Bolts and Screws, Steel, Corrosion Resistant, UNS S17400 Tensile Strength 140 ksi Procurement Specification
AS7474C
This specification covers bolts and screws made from a corrosion and heat resistant, martensitic iron base alloy of the type identified under the Unified Numbering System as UNS S17400. The following specification designations and their properties are covered:
Rationale:
To revise paragraph 3.6 by adding “two to” three threads in agreement with NASM1312 test methodology and general updating of specifications and SAE formatting requirements also tables 1 to 7 have been redrawn.
