ASTM F290-1994(2010) Standard Specification for Round Wire for Winding Electron Tube Grid Laterals《绕制电子管栅极支线用圆线的标准规范》.pdf
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1、Designation: F290 94 (Reapproved 2010)Standard Specification forRound Wire for Winding Electron Tube Grid Laterals1This standard is issued under the fixed designation F290; the number immediately following the designation indicates the year of originaladoption or, in the case of revision, the year o
2、f last revision. A number in parentheses indicates the year of last reapproval. A superscriptepsilon () indicates an editorial change since the last revision or reapproval.1. Scope1.1 This specification covers round wire up to 0.006 in.(0.15 mm) in diameter for use as electron tube grid lateralwindi
3、ng wire.1.2 Five classes of wire are covered based on their tensileproperties (see 5.2 and 5.3).1.3 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 not considere
4、d standard.1.4 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 establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.2. R
5、eferenced Documents2.1 ASTM Standards:2E39 Methods for Chemical Analysis of Nickel3E107 Test Methods for Chemical Analysis of ElectronicNickel3E129 Test Method for Spectrographic Analysis of Thermi-onic Nickel Alloys by the Powder TechniquesF16 Test Methods for Measuring Diameter or Thickness ofWire
6、 and Ribbon for Electronic Devices and LampsF205 Test Method for Measuring Diameter of Fine Wire byWeighingF288 Specification for Tungsten Wire for Electron Devicesand LampsF289 Specification for Molybdenum Wire and Rod forElectronic Applications3. Terminology3.1 Description of Terms:3.1.1 The follo
7、wing description of terms shall apply to therequirements specified in Table 1:3.1.1.1 breaking strengthThe stress at which the speci-men breaks.3.1.1.2 elongationThe maximum percent of stretch in aspecimen of 10-in. (250-mm) gage length.3.1.1.3 tensile strength The ultimate strength of the ma-terial
8、 expressed either as grams per milligram per 200 mmlength of wire or pounds per square inch.3.1.1.4 ultimate strengthThe maximum stress developedin a specimen.3.1.1.5 work loadThe difference between the yield loadand the ultimate load.3.1.1.6 yield strength The stress developed at 1 percentelongatio
9、n when testing a specimen of 10-in. (250-mm) gagelength.4. Chemical Composition4.1 The wire shall conform to the requirements as tochemical composition as prescribed in Table 2.5. Tensile Properties5.1 The wire shall conform to the requirements as to tensilestrength, yield strength, working range, a
10、nd elongation prop-erties as prescribed in Table 1 for the class of wire designated.5.2 The class designations for the nickel-titanium-magnesium alloy UNS N03300; the nickel-manganese alloyUNS N02211; molybdenum wire, and the nickel-molybdenum-iron alloy UNS N10001; are based on their tensile proper
11、ties asfollows:5.2.1 Class IThe wire shall conform to elongation prop-erties as specified in ranges in Table 1.5.2.2 Class IIThe wire shall conform to the followingtensile properties:5.2.2.1 Yield strength with a spread of approximately615 %, as shown in grams-force, minimum and maximum, inTable 2,5
12、.2.2.2 Working range, as specified in Table 1, and5.2.2.3 Elongation as specified in Table 1.1This specification is under the jurisdiction of ASTM Committee F01 onElectronics and is the direct responsibility of Subcommittee F01.03 on MetallicMaterials.Current edition approved Oct. 1, 2010. Published
13、 November 2010. Originallyapproved in 1954 as B290 54 T; redesignated F290 in 1955. Last previous editionapproved in 2005 as F290 94 (2005). DOI: 10.1520/F0290-94R10.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual B
14、ook of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.3Withdrawn. The last approved version of this historical standard is referencedon www.astm.org.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959,
15、 United States.5.2.3 Class IIIThe wire shall conform to the followingtensile properties:5.2.3.1 Yield strength with a spread of approximately610 %, as shown in grams-force, minimum and maximum, inTable 1.5.2.3.2 A larger working range as specified in Table 1, and5.2.3.3 Elongation as specified in Ta
16、ble 1.5.3 The class designations for tungsten wire are as follows:5.3.1 Classes IV and V Tungsten wire UNS R07005 shallconform to the tensile properties for both classes as prescribedin Table 3.TABLE 1 Tensile Properties for Nickel-Titanium-Magnesium Alloy (UNS N03300), Nickel-Manganese Alloy (UNS N
17、02211),Molybdenum Wire, and Nickel-Molybdenum-Iron Alloy (UNS N10001) WireCLASS INoteWire supplied as Class I shall conform to the following elongation values as specified by range:Material Range Wire Diameter,in. (mm)Elongation,%Nickel-titanium-magnesium alloy (UNS N03300)and nickel-manganese alloy
18、 (UNS N02211) 1 All 8 to 162 All 14 to 223 0.003 (0.08) and under 20 and over4 Above 0.003 (0.08) 22 and overMolybdenum 1 All 8 to 162 All 14 to 22Nickel-molybdenum-iron alloy (UNS N10001) 1 0.001 (0.025) 8 to 182 0.0015 (0.038) 18 to 323 0.002 (0.050) and above 25 and overCLASS IINoteWire supplied
19、as Class II shall conform to the following requirements as to yield strength (6 15 percent), working range, and elongation:MaterialWire Diameter Yield StrengthWorkingLoad, min, gfElongation,min, %in. (mm)Approximate Center LoadStress psi (Mpa) min, gf max, gfNickel-titanium-magnesiumalloy (UNS N0330
20、0)0.0015 (0.038) 74 000 (510) 51 67 17 80.0016 (0.041) 74 000 (510) 56 76 17 80.0017 (0.043) 70 500 (486) 62 84 17 80.0018 (0.046) 70 500 (486) 69 93 20 80.0019 (0.048) 70 500 (486) 76 104 20 100.0020 (0.051) 70 000 (483) 85 115 35 100.0025 (0.064) 68 500 (472) 130 175 60 100.0027 (0.069) 64 500 (44
21、5) 145 190 75 100.0030 (0.076) 63 500 (438) 175 235 90 150.0033 (0.084) 63 000 (434) 210 280 115 150.0035 (0.089) 63 000 (434) 235 315 135 200.0040 (0.102) 61 500 (424) 300 400 190 200.0045 (0.114) 60 000 (414) 370 500 250 200.0050 (0.127) 60 000 (414) 450 610 330 200.0055 (0.140) 60 000 (414) 550 7
22、45 400 200.0060 (0.152) 60 000 (414) 655 885 475 20Nickel-manganesealloy (UNS N02211)0.0020 (0.051) 59 600 (411) 70 100 30 140.0025 (0.064) 58 400 (403) 110 150 50 140.0027 (0.067) 56 800 (392) 125 170 60 140.0030 (0.076) 56 600 (390) 150 210 80 180.0033 (0.084) 50 400 (347) 175 245 105 180.0035 (0.
23、089) 50 400 (347) 200 270 120 180.004 (0.102) 51 000 (352) 250 340 170 220.0045 (0.114) 47 000 (324) 295 395 230 220.005 (0.127) 46 000 (317) 350 470 305 220.006 (0.152) 43 000 (296) 465 635 490 22Molybdenum 0.0008 (0.020) 120 000 (827) 24 34 1 80.0010 (0.025) 120 000 (827) 35 50 4 80.0012 (0.030) 1
24、18 500 (817) 50 70 6 80.0013 (0.033) 118 500 (817) 60 80 8 80.00133 (0.034) 118 500 (817) 65 85 8 80.00150 (0.038) 113 500 (782) 77 105 10 120.0017 (0.043) 113 500 (782) 95 135 15 120.0020 (0.051) 105 000 (724) 127 173 25 120.0025 (0.064) 101 000 (696) 191 259 40 150.0030 (0.076) 96 000 (662) 262 35
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