Industrial equipment and components, other than those specified in 2B350.d, as follows: N.B. SEE ALSO II.A2.015 Heat exchangers or condensers with a heat transfer surface area greater than 0,05 m 2 , and less than 30 m 2 ; and tubes, plates, coils or blocks (cores) designed for such heat exchangers or condensers, where all surfaces that come in direct contact with the fluid(s) are made from the following materials: 1. Stainless steel. Note 1: for stainless steel with more than 25 % nickel and 20 % chromium by weight see entry II.A2.015a Note 2: This item does not cover vehicle radiators. Technical Note: The materials used for gaskets and seals and other implementation of sealing functions do not determine the status of control of the heat exchanger.