The appearance of dark spots will seriously affect the quality of the casting
s with customized processing, so in order processing for castings, we pay special attention to take a lot of ways to prevent.
Is first of all with high quality recarburizer is bound to choose after high temperature graphitization treatment C atoms are flake graphite recarburizer.
Then the amount of manipulation by using recarburizer.
Finally reasonable manipulation of the melting speed and temperature, melting early power should be small, make the iron melt material is squishy time longer, because recarburizer is heated by liquid iron, rather than the electromagnetic induction caused it to overheat, carburant overheating a long time to arrive recarburizer itself must be temperature, graphite talents scattered melt, approximate Si was melted aluminum silicon alloy smelting process in the Al package fusion principle, late to prevent iron decarbonization increase should be agile silicon oxidation temperature operation.
Nanjing foundry co. , LTD. , the history of professional strength and modern management mode to achieve the excellent complementary and fusion, through constant innovation and development, now has luxuriant turned, coruscate gives new vitality, casting products with annual production heat resistant, wear resistant cast steel, carbon steel, low alloy steel casting, grey iron castings, ductile iron parts, stainless steel castings and all kinds of large and medium-sized castings 80000 tons of capacity, is the domestic market competitiveness of the cast steel, cast iron, stainless steel castings and profile production base.
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