ASTM F593 - 13a

    Standard Specification for Stainless Steel Bolts, Hex Cap Screws, and Studs

    Active Standard ASTM F593 | Developed by Subcommittee: F16.04

    Book of Standards Volume: 01.08


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    Significance and Use

    13.1 For the purposes of determining compliance with the specified limits for properties listed in this specification, an observed value or calculated value shall be rounded in accordance with Practice E29.

    1. Scope

    1.1 This specification covers the requirements for stainless steel bolts, hex cap screws, and studs 0.25 to 1.50 in., inclusive, in nominal diameter in a number of alloys in common use and intended for service applications requiring general corrosion resistance.

    1.2 Seven groups of stainless steel alloys are covered, including thirteen austenitic, two ferritic, four martensitic, and one precipitation hardening.

    Group

    AlloysA

    ConditionB

    1

     304, 305, 384, 304 L,

       (CW) cold workedC

       18-9LW, 302HQD

    2

      316, 316 L

       (CW) cold workedC

    3

      321, 347

       (CW) cold workedC

    4

      430E

       (CW) cold workedC

    5

      410F

       (H) hardened and tempered

    6

      431

       (H) hardened and tempered

    7

      630

       (AH) age hardened

    A Unless otherwise specified on the inquiry and order, the choice of an alloy from within a group shall be at the discretion of the fastener manufacturer (see 6.1).
    B See 4.2 for options.
    C Sizes 0.75 in. and larger may be hot worked and solution annealed, provided the bolts comply with the cold worked (CW) mechanical property requirements.
    D When approved by the purchaser, Alloys 303, 303Se, or XM1 may be furnished.
    E When approved by the purchaser, Alloy 430F may be furnished.
    F When approved by the purchaser, Alloys 416 or 416Se may be furnished.

    1.3 Supplementary requirements of an optional nature are provided, applicable only when agreed upon between the manufacturer and the purchaser at the time of the inquiry and order.

    1.4 Suitable nuts for use with bolts, hex cap screws, and studs included in this specification are covered by Specification F594. Unless otherwise specified, all nuts used on these fasteners shall conform to the requirements of Specification F594, shall be of the same alloy group, and shall have a specified minimum proof stress equal to or greater than the specified minimum full-size tensile strength of the externally threaded fastener.

    1.5 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

    1.6 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.


    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    ASME Standards

    B1.1 Unified Inch Screw Threads

    B18.2.1 Square and Hex Bolts and Screws, Including Hex Cap Screws

    ASTM Standards

    A262 Practices for Detecting Susceptibility to Intergranular Attack in Austenitic Stainless Steels

    A276 Specification for Stainless Steel Bars and Shapes

    A342/A342M Test Methods for Permeability of Feebly Magnetic Materials

    A380 Practice for Cleaning, Descaling, and Passivation of Stainless Steel Parts, Equipment, and Systems

    A484/A484M Specification for General Requirements for Stainless Steel Bars, Billets, and Forgings

    A493 Specification for Stainless Steel Wire and Wire Rods for Cold Heading and Cold Forging

    A555/A555M Specification for General Requirements for Stainless Steel Wire and Wire Rods

    A564/A564M Specification for Hot-Rolled and Cold-Finished Age-Hardening Stainless Steel Bars and Shapes

    A582/A582M Specification for Free-Machining Stainless Steel Bars

    A751 Test Methods, Practices, and Terminology for Chemical Analysis of Steel Products

    A967 Specification for Chemical Passivation Treatments for Stainless Steel Parts

    D3951 Practice for Commercial Packaging

    E29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications

    F594 Specification for Stainless Steel Nuts

    F606 Test Methods for Determining the Mechanical Properties of Externally and Internally Threaded Fasteners, Washers, Direct Tension Indicators, and Rivets

    F1470 Practice for Fastener Sampling for Specified Mechanical Properties and Performance Inspection


    ICS Code

    ICS Number Code 21.060.10 (Bolts, screws, studs)

    UNSPSC Code

    UNSPSC Code


    DOI: 10.1520/F0593

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