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。

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The results show that the steel has superior weldability, low cold-cracking sensitivity and good weather corrosion resistance.

试验结果表明，该钢具有优异的焊接性能、较低的焊接冷裂纹敏感性和良好的耐大气腐蚀性能。

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The test bridge made of a new type of weather resistant steel of NH35Q steel has a strong resistance to atmospheric corrosion.

使用NH35Q耐候钢新钢种制作的试验桥，耐大气腐蚀能力强。

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