This standard recommended practice provides technical and quality assurance guidelines for handling and installing nickel-based alloy, stainless steel, and titanium linings in air pollution control equipment (e.g., FGD systems, ducts, and stacks). The concepts and guidance included in this standard may also be useful in other process industries but may require modification to meet the requirements of a particular process. This standard is intended to be a basis for preparation of a specification to be agreed on by contracting parties for the installation of wallpaper lining in process equipment. It is the responsibility of users of this standard to determine the suitability of specific procedures, metals, and alloys for particular applications. This standard was originally prepared in 1992 by Task Group T-5F-5 of NACE Unit Committee T-5F on Corrosion Problems Associated with Pollution Control and revised in 1998. It is issued under the auspices of Group Committee T-5 on Corrosion Problems in the Process Industries.

1.1 This standard provides technical and quality assurance guidelines for handling and installing nickel-based alloy, stainless steel, and titanium linings in air pollution control equipment such as FGD systems, ducts, and stacks. 1.2 The techniques recommended in this standard are also applicable to installation of thin, high-performance metallic linings in a wide variety of other process equipment. However, titanium welding procedures contained herein are only applicable to seal welds in air pollution control equipment.

1.3 It is the responsibility of users of this standard to determine the suitability of construction materials specified for particular applications.

1.4 This standard is applicable to wallpapering materials of 1.6- to 3.20-mm (0.063- to 0.125-in.) thickness applied as linings over new or existing metallic structures. General, commercial, and safety conditions, etc., are beyond the scope of this standard. It is assumed that users will develop these requirements in accordance with their individual needs…

 Historical Document