不锈钢电缆桥架的耐蚀性是有条件的，一个牌号的不锈钢在某一种介质中是耐腐蚀的，但在另一种介质中可能遭到破坏。同时，不锈钢的耐蚀性也是相对的，到目前为止，还没有一种不锈钢在所有环境中都是绝对不腐蚀的。
The corrosion resistance of stainless steel cable tray is conditional, a brand of stainless steel in a particular medium is corrosion resistant, but in another medium may be damaged. At the same time, the corrosion resistance of stainless steel is relative, so far, is not a kind of stainless steel in all environments are definitely not corrosion.
Shandong cable tray
不锈钢的应用环境是极其复杂的，单纯的氧化铬钝化膜还不能适应高耐蚀性的要求。因而根据使用条件的不同还需要在钢中加入钼、铜、氮等合金元素，以改善钝化膜的组成，进一步提高不锈钢的耐蚀性。
Stainless steel application environment is extremely complex, the simple oxidation of chromium passivation membrane can't adapt to the requirement of high corrosion resistance. So according to the different using conditions also need to add molybdenum in steel, copper, nitrogen and other alloying elements, in order to improve the composition of passive film, further improve the corrosion resistance of stainless steel.
添加钼，由于腐蚀的产品M。02靠近基体而强烈促进基体的钝化，阻止了’对基体的霉蚀；山东电缆桥架添加铜使不锈钢表面钝化膜中含有了CuCl，因它与腐蚀介质不发生作用而提高了耐蚀性；添加氮，由于钝化膜中富集了Cr2N，使钝化膜中铬浓度提高，因而提高了不锈钢的耐蚀性。
M add molybdenum, as a result of corrosion products. 02 near the substrate and strongly promote the passivation of matrix, and prevents the 'mildew corrosion of substrate; Shandong add copper cable bridge make stainless steel surface passivation membrane containing the CuCl, due to it not interact with corrosive medium can improve the corrosion resistance; Adding nitrogen, due to the enrichment of passivation film of Cr2N, the passivation film of chromium concentration increased, thus improves the corrosion resistance of stainless steel.