Refractory Metal Developer Co.,Ltd is one of the leading China tungsten crucible manufacturers and suppliers, and as a professional company we have productive factory, welcome to wholesale tungsten crucible products from us. ☆Chemical Composition: Tungsten contentThe sum of other elementsContent of each element≥99.95%≤0.05%≤0.01% ☆Properties of the products: —High melting point—3410℃ —High boiling Point—5927℃ —High-density —19.3 g/cm3 —Internal stable structure —Outstanding thermal conductivity —Excellent resistance to electrochemical corrosion —Excellent resistance to oxidation at high temperatures☆Range of use： Tungsten crucible is widely applied in high temperature vacuum furnace melting environment such as sapphire growing furnace,quartz glass melting furnace,and rare earth melting furnace.The working temperature of tungsten crucible is above 2000℃. For sapphire crystal growing furnace,high-purity,high-density,no crack tungsten crucible with other features of exact measurement and smooth surface has decisive influence on the success of crystal growth,quality control of pulling crystal,discharging and service life during sapphire growing process.☆Specification：Delivery conditionSpecificationToleranceThickness(mm)Roughness(μm)Diameter(mm)Height(mm)Diameter(mm)Height(mm)Sintering10~50010~750±3.0±3.08~20Final Finished10~45010~550±0.5±1.07~18＜3.2Note:Special sizes can be manufactured based on customers' requirements ☆Manufacturing process and equipment： ItemProcessEquipmentQuality Check1Powder purifiedPurified furnaceGDMS2Isostatic pressingIsostatic pressing machineMeasurement of rough-processed3IF forgingHigh-accuracy forging machineDimension measurements for product4IF sinteringHigh temperature vacuumsintering furnaceDimension measurements for product5Final machiningHigh-accuracy turning machineSurface quality/ roughness and density6PackageQuality Test Report ☆Advantage of Tungsten crucibles:—Specially precise forming technology for tungsten crucible body—Uniform grain with densified microstructure ensures longer life time—Ready for use parts with precise machining tolerance1Established in 1994, Refractory Metal Developer is one of the largest professional manufacturers and suppliers of high melting point precision polished customized tungsten crucibles part by drawing. Leveraging on advanced technology and equipment, our company has successfully exported our products to various buyers from different regions. Now, we warmly welcome you to buy our factory supply refractory metals.
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