1、Designation: B574 15Standard 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 U.S. 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-c
4、hromium (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 cov
5、ered 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.
6、2.3 Rods14 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 mathematic
7、alconversions 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
8、those identified in the appropriateSafety Data Sheet (SDS) for this product/material as providedby the manufacturer, to establish appropriate safety and healthpractices, and determine the applicability of regulatory limi-tations prior to use.2. Referenced Documents2.1 ASTM Standards:3B880 Specificat
9、ion 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 Nonfer
10、rous 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:3.1.
11、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 this1This specification is under the jurisdiction of ASTM Committee B02 onNonferrous Met
12、als and Alloys and is the direct responsibility of SubcommitteeB02.07 on Refined Nickel and Cobalt and Their Alloys.Current edition approved Oct. 1, 2015. Published November 2015. Originallyapproved in 1972. Last previous edition approved in 2010 as B574 10. DOI:10.1520/B0574-15.2For ASME Boiler and
13、 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 Numbering Metals and Alloys (UNS).3For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact
14、ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.*A Summary of Changes section appears at the end of this standardCopyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Consh
15、ohocken, PA 19428-2959. United States1TABLE1ChemicalRequirementsElementCompositionLimits,%Alloy N06035Alloy N10276Alloy N06022Alloy N06455Alloy N06059Alloy N06058Alloy N06200Alloy N10362Alloy N06210Alloy N06686Molybdenum7.609.0015.017.012.514.514.017.015.016.518.521.015.017.021.5-23.018.020.015.0-17
16、.0Chromium32.2534.2514.516.520.022.514.018.022.024.020.0-23.022.024.013.8-15.618.020.019.0-23.0Iron2.00max4.07.02.06.03.0max1.5,max1.5,max3.0max1.25max1.0max5.0maxTungsten0.60max3.04.52.53.5.0.3max.3.0-4.4Cobalt,max1.002.52.52.00.30.3max2.0max.1.0.Carbon,max0.0500.0100.0150.0150.0100.0100.0100.0100.
17、0150.010Silicon,max0.600.080.080.080.100.100.080.080.080.08Manganese,max0.501.00.501.00.50.50.50.600.50.75Vanadium,max0.200.350.35.0.35.Phosphorus,max0.0300.040.020.040.0150.0150.0250.0250.020.04Sulfur,max0.0150.030.020.030.0100.0100.0100.0100.020.02Titanium.0.7max.0.02-0.25NickelremainderAremainder
18、AremainderAremainderABalBalremainderAremainderAremainderAremainderAAluminum0.40max.0.10.40.40max0.50max0.50max.Copper0.30max.0.50max0.50max1.31.9.Tantalum.1.52.2.Nitrogen.0.020.15.ASee12.1.1.B574 152specification. Examples of such requirements include, but arenot limited to the following:4.1.1 Alloy
19、Table 1.4.1.2 DimensionsNominal diameter and length. Theshortest usable multiple length should be specified (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
20、 13).4.1.5 Samples for Product (Check) AnalysisState whethersamples should be furnished (9.2.2).5. Chemical 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 (ch
21、eck) analysisvariations per Specification B880.6. Mechanical Properties and Other Requirements6.1 The mechanical properties of the material at roomtemperature shall conform to those shown in Table 3 and Table5.7. Dimensions and Permissible Variations7.1 DiameterThe permissible variations from the sp
22、eci-fied diameter shall be as prescribed in Table 2 and Table 4.7.2 Out of RoundnessThe permissible variation in round-ness shall be as prescribed in Table 2 and Table 4.TABLE 2 Permissible Variations in Diameter and Out-of-Roundness of As Cold Finished RodsSpecified Diameter, in. (mm)Permissible Va
23、riations, 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 (0.41) 0.016 (0.41) 0.024 (0.61)34 312 (19.0588.9), incl 0.010 (0.25) 0.010 (0.25) 0.0
24、10 (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 1 120 (827) 85 (586) 202 135 (931) 125 (862) 203 160 (1103) 150 (1034) 15N06686 1 120 (82
25、7) 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 Annealed RodsSpecified Diameter, in. (mm)Permissible Variations, in. (mm)DiameterOut of
26、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), excl 0.016 (0.41) 0.016 (0.41) 0.024 (0.61)Hot-Finished, Annealed, and Ground or Tur
27、ned 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 % Offset), min, psi(MPa)Elongation in 2 in.(50.8 mm) or 4DAmin, %N10276 100 000 (690) 41 000
28、(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) 45 000 (310) 45N10362 105 000 (725) 45 000 (310) 40N06686 100 000 (690) 45 000 (310) 45N0621
29、0 100 000 (690) 45 000 (310) 45AD refers to the diameter of the tension specimen.B574 1537.3 Machining AllowancesWhen 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
30、 to1116 in. (7.94 to 17.46 mm) inclusive, an allowance of116 in. (1.59 mm) on the diameter should be made for 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,
31、 or cut length rod shall be as prescribed in Table 6.Where rods are ordered in multiple lengths, a14-in. (6.35-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 or
32、dered to cut lengths shall be furnished withsquare sawcut or machined ends.7.6 WeightFor calculations of mass 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
33、8.50N10362 0.319 8.83N06686 0.315 8.73N06210 0.316 8.767.7 StraightnessThe maximum curvature (depth of chord)shall not exceed 0.050 in. multiplied by the length of the chordin feet (0.04 mm multiplied by the length in centimetres).8. Workmanship, Finish, and Appearance8.1 The material shall be unifo
34、rm in quality and condition,smooth, and free of injurious imperfections.9. Sampling9.1 Lots for 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 asthe material from one heat in the same con
35、dition and specifieddiameter.9.2 Sampling for Chemical Analysis:9.2.1 A representative sample shall be obtained 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 representativ
36、esample shall be taken from each lot of finished material.10. Number of Tests and Retests10.1 Chemical AnalysisOne 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 shal
37、l be taken from different sample pieces andtested. The results of the tests on both of these specimens shallmeet 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 Tens
38、ion test specimens shall be any of the standard orsubsized specimens shown in Test Methods E8.11.3 In the event 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 mate
39、rial as enumerated in this specification shall bedetermined, in case of disagreement, in accordance with thefollowing 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 thepu
40、rchaser. The nickel composition shall be determined arith-metically by difference.12.1.2 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 thelimits in this specification, an observed v
41、alue or a calculatedvalue shall be rounded in accordance with the rounding methodof 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 yieldstrengthnear
42、est 1000 psi (7 MPa)Elongation nearest 1 %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, withinthe length limits indicated above
43、. 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 (610 mm) with no short lengthsallowed.C
44、ut lengths A specified length to which all rods shall be cutwith a permissible variation of 18 in. (3.17mm) 0.B574 15413. Inspection13.1 Inspection of the material shall be made as agreed uponby the manufacturer and the purchaser as part of the purchasecontract.14. Rejection and Rehearing14.1 Materi
45、al that fails to conform to the requirements ofthis specification may be rejected. Rejection should be reportedto 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 Whe
46、n specified in the purchase order or contract, amanufacturers certification shall be furnished to the purchaserstating that material has been manufactured, tested, and in-spected in accordance with this specification, and that the testresults on representative samples meet specification require-ment
47、s. When specified in the purchase order or contract, areport of the test results shall be furnished.16. Product 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
48、 shall have no deleterious effect on the material or itsperformance and shall be sufficiently stable to withstandnormal 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 c
49、onsigneeaddress; 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 or subsequent to fabrica-tion is necessary for optimum performance and the manufac-turer shall be consulted for details.SUMMARY OF CHANGESCommittee B02 has i
