This document specifies the technical delivery conditions in two test categories for seamless tubes of a circular cross section made of austenitic (including creep resisting steel) and austenitic-ferritic stainless steel which are intended for pressure and corrosion resisting purposes at room temperature, at low temperatures or at elevated temperatures. NOTE Once this document is published in the Official Journal of the European Union (OJEU) under Directive 2014\/68\/EC, presumption of conformity to the Essential Safety Requirements (ESR) of Directive 2014\/68\/EC is limited to technical data of materials in this document and does not presume adequacy of the material to a specific item of equipment. Consequently, the assessment of the technical data stated in this material standard against the design requirements of this specific item of equipment to verify that the ESRs of the Pressure Equipment Directive are satisfied will be done by the designer or manufacturer of the pressure equipment, taking also into account the subsequent manufacturing processes which could affect properties of the base materials.<\/p>\n
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| 2<\/td>\n | undefined <\/td>\n<\/tr>\n | ||||||
| 10<\/td>\n | 1 Scope 2 Normative references <\/td>\n<\/tr>\n | ||||||
| 12<\/td>\n | 3 Terms and definitions 4 Symbols 5 Classification and designation 5.1 Classification 5.2 Designation <\/td>\n<\/tr>\n | ||||||
| 13<\/td>\n | 6 Information to be supplied by the purchaser 6.1 Mandatory information 6.2 Options <\/td>\n<\/tr>\n | ||||||
| 14<\/td>\n | 6.3 Examples of an order 6.3.1 Example 1 6.3.2 Example 2 7 Manufacturing process 7.1 Steelmaking process <\/td>\n<\/tr>\n | ||||||
| 15<\/td>\n | 7.2 Tube manufacture and delivery conditions <\/td>\n<\/tr>\n | ||||||
| 16<\/td>\n | 8 Requirements 8.1 General 8.2 Chemical composition 8.2.1 Cast analysis 8.2.2 Product analysis <\/td>\n<\/tr>\n | ||||||
| 22<\/td>\n | 8.3 Mechanical properties 8.3.1 At room temperature 8.3.2 At elevated temperature 8.3.2.1 Proof strength 8.3.2.2 Creep rupture strength 8.3.3 At low temperature <\/td>\n<\/tr>\n | ||||||
| 31<\/td>\n | 8.4 Corrosion resistance 8.5 Appearance and soundness 8.5.1 Appearance 8.5.2 Soundness 8.5.2.1 Leak-tightness <\/td>\n<\/tr>\n | ||||||
| 32<\/td>\n | 8.5.2.2 Non-destructive testing 8.6 Straightness 8.7 Preparation of ends <\/td>\n<\/tr>\n | ||||||
| 33<\/td>\n | 8.8 Dimensions, masses and tolerances 8.8.1 Outside diameter and wall thickness 8.8.2 Mass 8.8.3 Lengths 8.8.4 Tolerances 8.8.4.1 Tolerances on outside diameter and wall thickness <\/td>\n<\/tr>\n | ||||||
| 34<\/td>\n | 8.8.4.2 Tolerance on exact lengths 9 Inspection 9.1 Type of inspection 9.2 Inspection documents 9.2.1 Types of inspection documents <\/td>\n<\/tr>\n | ||||||
| 35<\/td>\n | 9.2.2 Content of inspection documents 9.3 Summary of inspection and verification testing 10 Sampling 10.1 Test unit <\/td>\n<\/tr>\n | ||||||
| 37<\/td>\n | 10.2 Preparation of samples and test pieces 10.2.1 Selection and preparation of samples for product analysis 10.2.2 Location, orientation and preparation of samples and test pieces for mechanical tests 10.2.2.1 General 10.2.2.2 Test pieces for tensile test 10.2.2.3 Test pieces for flattening, ring tensile, drift expanding and ring expanding tests 10.2.2.4 Test pieces for impact test <\/td>\n<\/tr>\n | ||||||
| 38<\/td>\n | 10.2.2.5 Test pieces for intergranular corrosion test 11 Verification test methods 11.1 Chemical analysis 11.2 Tensile test 11.2.1 At room temperature 11.2.2 At elevated temperature <\/td>\n<\/tr>\n | ||||||
| 39<\/td>\n | 11.3 Technological tests 11.3.1 General 11.3.2 Flattening test 11.3.3 Ring tensile test <\/td>\n<\/tr>\n | ||||||
| 40<\/td>\n | 11.3.4 Drift expanding test 11.3.5 Ring expanding test 11.4 Impact test <\/td>\n<\/tr>\n | ||||||
| 41<\/td>\n | 11.5 Intergranular corrosion test 11.6 Leak tightness test 11.6.1 Hydrostatic test <\/td>\n<\/tr>\n | ||||||
| 42<\/td>\n | 11.6.2 Eddy current test 11.6.3 Ultrasonic test 11.7 Dimensional inspection 11.8 Visual examination 11.9 Non-destructive testing 11.10 Material identification 11.11 Retests, sorting and reprocessing <\/td>\n<\/tr>\n | ||||||
| 43<\/td>\n | 12 Marking 12.1 Marking to be applied 12.2 Additional marking 13 Handling and packaging <\/td>\n<\/tr>\n | ||||||
| 44<\/td>\n | Annex A (informative)Reference data of strength values for creep rupture of austenitic steels in the solution annealed condition <\/td>\n<\/tr>\n | ||||||
| 50<\/td>\n | Annex ZA (informative)Relationship between this European Standard and the Essential Requirements of Directive 2014\/68\/EU aimed to be covered <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" Seamless steel tubes for pressure purposes. Technical delivery conditions – Stainless steel tubes<\/b><\/p>\n |