Understanding Heat Exchanger Reading 03- Part 2 of 2 The ARAMCO Std.

8.2 Gaskets
8.2.1 Gaskets shall not contain asbestos.
8.2.2 Material for metal-jacketed, serrated-metal or solid-metal gaskets shall
have a corrosion resistance at least equal to that of the gasket contact
surface material.
8.2.3 Metal windings of spiral-wound gaskets shall be of austenitic stainless
steel unless otherwise specified or approved by the purchaser.
8.2.4 Serrated- or solid-metal gaskets, including welds, shall be softer than
the gasket contact surface.
8.2.5 Gasket material, including filler material, shall be selected to withstand
the maximum design temperature.
8.3 Tubes
8.3.1 Integrally finned tubes of copper alloy shall be furnished in the
annealed-temper condition, such as described in ASTM B 359/B 359M.
8.3.2 All welded tubes shall be eddy-current tested in the finished condition
over their full length.
Charlie Chong/ Fion Zhang