INTERN CEMS A-31 PART I PDF

This specification covers the Corporation's requirements for the material and properties of steel bolts and studs. Dimensional requirements and general specifications for standard bolts are covered in the Engineering Standard Parts (ESP) book, Section B. Nonstandard bolts and studs will be covered by engineering drawings which should refer to this specification for material and property requirements. For purposes of this specification, the term "bolts" also includes cap screws and SEMS (i.e., term used to describe screw and washer assemblies); the term "studs" also includes quenched and tempered U-bolts.

Restricted Chemical Substances

Effective January 1, 2007, all product supplied to the requirements of this specification must comply with the requirements of the CEMS B-50 specification.