ASTM B368 PDF

ASTM B368 PDF

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October 4, 2020

ASTM B The ASTM B Copper-Accelerated Acetic Acid Salt Spray, ( CASS) Test This test is performed in accordance with the specifications found in the. ASTM B Copper Accelerated Acetic Acid Salt Spray (Fog) Testing. Can be used to test the relative resistance to corrosion of anodized aluminium and. Testing Specifications of Cyclic Cycles we have met – ASTM, ASTM B, ASTM B, CASS, ASTM G85, GMW, GMW, SAE J, Ford CETP.

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Chrome plating is organic or inorganic? If you’re not doing Ni-Cr plated parts, technically you’re not even using the b3688 test. It was a blast from the past hearing from you: For example, hot dip galvanizing is no doubt the most durable of any finish, often surviving on electrical transmission towers for 75 years or more with no maintenance.

Ray Kremer Stellar Solutions, Inc. The only way to accurately and reliably develop a correlation is to build one yourself. To minimize your searching efforts and to offer multiple viewpoints, we’ve combined some threads into the dialog you’re viewing.

How to compare ASTM B117 Salt Spray and ASTM B368 CASS Test?

You could probably say that about a lot of these tests. Test time ranges from 24 to thousands of hours, b3668 in 24 hour increments. Are these parts stainless steel, or a non-ferrous alloy perhaps? You must take the time to develop this correlation yourself because it depends on the paint, substrate, chamber, and test equipment.

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Touchstone Research Laboratory, Ltd. Touchstone has laboratory tested both coupons and entire components for automotive, aerospace, and other industries.

How to compare ASTM B Salt Spray and ASTM B CASS Test?

First a side note about CASS. At the time, it was perhaps the biggest plating-on-plastics line in the country. Test time and inspections: Medias this blog was made to help people to easily download or read PDF files.

Link to Active This link will always route to the current Active version of the standard. If sstm resists hours B test, how many hours should it resist for B test? It is also used for testing chromium plating on zinc and steel die castings.

They are referenced for information only: This type of analysis b3688 be better suited to research or an initial validation. This sort of thing is usually agreed upon between a customer and supplier based on technical experience and judgement. If they only require that the non-knurled areas pass CASS, then you should be fine.

Reagent grade copper chloride dihydrate is then added at a rate of 1 gram to 4 litres of salt solution. Sample preparation and placement: But we appended your inquiry to an earlier thread which touches on the difficulties of correlation. Other materials and coatings corrode in fundamentally different ways such that CASS test results have essentially no bearing on their anticipated life. It is also applicable to the testing of anodized aluminum.

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In either application, certain variations qstm the test procedures for different substrates asym coatings may improve their predictive value.

An ongoing discussion from through How can we help? If the knurling process is causing iron contamination, passivating the parts should help.

An ongoing discussion from through Note 1 — The following standards are not requirements.

CASS Test — Copper-Accelerated Acetic Acid Salt Spray (Fog) Test — (ASTM B368, B117)

I’m planning to use CASS test. The suitability of this test and correlation of results with service experience should be determined before it is specified for coating systems or materials other than those mentioned in this paragraph. First a side note about CASS. Also known as the CASS test, this test is commonly used to evaluate paints on steel as well as to determine corrosion resistance of various aluminum alloys. What is organic coating?

Other materials and coatings corrode in fundamentally different ways such that CASS test results have essentially no bearing on their anticipated life. Uses include research and development, specification acceptance, manufacturing control of product or process, and simulated service evaluations.