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英国Auto Alloys Foundries Ltd已开发出一种新型耐磨合金钢,这种合金钢用于铸造,可以具有非常好的冲击和抗拉性能,通用于采掘、建筑和水泥工业,用于动力工业和离岸石油开采也有很多好处。这种新合金取名为AA 237,热处理时可以避免通常出现的困难,例如:水淬和回火钢件时出现的淬裂,扭曲和起皮。由于用AA 237制成的铸件只需进行一次亚相变处理(Subcritical treatment),便可完全避免上述问题。如果铸件机械性能的技术条件不太严格,这种新合金的铸件可以不必进行热处理即供使
United Kingdom Auto Alloys Foundries Ltd has developed a new type of wear-resistant alloy steel for casting that has very good impact and tensile properties, common in the mining, construction and cement industries for the power industry and Shore oil extraction also has many benefits. Called AA 237, this new alloy avoids the usual problems of heat treatment, such as quench cracking, twisting and peeling during water quenching and tempering of steel. Since castings made with AA 237 require only a Subcritical treatment, the above problems can be completely avoided. If the casting mechanical properties of the technical conditions are less stringent, the new alloy castings can be used for heat treatment is not available