Stainless Steel - General Information - Metric DN/ND Steel Backing Flanges

Metric DN/ND Steel Backing Flanges

Information on Mild Steel Metric Tube Loose Backing 'Plate' Flanges.
Epoxy Coated 206N (Green)
Drilled according to BS4504 PN10/PN16
What are Metric Tube and Fittings?
~ This is a lightweight range of welded tube, fittings and flanges with thin walls
~ An I/D based system

What is the size range?
~ 15mm to 900mm DN
~ 18mm to 910mm O/D
~ Wall Thickness 1.5mm to 5.0mm

What do DN/ND and O/D mean?
~ DN/ND = Nominal Diameter (I/D)
~ O/D = Outside/External Diameter
~ I/D = Internal Diameter

Backing Flanges may be:
~ Stainless Steel
~ Aluminium – These may have an epoxy coating
~ Mild Steel – These will have a coating such as PPA571 Grey Epoxy, Zinc Plating

For Further Information

Please download or request a hard copy of our Brochure on this product range.


Certifiction and range covered is attached

Datasheet Search

Last Datasheet Revision

18 July 2019


This Data is indicative only and as such is not to be relied upon in place of the full specification. In particular, mechanical property requirements vary widely with temper, product and product dimensions. All information is based on our present knowledge and is given in good faith. No liability will be accepted by the Company in respect of any action taken by any third party in reliance thereon.

Please note that the 'Datasheet Update' date shown above is no guarantee of accuracy or whether the datasheet is up to date.

The information provided in this datasheet has been drawn from various recognised sources, including EN Standards, recognised industry references (printed & online) and manufacturers’ data. No guarantee is given that the information is from the latest issue of those sources or about the accuracy of those sources.

Material supplied by the Company may vary significantly from this data, but will conform to all relevant and applicable standards.

As the products detailed may be used for a wide variety of purposes and as the Company has no control over their use; the Company specifically excludes all conditions or warranties expressed or implied by statute or otherwise as to dimensions, properties and/or fitness for any particular purpose, whether expressed or implied.

Advice given by the Company to any third party is given for that party’s assistance only and without liability on the part of the Company. All transactions are subject to the Company’s current Conditions of Sale. The extent of the Company’s liabilities to any customer is clearly set out in those Conditions; a copy of which is available on request.