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ASTM A705 A705M-1995(2004) Standard Specification for Age-Hardening Stainless Steel Forgings.pdf

1、Designation: A 705/A 705M 95 (Reapproved 2004)Standard Specification forAge-Hardening Stainless Steel Forgings1This standard is issued under the fixed designationA 705/A 705M; the number immediately following the designation indicates the yearof original adoption or, in the case of revision, the yea

2、r of last revision. A number in parentheses indicates the year of last reapproval.A superscript epsilon (e) indicates an editorial change since the last revision or reapproval.1. Scope1.1 This specification2covers age-hardening stainless steelforgings for general use.1.2 The values stated in either

3、inch-pound units or SI(metric) units are to be regarded separately as standards; withinthe text and tables, the SI units are shown in brackets. Thevalues stated in each system are not exact equivalents; there-fore, each system must be used independent of the other.Combining values from the two syste

4、ms may result in noncon-formance with the specification.1.3 Unless the order specifies an “M” designation, thematerial shall be furnished to inch-pound units.NOTE 1Bar products are covered by Specification A 564/A 564M.2. Referenced Documents2.1 ASTM Standards:3A 370 Test Methods and Definitions for

5、 Mechanical Testingof Steel ProductsA 484/A 484M Specification for General Requirements forStainless Steel Bars, Billets, and ForgingsA 564/A 564M Specification for Hot-Rolled and Cold-Finished Age-Hardening Stainless Steel Bars and ShapesA 751 Test Methods, Practices, and Terminology forChemical An

6、alysis of Steel ProductsE 527 Practice for Numbering Metals and Alloys (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

7、 under thisspecification. Such requirements may include but are notlimited to the following:3.1.1 Quantity (weight or number of pieces),3.1.2 Name of material (age-hardening stainless steel forg-ings),3.1.3 Dimensions, including prints or sketches,3.1.4 Type or UNS designation (Table 1),3.1.5 Heat-t

8、reated condition (Section 5),3.1.6 Transverse properties 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 en

9、d use or uses.NOTE 2A typical ordering description is as follows: 5 age-hardeningstainless steel forgings, Type 630, solution-annealed, ASTM SpecificationA 705 dated _ . End use: pump blocks for oil well equipment.4. General Requirements4.1 In addition to the requirements of this specification, allr

10、equirements of the current edition of Specification A 484/A 484M shall apply. Failure to comply with the generalrequirements of Specification A 484/A 484M, constitutes non-conformance with this specification.5. Materials and Manufacture5.1 Material for forgings shall consist of billets or bars,eithe

11、r forged, rolled or cast, or a section cut from an ingot. Thecuts shall be made to the required length by a suitable process.This material may be specified to SpecificationA 564/A 564M.5.2 The material shall be forged by hammering, pressing,rolling, extruding, or upsetting to produce a wrought struc

12、turethroughout and shall be brought as nearly as possible to thefinished shape and size by hot working.1This specification is under the jurisdiction of ASTM Committee A01 on Steel,Stainless Steel and Related Alloys, and is the direct responsibility of SubcommitteeA01.17 on Flat-Rolled and Wrought St

13、ainless Steel.Current edition approved Sept. 1, 2004. Published September 2004. Originallyapproved in 1974. Last previous edition approved in 2000 as A 705/A 705M 95(2000).2For ASME Boiler and Pressure Vessel Code applications see related Specifi-cation SA-705/SA-705M in Section II of that Code.3For

14、 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 standards Document Summary page onthe ASTM website.4Available from Society of Automotive Engineers (SAE), 400 Common

15、wealthDr., Warrendale, PA 15096-0001.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.5.3 When specified on the order, sample forging may besectioned and etched to show flow lines and the condition inregard to internal imperfections.

16、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 purchaser a sketch showing theshape of the rough fo

17、rging before machining, or before heattreating 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-

18、tempered condition, as noted in Table 2, unless otherwisespecified by the purchaser.TABLE 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 15.001

19、7.50 3.005.00 . . . 3.005.00CS17700 631 0.09 1.00 0.040 0.030 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.

20、00 16.0017.50 6.007.50 0.40 . 0.401.20 . .S15500 XM-12 0.07 1.00 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

21、.50 0.010 0.010 0.20 11.0012.50 7.509.50 . 0.50 1.001.35 1.502.50FS45000 XM-25 0.05 1.00 0.030 0.030 1.00 14.0016.00 5.007.00 . 0.501.00 . 1.251.75GALimits are in percent maximum unless shown as a range or stated otherwise.BNew designation established in accordance with Practice E 527 and SAEJ1086,

22、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.TABLE 2 Solution Heat TreatmentTypeCondi-tionSolution TreatmentMechanical Test Requirements in Solution T

23、reated ConditionATensile Strength, min Yield Strength, minElongationin 2 in. 50mm or 4D,min. %Reductionof Area,minute %HardnessBksi MPa ksi MPaRockwell C,maxBrinell,max630 A 1900 6 25F 1040 6 15C (coolas required to below 90F 32C). . . . . . 38 363631 A 1900 6 25F 1040 6 15C (waterquench). . . . . .

24、 . . . . . . . . . . . . Rb89 229632 A 1900 6 25F 1040 6 15C (waterquench). . . . . . . . . . . . . . . . . . Rb100 269C634DA 1900 6 25F 1040 6 15Cquench, hold not less than3hatminus 100F or lower. . . . . . . 363D635 A 1900 6 25F 1040 6 15C (aircool)120 825 75 515 10 45 32 302XM-12 A 1900 6 25F 104

25、0 6 15C (coolas required to below 90F 32C). . . . . . 38 363XM-13 A 1700 6 25F 925 6 15C (cool asrequired to below 60F 16C). . . . . . 38 363XM-16 A 1525 6 25F 830 6 15C (coolrapidly). . . . . . 36 331S45503 A 1525 6 25F 830 6 15C (coolrapidly). . . . . . 36 331XM-25 A 1900 6 25F 1040 6 15C (coolrap

26、idly)125E860 95 655 10 40 33 311ASee 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 6 50F 775 6 30C for not less than 3

27、 h, cool to room temperature, heat to 1075 6 25F 580 6 15C for not lessthan3h.E125 165 ksi 860 1140 MPa for sizes up to12 in. 13 mm.A 705/A 705M 95 (2004)25.6.1 Types 630, XM-16, and XM-25 may be furnished inthe solution-annealed or age-hardened condition.6. Chemical Composition6.1 The steel shall c

28、onform to the chemical compositionlimits specified in Table 1.6.2 Methods and practices relating to chemical analysisrequired by this specification shall be in accordance with TestMethods, Practices, and Terminology A 751.7. Mechanical Properties7.1 The material, as represented by mechanical test sp

29、eci-mens, shall conform to the mechanical property requirementsspecified in Table 2 and shall be capable of developing theproperties in Table 3 when heat treated as specified in Table 3.7.2 The yield strength shall be determined by the offsetmethod as described in the current edition of Test Methods

30、 andDefinitionsA 370. The limiting permanent offset shall be 0.2 %of the gage length of the specimen.7.3 The impact strength shall be determined at 70 to 80F20 to 25C, by Charpy V-notch specimen TypeAas describedin Test Methods and Definitions A 370.7.4 Material tensile tested and, when specified, i

31、mpacttested in the transverse direction (perpendicular to the forgingflow lines) and meeting the requirements 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

32、 and 3 and tested in accordance with Test Methods andDefinitions A 370.8. Prolongations for Tests8.1 Subject to 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 p

33、rolongations, or the test specimens can betaken from the forgings themselves.9. Number of Tests9.1 For all classes 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

34、 each, one tension test shall be made from each endof each forging. In the case of ring forgings, the tension testspecimen 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

35、than 5000 lb 2300 kg each,one tension test shall be made from each size classification foreach heat in each heat-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

36、 practice.10. Keywords10.1 age-hardening stainless steel; precipitation hardeningstainless steel; stainless steel forgingsA 705/A 705M 95 (2004)3TABLE 3 Mechanical Test Requirements After Age Hardening Heat TreatmentATypeCondi-tionSuggested Hardening or AgingTreatment, or bothBCD ApplicableThickness

37、,in. and TestDirectionETensileStrength,minYieldStrength,minFElon-gationin2in.50 mmor 4D,min. %Reduc-tion ofarea,min, %HardnessGImpactCharpy-V,minTem-perature,F CTime,hQuench ksi MPa ksi MPaRock-well C,minBrinell,minftlbf J630 H900 900 480 1.0 air cool Up to 3 in. incl 75mm (L)190 1310 170 1170 10 40

38、 40 388 . . . . . .Over 3 in. 75 mmto 8 in. incl 200mm (L)35H925 925 495 4.0 air cool Up to 3 min. incl75 mm (L)170 1170 155 1070 10 44 38 375 5 6.8Over 3 in. 75 mmto 8 in. incl 200mm (L)38H1025 1025 550 4.0 air cool 155 1070 145 1000 12 45 35 331 15 20H1075 1075 580 4.0 air cool 145 1000 125 860 13

39、 45 32 311 20 27H1100 1100 595 4.0 air cool Up to 8 in. incl 200mm (L)140 965 115 795 14 45 31 302 25 34H1150 1150 620 4.0 air cool 135 930 105 725 16 50 28 277 30 41H1150M 1400 760 for 2 h, air cool plus1150 620 for 4 h, air cool.115 795 75 520 18 55 24 255 55 75631 RH950 1750F 955C for not less th

40、an10 min, but not more than 1 h,cool rapidly to room temperature.Cool within 24 h to minus 100 610F 75C, hold not less than 8h. Warm in air to roomtemperature. Heat to 950F510C, hold 1 h, air cool.Up to 4 in. incl.100 mm (L)185 1280 150 1030 6 10 41 388 . . . . . .TH1050 Alternative treatment: 1400F

41、760C hold 90 min, cool to 556 5F 15 6 3C within 1 h.Hold not less than 30 min, heatto 1050F 565C hold for 90min, air cool.Up to 6 in. incl 150mm (L)170 1170 140 965 6 25 38 352 . . . . . .632 RH950 Up to 4 in. incl 100mm (L) 200 1380 175 1210 7 25 . . . 415 . . . . . .Same as Type 631TH1050 Up to 6

42、in. incl 150mm (L)180 1240 160 1100 8 25 . . . 375 . . . . . .634HH1000 1750 955 for not less than 10min, but not more than 1 h.Water quench. Cool to not higherthan minus 100F 75C. Holdfor not less than 3 h. Temper at1000F 540C, holding for notless than 3 h.170 1170 155 1070 12 25 37 341 . . . . . .

43、635 H950 950 (510) 0.5 air cool 190 1310 170 1170 8 25 39 363 . . . . . .H1000 1000 540 0.5 air cool 180 1240 160 1100 8 30 37 352 . . . . . .H1050 1050 565 0.5 air cool 170 1170 150 1035 10 40 35 331 . . . . . .XM-12 H900 900 480 1.0 air cool Up to 12 in. incl300 mmI(L)190 1310 170 117010 3540 388

44、. .Up to 12 in. incl300 mmI(T) 6 15H925 925 495 4.0 air cool Up to 12 in. incl300 mmI(L)170 1170 155 107010 3838 37556.8Up to 12 in. incl300 mmI(T)720. .A 705/A 705M 95 (2004)4TABLE 3 ContinuedTypeCondi-tionSuggested Hardening or AgingTreatment, or bothBCD ApplicableThickness,in. and TestDirectionET

45、ensileStrength,minYieldStrength,minFElon-gationin2in.50 mmor 4D,min. %Reduc-tion ofarea,min, %HardnessGImpactCharpy-V,minTem-perature,F CTime,hQuench ksi MPa ksi MPaRock-well C,minBrinell,minftlbf JH1025 1025 550 4.0 air cool Up to 12 in. incl300 mmI(L)155 1070 145 100012 4535 33115 20Up to 12 in. i

46、ncl300 mmI(T) 827 10 14H1075 1075 580 4.0 air cool Up to 12 in. incl300 mmI(L)145 1000 125 86013 4532 31120 27Up to 12 in. incl300 mmI(T)928 15 20H1100 1100 595 4.0 air cool Up to 12 in. incl300 mmI(L)140 965 115 79514 4531 30225 34Up to 12 in. incl300 mmI(T)10 29 15 20H1150 1150 620 4.0 air cool Up

47、 to 12 in. incl300 mmI(L)135 930 105 72516 5028 27730 41Up to 12 in. incl300 mmI(T)11 30 20 27H1150M 1400 760 for 2 h, air cool plus1150 620 for 4 h, air coolUp to 12 in. incl300 mmI(L)115 795 75 51518 5524 25555 75Up to 12 in. incl300 mmI(T)14 35 35 47XM-13 H950 950 510 4.0 air cool Up to 12 in. in

48、cl300 mmI(L)220 1520 205 1420 104545 430 . .Up to 12 in. incl300 mmI(T)35H1000 1000 540 4.0 air cool Up to 12 in. incl300 mmI(L)205 1420 190 131010 5043 400 . .Up to 12 in. incl300 mmI(T)10 40H1025 1025 550 4.0 air cool Up to 12 in. incl300 mm (L)185 1280 175 1210 115041 380 . .Up to 12 in. incl300 mm (T)45H1050 1050 565 4.0 air cool Up to 12 in. incl300 mm (L)175 1210 165 1140 125040 372 . .Up to 12 in. incl300 mm (T)45H1100 1100 595 4.0 air cool Up to 12 in. incl300

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