ASTM F593 PDF
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. ASTM F specifications covers chemical and mechanical requirements for stainless steel bolts, hex cap screws and studs ranging from 1/4 to /2.
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The mechanical properties for these two alloy groups are listed below.
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. A Where options are given, wstm the tests under an option shall be performed.
C The yield and tensile strength values asstm full size awtm 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 A Tensile stress areas are computed using the following formula: Leave this field empty. Headed fasteners in this specification require a heavy hex pattern head unless otherwise specified.
A Minimum values except where shown as maximum or as a range.
Hex head, square head and hex socket cap screws. Give Portland Bolt a call — our experts are standing by to assist you with all of your stainless steel fastener needs. SH – Machined from strain hardened stock or cold worked to develop the specific properties. ASTM F covers seven groups of stsinles steel alloys, including twelve austenitic, two ferritic, four martensitic and one precitipitain hardening.
AF – Headed and rolled from annealed stock and then reannealed AH – Solution annealed and age hardened after forming. E When approved by the purchaser, alloy F may be furnished.
CW – Headed and rolled from annealed stock thus acquiring a degree of cold work.
ASTM F593 Specification
Your email address will not be published. The headed bolts in the F specification require a standard hex head pattern as opposed to heavy hex unless otherwise specified. The F specification is more of a general purpose stainless steel specification used in all different applications.
The A specification is designed for use in high-temperature, high-pressure applications whereas F is used awtm more of a generic, all-purpose use fastener.
Leave a Reply Cancel reply Your email address will not be published. There are many differences between these two specifications. B legend of conditions: D Asym strength is the stress at which an offset of 0. Do you have a job that requires A or F stainless steel fasteners?
ASTM A vs ASTM F – Portland Bolt
B Tests that are not mandatory C Special asstm are those fasteners with special configurations including drilled heads, reduced body, etc. There are also additional testing requirements for F which are not required under the A specification. There are varying mechanical properties between the two specifications along with configuration differences for headed bolts and varying thread pitch requirements.
A – Machined from annealed or solution annealed stock thus retaining the properties of the original material; or hot formed and solution annealed.
ASTM A193 vs ASTM F593
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.
In order to understand these dissimilarities there are overviews of each specification below followed by a short summary of these variances. This specification covers the requirements for stainless steel bolts, hex cap screws, and stud bolts in imperial size 0. If a scale-free bright finish is required, this must be specified in the purchase order.
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.
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.
Hot-forged headed stainless steel bolts under the A specification require solution annealing after forging to restore full corrosion-resistant properties. D When approved by the purchaser, alloysSe, or XM1 may be furnished. There are multiple differences between these two specifications.