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Melting process control of ductile iron

Temperature test of molten iron Ya1-w330 portable melting thermometer is used to measure the molten iron temperature in the process of electric furnace melting, and strictly control the temperature of molten iron out of furnace, spheroidizing temperature and pouring temperature. During the test, zero the thermometer first, and then...

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Spheroidization and inoculation of ductile iron

The spheroidizing treatment was carried out by the method of in package charging. The spheroidizing temperature is 1450 ~ 1500 ℃, the particle size of spheroidizing agent is 5 ~ 10 mm, and the dosage is 1.3%. The inoculation process is in package inoculation + with current inoculation. The...

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Floating graphite on top of Heavy Section Ductile Iron

In order to study the effect of composition on the morphology of thick and large section graphite, bulk sampling was carried out on the stepped test block. The floating graphite on the top of the section and the abnormal graphite distortion distribution in the center of the block were...

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