: It focuses on identifying known hazards to personnel working on or adjacent to the machinery, such as crushing, high heat, and high-pressure injection. American National Standards Institute - ANSI 2. Key Revisions and Modernization The latest editions, such as ANSI/PLASTICS B151.1-2017
The standard dictates strict percentages of Copper, Nickel, Zinc, and trace elements (Lead, Iron, Manganese). For example, a Nickel Silver alloy (C97400) must contain a specific range of nickel (15-17%) to qualify as meeting the standard. asme b151 pdf