1、Designation: B691 02 (Reapproved 2013)Standard Specification forIron-Nickel-Chromium-Molybdenum Alloys (UNS N08366 andUNS N08367) Rod, Bar, and Wire1This standard is issued under the fixed designation B691; the number immediately following the designation indicates the year oforiginal adoption or, i
2、n 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 since the last revision or reapproval.1. Scope1.1 This specification covers iron-nickel-chromium-molybdenum alloys (UNS N08366 and U
3、NS N08367)* in theform of hot-finished and cold-finished rounds, squares,hexagons, octagons, and rectangles.1.2 The values stated in inch-pound units are to be regardedas standard. The values given in parentheses are mathematicalconversions to SI units that are provided for information onlyand are n
4、ot considered standard.1.3 The following safety hazards caveat pertains only to thetest methods portion, Section 12, of this specification: Thisstandard does not purport to address all of the safety concerns,if any, associated with its use. It is the responsibility of the userof this standard to bec
5、ome familiar with all hazards includingthose identified in the appropriate Material Safety Data Sheet(MSDS) for this product/material as provided by themanufacturer, to establish appropriate safety and healthpractices, and determine the applicability of regulatory limi-tations prior to use.2. Refere
6、nced Documents2.1 ASTM Standards:2B880 Specification 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 Speci
7、ficationsE1473 Test Methods for Chemical Analysis of Nickel,Cobalt, and High-Temperature Alloys3. Terminology3.1 Definitions of Terms Specific to This Standard:3.1.1 The terms rod, bar, and wire, as used in thisspecification, are described as follows:3.1.2 bar, nhot-finished or cold-finished materia
8、l ofround, square, hexagon, octagon, or rectangular solid section instraight lengths.3.1.3 rod, nhot-finished material of round, square,hexagon, octagon, or rectangular solid section furnished incoils for subsequent cold drawing into finished products.3.1.4 wire, ncold-finished material of round, sq
9、uare,hexagon, octagon, or rectangle solid section furnished in coils.4. Ordering Information4.1 It is the responsibility of the purchaser to specify allrequirements that are necessary for material ordered to thisspecification. Examples of such requirements include, but arenot limited to, the followi
10、ng:4.1.1 Quantity (feet, metres, or number of pieces),4.1.2 Form (rod, bar, wire),4.1.3 Name of material or UNS number,4.1.4 Finish (see 8.2),4.1.5 Dimensions, including length,4.1.6 Certification, if required (Section 15),4.1.7 Purchasers inspection, if required (Section 13),4.1.8 ASTM designation
11、and year of issue, and4.1.9 Samples for product analysis, if required.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 permissible variations forproduct (ch
12、eck) analysis in Specification B880.6. Mechanical Properties and Other Requirements6.1 The material shall conform to the mechanical propertyrequirements specified in Table 2.7. Dimensions and Permissible Variations7.1 Size:1This specification is under the jurisdiction of ASTM Committee B02 onNonferr
13、ous Metals and Alloys and is the direct responsibility of SubcommitteeB02.07 on Refined Nickel and Cobalt and Their Alloys.Current edition approved Feb. 1, 2013. Published February 2013. Originallyapproved in 1981. Last previous edition approved in 2007 as B691 02 (2007).DOI: 10.1520/B0691-02R13.* N
14、ew designation established in accordance with ASTM E527 and SAE J1086,Practice for Numbering Metals and Alloys.2For 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 s
15、tandards Document Summary page onthe ASTM website.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States17.1.1 RoundsThe permissible variations in size of cold-finished round shall be as given in Table 3. For hot-finishedround bars and rod,
16、they shall be as given in Table 4.7.1.2 SquaresThe permissible variations in size of cold-finished square bars shall be as given in Table 5. For hot-finished square bars and rods, they shall be as given in Table 4.7.1.3 Hexagons and OctagonsThe permissible variationsin size of cold-finished hexagons
17、 and octagons shall be asgiven in Table 5. For hot-finished bar and rod hexagons andoctagons they shall be as given in Table 6.7.1.4 Flats (Rectangles) The permissible variations inwidth and thickness of cold-finished flats shall be as given inTable 7 for bars and for wire in Table 8. For hot-finish
18、ed flatbars and rods, the tolerances for width and thickness shall be asgiven in Table 9.7.2 Out-of-RoundHot-finished rounds and cold-finishedrounds (except forging quality), all sizes, in straight lengths,shall not be out-of-round by more than shown in Table 4 andTable 3.7.3 CornersCold-finished sq
19、uares, rectangles, hexagonsand octagons will have equal angles and sharp corners.7.4 Machining AllowancesWhen the surfaces of hot-finished material are to be machined, the allowances given inTable 10 are recommended for normal machining operations.7.5 Length:7.5.1 Unless multiple, nominal, or cut le
20、ngths are specified,random mill lengths shall be furnished.7.5.2 When bars are ordered in multiple lengths,14 in. (6.4mm) will be allowed for each multiple cut, unless otherwisespecified.7.5.3 The permissible variations in length of hot or cold-finished bars shall be as specified in Table 11 or Tabl
21、e 12depending upon whether or not the material is specified to bemachine-cut after straightening.7.6 Ends:7.6.1 Bars ordered to random or nominal lengths will befurnished with either cropped or saw-cut ends.7.6.2 Bars ordered to cut lengths will be furnished withsquare saw-cut or machine cut ends.7.
22、7 Straightness:7.7.1 The permissible variations in straightness of cold-finished bars shall be as specified in Table 13.7.7.2 The permissible variations in straightness of hot-finished bars shall be as specified in Table 13.8. Workmanship, Finish, and Appearance8.1 The material shall be uniform in q
23、uality and condition,smooth, commercially straight or flat, and free of injuriousimperfections.8.2 Finishes available include hot-rolled, hot rolled-annealed-descaled, cold-drawn, ground, turned, and machined.9. Sampling9.1 Lot Definition:9.1.1 A lot for chemical analysis shall consist of one heat.9
24、.1.2 Lots for mechanical testing shall consist of the mate-rial from one heat, in the same condition (temper), and of thesame specified size (excepting length) and cross-section.9.2 Test Material Selection:9.2.1 Sampling for Chemical Analysis:TABLE 1 Chemical RequirementsElementComposition Limits, %
25、N08366 N08367Carbon 0.035 max 0.030 maxManganese 2.00 max 2.00 maxSilicon 1.00 max 1.00 maxPhosphorus 0.040 max 0.040 maxSulfur 0.030 max 0.030 maxChromium 20.00 to 22.00 20.00 to 22.00Nickel 23.50 to 25.50 23.50 to 25.50Molybdenum 6.00 to 7.00 6.00 to 7.00Nitrogen . 0.18 to 0.25IronAremainder remai
26、nderCopper . 0.75 maxAIron shall be determined arithmetically by difference.TABLE 2 Mechanical PropertiesCold-Finished-An-nealed and Hot-Finished-Annealed(All Sizes)Forging Quality(All Sizes)N08366 N08367 N08366 N08367Tensile strength, min,ksi (MPa)75 (517) 95 (655)AAYield strength, 0.2 %offset, min
27、, ksi (MPa)30 (206) 45 (310)AAElongation in 2 in. or 50mm, or 4D,min,%30 30AAANo tensile properties are required on forging quality.TABLE 3 Permissible Variations in Diameter Cold-FinishedRound Bars and WireSpecified Diameter, in. (mm)Diameter tolerance, in. (mm)A,B,CPlus and Minus0.0030 (0.076) to
28、0.0048 (0.122), excl 0.0001 (0.003)0.0048 (0.122) to 0.0080 (0.203), excl 0.0002 (0.005)0.0080 (0.203) to 0.0120 (0.305), excl 0.0003 (0.008)0.0120 (0.305) to 0.0240 (0.610), excl 0.0004 (0.010)0.0240 (0.610) to 0.0330 (0.838), excl 0.0005 (0.013)0.0330 (0.838) to 0.0440 (1.118), excl 0.0008 (0.020)
29、0.0440 (1.118) to 0.3125 (7.938), excl 0.001 (0.03)0.3125 (7.938) to 0.5000 (12.700), excl 0.0015 (0.038)0.5000 (12.700) to 1.000 (25.4), excl 0.002 (0.05)1.000 (25.40) to 1.500 (38.10), excl 0.0025 (0.06)1.500 (38.10) to 4.000 (101.6), incl 0.003 (0.08)ADiameter tolerances are over and under as sho
30、wn in the above table. Also,rounds can be produced to tolerances all over and nothing under, or all under andnothing over, or any combination of over and under, if the total spread in diametertolerance for a specified diameter is not less than the total spread shown in thetable.BThe maximum out-of-r
31、ound tolerance for round wire is one-half of the total sizetolerance shown in the above table.CWhen it is necessary to heat treat or heat treat and pickle after cold finishing, sizetolerances are double those shown in the table for sizes 0.0240 in. (0.610 mm) andover.B691 02 (2013)29.2.1.1 An analys
32、is of each lot shall be made by themanufacturer from a representative sample obtained during thepouring of the heat or subsequent processing.9.2.1.2 If samples for product (check) analysis are specified,a representative sample shall be taken from each lot of finishedmaterial.9.2.2 Sampling for Mecha
33、nical TestingSamples of thematerial to provide test specimens for mechanical testing shallbe taken from such locations in each lot (see 9.1.2)astoberepresentative of that lot.10. Number of Tests and Retests10.1 Chemical AnalysisOne test per lot.10.2 Mechanical Tests and Tension TestsOne test per lot
34、.10.3 RetestsIf the specimen used in the mechanical test ofany lot fails to meet the specified requirements, an additionalspecimen shall be taken from a different sample piece andtested. The results of this test specimen shall meet the specifiedrequirements.TABLE 4 Permissible Variations in Size of
35、Hot-Finished Round and Square Bars and RodsSpecified size, in. (mm)Permissible Variations from Specified Size,in. (mm)Out-of-RoundAorOut-of-Square,Bin.(mm)Plus Minus14 (6.4) to516 (7.9), incl 0.005 (0.13) 0.005 (0.13) 0.008 (0.20)Over516 (7.9) to716 (11.1), incl 0.006 (0.15) 0.006 (0.15) 0.009 (0.23
36、)Over716 (11.1) to58 (15.9), incl 0.007 (0.18) 0.007 (0.18) 0.010 (0.25)Over58 (15.9) to78 (22.2), incl 0.008 (0.20) 0.008 (0.20) 0.012 (0.30)Over78 (22.2) to 1 (25.4), incl 0.009 (0.23) 0.009 (0.23) 0.013 (0.33)Over 1 (25.4) to 118 (28.6), incl 0.010 (0.25) 0.010 (0.25) 0.015 (0.38)Over 118 (28.6)
37、to 114 (31.8), incl 0.011 (0.28) 0.011 (0.28) 0.016 (0.41)Over 114 (31.8) to 138 (34.9), incl 0.012 (0.30) 0.012 (0.30) 0.018 (0.46)Over 138 (34.9) to 112 (38.1), incl 0.014 (0.36) 0.014 (0.36) 0.021 (0.53)Over 112 (38.1) to 2 (50.8), incl164 (0.4)164 (0.4) 0.023 (0.58)Over 2 (50.8) to 212 (63.5), i
38、ncl132 (0.8) 0 0.023 (0.58)Over 212 (63.5) to 312 (88.9), incl364 (1.2) 0 0.035 (0.89)Over 312 (88.9) to 412 (114.3), incl116 (1.6) 0 0.046 (1.17)Over 412 (114.3) to 512 (139.7), incl564 (2.0) 0 0.058 (1.47)Over 512 (139.7) to 612 (165.1), incl18 (3.2) 0 0.070 (1.78)Over 612 (165.1) to 8 (203.2), in
39、cl532 (4.0) 0 0.085 (2.16)AOut-of-round is the difference between the maximum and minimum diameters of the bar, measured at the same cross section.BOut-of-square section is the difference in the two dimensions at the same cross section of a square bar, each dimension being the distance between oppos
40、ite faces.TABLE 5 Permissible Variations in Distance Between ParallelSurfaces of Cold Finished Hexagonal, Octagonal, and SquareBars and WireSpecified Size, in. (mm)Permissible Variations from SpecifiedSize, in.(mm)APlus Minus0.125 (3.18) to 0.3125 (7.938), excl 0 0.002 (0.05)0.3125 (7.938) to 0.500
41、(12.70), excl 0 0.003 (0.08)0.500 (12.70) to 1.000 (25.40), incl 0 0.004 (0.10)Over 1 (25.40) to 2 (50.80), incl 0 0.006 (0.15)Over 2 (50.80) to 3 (76.20), incl 0 0.008 (0.20)Over 3 (76.20) 0 0.010 (0.25)AWhen it is necessary to heat treat or heat treat and pickle after cold finishing, sizetolerance
42、s are double those shown in the table.TABLE 6 Permissible Variations in Size of Hot-Finished Hexagonal and Octagonal Bars and RodsSpecified Sizes Measured Between OppositeSides, in. (mm)Permissible Variations from Specified Size,in. (mm)Maximum Difference,in. (mm), 3 Measure-ments for HexagonsOnlyPl
43、us Minus14 to12 (6.4 to 12.7), incl 0.007 (0.18) 0.007 (0.18) 0.011 (0.28)Over12 to 1 (12.7) to (25.4), incl 0.010 (0.25) 0.010 (0.25) 0.015 (0.38)Over 1 (25.4) to 112 (38.1), incl 0.021 (0.53) 0.021 (0.53) 0.025 (0.64)Over 112 (38.1) to 2 (50.8), incl132 (0.8)132 (0.8)132 (0.8)Over 2 (50.8) to 212
44、(63.5), incl364 (1.2)364 (1.2)364 (1.2)Over 212 (63.5) to 312 (88.9), incl116 (1.6)116 (1.6)116 (1.6)B691 02 (2013)311. Specimen Preparation11.1 Tension test specimens shall be taken from material inthe final condition (temper) and tested in the direction offabrication.11.2 All rod and bar shall be
45、tested in full cross-section sizewhen possible. When a full cross-section size test cannot beperformed, the largest possible round specimen shown in TestMethods E8 shall be used. Longitudinal strip specimens shallTABLE 7 Permissible Variations in Width and Thickness of Cold-Finished Flat BarsWidth,
46、in. (mm)Width Tolerance, in. (mm),Plus and MinusAFor Thick-nesses 0.250in. (6.35) andUnderFor Thick-nesses Over0.250 in.(6.35)0.375 (9.53) to 1 (25.40), incl 0.004 (0.10) 0.002 (0.05)Over 1 (25.40) to 2 (50.80), incl 0.006 (0.15) 0.003 (0.08)Over 2 (50.80) to 3 (76.20), incl 0.008 (0.20) 0.004 (0.10
47、)Over 3 (76.20) to 4.500 (114.30),inclB0.010 (0.25) 0.005 (0.13)Thickness, in. (mm)ThicknessTolerance, in.(mm), Plusand MinusA0.125 (3.18) to 1 (25.40), incl 0.002 (0.05)Over 1 (25.40) to 2 (50.80), incl 0.003 (0.08)Over 2 (50.80) to 3 (76.20), incl 0.004 (0.10)Over 3 (76.20) to 4.500 (114.30),inclB
48、0.005 (0.13)AWhen it is necessary to heat treat or heat treat and pickle after cold finishing,tolerances are double those shown in the table.BCold-finished flat bars over 4.500 in. (114.3 mm) wide or thick are produced:width and thickness tolerances for such bars are not included herein.TABLE 8 Perm
49、issible Variations in Width and Thickness of Cold-Finished Flat CoilsASpecified Width, in. (mm)Permissible Variations in Thickness, in. (mm),Plus and Minus, for Given Thicknesses, in. (mm)Permissible Variationsin Width, in. (mm), for GivenWidth, in. (mm)Under 0.029(0.74)0.029 (0.74) to0.035 (0.89), excl0.035 (0.89) to0.1875 (4.76),exclPlus Minus0.0625 (1.588) to 0.375 (9.52), excl 0.001 (0.03) 0.0015 (0.038) 0.002 (0.05) 0.005 (0.13) 0.005 (0.13)AWhere it is necessary to heat treat or heat treat and pickle after c
