DIN17223-Part1新版标准规范

UDC669.14.018.27426.2:62-272:620.1DEUTSCHE NORMDecember 1984Round steel wire for springs瓜Patented cold drawn,carbon steel wire for springs17223Technical delivery conditionsPart 1Runder Federstahldraht;patentiert-gezogener Federdraht aus unlegierten Stahlen;Supersedestechnische LieferbedingungenMarch 1964 editionIn keeping with current practice in standards published by the International Organization for Standardization (ISO),a comma has been used throughout as the decimal marker.See Explanatory notes for connection with international documents.Subclauses marked with a dotgive specifications which are optional and may be agreed upon at the time of ordering.1 Field of applicationgrade C in nominal size range from 2,00 to 20,00 mm:1.1 This standard applies to patented cold drawn roundgrade D in nominal size range from 0,07 to 20.00 mm.carbon steel wire.normally used for helical springsWire grades A,B,C and D are distinguished on the basis(tension,compression and torsion springs),spring washersof their mechanical properties;for grade D,in additionand other wire springsparticular requirements relating to the surface conditionNote.Experience suggests that reference is made to thishave been specified.Information on the use of thestandard also for ordering patented cold drawnvarious grades is given in clause 7 and table 6.wire for springs,of non-circular cross section,Note.During the discussions on this standard,themade of rods straightened and cut to length frommanufacturers stated that they were preparedspring wire and for ordering surface-treated (forto continue to supply wire grade II specified inexample galvanized or tinned)spring wire.Inthe March 1964 edition of this standard with-such cases,it should be noted that the mechanicaldrawn in 1984,for a transition period.properties,the accuracy to size and surfacefinishes specified in this standard do not applyto such products and hence should be separately4 Designationagreed.4.1 For products conforming to this standard,the1.2 This standard does not apply to:standard designation shall give in the following order:quenched and tempered spring wire and quenched andthe term (wire):tempered valve spring wire (see DIN 17 223 Part 2):the number of the dimensional standard(DIN 2076);stainless steel spring wire (see DIN 17 224);the letter symbol identifying wire grade A,B,C or Dheat-resisting steel spring wire(see DIN 17225).(see tables 1 and 3)and1.3 In addition to the specifications given in thisthe required nominal diameter,selected from table 3.standard,unless otherwise stated below,the generalExample:technical delivery conditions for steel and steel productsStandard designation of a steel spring wire withspecified in DIN 17 010 shall also apply.a nominal diameter of 2.5 mm,of wire grade A,conforming to DIN 17 223 Part 1:2 ConceptWire DIN 2076-A-2,5As described in DIN 17 014 Part 1,patenting is under4.2 The designation to be used on ordering shall,instood to mean a heat treatment consisting of austenizaaddit