ASTM A449-10 - 1.10.2010
 
1. Scope

1.1 This specification covers quenched and tempered steel hex cap screws, bolts, and studs having a minimum tensile strength of 120 ksi for diameters 1.0 in. and smaller; 105 ksi for diameters over 1.0 in. to 1½ in.; and 90 ksi for diameters 1¾ in. to 3.0 in. inclusive. The term "fasteners" in this specification denotes hex cap screws, bolts, and studs.

1.2 The fasteners are intended for general engineering use.

 
2. Referenced Documents

A751-25

Standard Test Methods and Practices for Chemical Analysis of Steel Products

B695-21

Standard Specification for Coatings of Zinc Mechanically Deposited on Iron and Steel

F436-11

Standard Specification for Hardened Steel Washers

A563-15

Standard Specification for Carbon and Alloy Steel Nuts

F788/F788M-20(2025)

Standard Specification for Surface Discontinuities of Bolts, Screws, Studs, and Rivets, Inch and Metric Series

G101-04(2025)

Standard Guide for Estimating the Atmospheric Corrosion Resistance of Low-Alloy Steels

F2329-13

Standard Specification for Zinc Coating, Hot-Dip, Requirements for Application to Carbon and Alloy Steel Bolts, Screws, Washers, Nuts, and Special Threaded Fasteners

F606-14

Standard Test Methods for Determining the Mechanical Properties of Externally and Internally Threaded Fasteners, Washers, Direct Tension Indicators, and Rivets

F1470-24

Standard Practice for Fastener Sampling for Specified Mechanical Properties and Performance Inspection

F1789-26

Standard Terminology for F16 Mechanical Fasteners