ASME A112.18.6 pdf download Flexible water connectors 4.2.1 Copper alloy components shall contain at least 56% copper. 4.2.2 Stainless steel components in contact with water shall be made from 300 or 400 series stainless steel.Ferrous steel parts not in contact with water shall be protected by a coating that complies withClause 4.3. 4.3 CoatingsCoatings shall be tested in accordance with...