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              サイアロン製アルミ溶湯部品 サイアロン製アルミ溶湯部品

              サイアロン製
              アルミ溶湯部品

              概要

              サイアロンは、高溫構造材料として優れた特性を持ったファインセラミックスです。 當社では、その特性に著目し、アルミニウムの鋳造時に使用される各種の治工具を製作しています。

              Sialon Parts for Handling Molten Aluminum

              Thermocouple Protection Tube for Measurement of Aluminum Temperature

              Figure 1: Sialon protection tube-single pieces

              Sialon protection tube-single pieces
              Standard Size(mm)
              Outer Diameter Inner Diameter Length
              11.5 6.5 500
              15 9 800
              22 14 1,100
              28 16 1,100
              32 20 1,100
              34 20 1,900

              Stalk for Low-Pressure Casting Machines

              We offer a line-up of stalks and thermocouple protection tubes, as Sialon parts for lowpressure casting machines.
              Also, we are attempting to create a good seal against air leakage by making use of a composite metal and Sialon structure so as to maintain the required die load and prevent breakage.

              Sizes available
              Outer diameter (mm) : Max 234 dia.
              Length (mm) : Max 1,400

              Figure 2: Stalk

              Stalk

              Immersion Heater Tube for Holding Furnaces

              Especially useful for disposition of Na fluxes. Applicable to such heat sources as gas burners and electric heaters.

              Sizes available
              Outer diameter (mm) : Max 300 dia.
              Length (mm) : Max 1,600

              Figure 3: Heater tube

              Heater tube

              Degassing Rotor for Molten Aluminum

              Sizes available
              Outer diameter (mm) : Max 240 dia
              Length (mm) : Max 1,300

              Figure 4: Degassing Rotor

              Degassing Rotor

              Shot Sleeve for High-Pressure Diecasting Machines

              (1) Reduce Cold Flakes (“Cold Flakes”) :solidified aluminum defect pieces (scattered structure) formed in shot sleeve
              Superior heat-retention. “Possibility of no heating equipment“
              (2) Stable shots and longer life (Especially at High temperature ≧ 700℃ or 1290°F)
              Less deformation, High corrosion resistance, Erosion resistance and Wear resistance. “Possibility of no water cooling channel“
              (3) Energy saving
              Sialon’s superior heat-retention enables lower molten aluminum casting temperature.

              Sialon and Super Sialon

              Hitachi Metals’ Sialon and Super Sialon are ideal for jigs and tools that come into direct contact with molten aluminum on the aluminum melting and casting line.
              Hitachi Metals has developed this heat-resisting, highstrength ceramic material based on its long experience in processing metals, and has used it in molten aluminumhandling parts.

              Features of Sialon and Super Sialon Parts for Handling Molten Aluminum

              Characteristics of Sialon

              Materials Density
              (g/cm3)
              4 point Bending
              strength
              (MPa)
              Young's modules
              (GPa)
              Thermal shock
              resistance (ΔT°C)
              Coefficient of
              thermal expansion
              (×10-6/°C)
              [20~800°C]
              Thermal
              conductivity
              (W/m?k)
              Maximum allowable
              temperature
              (°C)
              Sialon 3.2 750~950 290 710 3.0 17 1,250
              Super Sialon 3.2 800~1050 300 750~1000 3.0 65 1,250

              Sialon and Super Sialon are used primarily for the production of parts that come into contact with molten aluminum.
              The characteristics of Sialon are given below in comparison with those of structural ceramics.

              The data in our report do not constitute any kind of warranty or guarantee.

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