Fe/Zn Fe/Zn 8. Fe/Zn 5. Fe/Zn 3. DESignAtion. tyPE. tyPiCAl APPEArAnCE. A. Clear. Transparent colorless with slight. FOR COATINGS. OTHER POSSIBLE. DESIGNATION. NOMINAL COAT. THICKNESS. µm. CHROMATE. WHITE. CORROSION h. RED RUST h. A2A. Fe/ Zn 5c1A. BASE COAT, PASSIVATE, TOP COAT, NOTE, HOURS TO WHITE, HOURS TO RED, DIN & 2 ref. ZINC, CLEAR TRIVALENT, none, 16 hrs, 48 hrs, Fe/Zn.

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Please forgive any resultant repetition or failures of chronological order.

Questions about zinc electroplating specification Fe/Zn8

Janice Tessier – Sealy, Texas A. SK Cheah – Penang, Malaysia. Hopefully Joko’s reply answered your question satisfactorily. From beautiful Pine Beach New Jersey: Hello, We have a customer from Japan that requires plating I have never heard.

It has the look of a European standard but is not written in the manner which the relevant standard EN July 30, A. You can’t proceed without a copy of the specification, so please ask the fin to supply a copy of it or tell you where to get it. Could somebody help me with this?

I have contacted our plating shop and they have never heard of this type.

Anbauwinkel Hub < 50 1.0330 EN 10130 75x140x34,5 Fe/Zn12B Überzug DIN 50961-Fe/Zn 12B

It’s not possible to diagnose a finishing problem or the hazards of an operation via these pages. As far as I know it is a. Hope that this helps. If the plater is trying to meet the intent of the specification which you have called out, and the fastener is relatively long, it is very possible that there will be enough zinc on the starter thread to cause a thread interference.


To the best of my knowledge, the thickness is the minimum. It would be very difficult to obtain a certain thickness exactly, for example 8 microns. My bet is that “BK” means black chromate, but a guess is no substitute for an authoritative answer: We need to have a range on the thickness.

As far as I know this is a Zinc Plating over steel, 5 microns, chromate; di I don’t know what the rest of the spec. Components require salt spray life up to hours as per drawing of Honda components. I have a customer drawing that states on the finishing field the follows: March 26, Hi, Claire. Please inform me if somebody knows, thanks. Hello Janice, Is the product that you are having a problem with a fastener? It’s probably a JS standard.

October 14, Hi, Ozgur.

It seems it is Zinc plating 10 microns thick, but what does the bk stand for? I have a print with this plate spec, and just want to make sure that I understand it correctly. John Martin – Wales June 1, A. May 29, A. Any words of advise would be appreciated. This spec means white rust should not appear in 48H, and red rust in 96H more total H. June 26, A. Enrique Segovia – Monterrey, Mexico A. May 11, A.

Questions about zinc electroplating specification Fe/Zn8, thicknesses and chromate post-treatments

According to my customer’s drawing, it requires surface treatment: Google tells me that TLP stands for ‘thick vin passivated’. You could specify also a maximum thickness, and work with your supplier to see if it is possible to work on this range. So you probably should be careful re call it out as ddin spec. Is there a specific salt spray for this?


Can’t you go back to your customer and ask what body issued the standard? I hope this helps. We are quoting a electroplate 5096 and want to better understand the “breakdown” of the spec. Is the product that you are having a problem with a fastener?

Can the supplier send us material with a range of microns with the microns having a deposit build up which interferes with the functionality of our part? Hi Amy, Yes the thickness is 0. Best regards, Brian A. The same issue can occur on a stamping with a threaded hole. All information presented zb for general reference and does not represent a professional opinion nor the policy of an author’s employer. Even if we agree on what these letters mean in one spec, you can’t be sure what is wanted without an actual spec number.

Regards, Ted Mooney, P. To minimize your searching efforts and to offer multiple viewpoints, we’ve combined some threads into the dialog you’re viewing.