DIN 17740-2002 Wrought nickel - Chemical composition《精制镍 化学成分》.pdf

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1、ICS 77.150.40Nickel in Halbzeug ZusammensetzungIn keeping with current practice in standards published by the International Organization for Standardization(ISO), a comma has been used throughout as the decimal marker.Ref. No. DIN 17740 : 2002-09English price group 05 Sales No. 000503.03DEUTSCHE NOR

2、M September 200217740 No part of this translation may be reproduced without the prior permission ofDIN Deutsches Institut fr Normung e.V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).Translation by DIN-Sprachendienst.In case of d

3、oubt, the German-language original should be consulted as the authoritative text.Wrought nickelContinued on pages 2 and 3.SupersedesFebruary 1983 edition.ForewordThis standard has been prepared by the Normenausschuss Nichteisenmetalle (Nonferrous Metals StandardsCommittee), Technical Committee Nicke

4、lwerkstoffe.See Other relevant standards for further standards covering the composition of nickel alloys.AmendmentsThis standard differs from the February 1983 edition in that it has been revised in form and substance (withthe chemical composition being updated) and grade Ni99,7Mg nickel has been dr

5、opped.Previous editionsDIN 1727: 1944-01; DIN 17740: 1963-06, 1973-01, 1974-12, 1983-02.1 ScopeThis standard specifies the chemical composition of wrought nickel as used for semi-finished products andprovides information about the forms normally supplied.ContentsPage1 Scope . . . . . . . . . . . . .

6、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Normative references . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 Designation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

7、. . . . . . . 24 Chemical composition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 Forms supplied . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 Chemical analysis . . . . . . . . . . . . . . . . . . . . .

8、 . . . . . . . . . . . . . . . . . . . . . . . . . 37 Rounding of results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3Other relevant standards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3Page 2DIN 17740 : 2002-

9、092 Normative referencesThis standard incorporates, by dated or undated reference, provisions from other publications. These norma-tive references are cited at the appropriate places in the text and the titles of the publications are listed below.For dated references, subsequent amendments to or rev

10、isions of any of these publications apply to thisstandard only when incorporated in it by amendment or revision. For undated references, the latest edition ofthe publication referred to applies.DIN 17750 Nickel and wrought nickel alloy sheet, plate and strip Requirements and testingDIN 17751 Nickel

11、and wrought nickel alloy pipes and tubes Requirements and testingDIN 17752 Nickel and wrought nickel alloy bars and rod Requirements and testingDIN 17753 Nickel and wrought nickel alloy wire Requirements and testingISO 31-0 : 1992 Quantities and units Part 0: General principles3 DesignationWrought n

12、ickel shall be designated using either the name of the grade or its material number.EXAMPLE:Designation of grade Ni99,6 nickel (material number: 2.4060):Nickel DIN 17740 Ni99,6orNickel DIN 17740 2.40604 Chemical compositionThe chemical composition of wrought nickel shall be as specified in table 1.T

13、able 1: Chemical composition of wrought nickel1) The cobalt content shall not exceed 1%.2) For information only.Nickel gradeNameMaterialnumberPercentages by massApprox.densitying/cm32)Min.Max.Min.Max.Min.Max.Min.Max.5 Forms suppliedWrought nickel may be supplied in the forms specified in table 2, wi

14、th the semi-finished products conformingto DIN 17750 (sheet, plate and strip), DIN 17751 (pipes and tubes), DIN 17752 (bars and rod), or DIN 17753(wire).1)Page 3DIN 17740 : 2002-09Table 2: Forms of nickel suppliedNickel gradeNameMaterialnumberApplicationProduct formStripSheet,platePipes,tubesBars,ro

15、dWire ForgingsCorrosion-resistantcomponents,filament lamp orelectron tubecomponentsNOTE: There are no DIN Standards specifying the products marked (X). The properties of products marked Xare dealt with in the standards given in clause 5.6 Chemical analysisThe analytical method used to establish the

16、chemical composition shall be at the manufacturers discretion. Incases of doubt, the latest method is to be used.When expressing the result, the rules given in clause 7 are to be followed.7 Rounding of resultsRounding of results obtained from the chemical analysis (by measurement or calculation) sha

17、ll be based onAnnex B of ISO 31-0. Rounding shall be carried out in a single stage to the same number of places as is givenin table 1.The following rules are to be complied with:a) if the figure after the last decimal place to which the value is to be expressed is less than 5, this figureshall be de

18、leted;b) if the figure after the last decimal place to which the value is to be expressed is 5 or higher, the figure isto be deleted and the last decimal place shall be increased by 1.Other relevant standardsDIN 17741 Low-alloy wrought nickel alloys Chemical compositionDIN 17742 Wrought nickel-chromium alloys Chemical compositionDIN 17743 Wrought nickel-copper alloys Chemical compositionDIN 17744 Wrought nickel-chromium-molybdenum alloys Chemical compositionDIN 17745 Wrought nickel-iron alloys Chemical composition