1、Designation: B574 15B574 17Standard 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 i
2、s issued 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 cha
3、nge since the last revision or reapproval.This standard has been approved for use by agencies of the U.S. Department of Defense.1. Scope*1.1 This specification2 covers rod of low-carbon nickel-chromium-molybdenum alloys (UNS N10276, N06022, N06035,N06044, N06455, N06058, and N06059)*,N06059), low-ca
4、rbon nickel-molybdenum-chromium (USN N10362), low-carbonnickel-molybdenum-chromium-tantalum (UNS N06210), low-carbon nickel-chromium-molybdenum-copper alloy (UNSN06200), and low-carbon nickel-chromium-molybdenum-tungsten (UNS N06686) as shown in Table 1, for use in generalcorrosive service.1.2 The f
5、ollowing products are covered under this specification:1.2.1 Rods 516 to 34 in. (7.94 to 19.05 mm), exclusive, in diameter, hot or cold finished, solution annealed and pickled, ormechanically descaled.1.2.2 Rods 34 to 312 in. (19.05 to 88.9 mm), inclusive, in diameter, hot or cold finished, solution
6、 annealed, ground or turned.1.2.3 Rods 14 to 3 12 in. (6.35 to 88.9 mm), inclusive, in diameter, solution annealed, cold finished, as cold finished, groundor turned (N06059 and N06686 only, see Table 2 and Table 3).1.3 The values stated in inch-pound units are to be regarded as standard. The values
7、given in parentheses are mathematicalconversions to SI units that are provided for information only and are not considered standard.1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibilityof the user of this standard to becom
8、e familiar with all hazards including those identified in the appropriate Safety Data Sheet(SDS) for this product/material as provided by the manufacturer, to establish appropriate safety and health practices, anddetermine the applicability of regulatory limitations prior to use.1.5 This internation
9、al standard was developed in accordance with internationally recognized principles on standardizationestablished in the Decision on Principles for the Development of International Standards, Guides and Recommendations issuedby the World Trade Organization Technical Barriers to Trade (TBT) Committee.
10、2. Referenced Documents2.1 ASTM Standards:3B880 Specification for General Requirements for Chemical Check Analysis Limits for Nickel, Nickel Alloys and Cobalt AlloysE8 Test Methods for Tension Testing of Metallic MaterialsE29 Practice for Using Significant Digits in Test Data to Determine Conformanc
11、e with SpecificationsE55 Practice for Sampling Wrought Nonferrous Metals and Alloys for Determination of Chemical CompositionE527 Practice for Numbering Metals and Alloys in the Unified Numbering System (UNS)1 This specification is under the jurisdiction ofASTM Committee B02 on Nonferrous Metals and
12、Alloys and is the direct responsibility of Subcommittee B02.07 on RefinedNickel and Cobalt and Their Alloys.Current edition approved Oct. 1, 2015June 1, 2017. Published November 2015June 1, 2017. Originally approved in 1972. Last previous edition approved in 20102015as B574 10.B574 15. DOI: 10.1520/
13、B0574-15.10.1520/B0574-17.2 For ASME Boiler and Pressure Vessel Code applications see related Specification SB-574 in Section II of that Code.* New designation established in accordance with Practice E527 and SAE J1086, Practice for Numbering Metals and Alloys (UNS).3 For referencedASTM standards, v
14、isit theASTM website, www.astm.org, or contactASTM Customer Service at serviceastm.org. For Annual Book of ASTM Standardsvolume information, refer to the standards Document Summary page on the ASTM website.This document is not an ASTM standard and is intended only to provide the user of an ASTM stan
15、dard an indication of what changes have been made to the previous version. Becauseit may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current versionof the standard as published by AST
16、M is to be considered the official document.*A Summary of Changes section appears at the end of this standardCopyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States1TABLE 1 Chemical RequirementsElementComposition Limits, %AlloyN06035AlloyN102
17、76N06044AlloyN10276AlloyN06022AlloyN06455AlloyN06059AlloyN06058AlloyN06200AlloyN10362AlloyN06210AlloyN06686Molybdenum 7.609.00 0.80-1.20 15.017.0 12.514.5 14.017.0 15.016.5 18.521.0 15.017.0 21.5-23.0 18.020.0 15.0-17.0Chromium 32.2534.25 43.5-45.3 14.516.5 20.022.5 14.018.0 22.024.0 20.0- 23.0 22.0
18、24.0 13.8-15.6 18.020.0 19.0-23.0Iron 2.00 max 0.3 max 4.07.0 2.06.0 3.0 max 1.5, max 1.5, max 3.0 max 1.25 max 1.0 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 0.02 0.010 0.015 0.015 0.010 0.010 0.0
19、10 0.010 0.015 0.010Silicon, max 0.60 0.20 0.08 0.08 0.08 0.10 0.10 0.08 0.08 0.08 0.08Manganese, max 0.50 0.07-0.30 1.0 0.50 1.0 0.5 0.5 0.5 0.60 0.5 0.75Vanadium, max 0.20 . 0.35 0.35 . . . . . 0.35 .Phosphorus, max 0.030 0.020 0.04 0.02 0.04 0.015 0.015 0.025 0.025 0.02 0.04Sulfur, max 0.015 0.02
20、0 0.03 0.02 0.03 0.010 0.010 0.010 0.010 0.02 0.02Titanium . 0.10-0.30 . . 0.7 max . . . . . 0.02-0.25Nickel remainderA Bal remainderA remainderA remainderA Bal Bal remainderA remainderA remainderA remainderAAluminum 0.40 max 0.30 max . . . 0.10.4 0.40 max 0.50 max 0.50 max . .Copper 0.30 max . . .
21、. 0.50 max 0.50 max 1.31.9 . . .Tantalum . . . . . . . . . 1.52.2 .Nitrogen . . . . . . 0.020.15 . . . .A See 12.1.1.B574172E1473 Test Methods for Chemical Analysis of Nickel, Cobalt and High-Temperature Alloys3. Terminology3.1 Definitions of Terms Specific to This Standard:3.1.1 rod, na product of
22、round solid section furnished in straight lengths.TABLE 2 Permissible Variations in Diameter and Out-of-Roundness of As Cold Finished RodsSpecified Diameter, in. (mm)Permissible Variations, in. (mm)Diameter Out of Roundness, max+ 14 716 (6.3511.11), incl 0.012 (0.30) 0.012 (0.30) 0.018 (0.46)Over 71
23、6 58 (11.1115.87), incl 0.014 (0.36) 0.014 (0.36) 0.020 (0.51)Over 58 34 (15.8719.05), excl 0.016 (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 (M
24、Pa) Yield Strength (0.2 % Offset), min, psi(MPa)Elongation in 2 in.(50.8 mm) or 4DAmin, %N06059 1 120 (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) 20A D refers to the diameter of the tension specimen.
25、TABLE 4 Permissible Variations in Diameter and Out-of-Roundness of Hot or Cold Finished, Solution Annealed RodsSpecified Diameter, in. (mm)Permissible Variations, in. (mm)Diameter Out of Roundness, max+ 516 Hot-Finished, Annealed, and Descaled Rods516 716 (7.9411.11), incl 0.012 (0.30) 0.012 (0.30)
26、0.018 (0.46)Over 716 58 (11.1115.87), incl 0.014 (0.36) 0.014 (0.36) 0.020 (0.51)Over 58 34 (15.8719.05), 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 o
27、r Cold Finished, Solution Annealed RodsAlloy Tensile Strength, min, psi (MPa) Yield Strength (0.2 % Offset), min, psi(MPa)Elongation in 2 in.(50.8 mm) or 4DAmin, %N10276 100 000 (690) 41 000 (283) 40N10276 100 000 (690) 41 000 (283) 40N06022 100 000 (690) 45 000 (310) 45N06022 100 000 (690) 45 000 (
28、310) 45N06035 85 000 (586) 35 000 (241) 30N06035 85 000 (586) 35 000 (241) 30N06044 100 000 (690) 45 000 (310) 30N06455 100 000 (690) 40 000 (276) 40N06455 100 000 (690) 40 000 (276) 40N06058 110 000 (760) 52 000 (360) 40N06058 110 000 (760) 52 000 (360) 40N06059 100 000 (690) 45 000 (310) 45N06059
29、100 000 (690) 45 000 (310) 45N06200 100 000 (690) 45 000 (310) 45N06200 100 000 (690) 45 000 (310) 45N10362 105 000 (725) 45 000 (310) 40N06686 100 000 (690) 45 000 (310) 45N06686 100 000 (690) 45 000 (310) 45N06210 100 000 (690) 45 000 (310) 45N06210 100 000 (690) 45 000 (310) 45A D refers to the d
30、iameter of the tension specimen.B574 1734. Ordering Information4.1 It is the responsibility of the purchaser to specify all requirements that are necessary for material ordered under thisspecification. Examples of such requirements include, but are not limited to the following:4.1.1 AlloyTable 1.4.1
31、.2 DimensionsNominal diameter and length. The shortest usable multiple length should be specified (Table 4).4.1.3 CertificationState if certification or a report of test results is required (Section 15).4.1.4 Purchaser InspectionState which tests or inspections are to be witnessed (Section 13).4.1.5
32、 Samples for Product (Check) AnalysisState whether samples should be furnished (9.2.2).5. Chemical Composition5.1 The material shall conform to the composition limits specified in Table 1.5.2 If a product (check) analysis is made by the purchaser, the material shall conform to the product (check) an
33、alysis variationsper Specification B880.6. Mechanical Properties and Other Requirements6.1 The mechanical properties of the material at room temperature shall conform to those shown in Table 3 and Table 5.7. Dimensions and Permissible Variations7.1 DiameterThe permissible variations from the specifi
34、ed diameter shall be as prescribed in Table 2 and Table 4.7.2 Out of RoundnessThe permissible variation in roundness shall be as prescribed in Table 2 and Table 4.7.3 Machining AllowancesWhen the surfaces of finished material are to be machined, the following allowances are suggestedfor normal machi
35、ning operations.7.3.1 As-finished (Annealed and Descaled)For diameters of 516 to 1116 in. (7.94 to 17.46 mm) inclusive, an allowance of 116in. (1.59 mm) on the diameter should be made for finish machining.7.4 Length:7.4.1 Unless multiple, nominal, or cut lengths are specified, random mill lengths sh
36、all 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 rodsare ordered in multiple lengths, a 14-in. (6.35-mm) length addition shall be allowed for each uncut multiple length.7.5 Ends:7.5.1 Rods ordered to random o
37、r nominal lengths shall be furnished with either cropped or sawed ends.7.5.2 Rods ordered to cut lengths shall be furnished with square sawcut or machined ends.7.6 WeightFor calculations of mass or weight, the following densities shall be used:Alloy Densitylb/in.3 g/cm3N10276 0.321 8.87N06022 0.314
38、8.69N06035 0.296 8.18N06044 0.287 7.97N06455 0.312 8.64N06058 0.318 8.80N06059 0.311 8.60N06200 0.307 8.50N10362 0.319 8.83N06686 0.315 8.73TABLE 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
39、lengths Furnished in multiples of a specified unit length, withinthe length limits indicated above. Foreach multiple, an allowance of 14 in. (6.35mm) shall be made for cutting, unlessotherwise specified. At the manufacturersoption, individual specified unit lengths may befurnished.Nominal lengths Sp
40、ecified nominal lengths having a range of notless than 2 ft (610 mm) with no short lengthsallowed.Cut lengths A specified length to which all rods shall be cutwith a permissible variation of 18 in. (3.17mm) 0.B574 174Alloy Densitylb/in.3 g/cm3N06210 0.316 8.767.7 StraightnessThe maximum curvature (d
41、epth of chord) shall not exceed 0.050 in. multiplied by the length of the chord infeet (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 f
42、or Chemical Analysis 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 as the material from one heat in the same condition and specifieddiameter.9.2 Sampling for Chemical Analysis:9.2.1 A representative sampl
43、e shall be obtained from each heat during pouring or subsequent processing.9.2.2 Product (check) analysis shall be wholly the responsibility of the purchaser.9.3 Sampling for Mechanical TestingA representative sample shall be taken from each lot of finished material.10. Number of Tests and Retests10
44、.1 Chemical AnalysisOne test per heat.10.2 Tension TestsOne test per lot.10.3 RetestsIf the specimen used in the mechanical test of any lot fails to meet the specified requirements, two additionalspecimens shall be taken from different sample pieces and tested. The results of the tests on both of th
45、ese specimens shall meetthe specified requirements.11. Specimen Preparation11.1 Tension test specimens shall be taken from material after final heat-treatment and tested in the direction of fabrication.11.2 Tension test specimens shall be any of the standard or subsized specimens shown in Test Metho
46、ds E8.11.3 In the event of disagreement, the referee specimen shall be the largest possible round specimen shown in Test Methods E8.12. Test Methods12.1 The chemical composition and mechanical properties of the material as enumerated in this specification shall bedetermined, in case of disagreement,
47、 in accordance with the following ASTM methods:12.1.1 Chemical AnalysisTest Methods E1473, For elements not covered by Test Methods E1473, the referee method shallbe as agreed upon between the manufacturer and the purchaser. The nickel composition shall be determined arithmetically bydifference.12.1
48、.2 Tension TestTest Methods E8.12.1.3 Method of SamplingPractice E55.12.1.4 Determining Significant PlacesPractice E29.12.2 For purposes of determining compliance with the limits in this specification, an observed value or a calculated value shallbe rounded in accordance with the rounding method of
49、Practice E29:Requirements 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 agreed upon by the manufacturer and the purchaser as part of the purchasecontract.14. Rejection and Rehearing14.1 Material that fails to conform to the requirements of
