ISO 2566-2:2021
Steel — Conversion of elongation values — Part 2: Austenitic steels
This document specifies a method of converting room temperature percentage elongations after fracture obtained on various proportional and non-proportional gauge lengths to other gauge lengths.
Formula (1), on which conversions are based, is considered to be reliable when applied to austenitic stainless steels within the tensile strength range 450 to 750 N/mm2 and in the solution treated condition.
These conversions are not applicable to:
a) cold reduced steels;
b) quenched and tempered steels;
c) non-austenitic steels.
These conversions are not applicable when the gauge length exceeds 25√S0 or where the width to thickness ratio of the test piece exceeds 20.
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms, definitions and symbols
3.1 Terms and definitions
3.2 Symbols
4 Basic formula
5 Requirements on conversions
6 Conversion from one proportional gauge length to another proportional gauge length
7 Conversion from one non-proportional gauge length to another non-proportional gauge length for test pieces of equal cross-sectional area
8 Conversion from a non-proportional gauge length to another non-proportional gauge length for test pieces of different cross-sectional areas
9 Conversion from a proportional gauge length to a non-proportional gauge length
9.1 General
9.2 Conversion factors from to non-proportional gauge length
9.3 Conversion factors from to non-proportional gauge length
9.4 Elongation values
10 Use of Figures
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms, definitions and symbols
3.1 Terms and definitions
3.2 Symbols
4 Basic formula
5 Requirements on conversions
6 Conversion from one proportional gauge length to another proportional gauge length
7 Conversion from one non-proportional gauge length to another non-proportional gauge length for test pieces of equal cross-sectional area
8 Conversion from a non-proportional gauge length to another non-proportional gauge length for test pieces of different cross-sectional areas
9 Conversion from a proportional gauge length to a non-proportional gauge length
9.1 General
9.2 Conversion factors from to non-proportional gauge length
9.3 Conversion factors from to non-proportional gauge length
9.4 Elongation values
10 Use of Figures