ASTM F593 PDF

25 Sep What are the differences between F and A stainless steel F bolts require ASTM F hex nuts in the matching stainless steel type. or visit us at ASTM F Scope – This specification covers the chemical and mechanical requirements for stainless steel. Stainless – vs F Stainless – vs If the purchaser makes any reference to ASTM fasteners marked “” or. “” are not ASTM F Defined.

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The headed bolts in the F specification require a standard hex head pattern as opposed to heavy hex unless otherwise zstm.

Your email address will not be published. In order to understand these dissimilarities there f5993 overviews of each specification below followed by a short summary of these variances. Hex head, square head and hex socket cap screws. D When approved by the purchaser, alloysSe, or XM1 may be furnished.

A Tensile stress areas are computed using the following formula: This test adds to both the cost and lead time to produce this grade of stainless headed bolt. A Minimum values except where shown as maximum or as a range. Leave this field empty. There are varying mechanical properties between the two specifications along with configuration asrm for headed bolts and varying thread pitch requirements.

D Yield strength is the stress at which an offset of 0.

ASTM F593 Specification

AF – Headed and rolled from annealed stock and then reannealed AH – Solution annealed and age hardened after forming. ASTM F covers seven groups of stsinles steel alloys, including twelve austenitic, two ferritic, four martensitic and one precitipitain hardening.

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B Tests that are not mandatory C Special fasteners are those fasteners with special configurations including drilled heads, reduced body, etc. Hot-forged headed stainless steel bolts under the F specification are manufactured to either Condition A or Condition CW which both require solution annealing after forging to restore full corrosion-resistant properties. This specification covers the requirements for stainless steel bolts, hex cap screws, and stud bolts in imperial size 0.

The mechanical properties for these two alloy groups are listed below. If a scale-free bright finish is required, this must be specified in the purchase order. CW – Headed and rolled from annealed stock thus acquiring a degree of cold work.

The fasteners under the ASTM A specification are designed to be used in high temperature or high pressure service, often in flanges and piping systems. F When approved by the purchaser, alloys or Se may be furnished. AF – Headed and rolled from annealed stock and then reannealed AH – Solution annealed and age hardened after forming CW – Headed and rolled from annealed stock thus acquiring a degree of cold work.

SH – Machined from strain hardened stock or cold worked to develop the specific properties. Special fasteners have full size heads shall be tested as asmt for stud bolts and other bolts.

ASTM F Specification | Bolts Fasteners

C The yield and tensile strength f5993 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 F What are the differences between F and A stainless steel headed bolts? Headed fasteners in this specification require a asfm hex pattern head unless otherwise specified.

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The A specification is designed for use in high-temperature, high-pressure applications whereas F is used as more of a generic, all-purpose use fastener. Do you have a job that requires A or F stainless steel fasteners? There are also additional testing requirements for F which are not required under the A specification.

Free Technical Information

Give Portland Bolt a call — our experts are standing by to assist you with all of your stainless steel fastener needs. 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 B See section 4.

Option A tests should be made whenever feasible. A Where options are given, all the tests under an option shall be performed. B legend of conditions: One primary difference between A and F hot-forged bolts is that F requires an additional test for susceptibility to intergranular corrosion, which the A specification does not.

There are many differences between these two specifications.

There are multiple differences between these two specifications. Leave a Reply Cancel reply Your email address will not be published. The F specification is more of a general purpose stainless steel specification used in all different applications. A – Machined from annealed or solution annealed stock thus retaining the properties of the original material; or hot formed and solution annealed.

E When approved by the purchaser, alloy F may be furnished. Hot-forged headed stainless steel bolts under the A specification require solution annealing after forging to restore full corrosion-resistant properties.