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DIN244881■27944460009502T■UDc621.643.2-462.3-034.1+DEUTSCHE NORMFebruary 1981Seamless Steel Pipes and TubesDINDimensions,Conventional Masses per Unit Length2448Nahtlose Stahlrohre;Masse,langenbezogene MassenAs it is current practice in standards published by the International Organization for Standardization (ISO),the commahas.been used throughout as a decimal marker.1 ScopeWhen ordering pipes according to this Standard,theThis Standard applies to the dimensions and the conven-corresponding clements of an order code must beextracted from the particular technical condition ofNtional masses per unit length of seamless steel pipesdelivery,e.g.:号according to the technical conditions of delivery asstipulated in DIN 1629 Part 1 to Part 4,DIN 17 172 andquantity ordered,DiiN17175.stondard designation,It also applies to other technical conditions of deliverytechnical condition of delivery,In which reference to this Standard is made.material test certificate,It defines that sector,selected from DIN ISO 4200,internal and/or exteral protection,etc.within which seamless steel pipes are standardized.The order code for 1000 m of seamless steel pipesIt does not apply to precision steel tubes according toaccording to this Standard made of St 35,having anD1N2391.outside diameter of pipe of 273 mm and a wall thicknessof 6,3 mm and according to the technical condition of2 Other relevant standardsdelivery as specified in DIN 1629 Part 3,to be suppliedDIN ISO 4200Seamless and welded steel tubes;with acceptance test certificate 3.1 B according togeneral table of dimensions andDIN 50049,is:conventional masses per unit length1000 m of pipe D1N2448-St35-273×6,3-DIN 1629 Part 1Seamless tubes in unalloyed steelsDIN 1629 Part 3-3.1 Bfor supply purposes,process plantand tanks;survey,technical4conditions of delivery,general dataDimensionsDIN1629 Part 2Seamless tubes in unalloyed steelIn the table of dimensions and conventional massesfor supply purposes,process plant(weights)per unit length,the outside diameters of pipesand tanks;tubes of commercialare arranged in three series in accordance withquality;technical conditions ofDIN ISO 4200,these being defined as follows:deliverySeries 1:Pipes with outside diameters in respect of whichDIN 1629 Part 3Seamless tubes in unalloyed steelsall the accessories required for the constructionfor supply purposes,process plantof a pipeline c.g.,mouldings for welding,flangos,and tanks;tubes with qualityflange mouldings,are standardized or shall bespecifications,technical conditionsstandardized.of deliverySeries 2:Pipes with outside diameters in respect of whichDIN 1629 Part 4Seamless tubes in unalloyed steelsa major proportion of the accessories are stand-for supply purposes,process plantardized,but not all.and tanks;tubes with specialSeries 3:Pipes with outside diameters for special fieldsquality specifications,technicalof application,in respect of which there areconditions of deliverygenerally no standardized accessories;in theDIN17172Steel p
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