Metal corrosion under natural environment is called atmospheric corrosion, the steel with the characteristic of atmospheric corrosion resistance is named weather resisting steel.
金属在自然环境条件下的腐蚀称为大气腐蚀，因而对能在大气自然环境条件下耐腐蚀的钢称为耐大气腐蚀钢。
The present invention relates to new-type expansion joint with corrugate pipe consisting of corrosion-resisting lining and clad metal.
本发明涉及一种新型膨胀节，其波纹由耐蚀衬里材料和外包金属材料组成。
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