1、Designation: A705/A705M 17Standard Specification forAge-Hardening Stainless Steel Forgings1This standard is issued under the fixed designation A705/A705M; the number immediately following the designation indicates the yearof original adoption or, in the case of revision, the year of last revision. A
2、 number in parentheses indicates the year of last reapproval.A superscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope*1.1 This specification2covers age-hardening stainless steelforgings for general use.1.2 The values stated in either SI units or inch-poun
3、d unitsare to be regarded separately as standard. The values stated ineach system may not be exact equivalents; therefore, eachsystem shall be used independently of the other. Combiningvalues from the two systems may result in non-conformancewith the standard.1.3 Unless the order specifies an “M” de
4、signation, thematerial shall be furnished to inch-pound units.NOTE 1Bar products are covered by Specification A564/A564M.1.4 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelo
5、pment of International Standards, Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade (TBT) Committee.2. Referenced Documents2.1 ASTM Standards:3A370 Test Methods and Definitions for Mechanical Testingof Steel ProductsA484/A484M Specification for General Req
6、uirements forStainless Steel Bars, Billets, and ForgingsA564/A564M Specification for Hot-Rolled and Cold-Finished Age-Hardening Stainless Steel Bars and ShapesA751 Test Methods, Practices, and Terminology for Chemi-cal Analysis of Steel ProductsE527 Practice for Numbering Metals and Alloys in theUni
7、fied Numbering System (UNS)2.2 Other Documents:4SAE J 1086 Recommended Practice for Numbering Metalsand Alloys (UNS)3. Ordering Information3.1 It is the responsibility of the purchaser to specify allrequirements that are necessary for material ordered under thisspecification. Such requirements may i
8、nclude but are notlimited to the following:3.1.1 Quantity (weight or number of pieces),3.1.2 Name of material (age-hardening stainless steelforgings),3.1.3 Dimensions, including prints or sketches,3.1.4 Type or UNS designation (Table 1),3.1.5 Heat-treated condition (Section 5),3.1.6 Transverse prope
9、rties when required (7.4),3.1.7 ASTM designation and date of issue, and3.1.8 Special requirements (5.3, 5.4).3.2 If possible, the intended end use of the item should begiven on the purchase order, especially when the item isordered for a specific end use or uses.NOTE 2A typical ordering description
10、is as follows: 5 age-hardeningstainless steel forgings, Type 630, solution-annealed, ASTM SpecificationA705 dated _ . End use: pump blocks for oil well equipment.4. General Requirements4.1 In addition to the requirements of this specification, allrequirements of the current edition of Specification
11、A484/A484M shall apply. Failure to comply with the generalrequirements of Specification A484/A484M, constitutes non-conformance with this specification.5. Materials and Manufacture5.1 Material for forgings shall consist of billets or bars,either forged, rolled or cast, or a section cut from an ingot
12、. Thecuts shall be made to the required length by a suitable process.This material may be specified to Specification A564/A564M.5.2 The material shall be forged by hammering, pressing,rolling, extruding, or upsetting to produce a wrought structure1This specification is under the jurisdiction of ASTM
13、 Committee A01 on Steel,Stainless Steel and Related Alloys and is the direct responsibility of SubcommitteeA01.17 on Flat-Rolled and Wrought Stainless Steel.Current edition approved Nov. 15, 2017. Published November 2017. Originallyapproved in 1974. Last previous edition approved in 2013 as A705/A70
14、5M 13.DOI: 10.1520/A0705_A0705M-17.2For ASME Boiler and Pressure Vessel Code applications see related Specifi-cation SA-705/SA-705M in Section II of that Code.3For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of
15、ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.4Available from Society of Automotive Engineers (SAE), 400 CommonwealthDr., Warrendale, PA 15096-0001.*A Summary of Changes section appears at the end of this standardCopyright ASTM International, 100 B
16、arr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United StatesThis international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards, Guides and Reco
17、mmendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.1throughout and shall be brought as nearly as possible to thefinished shape and size by hot working.5.3 When specified on the order, sample forging may besectioned and etched to show flow lines and the con
18、dition inregard to internal imperfections. When so specified, the ques-tion of acceptable and unacceptable metal flow shall be subjectto agreement between the manufacturer and the purchaser priorto order entry.5.4 When specified on the order, the manufacturer shallsubmit for approval of the purchase
19、r a sketch showing theTABLE 1 Chemical RequirementsAComposition, %UNSDesignationBType Carbon Manganese Phospho-rusSul-furSili-conChromium Nickel Alumi-numMolyb-denumTita-niumCopper OtherElementsS17400 630 0.07 1.00 0.040 0.030 1.00 15.0017.50 3.005.00 . . . 3.005.00CS17700 631 0.09 1.00 0.040 0.030
20、1.00 16.0018.00 6.507.75 0.751.50 . . . .S15700 632 0.09 1.00 0.040 0.030 1.00 14.0016.00 6.507.75 0.751.50 2.003.00 . . .S35500 634 0.100.15 0.501.25 0.040 0.030 0.50 15.0016.00 4.005.00 . 2.503.25 . .DS17600 635 0.08 1.00 0.040 0.030 1.00 16.0017.50 6.007.50 0.40 . 0.401.20 . .S15500 XM-12 0.07 1.
21、00 0.040 0.030 1.00 14.0015.50 3.505.50 . . . 2.504.50CS13800 XM-13 0.05 0.20 0.010 0.008 0.10 12.2513.25 7.508.50 0.901.35 2.002.50 . .ES45500 XM-16 0.03 0.50 0.015 0.015 0.50 11.0012.50 7.509.50 . 0.50 0.901.40 1.502.50FS45503 . 0.010 0.50 0.010 0.010 0.20 11.0012.50 7.509.50 . 0.50 1.001.35 1.502
22、.50FS45000 XM-25 0.05 1.00 0.030 0.030 1.00 14.0016.00 5.007.00 . 0.501.00 . 1.251.75GS10120 0.02 0.25 0.015 0.010 0.25 11.0012.50 9.0010.50 0.801.10 1.752.25 0.200.50 .ES11100 0.02 0.25 0.015 0.010 0.25 11.0012.50 10.2511.25 1.351.75 1.752.25 0.200.50 .EALimits are in percent maximum unless shown a
23、s a range or stated otherwise.BNew designation established in accordance with Practice E527 and SAEJ1086, Recommended Practice for Numbering Metals and alloys (UNS).CColumbium plus tantalum 0.150.45.DNitrogen 0.070.13.ENitrogen 0.01.FColumbium plus tantalum 0.100.50.GColumbium 8 times carbon minimum
24、.TABLE 2 Solution Heat TreatmentType Condition Solution TreatmentMechanical Test Requirements in Solution Treated ConditionATensile Strength, min Yield Strength, minElongationin 2 in.50 mm or4D, min. %Reductionof Area,minute %HardnessBksi MPa ksi MPaRockwell C,maxBrinell,max630 A 1900 25F 1040 15C(c
25、ool as required to below 90F 32C). . . . . . 38 363631 A 1900 25F 1040 15C (water quench) . . . . . . . . . . . . . . . . . . Rb89 229632 A 1900 25F 1040 15C (water quench) . . . . . . . . . . . . . . . . . . Rb100 269C634DA 1900 25F 1040 15C quench, holdnotlessthan3hatminus100F or lower. . . . . .
26、. 363D635 A 1900 25F 1040 15C (air cool) 120 825 75 515 10 45 32 302XM-12 A 1900 25F 1040 15C(cool as required to below 90F 32C). . . . . . 38 363XM-13 A 1700 25F 925 15C(cool as required to below 60F 16C). . . . . . 38 363XM-16 A 1525 25F 830 15C (cool rapidly) . . . . . . . . . . . . . . . . . . 3
27、6 331S45503 A 1525 25F 830 15C (cool rapidly) . . . . . . . . . . . . . . . . . . 36 331XM-25 A 1900 25F 1040 15C (cool rapidly) 125E860 95 655 10 40 33 311S10120 A 1545 25F 840 14C(cool rapidly below 90F 32C). . . . . . 36 331S11100 A 1545 25F 840 14C(oil or water quench), hold for min. 8 h atminus
28、 100F -73C,Fair warm. . . . . . 36 331ASee 6.1.BEither Rockwell C hardness or Brinell is permissible. On sizes of12 in. (12.70 mm) and smaller, Rockwell C is preferred.C321 BHN for rounds cold drawn after solution treating.DEqualization and over-tempering treatment 1425 50F 775 30C for not less than
29、 3 h, cool to room temperature, heat to 1075 25F 580 15C for not less than3h.E125 165 ksi 860 1140 MPa for sizes up to12 in. 13 mm.FRequired hold time at minus 100F -73C is not mandatory if product is under 2 in. 51 mm thickness.A705/A705M 172shape of the rough forging before machining, or before he
30、attreating for mechanical properties.5.5 The grain size shall be as fine as practicable andprecautions shall be taken to minimize grain growth.5.6 Material of types other than XM-9 shall be furnished inthe solution-annealed condition, or in the equalized and over-tempered condition, as noted in Tabl
31、e 2, unless otherwisespecified by the purchaser.5.6.1 Types 630, XM-16, and XM-25 may be furnished inthe solution-annealed or age-hardened condition.6. Chemical Composition6.1 The steel shall conform to the chemical compositionlimits specified in Table 1.6.2 Methods and practices relating to chemica
32、l analysisrequired by this specification shall be in accordance with TestMethods, Practices, and Terminology A751.7. Mechanical Properties7.1 The material, as represented by mechanical testspecimens, shall conform to the mechanical property require-ments specified in Table 2 and shall be capable of
33、developingthe properties in Table 3 when heat treated as specified in Table3.7.2 The yield strength shall be determined by the offsetmethod as described in the current edition of Test Methods andDefinitions A370. The limiting permanent offset shall be 0.2 %of the gage length of the specimen.7.3 The
34、impact strength shall be determined at 70 to 80F20 to 25C, by Charpy V-notch specimen TypeAas describedin Test Methods and Definitions A370.7.4 Material tensile tested and, when specified, impacttested in the transverse direction (perpendicular to the forgingflow lines) and meeting the requirements
35、shown in Table 3need not be tested in the longitudinal direction.7.5 Samples cut from forging shall conform to the mechani-cal properties of Table 3 when heat treated as specified inTables 2 and 3 and tested in accordance with Test Methods andDefinitions A370.8. Prolongations for Tests8.1 Subject to
36、 Section 7, the forgings shall be produced withprolongations for testing, unless otherwise specified. Theproducer may elect to submit an extra forging to represent eachtest lot instead of prolongations, or the test specimens can betaken from the forgings themselves.9. Number of Tests9.1 For all clas
37、ses of forgings weighing from 5000 to 7000lb 2300 to 3200 kg each, at least one tension test shall bemade from each forging.9.2 For all classes of forgings weighing more than 7000 lb3200 kg each, one tension test shall be made from each endof each forging. In the case of ring forgings, the tension t
38、estspecimen shall be removed from each of two locations on theperiphery, approximately 180 apart, or insofar as practicable,from opposite ends of the forging.9.3 For forgings weighing less than 5000 lb 2300 kg each,one tension test shall be made from each size classification foreach heat in each hea
39、t-treating charge. Where continuousheat-treating furnaces are used, tests shall be made on 10 % ofthe forgings of each size classification from each heat subjectedto the same heat-treatment practice.10. Keywords10.1 age-hardening stainless steel; precipitation hardeningstainless steel; stainless ste
40、el forgingsA705/A705M 173TABLE3MechanicalTestRequirementsAfterAgeHardeningHeatTreatmentATypeCondi-tionSuggestedHardeningorAgingTreatment,orbothBCDApplicableThickness,in.andTestDirectionETensileStrength,minYieldStrength,minFElon-gationin2in.50mmor4D,min.%Reduc-tionofarea,min,%HardnessGImpactCharpy-V,
41、minTem-perature,FCTime,hQuenchksiMPaksiMPaRock-wellC,minBrinell,minftlbfJ630H9009004801.0aircoolUpto3in.incl75mm(L)19013101701170104040388.Over3in.75mmto8in.incl200mm(L)35H9259254954.0aircoolUpto3min.incl75mm(L)1701170155107010443837556.8Over3in.75mmto8in.incl200mm(L)38H102510255504.0aircool15510701
42、4510001245353311520H107510755804.0aircool14510001258601345323112027H110011005954.0aircoolUpto8in.incl200mm(L)1409651157951445313022534H115011506204.0aircool1359301057251650282773041H1150D1150620for4h,aircoolplus1150620for4h,aircool12586010572516502433max255311max3041H1150M1400760for2h,aircoolplus115
43、0620for4h,aircool.115795755201855242555575631RH9501750F955Cfornotlessthan10min,butnotmorethan1h,coolrapidlytoroomtemperature.Coolwithin24htominus10010F75C,holdnotlessthan8h.Warminairtoroomtemperature.Heatto950F510C,hold1h,aircool.Upto4in.incl.100mm(L)1851280150103061041388.TH1050Alternativetreatment
44、:1400F760Chold90min,coolto555F153Cwithin1h.Holdnotlessthan30min,heatto1050F565Choldfor90min,aircool.Upto6in.incl150mm(L)170117014096562538352.632RH950Upto4in.incl100mm(L)20013801751210725.415.SameasType631TH1050Upto6in.incl150mm(L)18012401601100825.375.634HH10001750955fornotlessthan10min,butnotmoret
45、han1h.Waterquench.Cooltonothigherthanminus100F75C.Holdfornotlessthan3h.Temperat1000F540C,holdingfornotlessthan3h.17011701551070122537341.635H950950(510)0.5aircool1901310170117082539363.H100010005400.5aircool1801240160110083037352.H105010505650.5aircool17011701501035104035331.XM-12H9009004801.0aircoo
46、lUpto12in.incl300mmI(L)19013101701170103540388.Upto12in.incl300mmI(T)615H9259254954.0aircoolUpto12in.incl300mmI(L)1701170155107010383837556.8Upto12in.incl300mmI(T)720.A705/A705M 174TABLE3ContinuedTypeCondi-tionSuggestedHardeningorAgingTreatment,orbothBCDApplicableThickness,in.andTestDirectionETensil
47、eStrength,minYieldStrength,minFElon-gationin2in.50mmor4D,min.%Reduc-tionofarea,min,%HardnessGImpactCharpy-V,minTem-perature,FCTime,hQuenchksiMPaksiMPaRock-wellC,minBrinell,minftlbfJH102510255504.0aircoolUpto12in.incl300mmI(L)155107014510001245353311520Upto12in.incl300mmI(T)8271014H107510755804.0aircoolUpto12in.incl300mmI(L)14510001258601345323112027Upto12in.incl300mmI(T)9281520H110011005954.0aircoolUpto12in.incl300mmI(L)1409651157951445313022534Upto12in.incl300mmI(T)10291520H115011506204.0aircoolUpto12in.incl300mmI(L)135
