Stainless steel precision cast
ing processing temperature to ensure the melt in the conversion process good liquidity, choose stainless steel precision casting temperature according to the distance of conversion, the conversion process of cooling condition, alloy, specifications, flow and some other factors to determine, stainless precision casting processing temperature is higher than alloy liquidus temperature 50 to 110 ℃.
Stainless steel precision casting processing round ingot crack tendency is low, is to ensure that the alloy has good capability of exhaust feeding, create order crystallization conditions, improve the density, general casting temperature on the high side.
More than 350 mm in diameter ingot casting temperature is 730 ~ 750 ℃, for small diameter ingot casting, because of its transitional zone size is small, good mechanics performance, general is created to meet the liquidity and not light, average temperature is 715 ~ 740 ℃.
Stainless steel precision casting flat ingot hot cracking tendency is high, the corresponding lower, stainless steel precision casting temperature is 680 ~ 735 ℃.
In the manufacturing process of stainless steel precision casting temperature to reasonable choice, not more than temperature, will bring some unnecessary problems for casting parts.
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