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• Bs En Iso 1461

1. UNLIMITED FREE ACCESS TO THE WORLD'S BEST IDEAS. BS EN ISO 1461. March 15, 1999 Hot Dip Galvanized Coatings on Fabricated Iron and Steel Articles - Specifications and Test Methods Inapplicable to sheet or wire galvanized by continuous hot dipping, and to tube and pipe hot dip galvanized in automatic plants.
2. Purchase your copy of BS 729:1971 as a PDF download or hard copy directly from the official BSI Shop. All BSI British Standards available online in electronic and print formats. BS EN ISO 1461:1999. Price £176.00. Member Price £88.00. Become a member and SAVE 50% on British Standards. Click to learn more. WITHDRAWN TITLE.To ask about.

DIN EN ISO 1461 Hot dip galvanized coatings on fabricated iron and steel articles - Specifications and test methods (ISO 1461:2009); German version EN ISO 1461:2009. Standard by DIN-adopted European-adopted ISO Standard, Amendments Available. View all product details.

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About This Item

Document History

Amendments, rulings, supplements, and errata

Browse related products from DIN-adopted European-adopted ISO Standard

• Deutsches Institut Fur Normung E.V. (German National Standard) >By Subscription Collections >Collection 08 - Surface treatment and welding
• Deutsches Institut Fur Normung E.V. (German National Standard) >By ICS Code >25: Manufacturing Engineering >25.220: Surface treatment and coating >25.220.40: Metallic coatings

To ensure the best quality and technical back-up service, it should be stated that the work be 'processed by a member of Galvanizers Association'.

The basic specification for hot dip galvanized coatings on iron and steel articles is defined by a single standard, EN ISO 1461 ‘Hot dip galvanized coatings on iron and steel articles – specifications and test methods’. However, there are some exceptions to this standard (see thicker coatings below).

When hot dip galvanizing is specified, the surface of the steel is completely covered with a uniform coating whose thickness is determined principally by the thickness of the steel being galvanized (see below).

This is an important advantage of the galvanizing process; a standard coating thickness is applied almost automatically. The actual thickness of galvanized coating achieved varies with steel section size, surface profile and surface composition. Actual coating weights are often much more than the minimum specified in the standard. As coating life expectancy figures quoted are based on the minimum coating thickness they are therefore usually very conservative.

Relationship between steel thickness and surface area/tonne

Guidance on the design and performance of hot dip galvanizing is contained in EN ISO 14713 Part 1 and 2.

EN ISO 1461: coating minimum masses/thickness on articles that are not centrifuged

EN ISO 1461: coating minimum masses/ thickness on articles that are centrifuged

UK National Building Specification (NBS)

There are many references to specifying hot dip galvanizing throughout the National Building Specification (NBS) system, the main location being G10 – Structural steel framing. General guidance on corrosion protection is also given.

In the unlikely event of being unable to identify the correct clause for a particular galvanizing application, please contact Galvanizers Association for specific advice.

The galvanizer acts as a specialist subcontractor to a steel fabricator and, as such, his contractual relationship is with the fabricator, not with the ultimate user. It is important, therefore, that the user’s requirements for galvanizing are made clear to the fabricator and that all communications concerning galvanizing are channelled through the fabricator.

Thicker coatings

Bs En Iso 1461

Thicker coatings than those set out in EN ISO 1461 can give additional protection for use in particularly aggressive environments and can be specified in conjunction with EN ISO 1461. It should however, be emphasised that for most applications, thicker coatings are rarely necessary.

Grit blasting prior to galvanizing is usually the most appropriate method and a requirement for a nominal coating thickness of 1000 g/m² (140 µm) has been successfully specified for steel of 6 mm section thickness. For structural steelwork, it is advisable to ascertain whether thicker coatings could be achieved through their greater section thickness and without grit blasting.

Achieving thicker coatings through specification of a reactive steel is normally only appropriate for specific applications.

Specification of thicker coatings must only be made following consultation with the galvanizer concerning viability and the means by which they will be achieved.