ASTM F1941 PDF

23 Feb The ASTM F specification covers several common electrodeposited coatings on threaded fasteners. The below chart details the various. The fastener industry should be made aware of an important recent development in the realm of. ASTM fastener standard specifications. ASTM F/. ASTM F/FM: Standard Specification for Electrodeposited Coatings on Mechanical Fasteners, Inch and Metric.

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Link to Active This link will always route to the current Active version of the standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. This abstract is a brief summary of the referenced standard. Combining values from the two systems may result in non-conformance to the standard. My follow up question would be, if the fasteners are coated with trivalent chromite adding the designation “T”why do the salt spray hours in the ASTM spec differ between any color chromate designation?

ASTM F1941

Is there an acceptable way to demonstrate equivalence? For example, rather than specifying: That’s exactly what I needed.

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. Nonmagnetic Coatings on Magnetic Basis Metals. 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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Link to Active This link will always route to the current Active version of the standard.

ASTM / ASME spec F for Zinc Plating Which finish to choose?

Corrosion resistance and embrittlement of coatings shall be determined by asmt mechanical tests. The chromate finish letter E designates a black color. 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 asstm. Thank you for your assistance. My research is leading me to believe that ASTM F M both inch and metric are the two standards I need; but even those have over grades listed!

ASTM / ASME spec F1941 for Zinc Plating … Which finish to choose?

This specification covers application, performance and dimensional requirements for electrodeposited coatings on threaded fasteners with metric screw threads. Slight discoloration that results from baking, drying, or electrode contact during rack-plating, or all of these, as well as slight staining that results from rinsing shall not be cause for rejection.

This standard does not purport to address all of the safety concerns, if any, associated with its use. Work Item s – proposed revisions of this standard.

It’s not possible to diagnose a finishing problem or the hazards of an operation via these pages. It also highlights the differences between barrel and rack plating and makes recommendations as to the applicability of each process.

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Which finish to choose? It also highlights the differences between barrel and rack plating and makes recommendations as to the applicability of each process. All information presented is for general reference and does not represent a professional opinion nor the policy of an author’s employer. Isn’t the color achieved by adding a dye and the corrosive resistance achieved through a sealer or thicker chromate? It satm coating thickness, supplementary hexavalent chromate or non-hexavalent conversion coatings, corrosion resistance, precautions for managing the risk of hydrogen embrittlement and hydrogen embrittlement relief for f11941 and surface-hardened fasteners.

One of these should meet your needs. The coating material, coating thickness, chromate finish, and trivalent chromite finish shall be selected and designated. All I want is a single spec f19941 call out, to get the basic zinc-electroplated fastener.

Referenced Documents f1491 separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. Combining values from the two systems may result in non-conformance with the standard.

Historical Version s – view previous versions of standard. Toby — Thanks for boiling it down for me. We do not specify specific plating specs; we simply use the general name.