![]() Option A tests should be made whenever feasible.Ĭ Special fasteners are those fasteners with special configurations including drilled heads, reduced body, etc., that are weaker than the threaded section. Option A, Option B and Option C indicates manufacturer may perform all Option A (full-size), all Option B (machined specimen), or all Option C tests whichever is preferred. Hex head, square head and hex socket cap screwsĪ Where options are given, all the tests under an option shall be performed. SH - Machined from strain hardened stock or cold worked to develop the specific properties.Ĭ The yield and tensile strength values for full size products shall be computed by dividing the yield and maximum tensile load value by the stress area for the product size and thread sizes determined in accordance with Test Methods F606.ĭ Yield strength is the stress at which an offset of 0.2 & gauge length occurs.ĪSTM F593 Mechanical Test Requirements for Bolts and Studs A Item ASTM F593 Chemical Composition Composition, %, maximum except as shownĪ At manufacturer's options, determined only when intentionally added.ĪSTM F593 Mechanical Properties Stainless Steel Alloysġ (303, 304, 304L, 305, 384, XM1, 18-9LW, 302HQ, 303Se)Ī Minimum values except where shown as maximum or as a range.ĪH - Solution annealed and age hardened after forming ![]() SH - Machined from strain hardened stock or cold worked to develop the specific properties. HT - Hardened and tempered at 525☏ (274☌) minimum. ![]() H - Hardened and tempered at 1050☏ (565☌) minimum. Sizes 0.75inch and larger may be hot worked and solution annealed. ASTM F593 Alloy Categories GroupĪ 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 manufacturerĬ Sizes 0.75 inch and larger may be hot worked and solutoon annealed.ĭ When approved by the purchaser, alloys 303, 303Se, or XM1 may be furnished.Į When approved by the purchaser, alloy 430F may be furnished.į When approved by the purchaser, alloys 416 or 416Se may be furnished.ĪSTM F593 Bolts Supply Conditions Alloy GroupĬondition Furnished Unless Otherwise SpecifiedĪ - Machined from annealed or solution annealed stock thus retaining the properties of the original material or hot formed and solution annealed.ĪF - Headed and rolled from annealed stock and then reannealedĪH - Solution annealed and age hardened after forming.ĬW - Headed and rolled from annealed stock thus acquiring a degree of cold work. BoltPort manufactures all alloys under ASTM F593 in form of Hex Bolts, Stud Bolts, Threaded Rods, Socket Head Cap Screws duly tested and supply with EN 10204 Type 3.1 Certification. ASTM F593 covers seven groups of stsinles steel alloys, including twelve austenitic, two ferritic, four martensitic and one precitipitain hardening. This specification covers the requirements for stainless steel bolts, hex cap screws, and stud bolts in imperial size 0.25 inch to 1.50 inch, inclusive for number of alloys in common use and intended for service applications requiring general corrosion resistance. ASTM F593 - Standard Specification for Stainless Steel Bolts, Hex Cap Screws, and Stud Bolts.
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