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JIS B 1054-4:2013

JIS B 1054-4:2013

$35.10

Mechanical properties of corrosion-resistant stainless-steel fasteners – Part 4: Tapping screws

Published By Publication Date Number of Pages
JIS 2013-05-20 30
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This Standard specifies the mechanical properties of tapping screws made of austenitic, martensitic and ferritic steel grades of corrosion-resistant stainless steels, when tested over an ambient temperature range of 10°C to 35 °C.

Properties vary at higher or lower temperatures.

It applies to tapping screws with threads from ST2.2 up to and including ST8, in accordance with JIS B 1007.

It does not apply to screws with special properties, such as weldability.

NOTE: The designation system of this Standard can be used for sizes outside the limits given in this clause (e.g. d> ST8), provided that all applicable mechanical and physical requirements of the hardness classes are met.

This Standard does not define corrosion or oxidation resistance in particular environments.

However, some information on materials for particular environments is given in Annex C.

Regarding definitions of corrosion and corrosion resistance, see ISO 8044.

The aim of this Standard is the classification of corrosion-resistant stainless steel tapping screws into hardness classes.

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.

Annex D shows how the risk of intergranular corrosion at elevated temperatures depends on the carbon content.

All austenitic stainless steel fasteners are normally non-magnetic in the annealed condition; after cold working, some magnetic properties can be evident (see Annex E).

NOTE: The International Standard corresponding to this Standard and the symbol of degree of correspondence are as follows:

ISO 3506-4: 2009 Mechanical properties of corrosion-resistant stainless steel fasteners-Part 4: Tapping screws (IDT)

The symbols which denote the degree of correspondence in the contents between the relevant International Standard and JIS are IDT (identical), MOD (modified), and NEQ (not equivalent) according to ISO/ lEC Guide 21-1.

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JIS B 1054-4:2013
$35.10