High-manganese steel smelting process and high-manganese steel casting
A high-manganese steel and process technology, applied in the field of high-manganese steel castings, can solve problems such as slag inclusions and cracks, high decomposition temperature, and inability to meet high-quality requirements for the use of aviation parts, and achieve the effect of less burning loss
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[0014] Use intermediate frequency induction furnace to melt high manganese steel alloy. The main raw materials are: carbon steel GB699, specification φ80mm×250mm; ferromanganese GB3795 FeMn84C0.4, block size ≤5×10×30; Slag agent, the main component is magnesium carbonate.
[0015] When installing the furnace, a layer of covering agent is placed in the bottom of the furnace, and the ferromanganese (including burning loss) and carbon (including burning loss) required for calculation are added into the furnace in the form of crushed electrodes. Sprinkle a layer of covering agent on the electrode, then vertically squeeze the carbon steel rod and the returned material into the ferromanganese and crushed electrodes, and then melt with high power transmission, and the molten metal is always protected by the covering agent during the whole melting process Under this condition, it is not allowed to easily damage the liquid surface. After all the raw materials in the furnace are cleared...
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