Stainless steel fasteners are specified in BS EN ISO Part 1 covers bolts, screw & studs. Part 2 covers nuts and part 4 (published in ). ▻Tab. 10 – Common stainless steels and their composition b) Classification of strength of stainless steel screws. ▻Tab. 11 – Extract from DIN EN ISO Buy PN EN ISO MECHANICAL PROPERTIES OF CORROSION- RESISTANT STAINLESS-STEEL FASTENERS – PART 1: BOLTS, SCREWS AND .

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Worldwide Standards We can source any standard from anywhere in the world. A Nuts, high type B Nuts, thin type. The aim of this part of ISO is the classification of corrosion-resistant stainless steel fasteners1 into property classes. Please download Chrome or Firefox or view our browser tips.

The labels must be placed on the thread-free part of the stud and contain the stamp of origin, the steel type and the property class.

Other screws can be labelled in the same way wherever possible but only on the screw head. We have no amendments or corrections for this standard.

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Isi definitions of corrosion and corrosion resistance, see ISO A Hexagon head screws B Cheese head screws with hexagon socket or six lobe drive. Corrosion and oxidation performances and mechanical properties for use at elevated or sub-zero temperatures can be agreed on between the user and the manufacturer in each particular case.


Labelling on the key surfaces is also permissible if this is preferred. However, some information on materials for particular environments is given in Annex E.

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Product labeling – Designation system, DIN EN ISO

External-thread fasteners, Grades qualityTorsional strength, Chemical composition, Threads, Bolts, Temperature, Test equipment, Tensile testing, Stainless steels, Tensile stress, Ferritic steels, Threaded fasteners, Studs fastenersTorque, Steels, Elongation at fracture, Marking, Designations, Martensitic steels, Classification systems, Corrosion-resistant steels, Torsion testing, Mechanical testing, Mechanical properties of materials, Tensile strength, Hardness, Austenitic steels, Hardness testing, Screws boltsIntergranular corrosion, Fasteners.

Accept and continue Learn more about the cookies we use and how to change your settings. This part of ISO does not define corrosion or oxidation resistance in particular environments. Add to Alert PDF.

Should labelling not be possible on the thread-free section, only the indication of the steel type on the cap at the end adjacent to the nut is permissible as labelling. Search all products by. This standard is also available in these packages:. Proceed to Checkout Continue Shopping. The designation system of this part of ISO can be used for sizes outside the limits given in this clause e.

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BS EN ISO 3506-1:2009

You may experience issues viewing this site in Internet Explorer 9, 10 or This standard is also available to be included in Standards Subscriptions. Your Alert Profile lists the documents that will be monitored. You can download and open this file to your own computer but DRM prevents opening this file on another computer, including sio networked server. Bolts, screws and studs Status: Properties vary at higher or lower temperatures.


You may find similar items within these categories by selecting from the choices below:. If the nuts are labelled with grooves for the materials and the property class is not indicated, the property class 50 or applies.

Labelling on the supporting surface is permissible; in this case it may be affixed only in sunken form. Bolts, screws and studs.

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It does not apply to screws with special properties, such as weldability. Properties vary at higher or lower temperatures. All austenitic stainless steel fasteners are normally non-magnetic in the annealed condition; after cold working, some magnetic properties can be evident see Annex H.