The results show that the steel bar coated with protection shell increases the ability of resistingcorrosion.
结果表明：钢筋表面涂布防护涂层有助于改善钢筋防腐蚀性能。
2
Metal corrosion under natural environment is called atmospheric corrosion, the steel with the characteristic of atmospheric corrosion resistance is named weather resistingsteel.
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。
3
Superhigh strength steel AF1410 is a type of new aviation steel, which is good for resisting stress corrosion and is not difficult to weld.