Chelation therapy supposedly removes mercury from the body, which chelation supporters say cures autism â but there's no evidence of a link between mercury exposure and autism.In addition, chelation therapy can be associated with serious side effects, including potentially deadly liver and kidney damage.helation therapy supposedly removes mercury from the body, which chelation supporters say cures autism â but there's no evidence of a link between mercury exposure and autism.
Because carbon steels are not very highly alloyed, it is not surprising that most grades do not exhibit large differences in atmospheric-corrosion rate. Nevertheless, alloying can make changes in the atmospheric-corrosion rate of carbon steel.
3CR12 was designed as a corrosion resisting steel and, as such, will exhibit staining when exposed to aggressive atmospheric conditions. In applications where aesthetic appearance is important, it is recommended that 3CR12 is painted, or a higher grade should be used.ustenitic stainless steel filler metals such as AWS ER 309L, 308L, or 316L should be used. In order to ensure adequate corrosion resistance in weld zones, it is necessary to remove all heat tint by pickling or by some mechanical means and passivating with a cold 10% nitric acid solution after cleaning.