本标准提供了在空气污染控制设备（如烟气脱硫系统、管道和烟囱）中处理和安装镍基合金、不锈钢和钛衬里的规范编写指南。它包括有关材料、设计、交付、储存和处理的信息，以及基板制备和安装的信息，以及有关焊接、焊工资质、检查和维修的详细信息。本标准适用于在空气污染控制和其他易受腐蚀条件影响的工艺设备中指定和安装薄金属衬里（镍合金、不锈钢和钛）的人员。

This standard provides guidelines that assist in specification writing for handling and installing nickel-based alloy, stainless steel, and titanium linings in air pollution control equipment (e.g., flue gas desulfurization [FGD] systems, ducts, and stacks). It Includes information on materials, design, delivery, storage, and handling, as well as substrate preparation and installation, and detailed information on welding, welder performance qualifications, inspection, and repair.This standard is intended for use by those specifying and installing thin metallic linings (nickel alloy, stainless steel, and titanium) in air pollution control and other process equipment subject to corrosive conditions.