1、Designation:B63706(Reapproved2011) Designation: B637 12Standard Specification forPrecipitation-Hardening Nickel Alloy Bars, Forgings, andForging Stock for High-Temperature ServicePrecipitation-Hardening and Cold Worked Nickel Alloy Bars, Forgings,and Forging Stock for Moderate or High TemperatureSer
2、vice1This standard is issued under the fixed designation B637; 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 () indica
3、tes an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the Department of Defense.1. Scope1.1 This specification2covers hot- and cold-worked precipitation-hardenable nickel alloy rod, bar, forgings, and forging stockfor moderate or high- t
4、emperature service (Table 1).1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematicalconversions to SI units that are provided for information only and are not considered standard.1.3 This standard does not purport to address all of t
5、he safety concerns, if any, associated with its use. It is the responsibilityof the user of this standard to become familiar with all hazards including those identified in the appropriate Material Safety DataSheet (MSDS) for this product/material as provided by the manufacturer, to establish appropr
6、iate safety and health practices, anddetermine the applicability of regulatory limitations prior to use.2. Referenced Documents2.1 ASTM Standards:3B880 Specification for General Requirements for Chemical CheckAnalysis Limits for Nickel, NickelAlloys and CobaltAlloysE8 Test Methods for Tension Testin
7、g of Metallic MaterialsE29 Practice for Using Significant Digits in Test Data to Determine Conformance with SpecificationsE139 Test Methods for Conducting Creep, Creep-Rupture, and Stress-Rupture Tests of Metallic MaterialsE1473 Test Methods for Chemical Analysis of Nickel, Cobalt, and High-Temperat
8、ure Alloys3. Terminology3.1 Definitions:3.1.1 bar, nmaterial of rectangular (flats), hexagonal, octagonal, or square solid section in straight lengths.3.1.2 rod, nmaterial of round solid section furnished in straight lengths.4. Ordering Information4.1 It is the responsibility of the purchaser to spe
9、cify 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 Alloy (Table 1).4.1.2Condition (temper) (Table 24.1.2 Condition (temper or cold worked) (Tables 2 and 3 and 6.1).4.1.3 ShapeRod or
10、 bar (round, rectangle, square, hexagon, octagon).4.1.3.1 Forging (sketch or drawing).1This specification is under the jurisdiction ofASTM Committee B02 on Nonferrous Metals andAlloys and is the direct responsibility of Subcommittee B02.07 on RefinedNickel and Cobalt and Their Alloys.Current edition
11、 approved June 1, 2011. Published June 2011. Originally approved in 1970. Last previous edition addition approved in 2006 as B637061. DOI:10.1520/B0637-06R11.Current edition approved May 1, 2012. Published May 2012. Originally approved in 1970. Last previous edition addition approved in 2011 as B637
12、 06 (2011). DOI:10.1520/B0637-12.2For ASME Boiler and Pressure Vessel Code applications, see related Specification SB-637 in Section II of that Code.3For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at serviceastm.org. For Annual Book of ASTM Standar
13、dsvolume information, refer to the standards Document Summary page on the ASTM website.1This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Becauseit may not be technically possible t
14、o 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 ASTM is to be considered the official document.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Con
15、shohocken, PA 19428-2959, United States.TABLE 1 Chemical RequirementsElement Composition Limits, %UNS N07022 UNS N07208UNS N07252(FormerlyGrade 689)UNS N07001(FormerlyGrade 685)UNS N07500(FormerlyGrade 684)UNS N07750(FormerlyGrade 688)UNS N07718(FormerlyGrade 718)Carbon 0.010 max 0.040.08 0.100.20 0
16、.030.10 0.15 max 0.08 max 0.08 maxCarbon 0.010 max 0.040.08 0.100.20 0.030.10 0.15 max 0.08 max 0.08 maxManganese 0.5 max 0.3 max 0.50 max 1.00 max 0.75 max 1.00 max 0.35 maxManganese 0.5 max 0.3 max 0.50 max 1.00 max 0.75 max 1.00 max 0.35 maxSilicon 0.08 max 0.15 max 0.50 max 0.75 max 0.75 max 0.5
17、0 max 0.35 maxSilicon 0.08 max 0.15 max 0.50 max 0.75 max 0.75 max 0.50 max 0.35 maxPhosphorus 0.025 max 0.015 max 0.015 max 0.030 max 0.015 max . 0.015 maxPhosphorus 0.025 max 0.015 max 0.015 max 0.030 max 0.015 max . 0.015 maxSulfur 0.015 max 0.015 max 0.015 max 0.030 max 0.015 max 0.01 max 0.015
18、maxSulfur 0.015 max 0.015 max 0.015 max 0.030 max 0.015 max 0.01 max 0.015 maxChromium 20.021.4 18.520.5 18.0020.00 18.0021.00 15.0020.00 14.0017.00 17.021.0Chromium 20.021.4 18.520.5 18.0020.00 18.0021.00 15.0020.00 14.0017.00 17.021.0Cobalt 1.0 max 9.011.0 9.0011.00 12.0015.00 13.0020.00 1.00 maxA
19、1.0 maxACobalt 1.0 max 9.011.0 9.0011.00 12.0015.00 13.0020.00 1.00 maxA1.0 maxAMolybdenum 15.517.4 8.09.0 9.0010.50 3.505.00 3.005.00 . 2.803.30Molybdenum 15.517.4 8.09.0 9.0010.50 3.505.00 3.005.00 . 2.803.30Columbium(Nb) + tantalum. . . . . 0.701.20 4.755.50Columbium(Nb) + tantalum. . . . . 0.701
20、.20 4.755.50Titanium . 1.902.30 2.252.75 2.753.25 2.503.25 2.252.75 0.651.15Titanium . 1.902.30 2.252.75 2.753.25 2.503.25 2.252.75 0.651.15Aluminum 0.5 max 1.381.65 0.751.25 1.201.60 2.503.25 0.401.00 0.200.80Aluminum 0.5 max 1.381.65 0.751.25 1.201.60 2.503.25 0.401.00 0.200.80Zirconium . 0.020 ma
21、x . 0.020.12 . . .Zirconium . 0.020 max . 0.020.12 . . .Boron 0.006 max 0.0030.010 0.0030.01 0.0030.01 0.0030.01 . 0.006 maxBoron 0.006 max 0.0030.010 0.0030.01 0.0030.01 0.0030.01 . 0.006 maxIron 1.8 max 1.5 max 5.00 max 2.00 max 4.00 max 5.009.00 remainderBIron 1.8 max 1.5 max 5.00 max 2.00 max 4.
22、00 max 5.009.00 remainderBCopper . 0.1 max . 0.50 max 0.15 max 0.50 max 0.30 maxCopper 0.5 max 0.1 max . 0.50 max 0.15 max 0.50 max 0.30 maxNickel remainderBremainderBremainderBremainderBremainderB70.00 min 50.055.0Nickel remainderBremainderBremainderBremainderBremainderB70.00 min 50.055.0Tantalum 0
23、.2 max 0.1 max . . . . .Columbium(Niobium).0.2 max. . . . .Tungsten 0.8 max 0.5 max . . . . .UNS N07080(FormerlyGrade 80A)UNS N07752 UNS N09925 UNS N07725Carbon 0.10 max 0.0200.060 0.03 max 0.03 max 0.03 max 0.03 maxCarbon 0.10 max 0.0200.060 0.03 max 0.03 maxManganese 1.00 max 1.00 max 1.0 max 0.35
24、 max 1.0 max 0.35 maxManganese 1.00 max 1.00 max 1.0 max 0.35 maxSilicon 1.00 max 0.50 max 0.5 max 0.20 max 0.5 max 0.20 maxSilicon 1.00 max 0.50 max 0.5 max 0.20 maxPhosphorus . 0.008 max 0.03 max 0.015 max 0.03 max 0.015 maxPhosphorus . 0.008 max 0.03 max 0.015 maxSulfur 0.015 max 0.003 max 0.03 m
25、ax 0.010 max 0.03 max 0.010 maxSulfur 0.015 max 0.003 max 0.03 max 0.010 maxChromium 18.0021.00 14.5017.00 19.522.5 19.0022.50 19.522.5 19.0022.50Chromium 18.0021.00 14.5017.00 19.522.5 19.0022.50Cobalt . 0.050 max . . . .Cobalt . 0.050 max . .Molybdenum . . 2.53.5 7.009.50 2.53.5 7.009.50Molybdenum
26、 . . 2.53.5 7.009.50Columbium(Nb) +tantalum. 0.701.20 0.5 max (Nb only) 2.754.00 0.5 max (Nb only) 2.754.00Columbium(Nb) + tantalum. 0.701.20 0.5 max (Nb only) 2.754.00Titanium 1.802.70 2.252.75 1.92.40 1.001.70 1.92.40 1.001.70Titanium 1.802.70 2.252.75 1.92.40 1.001.70Aluminum 0.501.80 0.401.00 0.
27、10.5 0.35 max 0.10.5 0.35 maxAluminum 0.501.80 0.401.00 0.10.5 0.35 maxBoron . 0.007 max . . . .Boron . 0.007 max . .Iron 3.00 max 5.009.00 22.0 min 5.009.00 22.0 min remainderBIron 3.00 max 5.009.00 3.00 max 5.009.00 22.0 min remainderBCopper . 0.50 max 1.53.0 . 1.53.0 .Copper . 0.50 max 1.53.0 .Zi
28、rconium . 0.050 max . . . .Zirconium . 0.050 max . .Vanadium . 70.0 min . . . .Vanadium . 70.0 min . .Nickel remainderB70 0 min 42 0 46 0 55 0 59 0 42 0 46 0 55 0 59 0B637 1224.1.4 Dimensions, including length.4.1.5 Quantity (mass or number of pieces).TABLE 2 Heat TreatmentAAlloyRecommendedAnnealing
29、 TreatmentRecommended SolutionTreatmentRecommended StabilizingTreatmentPrecipitation HardeningTreatmentN07252 . 1950 6 25F 1066 614C, hold 4 h, air cool.N07022BType 1 . 1800 to 2000F (982 to1093C), hold12 h/in.,5 minutes minimum,rapid air cool orwater quench.N07022CType 2 . 1400 6 25F 760 614C,hold
30、15 h, air cool orfurna cech. 1125 6 25F (605 6 14C),hoolN07022CType 2 . 1800 to 2000F (982 to1093C), hold12 h/in.,5 minutes minimum,rapid air cool orwater quench. 1125 6 25F (605 6 14C),hold 10 h, air coolBN07001N07022 Type 3 . 1825 to 1900F 996 to1038C, hold 4 h, oilor water quen ch1550 6 25F 843 6
31、 14C,hold 4 h,aircool. 1400 6 25N07022 Type 3 . 1800 to 2000F (982 to1093C), hold12 h/in.,5 minutes minimum,rapid air ch1550 6 25F 843 614C,ool orwater quench. 1300 6 256 25F (6N07208 . 2000 to 2125F (1093 to1163C), hold12 h/in.,hold 16 h, air cool orfurna cool. 1850 6 25F (1010 614C),hold 2 h, air
32、cool, followecoolN07208 . 2000 to 2125F (1093 to1163C), hold12 h/in.,5 to 10 minutes minimum,water quench orrapid air cool. 1850 6 25F (1010 614C),hold 2 h, air cool, followed by1450 6 25F (788 6 14C),hold 8 h, air coolN07500 2150 6 25F 1177 614C, hold 2 h, aircool (bars only)1975 6 25F 1080 614C, h
33、old 4 h, air cool orfurnace coolN07252 . 1950 6 25F (1066614C), hold 4 h, air cool. 1400 6 25F (760 6 14C),hold 15 h, air cool or furnacecoolN07001 . 1550 625F 843 614C, hold24h,aircool143 6 14C), hold 4 h, aircool1400 6 25F 760 6 14C,hold 16 h, air cool orfurnace coolN07001 . 1825 to 1900F (996 to1
34、038C), hold 4 h, oil orwater quench1550 6 25F (843 6 14C),hold 4 h, air cool1400 6 25F (760 6 14C),hold 16 h, air cool or furnacecoolN07500 2150 6 25F (1177 614C), hold 2 h, air cool(bars only)1975 6 25F (1080614C), hold 4 h, air cool1550 6 25F (843 6 14C),hold 24 h, air cool1400 6 25F (760 6 14C),h
35、old 16 h, air cool or furnacecoolN07750 Type 1(Service above1100F) 593C. 2100 6 25F 1149 614C, hold 2 to 4 h, aircool1550 6 25F 843 6 14C,hold 24 h, air cool1300 6 25F 704 6 14C,hold 20 h, air cool orfurnace coolN07750 Type 1(Service above1100F) (593C). 2100 6 25F (1149 614C), hold 2 to 4 h, aircool
36、1550 6 25F (843 6 14C),hold 24 h, air cool1300 6 25F (704 6 14C),hold 20 h, air cool or furnacecoolN07750 Type 2(Service up to1100F) 593C. 1800 6 25F 982 614C, hold12 h min,cool at rate equivalentto air cool or faster. 1350 6 25F 732 6 14C,hold 8 h, furnace cool to1150 6 25F 62 1614C, hold until tot
37、alprecipitation heattreatment has reached 18h, air coolB637 123TABLE 2 ContinuedAlloyRecommendedAnnealing TreatmentRecommended SolutionTreatmentRecommended StabilizingTreatmentPrecipitation HardeningTreatmentN07750 Type 2(Service up to1100F) (593C). 1800 6 25F (982 614C), hold12 h min, coolat rate e
38、quivalent to aircool or faster. 1350 6 25F (732 6 14C),hold 8 h, furnace cool to1150 6 25F (62 16 14C),hold until total precipitationheat treatment has reached18 h, air coolN07750 Type 3 . 1975 2050F 1079 1121C, hold 1 to 2 h,air cool. 1300 6 25F 704 6 14C,hold20h,+40h,air coolN07750 Type 3 . 1975 2
39、050F (1079 1121C), hold 1 to 2 h, aircool. 1300 6 25F (704 6 14C),hold20h,+40h,aircoolN07752 Type 1 . 1975 6 25F 1080 614C, hold 1 to 2 h,cool by water or oilquenching. 1320 6 25F 715 6 14C,hold20h,+2,0h,air coolN07752 Type 1 . 1975 6 25F (1080 614C), hold 1 to 2 h, coolby water or oil quenching. 13
40、20 6 25F (715 6 14C),hold 20 h, + 2, 0 h, air coolN07752 Type 2 . 1975 6 25F 1080 614C, hold 1 to 2 h,cool by water or oilquenching. 1400 6 25F 760 6 14C,hold 100 h, + 4, 0 h,air coolN07752 Type 2 . 1975 6 25F (1080 614C), hold 1 to 2 h, coolby water or oil quenching. 1400 6 25F (760 6 14C),hold 100
41、 h, + 4, 0 h, aircoolN07718 . 1700 to 1850F 924 to1010C, hold12 h min,cool at rate equivalentto air cool or faster. 1325 6 25F 718 6 14C,hold at temperature for 8h, furnace cool to 11506 25F 621 6 14C,hold until total precipitationheat treatment time hasreached 18 h, air coolN07718 . 1700 to 1850F (
42、924 to1010C), hold12 h min,cool at rate equivalent toair cool or faster. 1325 6 25F (718 6 14C),hold at temperature for 8 h,furnace cool to 1150 625F (621 6 14C), hold untiltotal precipitation heattreatment time has reached18 h, air coolN07080 . 1950 6 25F 1066 614C, hold 8 h, aircool1560 6 25F 849
43、6 14C,hold 24 h, air cool1290 6 25F 699 6 14C,hold 16 h, air coolN07080 . 1950 6 25F (1066 614C), hold 8 h, air cool1560 6 25F (849 6 14C),hold 24 h, air cool1290 6 25F (699 6 14C),hold 16 h, air coolN07725 . 1900 6 25F 1038 614C, hold12 min, and 4h max, cool at rateequivalent to air cool. 1350 6 25
44、F 732 614C, hold at temperaturefor 5 to 812 h, furnace coolto 1150 6 25F 621 614C, hold attemperature for 5 to 812 h,air cool or fasterN07725 . 1900 6 25F (1038 614C), hold12 min, and 4h max, cool at rateequivalent to air cool. 1350 6 25F (732 614C), hold at temperaturefor 5 to 812 h, furnace coolto
45、 1150 6 25F (621 614C), hold attemperature for 5 to 812 h,air cool or fasterN09925 . 1825 to 1875F 996 to1024C, hold12 min,and 4 h max, cool at rateequivalent to air cool orfaster. 1365 6 25F 740 614C, hold at temperaturefor 6 to 9 hr, furnace cool to1150 6 25F 621 614C, hold until totalprecipitatio
46、n heat treatmenttime has reached 18 h, aircool or fasterB637 1244.1.6 Forging StockSpecify if material is stock for reforging.4.1.7 Finish.4.1.8 CertificationState if certification is required (Section 15).4.1.9 Samples for Product (Check) AnalysisWhether samples for product (check) analysis shall b
47、e furnished (9.2).4.1.10 Purchaser InspectionIf the purchaser wishes to witness tests or inspection of material at the place of manufacture, thepurchase order must so state indicating which tests or inspections are to be witnessed (Section 13).5. Chemical Composition5.1 The material shall conform to
48、 the requirements as to chemical composition prescribed in Table 1.5.2 If a product (check) analysis is performed by the purchaser, the material shall conform to the product (check) analysisvariations prescribed in Specification B880.6. Mechanical Properties6.1 Unless otherwise specified, the material shall be supplied in the cold worked or solution treated condition, suitable forsubsequent age hardening.6.2 The cold worked or solution treated material shall be capable of meeti
