ASME SECTION II A-2 SA-985-SA-985M-2007 标准规范下载.pdf

2007 SECTION II, PART A SA-985/SA-985M SPECIFICATION FOR STEEL INVESTMENT CASTINGS GENERAL REQUIREMENTS, FOR PRESSURE- CONTAINING PARTS SA-985/SA-985M (Identical with ASTM Specification A 985/A 985M-03.) 1. Scope from the two systems may result in nonconformance with 1.1 This specification covers a group of common this specification. Inch-pound units are applicable for mate- requirements, which are mandatory for steel castings pro- rial ordered to Specification A 985 and SI units for material duced by the investment casting process for pressure-con- ordered to Specification A 985M. taining parts under each of the following ASTM 1.5 This standard does not purport to address all of Specifications: ASTM the safety concerns, if any, associated with its use. It is Title of Specification Designation the responsibility of the user of this standard to establish appropriate safety and health practices and determine the Steel Castings, Carbon, Suitable for Fusion