DIN EN ISO 10684 PDF

Fasteners – Hot dip galvanized coatings (ISO + Cor. ); German version EN ISO + AC Buy DIN EN ISO FASTENERS – HOT DIP GALVANIZED COATINGS from SAI Global. Verbindungselemente – Feuerverzinkung (ISO ) mechanical fasteners and accessories”, the secretariat of which is held by DIN.

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BS EN ISO 10684:2004

Polski English Select Language: This standard is not included in any packages. This standard is not included in any fin. Standards Subscriptions from ANSI provides a money-saving, multi-user solution for accessing standards. Another important aspect of cathodic protection is that no corrosion occurs underneath the zinc layer.

We have oso document history for this standard. In order to cope with this issue, ISO provides two solutions, both of which involve changes in the dimensions of the basic threaded fasteners. A white, voluminous zinc corrosion product, “white rust,” may develop, though this product may be less desirable for reasons of aesthetics or painting.

ISO – Fasteners — Hot dip galvanized coatings

Rin time that steel remains protected from corrosion is proportional to the ios of the zinc layer, and it is dependent on the climatic conditions, as shown in the graphic below. You may delete a document from your Alert Profile at any time. Please first log in with a verified email before subscribing to alerts.

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The zinc layer on the bolt thread completely overtakes the protection of the uncoated nut thread. We have no amendments or corrections for this standard. Already Subscribed to this document. Subscription pricing is determined by: Dutch English Select Language: It is a suitable solution in very aggressive atmospheres e. We have no amendments or corrections for this standard. In case the zinc coating is scratched or chipped, the zinc layer attempts to cover the damaged area in normal atmospheric environments.

The nut oversize limits are standardized in ISOand the thread tolerance class of the oversize tapped nuts is designated as 6AZ. As the voice of the U.

HOT DIP GALVANIZING

Your shopping cart is empty. Nut threads must always be tapped after HDG. The other solution provided by ISO is to tap the internal threads nuts to be a bit larger oversize so that they mate with the galvanized externally threaded fastener boltwhich is called the oversize HDG system. What remains is a layer of zinc 40 to 70 microns on the surface of the products that is relatively thick compared to zinc electroplating 3 to 20 microns.

Need more than one copy? When properly degreased, hot dip galvanizing offers effective adhesion for many types of paint. Subscription pricing is determined by: The process of hot dip galvanizing is quite simple: Please first verify your email before subscribing to alerts.

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Next, the fasteners are spun to remove the excess zinc, and then they are cooled in water to solidify the zinc.

A so called duplex 10648 is a combination of hot dip galvanizing and painting. Magyar English Select Language: Already Subscribed to this document. Generally, it can be stated that the mechanical properties of the bolts in accordance with ISO and the nuts in accordance with ISO are not influenced by hot dip galvanizing.

Please first verify your email before subscribing to alerts. When galvanized, steel remains wet for a longer period, and there is insufficient air circulation. Proceed to Checkout Continue Shopping. Add to Alert PDF. Nuts are processed in the same way, except the nut thread is not yet formed.

Hot dip galvanization | Fabory

This tapping leaves the internal threads exposed not covered with zincbut it has no detrimental effects on the corrosion resistance, as illustrated further below.

Your Alert Profile lists the documents that will be monitored. Further specific values can be found in DIN 100684

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