EN_10228-3_UT参考标准规范

En10228-31998.5版EUROPEAN STANDARD欧洲标准EN10228-3May 19981998年5月1CS77.040.20:77.140.85Descriptors Forng steels non-destrutive tests feritic steels martensitic steels tests sufacecoiinpectionaeptabilitya邮yda安es描述符：锻造件，钢制件，非破坏性试验，铁素体钢，马氏体钢，超声波试验，表面条件，检测，可接受性，质量等级English version英文版本Non-destructive testing of steel forgings-Part 3:Ultrasonic testingof ferritic or martensitic steel forgings钢锻件的非破坏性试验·第3部分：铁素体或马氏体钢锻件的超声波试验This European Standard was approved by CEN on 21 December 1997.本欧洲标准是于1997年12月21日由CEN通过的。CEN members are bound to comply with the CEN/CENELEC Intemal Regulationswhich stipulate the conditions for giving this European Standard the status of anational standard without any alteration.Up-to-date lists and bibliographicalreferences conceming such national standards may be obtained on application tothe Central Secretariat or to any CEN member.CEN成员国必须遵照规定给出没有变更的国家标准资质的欧洲标准条件的CEN/CENELEC的内部规定。有关这样的国家标准的最新的清单和书目参考，通过向中央书记处或CEN成员国申请可以得到。This European Standard exists in three official versions (English,French,German).A version in any other language made by translation under the responsibility of aCEN member tnto its own language and notified to the Central Secretariat has thesame status as the official versions本欧洲标准有三种正式版本（英语，法语和德语）根据一个CEN成员国的责任，任何其他语言版本翻译成自己国家语言并通知中央书记处，具有与正式版本同样的资质。CEN members are the national standards bodies of Austria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg.Netherlands,Norway,Portugal,Spain,Sweden,Switzerland andUnited Kingdom.CEN成员国的国家标准成员包括：奥地利，比利时，捷克共和国，丹麦，芬兰，德国，希腊，芬兰，爱尔兰，意大利，卢森堡，荷兰，挪威，葡萄牙，西班牙，瑞典，瑞士和英国