1、Designation: B 709 04Standard Specification forIron-Nickel-Chromium-Molybdenum Alloy (UNS N08028)*Plate, Sheet, and Strip1This standard is issued under the fixed designation B 709; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, th
2、e year of last revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon (e) indicates an editorial change since the last revision or reapproval.1. Scope1.1 This specification covers iron-nickel-chromium-molybdenum alloy (UNS N08028)* plate, sheet, and strip inthe
3、 solution-annealed condition.1.2 The values stated in inch-pound units are to be regardedas the standard.1.3 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 i
4、ncluding those identified in the appropriateMaterial Safety Data Sheet for this product/material as pro-vided by the manufacturer, to establish appropriate safety andhealth practices, and determine the applicability of regulatorylimitations prior to use.2. Referenced Documents2.1 ASTM Standards:2B 8
5、80 Specification for General Requirements for ChemicalCheck Analysis Limits for Nickel, Nickel Alloys andCobalt AlloysB 906 Specification for General Requirements for Flat-Rolled Nickel and Nickel Alloy Plate, Sheet, and StripE 8 Test Methods for Tension Testing of Metallic Materials3. Ordering Info
6、rmation3.1 It is the responsibility of the purchaser to specify allrequirements that are necessary for material ordered under thisspecification. Examples of such requirements include, but arenot limited to those specified in Ordering Information Sectionin Specification B 906.4. General Requirements4
7、.1 Material furnished under this specification shall con-form to the applicable requirements of the current edition ofSpecification B 906, unless otherwise specified herein.5. Materials and Manufacture5.1 Heat TreatmentThe final heat treatment shall be asolution-anneal. Minor cold working such as fl
8、attening ortemper rolling may be performed after the final solutionannealing treatment.NOTE 1This recommended solution-anneal consists of heating to aminimum temperature of 1975F (1080C) and cooling rapidly to roomtemperature.6. Chemical Composition6.1 The material sampled in accordance with 10.2 sh
9、allconform to the composition limits prescribed in Table 1.6.2 If a product analysis is subsequently made, the materialshall conform to the composition limits with the productanalysis variation prescribed Specification B 880.7. Mechanical Properties7.1 The material shall conform to the requirements
10、as to themechanical property prescribed in Table 2.8. Dimensions and Permissible Variations8.1 SheetMaterial furnished under this specification shallconform to the applicable requirements of the current edition ofSpecification B 906, except as specified in Tables 3 and 4.8.2 Cold-Rolled StripMateria
11、l furnished under this speci-fication shall conform to the applicable requirements of thecurrent edition of Specification B 906, except as specified inTables 5-7.8.3 PlateMaterial furnished under this specification shallconform to the applicable requirements of the current edition ofSpecification B
12、906.1This specification is under the jurisdiction of ASTM Committee B02 onNonferrous Metals and Alloys and is the direct responsibility of SubcommitteeB02.07 on Refined Nickel and Cobalt and Their Alloys.Current edition approved Feb. 1, 2004. Published February 2004. Originallyapproved in 1982. Last
13、 previous edition approved in 1998 as B 709 98.2For 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 standards Document Summary page onthe ASTM website.1Copyright AST
14、M International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.9. Sampling9.1 Sampling for Chemical Analysis, Mechanical Testing,and Corrosion Testing shall be performed in accordance withSpecification B 906, except as specified herein:9.1.1 PlateA lot of plate
15、for testing and inspection pur-poses shall consist of the products resulting from the rolling ofone heat of material in the same condition and specifiedthickness, solution annealed by the same practice, but in nocase more than 25 000 lb (11 340 kg).9.1.2 Sheet and Strip A lot of sheet or strip for t
16、esting andinspection purposes shall consist of material from one heat inthe same form (sheet or strip), condition, finish, and specifiedthickness, solution-annealed by the same practice but in nocase more than 25 000 lb (11 340 kg).9.2 Sampling for Mechanical Tests:9.2.1 When samples are to be taken
17、 after delivery, thepurchaser of material ordered to cut lengths may request on thepurchase order additional material of adequate size to providesample coupons for inspection purposes.10. Number of Tests and Retests10.1 In the case of sheet or strip supplied in coil form, twoor more tension tests (o
18、ne from each end of each coil), and oneor more hardness tests shall be made on specimens taken fromTABLE 1 Chemical RequirementsElement Composition, %Ni 29.5 to 32.5Fe remainderACr 26.0 to 28.0Mo 3.0 to 4.0C, max 0.030Si, max 1.00Mn, max 2.50P, max 0.030S, max 0.030Cu 0.6 to 1.4ADetermined arithmeti
19、cally by difference.TABLE 2 Mechanical Property RequirementsFormTensileStrength,min, ksi(MPa)YieldStrength(0.2 % off-set), min,ksi (MPa)Elonga-tion in 2in. or 50mm, or4D, min,%RockwellHardness (orequivalent)ASheet 73 (500) 31 (214) 40 7090 HRBStrip 73 (500) 31 (214) 40 7090 HRBPlate 73 (500) 31 (214
20、) 40 7090 HRBAHardness values are shown for information only and shall not constitute a basis for acceptance or rejection as long as the other mechanical properties are met.TABLE 3 Flatness Tolerances for Hot-Rolled and Cold-Rolled SheetsSheets not Specified to Stretcher Leveled Standard of Flatness
21、Specified Thickness, in. (mm) Width, in. (mm)Flatness Tolerance (maxDeviation from a Horizon-tal Flat Surface), in. (mm)0.062 (1.57) and over to 60 (1524), inclover 60 to 72 (1524 to 1829), incl12 (12.7)34 (19.1)over 72 (1829) 1 (25.4)Under 0.062 (1.57) to 36 (914), inclover 36 to 60 (914 to 1524),
22、incl12 (12.7)34 (19.1)over 60 (1524) 1 (25.4)TABLE 4 Weight Tolerances for Hot-Rolled and Cold-Rolled SheetsIt is not practicable to produce hot-rolled and cold-rolled sheets to exact theoretical weight. Sheets of any one item of a specified thicknessand size in any finish may be overweight to the f
23、ollowing extent:(1) An item of five sheets or less, or an item estimated to weigh 200 lb (90.7 kg) or less, may actually weigh as much as 10 % over thetheoretical weight.(2) An item of more than five sheets and estimated to weigh more than 200 lb (90.7 kg) may actually weigh as much as 712 % over th
24、etheoretical weight.(3) The underweight variations for sheets are limited by the under thickness tolerances shown in Table 3 of Specification B 906.For determining theoretical weight, the factor 42 lb/ft2in. (0.0008 kg/cm2mm) thickness may be used.B709042each end of the coil. When material is suppli
25、ed in flatsheet, flatstrip, or plate, one tension and one or more hardness tests shallbe made on each 100 or less sheets, strips, or plates of the samelot. When specified, one corrosion test shall be conducted foreach lot.10.2 If any specimens selected to represent any lot fail tomeet any of the tes
26、t requirements, the material represented bysuch specimens may be retested. If there is valid reason tobelieve the result is not representative, the material may bere-reannealed and retested.11. Specimen Preparation11.1 Tension test specimens from material under12 in. (12.7mm) in thickness shall be o
27、f the full thickness of the materialTABLE 5 Thickness ToleranceA,B,Cfor Cold-Rolled Strip for the Thicknesses and Widths Given, Over and UnderSpecified ThicknessWidth, in.0.187 to 1,inclOver 1 to3, inclOver 3 to6, inclOver 6 to9, inclOver 9 to12, inclOver 12 to16, inclOver 16 to20, inclOver 20 to24,
28、 inclThickness Tolerance, in.Over 0.160 to less than 0.002 0.003 0.004 0.004 0.004 0.005 0.006 0.0060.187Over 0.099 to 0.160, incl 0.002 0.002 0.003 0.003 0.004 0.004 0.005 0.005Over 0.068 to 0.099, incl 0.002 0.002 0.003 0.003 0.003 0.004 0.004 0.004Over 0.049 to 0.068, incl 0.002 0.002 0.003 0.003
29、 0.003 0.003 0.004 0.004Over 0.039 to 0.049, incl 0.002 0.002 0.0025 0.003 0.003 0.003 0.004 0.004Over 0.034 to 0.039, incl 0.002 0.002 0.0025 0.0025 0.003 0.003 0.003 0.003Over 0.028 to 0.034, incl 0.0015 0.0015 0.002 0.002 0.0025 0.0025 0.003 0.003Over 0.025 to 0.028, incl 0.001 0.0015 0.0015 0.00
30、2 0.002 0.002 0.0025 0.003Over 0.019 to 0.025, incl 0.001 0.001 0.0015 0.0015 0.002 0.002 0.0025 0.0025Over 0.016 to 0.019, incl 0.001 0.001 0.001 0.0015 0.0015 0.002 0.002 0.002Over 0.012 to 0.016, incl 0.001 0.001 0.001 0.001 0.0015 0.0015 0.002 0.002Over 0.011 to 0.012, incl 0.001 0.001 0.001 0.0
31、01 0.0015 0.0015 0.0015 0.0015Over 0.010 to 0.011, incl 0.001 0.001 0.001 0.001 0.001 0.0015 0.0015 0.00150.010 0.001 0.001 0.001 0.001 0.001 0.001 0.0015 0.0015Specified Thickness, mmWidth, mm4.76 to25.4, inclOver25.4to 76.2,inclOver 76.2to 152.4,inclOver152.4 to228.6,inclOver228.6 to304.8, inclOve
32、r304.8 to406.4,inclOver406.4 to508, inclOver 508to 609.6,inclThickness Tolerance, mmOver 4.06 to less than 0.05 0.08 0.10 0.10 0.10 0.13 0.15 0.154.76Over 2.51 to 4.06, incl 0.05 0.05 0.08 0.08 0.10 0.10 0.13 0.13Over 1.73 to 2.51, incl 0.05 0.05 0.08 0.08 0.08 0.10 0.10 0.10Over 1.25 to 1.73, incl
33、0.05 0.05 0.08 0.08 0.08 0.08 0.10 0.10Over 0.99 to 1.24, incl 0.05 0.05 0.06 0.08 0.08 0.08 0.10 0.10Over 0.86 to 0.99, incl 0.05 0.05 0.06 0.06 0.08 0.08 0.08 0.08Over 0.71 to 0.86, incl 0.04 0.04 0.05 0.05 0.06 0.06 0.08 0.08Over 0.64 to 0.71, incl 0.02 0.04 0.04 0.05 0.05 0.05 0.06 0.08Over 0.48
34、 to 0.64, incl 0.02 0.02 0.04 0.04 0.05 0.05 0.06 0.06Over 0.41 to 0.48, incl 0.02 0.02 0.02 0.04 0.04 0.05 0.05 0.05Over 0.38 to 0.41, incl 0.02 0.02 0.02 0.02 0.04 0.04 0.05 0.05Over 0.28 to 0.30, incl 0.02 0.02 0.02 0.02 0.04 0.04 0.04 0.04Over 0.25 to 0.28, incl 0.02 0.02 0.02 0.02 0.02 0.04 0.0
35、4 0.040.25 0.02 0.02 0.02 0.02 0.02 0.02 0.04 0.04AFor thickness under 0.010 to 0.005 in. (0.254 to 0.127 mm), inclusive, in widths up to and including 16 in. (406 mm), a tolerance of 610 % of the thickness applies.For thicknesses under 0.010 to 0.005 in. (0.254 to 0.127 mm), inclusive, in widths ov
36、er 16 to 24 in. (406 to 610 mm), exclusive, a tolerance of 615 % of the thicknessapplies. For thickness tolerances on thicknesses under 0.005 in. (0.127 mm) in widths up to 24 in. (610 mm), exclusive, the producer should be consulted.BThickness measurements are taken38 in. (9.5 mm) in from the edge
37、of the strip, except that on widths less than 1 in. (25.4 mm) the tolerances are applicable formeasurements at all locations.CThe tolerances in this table do not include crown tolerances.TABLE 6 Crown Tolerances for Cold-Rolled StripSpecified Thickness, in. (mm)Additional Thickness, at Middle of Str
38、ip over That Shown in Table 5 forEdge Measurement, for Widths and Thicknesses Given, in. (mm)Width, in. (mm)To 5 (127), inclOver 5 to 12 (127 to305), inclOver 12 to 24 (305 to610), excl0.005 to 0.010 (0.127 to 0.254), incl 0.0075 (0.19) 0.001 (0.02) 0.0015 (0.04)Over 0.010 to 0.025 (0.254 to 0.635),
39、 incl 0.001 (0.02) 0.0015 (0.04) 0.002 (0.05)Over 0.025 to 0.065 (0.635 to 1.65), incl 0.0015 (0.04) 0.002 (0.05) 0.0025 (0.06)Over 0.065 to 0.187 (1.65 to 4.76), excl 0.002 (0.05) 0.0025 (0.06) 0.003 (0.08)B709043and machined to the form and dimensions shown for thesheet-type specimen in Test Metho
40、ds E 8. Tension test speci-mens from material12 in. (12.7 mm) and over shall be of thefull thickness of the material, machined to the form anddimensions shown for the plate-type specimen in Test MethodsE 8. Tension test specimens shall be taken from material afterfinal heat treatment and shall be se
41、lected in the transversedirection unless prohibited by width.12. Keywords12.1 N08028; plate; sheet; stripASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentionedin this standard. Users of this standard are expressly advised that
42、 determination of the validity of any such patent rights, and the riskof infringement of such rights, are entirely their own responsibility.This standard is subject to revision at any time by the responsible technical committee and must be reviewed every five years andif not revised, either reapprov
43、ed or withdrawn. Your comments are invited either for revision of this standard or for additional standardsand should be addressed to ASTM International Headquarters. Your comments will receive careful consideration at a meeting of theresponsible technical committee, which you may attend. If you fee
44、l that your comments have not received a fair hearing you shouldmake your views known to the ASTM Committee on Standards, at the address shown below.This standard is copyrighted by ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959,United States. Individual repr
45、ints (single or multiple copies) of this standard may be obtained by contacting ASTM at the aboveaddress or at 610-832-9585 (phone), 610-832-9555 (fax), or serviceastm.org (e-mail); or through the ASTM website(www.astm.org).TABLE 7 Length and Camber Tolerances for Cold-Rolled StripLength TolerancesSpecified Length, ft (mm)Tolerance Over Speci-fied Length (No UnderTolerance), in. (mm)To 5 (1524), incl38 (9.5)Over 5 to 10 (1520 to 3050), incl12 (12.7)Over 10 to 20 (3050 to 6100), incl58 (15.9)B709044
