This document specifies methods for sampling and sample preparation for the determination of the chemical composition of pig irons, cast irons and steels. Methods are specified for both liquid and solid metal.<\/p>\n
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| 78<\/td>\n | National foreword <\/td>\n<\/tr>\n | ||||||
| 80<\/td>\n | European foreword <\/td>\n<\/tr>\n | ||||||
| 84<\/td>\n | Foreword <\/td>\n<\/tr>\n | ||||||
| 85<\/td>\n | 1 Scope 2 Normative references 3 Terms and definitions <\/td>\n<\/tr>\n | ||||||
| 87<\/td>\n | 4 Requirements for sampling and sample preparation 4.1 General <\/td>\n<\/tr>\n | ||||||
| 88<\/td>\n | 4.2 Sample 4.2.1 Quality <\/td>\n<\/tr>\n | ||||||
| 89<\/td>\n | 4.2.2 Size 4.2.3 Identification 4.2.4 Sample conservation 4.2.5 Sample for arbitration <\/td>\n<\/tr>\n | ||||||
| 90<\/td>\n | 4.3 Sampling 4.3.1 Sample from a melt 4.3.2 Sample from a product 4.4 Preparation of a sample 4.4.1 Preliminary preparation of a sample 4.4.2 Test sample in the form of chips <\/td>\n<\/tr>\n | ||||||
| 91<\/td>\n | 4.4.3 Test sample in the form of fragments 4.4.4 Test sample in the form of a solid block <\/td>\n<\/tr>\n | ||||||
| 93<\/td>\n | 4.4.5 Preparation of a test sample by remelting 4.5 Safety precautions 4.5.1 Personal protection 4.5.2 Machinery 4.5.3 Hazardous materials 5 Liquid iron for steelmaking and pig-iron production 5.1 General <\/td>\n<\/tr>\n | ||||||
| 94<\/td>\n | 5.2 Spoon sampling 5.2.1 Methods <\/td>\n<\/tr>\n | ||||||
| 95<\/td>\n | 5.2.2 Maintenance of equipment 5.3 Probe sampling 5.3.1 General <\/td>\n<\/tr>\n | ||||||
| 96<\/td>\n | 5.3.2 Methods 5.4 Preparation of a test sample 5.4.1 Preliminary preparation 5.4.2 Test sample for a chemical method 5.4.3 Test sample for a thermal method 5.4.4 Test sample for a physical method <\/td>\n<\/tr>\n | ||||||
| 97<\/td>\n | 6 Liquid iron for cast iron production 6.1 General 6.2 Spoon sampling 6.2.1 General 6.2.2 Methods <\/td>\n<\/tr>\n | ||||||
| 98<\/td>\n | 6.2.3 Chilled sample 6.2.4 Non-chilled sample 6.2.5 Maintenance of equipment <\/td>\n<\/tr>\n | ||||||
| 99<\/td>\n | 6.3 Probe sampling 6.4 Preparation of a test sample 6.4.1 Preliminary preparation 6.4.2 Test sample for chemical methods <\/td>\n<\/tr>\n | ||||||
| 100<\/td>\n | 6.4.3 Test sample for thermal methods 6.4.4 Test sample for physical methods 6.5 Sampling and sample preparation for the determination of oxygen and nitrogen 6.5.1 General 6.5.2 Method 6.5.3 Preparation of the test portion <\/td>\n<\/tr>\n | ||||||
| 101<\/td>\n | 7 Liquid steel for steel production 7.1 General 7.2 Spoon sampling 7.2.1 Methods 7.2.2 Maintenance of equipment <\/td>\n<\/tr>\n | ||||||
| 102<\/td>\n | 7.3 Probe sampling 7.3.1 General 7.3.2 Methods 7.4 Preparation of a test sample 7.4.1 Preliminary preparation 7.4.2 Test sample for chemical methods <\/td>\n<\/tr>\n | ||||||
| 103<\/td>\n | 7.4.3 Test sample for thermal methods 7.4.4 Test sample for physical methods 7.5 Sampling and sample preparation for the determination of nitrogen and oxygen 7.5.1 Methods of sampling <\/td>\n<\/tr>\n | ||||||
| 104<\/td>\n | 7.5.2 Preparation of the test portion 7.6 Sampling and sample preparation for the determination of hydrogen 7.6.1 General <\/td>\n<\/tr>\n | ||||||
| 105<\/td>\n | 7.6.2 Methods of sampling 7.6.3 Preparation of the test portion 8 Pig-irons 8.1 General 8.2 Increment sampling 8.2.1 Number of increments <\/td>\n<\/tr>\n | ||||||
| 106<\/td>\n | 8.2.2 Methods 8.2.3 Consignment of mixed pig-irons 8.3 Preparation of a test sample 8.3.1 General <\/td>\n<\/tr>\n | ||||||
| 107<\/td>\n | 8.3.2 Test sample for chemical methods 8.3.3 Test sample for thermal methods <\/td>\n<\/tr>\n | ||||||
| 108<\/td>\n | 8.3.4 Test sample for physical methods 9 Cast iron products 9.1 General 9.2 Sampling and sample preparation 9.2.1 General <\/td>\n<\/tr>\n | ||||||
| 109<\/td>\n | 9.2.2 Test sample for chemical methods <\/td>\n<\/tr>\n | ||||||
| 110<\/td>\n | 9.2.3 Sample in the form of a solid block for analysis by thermal methods 9.2.4 Test sample for physical methods 10 Steel products 10.1 General <\/td>\n<\/tr>\n | ||||||
| 111<\/td>\n | 10.2 Selection of a laboratory sample or a test sample from a cast product 10.3 Selection of a laboratory sample or a test sample from a wrought product 10.3.1 General 10.3.2 Sections 10.3.3 Plates or slabs 10.3.4 Light sections, bars, rods, sheets, strips and wires <\/td>\n<\/tr>\n | ||||||
| 113<\/td>\n | 10.3.5 Tubes and pipes 10.4 Preparation of a test sample 10.4.1 General 10.4.2 Test sample in the form of chips 10.4.3 Test sample in the form of a solid block <\/td>\n<\/tr>\n | ||||||
| 114<\/td>\n | 10.5 Sampling of leaded steel 10.6 Sampling and sample preparation for the determination of oxygen 10.6.1 General 10.6.2 Methods of sampling <\/td>\n<\/tr>\n | ||||||
| 115<\/td>\n | 10.6.3 Preparation of a test portion 10.7 Sampling and sample preparation for the determination of hydrogen 10.7.1 General 10.7.2 Methods of sampling <\/td>\n<\/tr>\n | ||||||
| 116<\/td>\n | 10.7.3 Preparation of a test portion <\/td>\n<\/tr>\n | ||||||
| 117<\/td>\n | Annex A (informative) Sampling probes for use with liquid iron and steel <\/td>\n<\/tr>\n | ||||||
| 125<\/td>\n | Annex B (informative) Sampling probes for use with liquid steel for the determination of hydrogen <\/td>\n<\/tr>\n | ||||||
| 128<\/td>\n | Bibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" Tracked Changes. Steel and iron. Sampling and preparation of samples for the determination of chemical composition<\/b><\/p>\n |