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钢板预理线除锈前处理方法
Hachieve| Time2011/12/15 8:49:36
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钢板预理线除锈前处理方法

除锈前,钢材表面原始锈蚀状态对除锈后的表面外观质量评定具有一定影响。同时不同锈蚀程度钢材,欲达到同一除锈等级,所花费的清理费用也不同。因此,该标准根据钢材表面氧化皮覆盖程度和锈蚀状况将其分为四个等级,分别以A、B、C和D表示。
A  全面的覆盖着氧化皮而几乎没有铁锈的钢材表面;
B  已发生锈蚀,并且部分氧化皮已经剥落的钢材表面;
C  氧化皮已因锈蚀而剥落,或者可以刮除,并且有少量点蚀的钢材表面;
D  氧化皮已因锈蚀而全面剥离,而且已普遍发生点蚀的钢材表面。


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