Abstract
Three steels, namely: AISI 1080, AISI 4340 and stainless 17-7 PH are exposed to various environments. These include industrially polluted sea water, natural sea water, drinking tap water, dry/wet industrial sea site, industrial and laboratory atmospheres. After exposure, of up to 6 months, specimens are tested for tensile impact and hardness properties. Losses in ultimate tensile strength due to short term exposure to corrosive environments are observed. Decrease in elongation at rupture is found to be a good measure for detecting short term corrosion of these three steels. Impact strength is found to be significantly reduced. Rockwell hardness numbers of these steels experience slight decreases compared to the as-received conditions.
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