The ASTM A passivation standard ensures high quality results for passivated stainless steel. Learn how Able Electropolishing meets these standards. 35A, AMS C, ASTM A and ASTM A standards. Passivation alone will not remove heavy adherent oxide films created from heat treatment. Delstar Metal Finishing offers passivation services that meet the ASTM (American Society for Testing and Materials) A standards. The ASTM A standards.

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Gain access to the technologies and people in aerospace and defense manufacturing. Lee Kremer Stellar Solutions, Inc.

But again, please describe your situation. Medical Device Silver Plating.

Which is the right passivation spec? They supply exact and stringent standards finishing companies rely on to provide the best products possible.

What should I tell my customer?

ASTM A Standard Passivation Treatment For Stainless Steel

Thanks for your time. Plating Specifications Download Register. The ASTM has established certain criterion to achieve consistent product quality in the metal finishing industry.

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.

Free iron denotes iron present on the surface wstm the parts, including but not limited to iron contamination, iron-tool marks, residual-iron salts from pickling solutions, iron dust, atmospheric exposure, iron deposits in welds, embedded iron, and iron oxide. In reading through the specification I believe the drawing is incorrect.


ASTM A967 vs. AMS 2700? Which is the right passivation spec?

Ray Kremer Stellar Solutions, Inc. We appended your question to a thread which should clearly answer it for you: For the passivation of stainless steel components, the document for the passivation specification is known as ASTM A From beautiful Pine Beach New Jersey: Especially in the fastener industry I have seen it is difficult to source a specific product according to a specific type within these standards.

You should never ask for “standard passivation” on astj. Hello, While carrying out passivation tests we came across the following apparent contrast. AMS exempts C from testing. Determining the suitability of A for your specific parts is up to you, or requirements set by your customer.

Is this a correct assessment? March 7, Atm. These ASTM-approved tests may include: Also, how common is it for a purchaser of a good to specify a specific passivation type in a standard rather than reference the entire standard and leave the type selection up to the manufacturer?

9a67 is the overlaying of zstm substrate or base layer with another metal.


The “right” spec is the one that your customer requires. As far as the stainless steel passivation process itself, you’re pretty much always going to work your way back to A Combining values from the two systems may result in non-conformance with the standard.

Regards, Ted Z967, P. AMS considers different parts, or the same part made at different times, to be different lots with the exception for parts with the legacy QQ-P called out, when you can use the older definition. I assume that A was developed running several extreme conditions but I’ve been looking for that information and couldn’t find anything about it. What requirement or standard is he ast you against, since clearly it is not A?

ASTM A967 Passivation Standard

If you’re having it done for you, the testing is someone else’s problem, so you might consider AMS This abstract is a brief summary of the referenced standard. The best thing do to is ask the customer what they expect. The standards of ASTM A provide specific details of the acceptable methods required for passivating stainless steel.

The treatments are the following: