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什么是4340镍铬钼钢
4340 VAR AMS 6414是一种低合金铬 - 氯酸酯 - 溶血钢,能够被热处理高强度水平。该规范适用于高优质飞机质量,低合金钢的形式,其形式是钢筋,字子,机械油管和锻造库存。服务钢航空航天库存高级飞机质量在电炉中产生双重融化,然后是VAR或真空弧remelt(也 ...
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