| PDF Pages<\/th>\n | PDF Title<\/th>\n<\/tr>\n | ||||||
|---|---|---|---|---|---|---|---|
| 50<\/td>\n | Foreword <\/td>\n<\/tr>\n | ||||||
| 52<\/td>\n | 1 Scope 2 Normative references 3 Terms and Definitions <\/td>\n<\/tr>\n | ||||||
| 53<\/td>\n | 4 Information to be supplied by the purchaser 5 Classification and heat treatment 5.1 Grades of steels <\/td>\n<\/tr>\n | ||||||
| 54<\/td>\n | 5.2 Heat treatment condition 5.3 Degree of finish 6 Manufacture 6.1 Steelmaking Table 1 \u2014 Chemical composition <\/td>\n<\/tr>\n | ||||||
| 55<\/td>\n | Table 2 \u2014 Permitted variations of product analysis from the specified range for significant elements Table 3 \u2014 Heat treatment condition and mechanical properties <\/td>\n<\/tr>\n | ||||||
| 56<\/td>\n | Table 4 \u2014 Heat treatment after straightening 6.2 Manufacture of the axles 6.3 Hydrogen cracking (flakes) 6.4 Identification of axles during manufacture 6.5 Heat treatment <\/td>\n<\/tr>\n | ||||||
| 57<\/td>\n | 6.6 Straightening of rough axles 6.7 Dimensions Table 5 \u2014 Machining allowances and dimensional tolerances for unmachinedA) forged and rolled axles <\/td>\n<\/tr>\n | ||||||
| 58<\/td>\n | Table 6 \u2014 Dimensional requirements for part machinedB) and ready for assemblyB) axles <\/td>\n<\/tr>\n | ||||||
| 60<\/td>\n | Table 7 \u2014 Average surface roughness for part machinedA) and ready for assemblyA) axles Figure 1 \u2014 Key to the symbols used in Table 5 <\/td>\n<\/tr>\n | ||||||
| 61<\/td>\n | Figure 2 \u2014 Key to the symbols used for dimensional characteristics and surface roughness in Table 6 and Table 7 Figure 3 \u2014 Key to the symbols used for geometrical tolerances in Table 6 and Table 7 6.8 Rectification <\/td>\n<\/tr>\n | ||||||
| 62<\/td>\n | 7 Manufacturer\u2019s brand marks 8 Inspection 9 Type and number of tests 9.1 Type of tests 9.2 Test unit and subdivision into batches 9.3 Sampling and preparation of samples and test pieces <\/td>\n<\/tr>\n | ||||||
| 63<\/td>\n | Figure 4 \u2014 Micrographic examination sampling location (solid axle and hollow axle) <\/td>\n<\/tr>\n | ||||||
| 64<\/td>\n | 9.4 Surface condition 9.5 Dimensional checks Table 8 \u2014 Type and number of tests <\/td>\n<\/tr>\n | ||||||
| 65<\/td>\n | Figure 5 \u2014 Position of tensile test samples and test pieces (see 9.3.3) <\/td>\n<\/tr>\n | ||||||
| 66<\/td>\n | Figure 6 \u2014 Position of impact test samples and test pieces (see 9.3.4) 10 Test methods 10.1 Chemical analysis 10.2 Mechanical tests <\/td>\n<\/tr>\n | ||||||
| 67<\/td>\n | 10.3 Non-destructive tests 10.4 Micrographic cleanliness 10.5 Checking of surface condition 10.6 Checking of dimensions 11 Test results 11.1 Chemical composition 11.2 Mechanical properties 11.3 Non-destructive tests 11.4 Micrographic cleanliness <\/td>\n<\/tr>\n | ||||||
| 68<\/td>\n | Table 9 \u2014 Level to be achieved for micrographic examination 11.5 Surface condition 11.6 Dimensions 11.7 Retests 12 Conclusion of inspection 13 Certification <\/td>\n<\/tr>\n | ||||||
| 69<\/td>\n | 14 Protection in transport 14.1 Protection against corrosion 14.2 Protection against mechanical damage <\/td>\n<\/tr>\n | ||||||
| 70<\/td>\n | Annex A (informative)\u2002 Method for ultrasonic testing of part finished axles <\/td>\n<\/tr>\n | ||||||
| 72<\/td>\n | Figure A.1 \u2014 Standard calibration block <\/td>\n<\/tr>\n | ||||||
| 73<\/td>\n | Annex B (normative)\u2002 Method for surface magnetic particle inspection <\/td>\n<\/tr>\n | ||||||
| 75<\/td>\n | Bibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" Tracked Changes. Railway rolling stock materials – Specification for axles for traction and trailing stock<\/b><\/p>\n |