• NF EN 493 : 1992

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

    Available format(s): 

    Superseded date:  01-12-2004

    Language(s): 

    Published date:  12-01-2013

    Publisher:  Association Francaise de Normalisation

    Sorry this product is not available in your region.

    Add To Cart

    Table of Contents - (Show below) - (Hide below)

    Cooperating organizations
    National foreword
    Foreword
    1. Scope
    2. Normative references
    3. Types, causes, appearance and limits of surface
         discontinuities
    4. Inspection and evaluation procedure
    Annexes
    A. (normative) Widening test on nuts
    B. (normative) Cone proof load test on nuts
    National annex NA (informative) Committees responsible
    National annex NB (informative) Cross-references

    Abstract - (Show below) - (Hide below)

    Sets limits for several types of surface discontinuities on nuts of product grades A and B with thread diameters from 5 mm to 39 mm inclusive. Also includes detailed annexes.

    General Product Information - (Show below) - (Hide below)

    Development Note INDICE DE CLASSEMENT: E25400-3
    Document Type Standard
    Publisher Association Francaise de Normalisation
    Status Superseded

    Standards Referenced By This Book - (Show below) - (Hide below)

    NFE 25 812 : 2004 HIGH-STRENGTH STRUCTURAL BOLTING FOR PRELOADING - HRC SYSTEM - PRELOADED BOLTS
    NF EN ISO 8673 : 2001 HEXAGON NUTS, STYLE 1, WITH METRIC FINE PITCH THREAD - PRODUCT GRADES A AND B
    NFP 22 311 : 92 AMD 2 2002 XP STEEL CONSTRUCTION - EUROCODE 3: "DESIGN OF STEEL STRUCTURES" AND NATIONAL APPLICATION DOCUMENT - PART 1-1: GENERAL RULES AND RULES FOR BUILDINGS
    • Access your standards online with a subscription

      Features

      • Simple online access to standards, technical information and regulations
      • Critical updates of standards and customisable alerts and notifications
      • Multi - user online standards collection: secure, flexibile and cost effective