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]).<\/p>\n
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| 54<\/td>\n | undefined <\/td>\n<\/tr>\n | ||||||
| 61<\/td>\n | 1 Scope 2 Normative references 3 Terms and definitions <\/td>\n<\/tr>\n | ||||||
| 62<\/td>\n | 4 Designation <\/td>\n<\/tr>\n | ||||||
| 63<\/td>\n | 5 Order information 6 Manufacture 7 Requirements 7.1 General <\/td>\n<\/tr>\n | ||||||
| 64<\/td>\n | 7.2 Test pieces machined from separately cast samples 7.3 Test pieces machined from side-by-side cast and cast-on samples <\/td>\n<\/tr>\n | ||||||
| 65<\/td>\n | 7.4 Test pieces machined from samples cut from a casting 7.5 Hardness 7.6 Graphite structure <\/td>\n<\/tr>\n | ||||||
| 66<\/td>\n | 8 Sampling 8.1 General 8.2 Cast samples 8.2.1 Size of cast sample <\/td>\n<\/tr>\n | ||||||
| 67<\/td>\n | 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 <\/td>\n<\/tr>\n | ||||||
| 68<\/td>\n | 8.3 Samples cut from a casting <\/td>\n<\/tr>\n | ||||||
| 71<\/td>\n | 9 Test methods 9.1 Tensile test <\/td>\n<\/tr>\n | ||||||
| 73<\/td>\n | 9.2 Hardness test <\/td>\n<\/tr>\n | ||||||
| 74<\/td>\n | 9.3 Graphite structure examination 10 Retests 10.1 Need for retests 10.2 Test validity 10.3 Nonconforming test results <\/td>\n<\/tr>\n | ||||||
| 75<\/td>\n | 10.4 Heat treatment of samples and castings 11 Inspection documentation <\/td>\n<\/tr>\n | ||||||
| 76<\/td>\n | Annex A (informative)Additional information on properties and typical applications of compacted (vermicular) graphite cast irons <\/td>\n<\/tr>\n | ||||||
| 80<\/td>\n | 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 <\/td>\n<\/tr>\n | ||||||
| 81<\/td>\n | B.6 Classification of rounded graphite particles by a shape factor B.7 Intermediate graphite particles, understanding sterical effects <\/td>\n<\/tr>\n | ||||||
| 82<\/td>\n | B.8 Calculation of percentage nodularity B.9 Location of testing B.10 Rating chart \u2013 Typical reference images for the determination of nodularity in compacted (vermicular) graphite cast irons <\/td>\n<\/tr>\n | ||||||
| 84<\/td>\n | B.11 Rating chart \u2013 Typical reference images for the determination of the roundness of graphite particles, assigning shape factors <\/td>\n<\/tr>\n | ||||||
| 85<\/td>\n | Annex C (informative)Guidance values for tensile properties determined from samples cut from a casting <\/td>\n<\/tr>\n | ||||||
| 86<\/td>\n | Annex D (normative)Sectioning procedure for cast samples <\/td>\n<\/tr>\n | ||||||
| 87<\/td>\n | Annex E (informative)Comparison of compacted (vermicular) graphite cast iron material designations according to EN 1560 [2] and ISO\/TR 15931 [6] <\/td>\n<\/tr>\n | ||||||
| 88<\/td>\n | Annex F (informative)Changes since the last version <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" Tracked Changes. Founding. Compacted (vermicular) graphite cast irons<\/b><\/p>\n |