Free Standards Library

ISO 732:2000 pdf download – Photography — 120-size and 220-size films — Dimensions

ISO 732:2000 pdf download - Photography — 120-size and 220-size films — Dimensions. 1 Scope This International Standard provides specifications for ? dimensions of 1 20-size and 220-size films and of the spools common to both, ?...

02-20

Download Now

ISO 701:1998 pdf download – International gear notation — Symbols for geometrical data

ISO 701:1998 pdf download - International gear notation — Symbols for geometrical data. 1 Scope This International Standard specifies geometrical symbols for use in notation of gear data. It comprises two lists: — the principal symbols, consisting...

02-20

Download Now

ISO 696-1975 pdf download – Surface active agents一Measurement of foaming power – Modified Ross- Miles method

ISO 696-1975 pdf download - Surface active agents一Measurement of foaming power - Modified Ross- Miles method. 6.1.1.2 Measuring cylinder of 1 I capacity, complying with Is0..., with graduations at each 10 ml. The measuring cylinder stands in...

02-20

Download Now

ISO 685-1975 pdf download – Analysis of soaps – Determination of total alkali content and total fatty matter content

ISO 685-1975 pdf download - Analysis of soaps - Determination of total alkali content and total fatty matter content. 5 REAGENTS During the analysis, use only reagents of recognized analytical reagent grade and only distilled water or...

02-20

Download Now

ISO 683-17:2014 pdf download – Heat-treated steels, alloy steels and free-cutting steels — Part 17: Ball and roller bearing steels

ISO 683-17:2014 pdf download - Heat-treated steels, alloy steels and free-cutting steels — Part 17: Ball and roller bearing steels. 1 Scope 1.1 This part of ISO 683 specifies the technical delivery requirements for five groups of...

02-20

Download Now

ISO 643:2019 pdf download – Steels — Micrographic determination of the apparent grain size

ISO 643:2019 pdf download - Steels — Micrographic determination of the apparent grain size. 6.2 Revealing ferritic grain boundaries The ferritic grains shall be revealed by etching with nital (ethanolic 2 % to 3 % nitric acid...

02-20

Download Now

ISO 630-6:2014 pdf download – Structural steels — Part 6: Technical delivery conditions for seismic-improved structural steels for building

ISO 630-6:2014 pdf download - Structural steels — Part 6: Technical delivery conditions for seismic-improved structural steels for building. 3.4 tempering heat treatment applied to a ferrous product, generally after quench hardening, or another heat treatment to...

02-20

Download Now

ISO 630-2:2021 pdf download – Structural steels — Part 2: Technical delivery conditions for structural steels for general purposes

ISO 630-2:2021 pdf download - Structural steels — Part 2: Technical delivery conditions for structural steels for general purposes. 6.3 Chemical composition 6.3.1 Heat analysis The chemical composition determined by heat analysis shall comply with the values...

02-20

Download Now

ISO 630-1:2021 pdf download – Structural steels — Part 1: General technical delivery conditions for hot-rolled products

ISO 630-1:2021 pdf download - Structural steels — Part 1: General technical delivery conditions for hot-rolled products. 1 Scope This document specifies the general technical delivery conditions for steel flat and long products (plates/ sections/wide flats and...

02-20

Download Now

ISO 605:1991 pdf download – Pulses – Determination of impurities, size, foreign odours, insects, and species and variety – Test methods

ISO 605:1991 pdf download - Pulses - Determination of impurities, size, foreign odours, insects, and species and variety - Test methods. 7 Tests for the presence of foreign odours 7.1 Procedure 7.1 .1 Carry out the examination...

02-20

Download Now