ASTM A249-84b welded 202 stainless steel tubeIn the circulation of the appearance of the product in the market and are usually stainless steel difficult to distinguish, at the same time, because it is not magnetic, coupled with the tricks of unscrupulous dealers take doping mix sold to consumers identified as causing a great deal of difficulty, after the use will have unforeseen consequences. This material was used in a small amount of nickel, but cannot play the role of nickel, is a waste of precious metal acts, caused some waste of resources.
