標準號：BS EN 10253-3-2008
中文標準名稱：對焊管接頭.無特殊檢驗要求的鍛制奧氏體和奧氏體-鐵素體(二相)不銹鋼
英文標準名稱：Butt-welding pipe fittings - Part 3: Wrought austenitic and austenitic-ferritic (duplex) stainless steels without specific inspection requirements
標準類型：H40
發布日期：2008/12/31 12:00:00
實施日期：2008/12/31 12:00:00
中國標準分類號：H40
國際標準分類號：23.040.40;77.140.20
引用標準：EN 287-1;EN ISO 15609-1;EN 910;EN 1418;EN 10002-1;EN 10002-5;EN 10020-2000;EN 10021-2006;EN 10027-1;EN 10027-2;EN 10028-7;EN 10052;EN 10079-2007;EN 10088-2;EN 10088-3;EN 10168;EN 10204;EN 10216-5;EN 10217-7;EN ISO 8493;EN ISO 8495;EN 10266;EN 10272;EN 102
適用范圍：1.1 This part of EN 10253 specifies the technical delivery requirements for seamless and welded buttweldingfittings (elbows, concentric and eccentric reducers, equal and reducing tees, caps) made of austeniticand austenitic–ferritic (duplex) stainless steel without specific inspection requirements.It specifies:? steel grades;? mechanical properties;? dimensions and tolerances;? requirements for inspection and testing;? inspection documents;? marking;? handling and packaging.1.2 Limitation of useThe allowed pressures and temperatures are the responsibility of the customer according to the state of theart and in application of the safety coefficients in the application regulations, codes and standards.In common, joint coefficient is used in the calculation of the thicknesses of components which include one orseveral butt welds, other than circumferential:? for equipment subject to random non-destructive testing: 0,85;? for equipment not subject to non-destructive testing other than visual inspection: 0,7.1.3 Unless otherwise specified in this part of EN 10253 the general technical delivery requirements inEN 100021 apply.