请注意:本出版物的格式为活页本。如果您想在订单中添加活页夹，请参阅本页。第二节-a部分是BPVC其他章节的“服务部分”，提供了适用于压力设备领域安全的铁质材料的材料规范。这些规范包含化学和机械性能、热处理、制造、热和产品分析以及测试方法的要求。它们由SA编号指定，与ASTM和其他公认的国家或国际组织发布的规范相同或相似。仔细应用本节将有助于用户遵守其管辖范围内的适用法规，同时从许多行业最佳产品中获得运营、成本和安全效益- 这些卷中详细介绍的实践。

Please note: the format of this publication is loose-leaf. Pleasevisit this pageif you would like to add a binder to your order.Section II - Part A is a “Service Section” to the other BPVC Sections, providing material specifications for ferrous materials adequate for safety in the field of pressure equipment. These specifications contain requirements for chemical and mechanical properties, heat treatment, manufacture, heat and product analyses, and methods of testing. They are designated by SA numbers and are identical with or similar to those of specifications published by ASTM and other recognized national or international organizations.Careful application of this Section will help users to comply with applicable regulations within their jurisdictions, while achieving the operational, cost and safety benefits to be gained from the many industry best-practices detailed within these volumes.