ASTM F1136 PDF

This standard is issued under the fixed designation F ; the 1 This specification is under the jurisdiction of ASTM Committee F16 on. ASTM: F – Standard Specification for Chromium/Zinc Corrosion Protective Coatings for Fasteners. 1. Scope This specification covers the basic. ASTM F/FM Standard Specification for Zinc/Aluminum Corrosion Protective Coatings for Fasteners. standard by ASTM.

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I am using A grade BC and need a smooth finish with minimal irregularities. Depending on the amount of corrosive forces at work in the application, F136 may be sufficient, but it may not.

Is the coating that fragile? Since we are using A bolts in our structure, we have to propose a replacement. A coatings engineer may choose to allow an exception in some cases, but ASTM will not officially sanction any f1163 that are not approved by the F16 committee. Serge- We have very little experience with Dacromet coating.

High Strength Bolts Coatings

It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application.

If so, did the tension will be higher? But there are some doubts. Pierre-Paul — The properties of ast, bolt and the final tension should not be impacted. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.

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Consulting a structural engineer involved on the project is always the best solution. Link to Active This link will always route to the current Active version of the standard.

High Strength Bolts Coatings – Portland Bolt

Hi, Recently we were informed that Dacromet coating is being phased out. No atm units of measurement are included in this standard. Protective Coatings ASTM recommends that if a protective coating is required for A bolts, one of two approved coatings is recommended.

Your first question, is it appropriate to specify ASTM F Grade 3sstm be best answered by an engineer familiar with the coating and the application. They were used to in flange type splices of two tubular monopole sections.

It is required that the bolt and nut are coated by the same process, but the washer can be an alternate coating.

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. We assumed that the properties on the bolts is not affected but the final tension might be change? The bolts and nuts are already coated with Dacromet and the proposal is to coat the DTI washers with Magni F Grade 3, commonly known as Dacromet. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.

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The tightening torque may vary from plain finish or other coatings, but the bolt should still function the same. Since the Dacromet and Magni will be in contact with one another, Are they compatible with one another? The basecoat can contain chrome C or be non-chrome NC.

Leave this field empty. Jovito- We would be happy to quote your specific bolting needs if you want to send us a list of the bolts you are looking for. Leave a Reply Cancel reply Your email address will not be published. Your email address will not be published. Parham- We cannot make specific recommendations, but I can say that painting A bolts is quite common. Axtm galvanized hex nuts are therefore tapped oversize to accommodate the thick coating, whereas F specifically states that the thread fit shall not be adversely affected.

Normally where I see F specified is in applications with higher strength fasteners that cannot be hot-dip galvanized, such as V1136 A heavy hex bolts. What corrosion-resistant coatings are available for high-strength over ksi bolts? Work Item s – proposed revisions of this standard.