BS EN 16079:2023:2024 Edition

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Founding. Compacted (vermicular) graphite cast irons

Published By	Publication Date	Number of Pages
BSI	2024	38

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Categories: 77.080.10 - Irons, BSI

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Description

This document defines the grades and the corresponding requirements for compacted (vermicular) graphite cast irons. This document specifies 4 grades of compacted (vermicular) graphite cast iron by a classification based on the minimum mechanical properties measured on machined test pieces prepared from cast samples or samples cut from a casting. This document does not cover technical delivery conditions for iron castings (see EN 1559-1 [1] and EN 1559-3 [2]).

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PDF Pages	PDF Title
2	undefined
9	1 Scope 2 Normative references 3 Terms and definitions
10	4 Designation
11	5 Order information 6 Manufacture 7 Requirements 7.1 General
12	7.2 Test pieces machined from separately cast samples 7.3 Test pieces machined from side-by-side cast and cast-on samples
13	7.4 Test pieces machined from samples cut from a casting 7.5 Hardness 7.6 Graphite structure
14	8 Sampling 8.1 General 8.2 Cast samples 8.2.1 Size of cast sample
15	8.2.2 Frequency and number of tests 8.2.3 Separately cast samples 8.2.4 Side-by-side cast samples 8.2.5 Cast-on samples 8.2.6 Test pieces machined from cast samples
16	8.3 Samples cut from a casting
19	9 Test methods 9.1 Tensile test
21	9.2 Hardness test
22	9.3 Graphite structure examination 10 Retests 10.1 Need for retests 10.2 Test validity 10.3 Nonconforming test results
23	10.4 Heat treatment of samples and castings 11 Inspection documentation
24	Annex A (informative)Additional information on properties and typical applications of compacted (vermicular) graphite cast irons
28	Annex B (informative)Compacted (vermicular) graphite cast iron nodularity evaluation B.1 Nodularity definition B.2 Factors influencing nodularity B.3 Basic method for nodularity evaluation B.4 Microscope settings for sound nodularity evaluation (see also ISO/TR 9452) B.5 Roundness of graphite nodules
29	B.6 Classification of rounded graphite particles by a shape factor B.7 Intermediate graphite particles, understanding sterical effects
30	B.8 Calculation of percentage nodularity B.9 Location of testing B.10 Rating chart – Typical reference images for the determination of nodularity in compacted (vermicular) graphite cast irons
32	B.11 Rating chart – Typical reference images for the determination of the roundness of graphite particles, assigning shape factors
33	Annex C (informative)Guidance values for tensile properties determined from samples cut from a casting
34	Annex D (normative)Sectioning procedure for cast samples
35	Annex E (informative)Comparison of compacted (vermicular) graphite cast iron material designations according to EN 1560 [2] and ISO/TR 15931 [6]
36	Annex F (informative)Changes since the last version

Additional information

Status	Definitive
Pages	38
Publication Date	2024-01-04
ISBN	978 0 539 15187 9
Standard Number	BS EN 16079:2023
Title	Founding. Compacted (vermicular) graphite cast irons
Identical National Standard Of	EN 16079
Replaces	BS EN 16079:2011
Descriptors	Hardness, Foundry engineering, Spheroidal-graphite cast-iron, Sampling methods, Thickness, Dimensions, Strength of materials, Tensile strength, Poisson ratio, Cast-iron, Castings, Test specimens, Modulus of elasticity, Specific heat, Classification systems, Proof stress, Thermal conductivity, Mechanical testing, Elongation, Thermal expansion
Publisher	BSI
Committee	ISE/111
ICS Codes	77.080.10 - Irons

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BS EN 16079:2023:2024 Edition

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