Standard Specification for Stainless Steel Bolts, Hex Cap Screws, and Studs
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 twelve austenitic, two ferritic, four martensitic, and one precipitation hardening.
AUnless 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.CSizes 0.75 in. and larger may be hot worked and solution annealed.DWhen approved by the purchaser, Alloys 303, 303Se, or XM1 may be furnished. EWhen approved by the purchaser, Alloy 430F may be furnished. FWhen 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 F 594. Unless otherwise specified, all nuts used on these fasteners shall conform to the requirements of Specification F 594, 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.
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