ASTM B574-2010 Specification for Low-Carbon Nickel-Chromium-Molybdenum Low-Carbon Nickel-Molybdenum-Chromium Low-Carbon Nickel-Molybdenum-Chromium-Tantalum Low-Carbon Nickel-Chromi.pdf

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1、Designation: B574 10Standard Specification forLow-Carbon Nickel-Chromium-Molybdenum, Low-CarbonNickel-Molybdenum-Chromium, Low-Carbon Nickel-Molybdenum-Chromium-Tantalum, Low-Carbon Nickel-Chromium-Molybdenum-Copper, and Low-Carbon Nickel-Chromium-Molybdenum-Tungsten Alloy Rod1This standard is issue

2、d under the fixed designation B574; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change sin

3、ce the last revision or reapproval.This standard has been approved for use by agencies of the Department of Defense.1. Scope*1.1 This specification2covers rod of low-carbon nickel-chromium-molybdenum alloys (UNS N10276, N06022,N06035, N06455, N06058, and N06059)*, low-carbon nickel-molybdenum-chromi

4、um (USN N10362), low-carbon nickel-molybdenum-chromium-tantalum (UNS N06210), low-carbonnickel-chromium-molybdenum-copper alloy (UNS N06200),and low-carbon nickel-chromium-molybdenum-tungsten(UNS N06686) as shown in Table 1, for use in generalcorrosive service.1.2 The following products are covered

5、under this specifi-cation:1.2.1 Rods516 to34 in. (7.94 to 19.05 mm), exclusive, indiameter, hot or cold finished, solution annealed and pickled, ormechanically descaled.1.2.2 Rods34 to 312 in. (19.05 to 88.9 mm), inclusive, indiameter, hot or cold finished, solution annealed, ground orturned.1.2.3 R

6、ods14 to 312 in. (6.35 to 88.9 mm), inclusive, indiameter, solution annealed, cold finished, as cold finished,ground or turned (N06059 and N06686 only, see Table 2 andTable 3).1.3 The values stated in inch-pound units are to be regardedas standard. The values given in parentheses are mathematicalcon

7、versions to SI units that are provided for information onlyand are not considered standard.1.4 This standard does not purport to address all of thesafety concerns, if any, associated with its use. It is theresponsibility of the user of this standard to become familiarwith all hazards including those

8、 identified in the appropriateMaterial Safety Data Sheet (MSDS) for this product/materialas provided by the manufacturer, to establish appropriatesafety and health practices, and determine the applicability ofregulatory limitations prior to use.2. Referenced Documents2.1 ASTM Standards:3B880 Specifi

9、cation for General Requirements for ChemicalCheck Analysis Limits for Nickel, Nickel Alloys andCobalt AlloysE8 Test Methods for Tension Testing of Metallic MaterialsE29 Practice for Using Significant Digits in Test Data toDetermine Conformance with SpecificationsE55 Practice for Sampling Wrought Non

10、ferrous Metals andAlloys for Determination of Chemical CompositionE527 Practice for Numbering Metals and Alloys in theUnified Numbering System (UNS)E1473 Test Methods for Chemical Analysis of Nickel,Cobalt, and High-Temperature Alloys3. Terminology3.1 Definitions of Terms Specific to This Standard:3

11、.1.1 rod, na product of round solid section furnished instraight lengths.4. Ordering Information4.1 It is the responsibility of the purchaser to specify allrequirements that are necessary for material ordered under thisspecification. Examples of such requirements include, but arenot limited to the f

12、ollowing:4.1.1 AlloyTable 1.1This specification is under the jurisdiction of ASTM Committee B02 onNonferrous Metals and Alloys and is the direct responsibility of SubcommitteeB02.07 on Refined Nickel and Cobalt and Their Alloys.Current edition approved Oct. 1, 2010. Published October 2010. Originall

13、yapproved in 1972. Last previous edition approved in 2006 as B574 061. DOI:10.1520/B0574-10.2For ASME Boiler and Pressure Vessel Code applications see related Specifi-cation SB-574 in Section II of that Code.* New designation established in accordance with Practice E527 and SAE J1086,Practice for Nu

14、mbering Metals and Alloys (UNS).3For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.1*A Summary of Changes sectio

15、n appears at the end of this standard.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.TABLE 1 Chemical RequirementsElementComposition Limits, %AlloyN06035AlloyN10276AlloyN06022AlloyN06455AlloyN06059AlloyN06058AlloyN06200AlloyN10362All

16、oyN06210AlloyN06686Molybdenum 7.609.00 15.017.0 12.514.5 14.017.0 15.016.5 19.0 - 21.0 15.017.0 21.5-23.0 18.020.0 15.0-17.0Chromium 32.2534.25 14.516.5 20.022.5 14.018.0 22.024.0 20.0- 23.0 22.024.0 13.8-15.6 18.020.0 19.0-23.0Iron 2.00 max 4.07.0 2.06.0 3.0 max 1.5, max 1.5, max 3.0 max 1.25 max 1

17、.0 max 5.0 maxTungsten 0.60 max 3.04.5 2.53.5 . . 0.3 max . . . 3.0-4.4Cobalt, max 1.00 2.5 2.5 2.0 0.3 0.3 max 2.0 max . 1.0 .Carbon, max 0.050 0.010 0.015 0.015 0.010 0.010 0.010 0.010 0.015 0.010Silicon, max 0.60 0.08 0.08 0.08 0.10 0.10 0.08 0.08 0.08 0.08Manganese, max 0.50 1.0 0.50 1.0 0.5 0.5

18、 0.5 0.60 0.5 0.75Vanadium, max 0.20 0.35 0.35 . . . . . 0.35 .Phosphorus, max 0.030 0.04 0.02 0.04 0.015 0.015 0.025 0.025 0.02 0.04Sulfur, max 0.015 0.03 0.02 0.03 0.010 0.010 0.010 0.010 0.02 0.02Titanium . . . 0.7 max . . . . . 0.02-0.25Nickel remainderAremainderAremainderAremainderABal Bal rema

19、inderAremainderAremainderAremainderAAluminum 0.40 max . . . 0.10.4 0.40 max 0.50 max 0.50 max . .Copper 0.30 max . . . 0.50 max 0.50 max 1.31.9 . . .Tantalum . . . . . . . . 1.52.2 .ASee 12.1.1.B5741024.1.2 DimensionsNominal diameter and length. Theshortest usable multiple length should be specified

20、 (Table 4).4.1.3 CertificationState if certification or a report of testresults is required (Section 15).4.1.4 Purchaser InspectionState which tests or inspec-tions are to be witnessed (Section 13).4.1.5 Samples for Product (Check) AnalysisState whethersamples should be furnished (9.2.2).5. Chemical

21、 Composition5.1 The material shall conform to the composition limitsspecified in Table 1.5.2 If a product (check) analysis is made by the purchaser,the material shall conform to the product (check) analysisvariations per Specification B880.6. Mechanical Properties and Other Requirements6.1 The mecha

22、nical properties of the material at roomtemperature shall conform to those shown in Table 3 andTable 5.7. Dimensions and Permissible Variations7.1 DiameterThe permissible variations from the speci-fied diameter shall be as prescribed in Table 2 and Table 4.TABLE 2 Permissible Variations in Diameter

23、and Out-of-Roundness of As Cold Finished RodsSpecified Diameter, in. (mm)Permissible Variations, in. (mm)DiameterOut of Roundness, max+14 716 (6.3511.11), incl 0.012 (0.30) 0.012 (0.30) 0.018 (0.46)Over716 58 (11.1115.87), incl 0.014 (0.36) 0.014 (0.36) 0.020 (0.51)Over58 34 (15.8719.05), excl 0.016

24、 (0.41) 0.016 (0.41) 0.024 (0.61)34 312 (19.0588.9), incl 0.010 (0.25) 0.010 (0.25) 0.010 (0.25)TABLE 3 Mechanical Property Requirements for As Cold Finished RodsAlloy Grade Tensile Strength, min, psi (MPa)Yield Strength (0.2 % Offset), min, psi(MPa)Elongation in 2 in.(50.8 mm) or 4DAmin, %N06059 1

25、120 (827) 85 (586) 202 135 (931) 125 (862) 203 160 (1103) 150 (1034) 15N06686 1 120 (827) 85 (586) 202 135 (931) 125 (862) 203 160 (1103) 150 (1034) 20AD refers to the diameter of the tension specimen.TABLE 4 Permissible Variations in Diameter and Out-of-Roundness of Hot or Cold Finished, Solution A

26、nnealed RodsSpecified Diameter, in. (mm)Permissible Variations, in. (mm)DiameterOut of Roundness, max+516 Hot-Finished, Annealed, and Descaled Rods516 716 (7.9411.11), incl 0.012 (0.30) 0.012 (0.30) 0.018 (0.46)Over716 58 (11.1115.87), incl 0.014 (0.36) 0.014 (0.36) 0.020 (0.51)Over58 34 (15.8719.05

27、), excl 0.016 (0.41) 0.016 (0.41) 0.024 (0.61)Hot-Finished, Annealed, and Ground or Turned Rods34 312 (19.0588.9), incl 0.010 (0.25) 0 0.008 (0.20)TABLE 5 Mechanical Property Requirements for Hot or Cold Finished, Solution Annealed RodsAlloy Tensile Strength, min, psi (MPa)Yield Strength (0.2 % Offs

28、et), min, psi(MPa)Elongation in 2 in.(50.8 mm) or 4DAmin, %N10276 100 000 (690) 41 000 (283) 40N06022 100 000 (690) 45 000 (310) 45N06035 85 000 (586) 35 000 (241) 30N06455 100 000 (690) 40 000 (276) 40N06058 110 000 (760) 52 000 (360) 40N06059 100 000 (690) 45 000 (310) 45N06200 100 000 (690) 45 00

29、0 (310) 45N10362 105 000 (725) 45 000 (310) 40N06686 100 000 (690) 45 000 (310) 45N06210 100 000 (690) 45 000 (310) 45AD refers to the diameter of the tension specimen.B574 1037.2 Out of RoundnessThe permissible variation in round-ness shall be as prescribed in Table 2 and Table 4.7.3 Machining Allo

30、wancesWhen the surfaces of finishedmaterial are to be machined, the following allowances aresuggested for normal machining operations.7.3.1 As-finished (Annealed and Descaled)For diametersof516 to1116 in. (7.94 to 17.46 mm) inclusive, an allowance of116 in. (1.59 mm) on the diameter should be made f

31、or finishmachining.7.4 Length:7.4.1 Unless multiple, nominal, or cut lengths are specified,random mill lengths shall be furnished.7.4.2 The permissible variations in length of multiple,nominal, or cut length rod shall be as prescribed in Table 6.Where rods are ordered in multiple lengths, a14-in. (6

32、.35-mm)length addition shall be allowed for each uncut multiple length.7.5 Ends:7.5.1 Rods ordered to random or nominal lengths shall befurnished with either cropped or sawed ends.7.5.2 Rods ordered to cut lengths shall be furnished withsquare sawcut or machined ends.7.6 WeightFor calculations of ma

33、ss or weight, the follow-ing densities shall be used:Alloy Densitylb/in.3g/cm3N10276 0.321 8.87N06022 0.314 8.69N06035 0.296 8.18N06455 0.312 8.64N06058 0.318 8.80N06059 0.311 8.60N06200 0.307 8.50N10362 0.319 8.83N06686 0.315 8.73N06210 0.316 8.767.7 Straightness The maximum curvature (depth ofchor

34、d) shall not exceed 0.050 in. multiplied by the length of thechord in feet (0.04 mm multiplied by the length in centimetres).8. Workmanship, Finish and Appearance8.1 The material shall be uniform in quality and condition,smooth, and free of injurious imperfections.9. Sampling9.1 Lots for Chemical An

35、alysis and Mechanical Testing:9.1.1 A lot for chemical analysis shall consist of one heat.9.1.2 A lot of bar for mechanical testing shall be defined asthe material from one heat in the same condition and specifieddiameter.9.2 Sampling for Chemical Analysis:9.2.1 A representative sample shall be obta

36、ined from eachheat during pouring or subsequent processing.9.2.2 Product (check) analysis shall be wholly the respon-sibility of the purchaser.9.3 Sampling for Mechanical TestingA representativesample shall be taken from each lot of finished material.10. Number of Tests and Retests10.1 Chemical Anal

37、ysisOne test per heat.10.2 Tension TestsOne test per lot.10.3 RetestsIf the specimen used in the mechanical test ofany lot fails to meet the specified requirements, two additionalspecimens shall be taken from different sample pieces andtested. The results of the tests on both of these specimens shal

38、lmeet the specified requirements.11. Specimen Preparation11.1 Tension test specimens shall be taken from materialafter final heat-treatment and tested in the direction of fabri-cation.11.2 Tension test specimens shall be any of the standard orsubsized specimens shown in Test Methods E8.11.3 In the e

39、vent of disagreement, the referee specimenshall be the largest possible round specimen shown in TestMethods E8.12. Test Methods12.1 The chemical composition and mechanical propertiesof the material as enumerated in this specification shall bedetermined, in case of disagreement, in accordance with th

40、efollowing ASTM methods:12.1.1 Chemical AnalysisTest Methods E1473, For ele-ments not covered by Test Methods E1473, the referee methodshall be as agreed upon between the manufacturer and thepurchaser. The nickel composition shall be determined arith-metically by difference.12.1.2 Tension TestTest M

41、ethods E8.12.1.3 Method of SamplingPractice E55.12.1.4 Determining Significant PlacesPractice E29.12.2 For purposes of determining compliance with thelimits in this specification, an observed value or a calculatedvalue shall be rounded in accordance with the rounding methodof Practice E29:Requiremen

42、ts Rounded Unit for Observed orCalculated ValueChemical composition andtolerancesnearest unit in the last right-hand place offigures of the specified limitTensile strength and yieldstrengthnearest 1000 psi (7 MPa)Elongation nearest 1 %13. Inspection13.1 Inspection of the material shall be made as ag

43、reed uponby the manufacturer and the purchaser as part of the purchasecontract.TABLE 6 Permissible Variations in Length of RodsRandom mill lengths 2 to 12 ft (610 to 3660 mm) long with not morethan 25 weight % under 4 ft (1.22 m).Multiple lengths Furnished in multiples of a specified unit length, wi

44、thinthe length limits indicated above. Foreach multiple, an allowance of14 in. (6.35mm) shall be made for cutting, unlessotherwise specified. At the manufacturersoption, individual specified unit lengths may befurnished.Nominal lengths Specified nominal lengths having a range of notless than 2 ft (6

45、10 mm) with no short lengthsallowed.Cut lengths A specified length to which all rods shall be cutwith a permissible variation of 618 in. (3.17mm) 0.B574 10414. Rejection and Rehearing14.1 Material that fails to conform to the requirements ofthis specification may be rejected. Rejection should be rep

46、ortedto the producer or supplier promptly and in writing. In case ofdissatisfaction with the results of the test, the producer orsupplier may make claim for a rehearing.15. Certification15.1 When specified in the purchase order or contract, amanufacturers certification shall be furnished to the purc

47、haserstating that material has been manufactured, tested, and in-spected in accordance with this specification, and that the testresults on representative samples meet specification require-ments. When specified in the purchase order or contract, areport of the test results shall be furnished.16. Pr

48、oduct Marking16.1 Each piece of material12 in. (12.7 mm) and over indiameter shall be marked with the specification number, alloy,heat number, manufacturers identification, and size. Themarkings shall have no deleterious effect on the material or itsperformance and shall be sufficiently stable to wi

49、thstandnormal handling.16.2 Each bundle or shipping container shall be markedwith the name of the material; this specification number; alloy;the size; gross, tare and net weight; consignor and consigneeaddress; contract or order number; and such other informationas may be defined in the contract or order.17. Keywords17.1 N06022; N06035; N06058; N06059; N06200;N06210; N06455; N06686; N10276; N10362; rodAPPENDIX(Nonmandatory Information)X1. HEAT TREATMENTX1.1 Proper heat treatment during