欢迎来到麦多课文档分享! | 帮助中心 海量文档,免费浏览,给你所需,享你所想!
麦多课文档分享
全部分类
  • 标准规范>
  • 教学课件>
  • 考试资料>
  • 办公文档>
  • 学术论文>
  • 行业资料>
  • 易语言源码>
  • ImageVerifierCode 换一换
    首页 麦多课文档分享 > 资源分类 > PDF文档下载
    分享到微信 分享到微博 分享到QQ空间

    ASTM F31-2012 Standard Specification for Nickel-Chromium-Iron Sealing Alloys《镍-铬-铁密封合金的标准规范》.pdf

    • 资源ID:532558       资源大小:73.43KB        全文页数:4页
    • 资源格式: PDF        下载积分:5000积分
    快捷下载 游客一键下载
    账号登录下载
    微信登录下载
    二维码
    微信扫一扫登录
    下载资源需要5000积分(如需开发票,请勿充值!)
    邮箱/手机:
    温馨提示:
    如需开发票,请勿充值!快捷下载时,用户名和密码都是您填写的邮箱或者手机号,方便查询和重复下载(系统自动生成)。
    如需开发票,请勿充值!如填写123,账号就是123,密码也是123。
    支付方式: 支付宝扫码支付    微信扫码支付   
    验证码:   换一换

    加入VIP,交流精品资源
     
    账号:
    密码:
    验证码:   换一换
      忘记密码?
        
    友情提示
    2、PDF文件下载后,可能会被浏览器默认打开,此种情况可以点击浏览器菜单,保存网页到桌面,就可以正常下载了。
    3、本站不支持迅雷下载,请使用电脑自带的IE浏览器,或者360浏览器、谷歌浏览器下载即可。
    4、本站资源下载后的文档和图纸-无水印,预览文档经过压缩,下载后原文更清晰。
    5、试题试卷类文档,如果标题没有明确说明有答案则都视为没有答案,请知晓。

    ASTM F31-2012 Standard Specification for Nickel-Chromium-Iron Sealing Alloys《镍-铬-铁密封合金的标准规范》.pdf

    1、Designation: F31 12Standard Specification forNickel-Chromium-Iron Sealing Alloys1This standard is issued under the fixed designation F31; the number immediately following the designation indicates the year of originaladoption or, in the case of revision, the year of last revision.Anumber in parenthe

    2、ses indicates the year of last reapproval.Asuperscriptepsilon () indicates an editorial change since the last revision or reapproval.1. Scope1.1 This specification covers two iron-nickel-chromium al-loys (UNS K94760 and UNS K95150) used primarily forglass-sealing applications in electronic devices.1

    3、.2 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 considered standard.1.3 This standard does not purport to address all of thesafety concerns, if any, assoc

    4、iated 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. Referenced Documents2.1 ASTM Standards:2E18 Test Methods for Rockwell Hardness of Metallic Ma-teri

    5、alsE29 Practice for Using Significant Digits in Test Data toDetermine Conformance with SpecificationsE38 Methods for Chemical Analysis of Nickel-Chromiumand Nickel-Chromium-Iron Alloys (Withdrawn 1989)3E112 Test Methods for Determining Average Grain SizeE228 Test Method for Linear Thermal Expansion

    6、of SolidMaterials With a Push-Rod DilatometerF14 Practice for Making and Testing Reference Glass-MetalBead-SealF140 Practice for Making Reference Glass-Metal Butt Sealsand Testing for Expansion Characteristics by PolarimetricMethodsF144 Practice for Making Reference Glass-Metal SandwichSeal and Test

    7、ing for Expansion Characteristics by Polari-metric Methods3. Ordering Information3.1 Orders for material under this specification shall includethe following information:3.1.1 Size,3.1.2 Temper (Section 6),3.1.3 Surface finish (Section 8),3.1.4 Marking and packaging (Section 13), and3.1.5 Certificati

    8、on if required.4. Chemical Composition4.1 The material shall conform to the requirements of Table1 as to chemical composition.NOTE 1The major constituents of this alloy may be adjusted by themanufacturer so that the alloy meets the requirement for thermal expan-sion.5. Chemical Analysis5.1 Chemical

    9、analysis shall be made, when desired, inaccordance with Methods E38.6. Surface Lubricants6.1 All lubricants used during cold-working operations suchas drawing, rolling, or spinning, shall be capable of beingremoved readily by any of the common organic degreasingsolvents.7. Temper7.1 The desired temp

    10、er of the material shall be specified onthe purchase order. Unless otherwise specified, wire, rod, andtubing shall be given a final bright anneal by the manufacturer.Strip and sheet shall be annealed properly to develop drawingproperties. For deep drawing, the hardness shall not exceedRockwell B90 w

    11、hen determined in accordance with TestMethods E18.8. Grain Size8.1 Strip and sheet for deep drawing applications shall havean average grain size not larger than ASTM No. 5 (Note 2),with no more than 10 % of the grains larger than No. 5 whenmeasured in accordance with Test Methods E112. For materials

    12、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 July 1, 2012. Published August 2012. Originallyapproved in 1963 as F31 63 T. Last previous edition approved in 2010

    13、asF31 05(2010). DOI: 10.1520/F0031-12.2For 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.3The last approved vers

    14、ion of this historical standard is referenced onwww.astm.org.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States1less than 0.005 in. (0.13 mm) in thickness, the grain size shallbe such that there are no less than 4 grains across the thick

    15、ness.NOTE 2This corresponds to a grain size finer than 0.065 mm or 16grains/in.2of image at 100.9. Dimensional Tolerances9.1 Cold-Rolled StripCold-rolled strip shall conform tothe permissible variations in dimensions prescribed in Table 2,Table 3, and Table 4.9.2 Round Wire and RodWire and rod shall

    16、 conform to thepermissible variations in dimension prescribed in Table 5.9.3 Cold-Drawn TubingCold-drawn tubing, available ei-ther as seamless or welded, shall conform to the permissiblevariations prescribed in Table 6.10. Surface Finish10.1 The standard surface finishes available shall be thoseresu

    17、lting from the following operations:10.1.1 Hot rolling,10.1.2 Forging,10.1.3 Centerless grinding (rod),10.1.4 Belt polishing,10.1.5 Cold rolling, and drawing, and10.1.6 Wire drawing.10.2 Care shall be taken to prevent the depletion of surfacechromium during processing.11. Thermal Expansion Character

    18、istics11.1 The average linear coefficient of thermal expansionshall be within limits specified in Table 7.12. Test Method for Thermal Expansion12.1 Heat the specimen for 15 min at 1100C in a hydrogenor cracked-ammonia atmosphere with a dew point of 40Cand cool to room temperature at a rate not excee

    19、ding 5C/min.12.2 Determine the thermal expansion characteristics inaccordance with Test Method E228.12.3 The thermal expansion match between the alloy and aglass may be evaluated by preparing and testing an assembly inaccordance with Practice F14, Practice F140, or Practice F144.13. Test Results13.1

    20、 Observed or calculated values obtained from analysis,measurements, or tests shall be rounded off in accordance withthe rounding-off method of Practice E29, to the nearest unit inthe last right-hand place of figures used in expressing thespecified limit.14. General Requirements14.1 The material shal

    21、l be commercially smooth, uniform incross section, in composition, and in temper; it shall be free ofscale, corrosion, cracks, seams, scratches, slivers, and otherdefects as best commercial practice will permit.15. Packaging and Package Marking15.1 Packaging shall be subject to agreement between the

    22、purchaser and seller.15.2 The material as furnished under this specification shallbe identified by the name or symbol of the manufacturer and bymelt number. The lot size for determining compliance with therequirements of this specification shall be one heat.TABLE 1 Chemical CompositionElement 42Ni-6

    23、Cr(UNS K94760)Composition, %47Ni-6Cr(UNS K95150)Composition, %Nickel, nominal 42.0 47.0Chromium, nominal 5.6 6.0Carbon, max 0.07 0.02Manganese, max 0.25 0.30Phosphorus, max 0.025 0.025Sulfur, max 0.025 0.025Silicon, max 0.30 0.30Aluminum, max 0.20 -Iron remainder remainderTABLE 2 Permissible Variati

    24、ons in Thickness of Cold-Rolled StripNOTE 1 Measurement shall be made at least38 in. (9.5 mm) from the edge of strip over 1-in. (25.4 mm) wide.Specified Thickness Permissible Variations in Thickness for Width Given, in. (mm) Under 3 in.(Under 76mm)Over 3 to 6in.(76to150mm)Over 6 to 12in.(150 to 300m

    25、m)Over 12 to 16in.(300 to 400mm)0.160 to 0.100, incl (4.06 to 2.54) 0.002 (0.05) 0.003 (0.076) 0.004 (0.10) 0.004 (0.10)0.099 to 0.069, incl (2.51 to 1.75) 0.002 (0.05) 0.003 (0.076) 0.003 (0.076) 0.004 (0.10)0.068 to 0.050, incl (1.73 to 1.27) 0.002 (0.05) 0.003 (0.076) 0.003 (0.076) 0.003 (0.076)0

    26、.049 to 0.035, incl (1.24 to 0.89) 0.002 (0.05) 0.0025 (0.064) 0.003 (0.076) 0.003 (0.076)0.034 to 0.029, incl (0.86 to 0.74) 0.0015 (0.038) 0.002 (0.05) 0.0025 (0.064) 0.0025 (0.064)0.028 to 0.026, incl (0.71 to 0.66) 0.0015 (0.038) 0.0015 (0.038) 0.002 (0.05) 0.002 (0.05)0.025 to 0.020, incl (0.64

    27、 to 0.51) 0.001 (0.025) 0.0015 (0.038) 0.002 (0.05) 0.002 (0.05)0.019 to 0.017, incl (0.48 to 0.43) 0.001 (0.025) 0.001 (0.025) 0.0015 (0.038) 0.002 (0.05)0.016 to 0.012, incl (0.41 to 0.30) 0.001 (0.025) 0.001 (0.025) 0.0015 (0.038) 0.0015 (0.038)0.011 to 0.0101, incl (0.28 to 0.256) 0.001 (0.025)

    28、0.001 (0.025) 0.001 (0.025) 0.0015 (0.038)0.010 to 0.0091, incl (0.254 to 0.231) 0.001 (0.025) 0.001 (0.025) 0.001 (0.025) 0.001 (0.025)0.009 to 0.006, incl (0.228 to 0.152) 0.00075 (0.019) 0.00075 (0.019) . .Under 0.006 (0.152) 0.0005 (0.013) 0.0005 (0.013) . .F3112216. Investigation of Claims16.1

    29、Where any material fails to meet the requirements ofthis specification, the material so designated shall be handled inaccordance with the agreement mutually agreed upon betweenthe purchaser and the seller.TABLE 3 Permissible Variation in Thickness Across Width of StripSpecified ThicknessMaximum Vari

    30、ation in Thickness Across Width of Strip, Within Those Provided for in Table 1 for Edge Measurementsfor Widths and Thicknesses Given,in. (mm)5 in. andUnder(127 mm andUnder)Over 5 to12 in.(Over 127 to 300mm)Over 12 to 24 in.,incl(Over 300 to 600mm)0.005 to 0.010, incl (0.13 to 0.25) 0.00075 (0.019) 0

    31、.001 (0.025) 0.0015 (0.038)Over 0.010 to 0.025, incl (0.25 to 0.64) 0.001 (0.025) 0.0015 (0.038) 0.002 (0.051)Over 0.025 to 0.065, incl (0.64 to 1.65) 0.0015 (0.038) 0.002 (0.051) 0.0025 (0.064)Over 0.065 to316, excl (1.65 to 4.74) 0.002 (0.051) 0.0025 (0.064) 0.003 (0.076)TABLE 4 Permissible Variat

    32、ions in Width of Cold-Rolled Strip Supplied in CoilsSpecified Thickness Permissible Variations in Width for Widths Given, in. (mm)Under12to316 in.(Under12.7 to4.75 mm)12 to6in.(12.7 to150 mm)Over 6 to9in.(150 to225 mm)Over 9 to12 in.(225 to300 mm)Over 12to 20 in.(300 to500 mm)Over20 to231516 in.(500

    33、 to 600mm)0.187 to 0.161 (4.75 to 4.09) . 0.016 (0.41) 0.020 (0.51) 0.020 (0.51) 0.031 (0.79) 0.031 (0.79)0.160 to 0.100 (4.06 to 2.54) 0.010 (0.25) 0.010 (0.25) 0.016 (0.41) 0.016 (0.41) 0.020 (0.51) 0.020 (0.51)0.099 to 0.069 (2.51 to 1.75) 0.008 (0.20) 0.008 (0.20) 0.010 (0.25) 0.010 (0.25) 0.016

    34、 (0.41) 0.020 (0.51)0.068 and under (1.73) 0.005 (0.13) 0.005 (0.13) 0.005 (0.13) 0.010 (0.25) 0.016 (0.41) 0.020 (0.51)TABLE 5 Permissible Variations in Diameter of Wire and RodSpecified DiameterPermissible Variations inDiameter, in. (mm) in. (mm)Wire (Coiled, Spooled or Straight Lengths)0.002 to 0

    35、.0043 (0.051 to 0.109) 0.0002 (0.005)0.0044 to 0.0079 (112 to 0.200) 0.00025 (0.0064)0.008 to 0.0149 (0.203 to 0.378) 0.0003 (0.0076)0.015 to 0.0199 (0.381 to 0.505) 0.0004 (0.0102)0.020 to 0.0309 (0.508 to 0.785) 0.0005 (0.0127)0.031 to 0.0409 (0.787 to 1.039) 0.0006 (0.0152)0.041 to 0.0609 (1.041

    36、to 1.547) 0.0007 (0.0178)0.061 to 0.0809 (1.549 to 2.055) 0.0008 (0.0203)0.081 to 0.1259 (2.057 to 3.198) 0.001 (0.0254)0.126 to 0.1569 (3.200 to 3.985) 0.0015 (0.038)0.157 to 0.250 (3.988 to 6.35) 0.002 (0.051)Rod, Centerless Ground Finish (Straight Lengths)0.030 to 0.0549 (0.766 to 1.394) 0.0005 (

    37、0.0127)0.055 to 0.1249 (1.397 to 3.172) 0.001 (0.0254)0.125 to 0.499 (3.175 to 12.67) 0.0015 (0.038)0.500 to 0.999 (12.70 to 25.37) 0.002 (0.051)1.000 to 1.625 (25.4 to 41.27) 0.0025 (0.064)1.626 to 1.749 (41.3 to 44.42) 0.003 (0.076)1.750 to 1.999 (44.45 to 50.17) 0.004 (0.010)2.000 to 4.000 (50.8

    38、to 101.6) 0.005 (0.013)TABLE 6 Permissible Variations in Dimensions of Standard TubingSpecified Outside Diameter, Permissible VariationsAin. (mm)Outside Diameter Inside DiameterWall Thickness, plus orminus, %in. (mm) in. (mm)Under 0.093 (2.36) + 0.0020.000( + 0.051)(0.000)+ 0.0000.002( + 0.000)(0.05

    39、1)100.093 to 0.187, excl (2.36 to 4.75) + 0.003 ( + 0.076) + 0.000 ( + 0.000) 100.000 (0.000) 0.003 (0.076)0.187 to 0.550, excl (4.75 to 12.7) + 0.004 ( + 0.102) + 0.000 ( + 0.000) 100.000 (0.000) 0.004 (0.102)0.500 to 1.500, excl (12.7 to 38.1) + 0.005 ( + 0.13) + 0.000 ( + 0.000) 100.000 (0.00) 0.

    40、005 (0.13)AAny two of the three dimensional tolerances listed may be specified.F3112317. Keywords17.1 glass-to-metal sealing; iron-nickel-chromium alloy;UNS K94760 ; UNS K95150APPENDIX(Nonmandatory Information)X1. THERMAL EXPANSION DATAX1.1 The following typical thermal expansion data for 42 %nickel

    41、-6 % and 47 % nickel-6 % chromium-iron sealing alloys(UNS K94760 and UNS K95150) are given for informationonly.Temperature Range. C42Ni-6Cr (UNS K94760)Average Linear Coefficient of ThermalExpansion. m/mC47Ni-6Cr (UNS K95150)Average Linear Coefficient of ThermalExpansion. m/mC30 to 300 7.9 9.230 to

    42、400 9.8 10.430 to 500 11.2 11.630 to 600 12.1 12.530 to 700 13.0 ASTM 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 determination of the validity of any su

    43、ch 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 reapproved or withdrawn. Your comments are invit

    44、ed 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 feel that your comments have not received a

    45、 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 reprints (single or multiple copies) of this

    46、 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). Permission rights to photocopy the standard may also be secured from the ASTM website (www.astm.org/COPYRIGHT/).TABLE 7 Coefficient of Thermal ExpansionATemperature Range, C 42Ni-6Cr (UNSK94760)Coefficient, 106/C47Ni-6Cr (UNSK95150)Coefficient, 106/C30 to 42530 to 3509.7 to 10.78.5 to 9.59.9 to 10.98.7 to 9.7ATypical expansion data up to 700C are given in the Appendix.F31124


    注意事项

    本文(ASTM F31-2012 Standard Specification for Nickel-Chromium-Iron Sealing Alloys《镍-铬-铁密封合金的标准规范》.pdf)为本站会员(周芸)主动上传,麦多课文档分享仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知麦多课文档分享(点击联系客服),我们立即给予删除!




    关于我们 - 网站声明 - 网站地图 - 资源地图 - 友情链接 - 网站客服 - 联系我们

    copyright@ 2008-2019 麦多课文库(www.mydoc123.com)网站版权所有
    备案/许可证编号:苏ICP备17064731号-1 

    收起
    展开