DIN 17741-2002 Wrought nickel alloys low alloyed - Chemical composition《精制镍合金和低合金 化学成分》.pdf

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1、ICS 77.120.40Niedriglegierte Nickelknetlegierungen 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 17741 : 2002-09English price group 05 Sales No. 00

2、0503.03DEUTSCHE NORM September 200217741 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-Sprachen

3、dienst.In case of doubt, the German-language original should be consulted as the authoritative text.Low-alloy wrought nickel alloysChemical compositionContinued on pages 2 and 3.SupersedesFebruary 1983 edition.ForewordThis standard has been prepared by the Normenausschuss Nichteisenmetalle (Nonferro

4、us Metals StandardsCommittee), Technical Committee Nickelwerkstoffe.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 composit

5、ion being updated), grades NiMn1C and NiCr2MnSi nickel have been included andgrades Ni99,4Fe and NiMn3Al have been dropped.Previous editionsDIN 1727: 1944-01; DIN 17741: 1963-06, 1973-01, 1983-02.1 ScopeThis standard specifies the chemical composition of low-alloy wrought nickel alloys as used for s

6、emi-finished products, with alloying elements not exceeding 5% (m/m), and provides information about theforms normally supplied.ContentsPage1 Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Normative references . . . . . . . .

7、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 Designation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Chemical composition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

8、Forms supplied . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 Chemical analysis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 Rounding of results . . . . . . . . . . . . . . . . . . . . . . . . . . .

9、 . . . . . . . . . . . . . . . . . . 3Other relevant standards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3Page 2DIN 17741 : 2002-092 Normative referencesThis standard incorporates, by dated or undated reference, provisions from other publications. These no

10、rma-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 revisions of any of these publications apply to thisstandard only when incorporated in it by amendment or revision. For undated re

11、ferences, the latest edition ofthe publication referred to applies.DIN 17750 Nickel and wrought nickel alloy sheet, plate and strip Requirements and testingDIN 17752 Nickel and wrought nickel alloy bars and rod Requirements and testingDIN 17753 Nickel and wrought nickel alloy wire Requirements and t

12、estingISO 31-0 : 1992 Quantities and units Part 0: General principles3 DesignationLow-alloy wrought nickel alloys shall be designated using either the name of the grade or its material number.EXAMPLE:Designation of a grade NiMn1 nickel alloy (material number: 2.4106):Nickel DIN 17741 NiMn1orNickel D

13、IN 17741 2.41064 Chemical compositionThe chemical composition of low-alloy wrought nickel alloys shall be as specified in table 1.Table 1: Chemical composition of wrought nickel1) The cobalt content shall not exceed 1%.2) For information only.Nickel gradeNameMaterialnumberPercentages by massApprox.d

14、ensitying/cm32)Min.Max.Min.Max.Min.Max.Min.Max.Min.Max.5 Forms suppliedLow-alloy wrought nickel alloys may be supplied in the forms specified in table 2, with the semi-finishedproducts conforming to DIN 17750 (sheet, plate and strip), DIN 17752 (bars and rod), or DIN 17753 (wire).1)Page 3DIN 17741 :

15、 2002-09Table 2: Forms of nickel alloys suppliedNickel gradeNameMaterialnumberApplicationProduct formStripSheet,plateBars,rodWireElectroacoustic componentsWater meter componentsFilament lamp or electron tubecomponents, spark plugsHigh-temperature componentsSpark plug electrode materialsNOTE: There a

16、re 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 chemical composition shall be at the manufacturers discretion. Incases of doubt, the latest meth

17、od 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) shall be based onAnnex B of ISO 31-0. Rounding shall be carried out in a single stage to the same n

18、umber 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 deleted;b) if the figure after the last decimal place to which the value is to be expressed is 5 o

19、r higher, the figure isto be deleted and the last decimal place shall be increased by 1.Other relevant standardsDIN 17740 Wrought nickel 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