AS ISO 4993:2020 pdf free download.Steel and iron castings – Radiographic testing. AS ISO 4993 specifies the general requirements for the radiography of steel and iron castings by means of X-rays or gamma-rays, in accordance with procedures given in ISO 5579 and ISO 19232. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 5579, Non-destructive testing — Radiographic testing of metallic materials using film and X- or gamma rays — Basic rules ISO 19232-1, Non-destructive testing — Image quality of radiographs — Part 1: Determination of the image quality value using wire-type image quality indicators ISO 19232-2, Non-destructive testing — Image quality of radiographs — Part 2: Determination of the image quality value using step/hole-type image quality indicators ISO 19232-3, Non-destructive testing — Image quality of radiographs — Part 3: Image quality classes ISO 19232-4, Non-destructive testing — Image quality of radio qraphs — Part 4: Experimental evaluation of image quality values and image quality tables ISO 19232-5, Non-destructive testing — Image quality…

ISO 11971-2020 pdf free.Steel and iron castings 一 Visual testing of surface quality. 1.1 This document covers the acceptance criteria for the visual testing of the surface of steel and iron castings. 1.2 Acceptance levels utilize Bureau de Normalisation des Industries de Ia Fonderie (BNIF] and Steel Castings Research and Trade Association (SCRATA) or Casting Technology International ICTIJ reference comparators for the visual determination of surface roughness and surface discontinuities described as follows: surface roughness: thermal dressing: mechanical dressing: non-metallic inclusions: gas porosity; fusion discontinuities; expansion discontinuities; metal inserts. 2 Normative References There are no normative references in this document. 3 Terms and Deflnitions No terms and definitions are listed in this document. ISO and IEC maintain tertninological databases for use in standardization at the following addresses: ISO Online browsing platform: available at https://www.iso.org’obp IEC Electropedia: available at http://ww w .elecopedia.org/ 4 Ordering information The enquiry and order should specify the following information: a) the casting areas where the surface is to be tested should be clearly indicated on the drawing or solid model: h) the number of castings to he tested; C) the acceptance level: more than one acceptance level may he specified for different surfaces of the same…