ASTM B622-2017b Standard Specification for Seamless Nickel and Nickel-Cobalt Alloy Pipe and Tube《镍和镍钴合金无缝管和管件的标准规格》.pdf

上传人:testyield361 文档编号:461782 上传时间:2018-11-25 格式:PDF 页数:8 大小:74.38KB
下载 相关 举报
ASTM B622-2017b Standard Specification for Seamless Nickel and Nickel-Cobalt Alloy Pipe and Tube《镍和镍钴合金无缝管和管件的标准规格》.pdf_第1页
第1页 / 共8页
ASTM B622-2017b Standard Specification for Seamless Nickel and Nickel-Cobalt Alloy Pipe and Tube《镍和镍钴合金无缝管和管件的标准规格》.pdf_第2页
第2页 / 共8页
ASTM B622-2017b Standard Specification for Seamless Nickel and Nickel-Cobalt Alloy Pipe and Tube《镍和镍钴合金无缝管和管件的标准规格》.pdf_第3页
第3页 / 共8页
ASTM B622-2017b Standard Specification for Seamless Nickel and Nickel-Cobalt Alloy Pipe and Tube《镍和镍钴合金无缝管和管件的标准规格》.pdf_第4页
第4页 / 共8页
ASTM B622-2017b Standard Specification for Seamless Nickel and Nickel-Cobalt Alloy Pipe and Tube《镍和镍钴合金无缝管和管件的标准规格》.pdf_第5页
第5页 / 共8页
亲,该文档总共8页,到这儿已超出免费预览范围,如果喜欢就下载吧!
资源描述

1、Designation: B622 17aB622 17bStandard Specification forSeamless Nickel and Nickel-Cobalt Alloy Pipe and Tube1This standard is issued under the fixed designation B622; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last

2、 revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope*1.1 This specification2 covers seamless pipe and tube of nickel and nickel-cobalt alloys (UNS N10001, UNS N10242, UNSN10665,

3、UNS N12160, UNS N10675, UNS N10276, UNS N06455, UNS N06007, UNS N08320, UNS N06975, UNS N06002,UNS N06985, UNS N06022, UNS N06035, UNS N06044, UNS N08135, UNS N06255, UNS N06058, UNS N06059, UNSN06200, UNS N10362, UNS N06030, UNS N08031, UNS N08034, UNS R30556, UNS N08535, UNS N06250, UNS N06060,UNS

4、 N06230, UNS N06686, UNS N10629, UNS N06210, UNS N10624, and UNS R20033)3 as shown in Table 1.1.2 Pipe and tube shall be supplied in the solution annealed and descaled condition. When atmosphere control is used, descalingis not necessary.1.3 This specification is limited to tubes up to and including

5、 3.5 in. (88.9 mm) outside diameter.1.4 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematicalconversions to SI units that are provided for information only and are not considered standard.1.5 This standard does not purport to address a

6、ll of the safety concerns, if any, associated with its use. It is the responsibilityof the user of this standard to become familiar with all hazards including those identified in the appropriate Safety Data Sheet(SDS) for this product/material as provided by the manufacturer, to establish appropriat

7、e safety, health, and environmentalpractices, and determine the applicability of regulatory limitations prior to use.1.6 This international standard was developed in accordance with internationally recognized principles on standardizationestablished in the Decision on Principles for the Development

8、of International Standards, Guides and Recommendations issuedby the World Trade Organization Technical Barriers to Trade (TBT) Committee.2. Referenced Documents2.1 ASTM Standards:4B829 Specification for General Requirements for Nickel and Nickel Alloys Seamless Pipe and TubeE8 Test Methods for Tensi

9、on Testing of Metallic MaterialsE527 Practice for Numbering Metals and Alloys in the Unified Numbering System (UNS)3. Terminology3.1 Definitions:3.1.1 average diameter, nthe average of the maximum and minimum outside diameters, or the maximum and minimum insidediameters, as determined at any cross s

10、ection of the tube.3.1.2 pipe, nseamless tube conforming to the particular dimensions commercially known as standard pipe sizes (AppendixX2).3.1.3 tube, na hollow product of round or any other cross section having a continuous periphery.4. General Requirements4.1 Material furnished under this specif

11、ication shall conform to the applicable requirements of Specification B829 unlessotherwise provided herein.1 This specification is under the jurisdiction ofASTM Committee B02 on Nonferrous Metals andAlloys and is the direct responsibility of Subcommittee B02.07 on RefinedNickel and Cobalt and Their

12、Alloys.Current edition approved July 1, 2017Nov. 1, 2017. Published August 2017November 2017. Originally approved in 1977. Last previous edition approved in 2017 asB622 17.B622 17a. DOI: 10.1520/B0622-17a.10.1520/B0622-17b.2 For ASME Boiler and Pressure Vessel Code applications see related Specifica

13、tion SB-622 in Section II of that Code.3 Designation established in accordance with Practice E527 and SAE J1086, Practice for Numbering Metals and Alloys (UNS).4 For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at serviceastm.org. For Annual Book of

14、ASTM Standardsvolume information, refer to the standards Document Summary page on the ASTM website.This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Becauseit may not be technically

15、 possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current versionof the standard as published by ASTM is to be considered the official document.*A Summary of Changes section appears at the end of this standa

16、rdCopyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States1TABLE 1 Chemical RequirementsComposition Limits, %Ni Cr Mo Fe W C Simax Co Mn V Pmax Smax Ti CuCb(Nb)+TaAl Zr La N B Cb(Nb) Ta Ni+Mo MgNi-Mo AlloysN10001 remainderA1.0max26.0-30.04.0-6

17、.0 . 0.05max1.0 2.5max1.0max0.2-0.40.04 0.03 . . .N10665 remainderA1.0max26.0-30.02.0 max . 0.02max0.10 1.0max1.0max. 0.04 0.03 . . .N10675 65.0 min 1.0-3.027.0-32.01.0-3.0 3.0max0.01max0.10 3.0max3.0max0.20max0.030 0.010 0.20max0.20max. 0.50max0.10max. . . 0.20max0.20max94.0-98.0N10629 remainderA0.

18、5-1.526.0-30.01.0-6.0 . 0.01max0.05 2.5max1.5max. 0.04 0.01 . 0.5max. 0.1-0.5. . . . . . .N10624 remainderA6.0-10.021.0-25.05.0-8.0 . 0.01max0.10 1.0max1.0max. 0.025 0.01 . 0.5max. . . . . . . . .Ni-Mo-Cr-FeAlloyN10242 remainderA7.0-9.024.0-26.02.0 max 0.03max0.80 1.00max0.80max0.030 0.015 0.50max0.

19、50max0.006maxLow C Ni-Cr-Mo AlloysN10276 remainderA14.5-16.515.0-17.04.0-7.0 3.0-4.50.010max0.08 2.5max1.0max0.35max0.04 0.03 . . .N06022 remainderA20.0-22.512.5-14.52.0-6.0 2.5-3.50.015max0.08 2.5max0.50max0.35max0.02 0.02 . . .N06035 remainderA32.25-34.257.60-9.002.00 max 0.60max0.050max0.60 1.00m

20、ax0.50max0.20max0.030 0.015 . 0.30max. 0.40max. . . . . . . .N06044 balance 43.5-45.30.80-1.200.3 max . 0.02max0.20 . 0.07-0.30. 0.020 0.020 0.10-0.30. . 0.30max. . . . . . . .N06058 balance 20.0-23.018.5-21.01.5 max 0.3max0.010max0.10max0.3max0.50max0.015 0.010 . 0.50max. 0.40max0.02-0.15N06059 bal

21、ance 22.0-24.015.0-16.51.5 max . 0.010max0.10 0.3max0.5max. 0.015 0.010 . 0.50max. 0.1-0.4. . . . . . .N06455 remainderA14.0-18.014.0-17.03.0 max . 0.015max0.08 2.0max1.0max. 0.04 0.03 0.70max. .Ni-Cr-Fe-Mo-CuAlloysN06007 remainderA21.0-23.55.5-7.518.0-21.0 1.0max0.05max1.0 2.5max1.0-2.0. 0.04 0.03

22、. 1.5-2.51.75-2.5N06975 47.0-52.0 23.0-26.05.0-7.0remainderA. 0.03max1.0 . 1.0max. 0.03 0.03 0.70-1.500.70-1.20.N06985 remainderA21.0-23.56.0-8.018.0-21.0 1.5max0.015max1.0 5.0max1.0max. 0.04 0.03 . 1.5-2.50.50maxN06030 remainderA28.0-31.54.0-6.013.0-17.0 1.5-4.00.03max0.8 5.0max1.5max. 0.04 0.02 .

23、1.0-2.40.30-1.50N06255 47.0-52.0 23.0-26.06.0-9.0remainderA3.0max0.03max1.0 . 1.0max. 0.03 0.03 0.69max1.2max.N06250 50.0-54.0 20.0-23.010.1-12.0remainderA0.25-1.250.020max0.09 . 1.00max. 0.030 0.005 . 0.25-1.25.Ni-Fe-Cr-MoAlloysN08320 25.0-27.0 21.0-23.04.0-6.0remainderA. 0.05max1.0 . 2.5max. 0.04

24、0.03 4xCmin. .N08135 33.0-38.0 20.5-23.54.0-5.0remainderA0.20-0.800.030max0.75 . 1.00max. 0.03 0.03 .N06002 remainderA20.5-23.08.0-10.017.0-20.0 0.20-1.00.05-0.151.0 0.5-2.51.0max. 0.04 0.03 . . .B62217b2TABLE 1 ContinuedComposition Limits, %Ni Cr Mo Fe W C Simax Co Mn V Pmax Smax Ti CuCb(Nb)+TaAl Z

25、r La N B Cb(Nb) Ta Ni+Mo MgN06060 54.060.0 19.0-22.012.0-14.0remainderA0.25-1.250.03max0.50 . 1.50max. 0.030max0.005max. 0.25-1.250.50-1.25Ni-Fe-Cr-CoAlloyR30556 19.0-22.5 21.0-23.02.5-4.0remainderA2.0-3.50.05-0.150.20-0.8016.0-21.00.50-2.00. 0.04 0.015 . . . 0.10-0.500.001-0.100.005-0.100.10-0.300.

26、02max0.30max0.3-1.25Ni-Cr-W-MoAlloysN06230 remainderA20.0-24.01.0-3.03.0 max 13.0-15.00.05-0.150.25-0.755.0max0.30-1.00. 0.03 0.015 . . . 0.50max. 0.005-0.050. 0.015max. .Low C-Ni-Cr-Mo-CuAlloyN06200 remainderA22.0-24.015.0-17.03.0 max . 0.010max0.08 2.0max0.50max. 0.025 0.010 . 1.3-1.9. 0.50maxLow

27、C-Ni-Mo-Cr AlloyN10362 remainderA13.8-15.621.5-23.01.25 max . 0.010max0.08 . 0.60max. 0.025 0.010 . . . 0.50max. . . . . . . .Low C-Ni-Fe-Cr-Mo-CuAlloysN08031 30.0-32.0 26.0-28.06.0-7.0balance . 0.015max0.3 . 2.0max. 0.020 0.010 . 1.0-1.4. . . . 0.15-0.25. . .N08034 33.5-35.0 26.0-27.06.0-7.0balance

28、 . 0.01max0.1 . 1.0-4.0. 0.020 0.010 . 0.5-1.5. 0.3max. . 0.10-0.25. . . . .N08535 29.0-36.5 24.0-27.02.5-4.0remainderA. 0.03max0.50 . 1.0max. 0.03 0.03 . 1.50maxLow C-Ni-Cr-Mo-WAlloyN06686 remainderA19.0-23.015.0-17.05.0 max 3.0-4.40.010max0.08 . 0.75max. 0.04 0.02 0.02-0.25. . . . . . . . .Ni-Co-C

29、r-SiAlloyN12160 remainderA26.0-30.01.0max3.5 max 1.0max0.15max2.4-3.027.0-33.01.5max. 0.030 0.015 0.20-0.80. . . . . . . 1.0max. . .Cr-Ni-Fe-NAlloyR20033 30.0-33.0 31.0-35.00.50-2.0balance . 0.015max0.50 . 2.0max. 0.02 0.01 . 0.3-1.20. . . . 0.35-0.60. . . . .Low C-Ni-Mo-Cr-TaAlloyN06210 remainderA1

30、8.0-20.018.0-20.01.0 max . 0.015max0.08 1.0max0.5max0.35max0.02 0.02 . . . . . . . 1.5-2.2A See 12.1.B62217b35. Ordering Information5.1 It is the responsibility of the purchaser to specify all requirements that are necessary for the material ordered under thisspecification. Examples of such requirem

31、ents include, but are not limited to the following:5.1.1 Alloy (Table 1).5.1.2 Dimensions:5.1.2.1 TubeOutside diameter, minimum or average wall thickness, and length.5.1.2.2 PipeStandard pipe size and schedule (Appendix X2).5.1.3 EndsPlain ends cut and deburred will be furnished.5.1.4 CertificationS

32、tate if certification or a report of test results is required (Section 15).5.1.5 Samples for Check AnalysisState whether samples for check analysis should be furnished.5.1.6 Purchaser InspectionIf the purchaser wishes to witness tests or inspection of material at the place of manufacture, thepurchas

33、e order must so state, indicating which tests or inspections are to be witnessed (Section 14).6. Chemical Composition6.1 The material shall conform to the composition limits specified in Table 1.6.2 If a product (check) analysis is made by the purchaser, the material shall conform to the requirement

34、s specified in Table 1subject to the permissible tolerances in accordance with Specification B829.7. Mechanical Properties7.1 The mechanical properties of the material at room temperature shall conform to those shown in Table 2.8. Hydrostatic Test or Non-Destructive Electric Test8.1 Each pipe or tub

35、e shall be tested by the manufacturer by either hydrostatic or a non-destructive electric test in accordancewith Specification B829. Hydrostatic testing at a pressure greater than 1000 psi may be performed upon agreement between thepurchaser and manufacturer or at the option of the manufacturer prov

36、ided that the allowable fiber stress per Specification B829is not exceeded.9. Weight9.1 For calculation of mass or weight, the following densities shall be used:AlloyDensitylb/in.3 g/cm3Nickel-molybdenum:UNS N10001 0.334 9.24UNS N10242 0.327 9.05UNS N10665 0.333 9.22UNS N10675 0.333 9.22UNS N10629 0

37、.333 9.22UNS N10624 0.322 8.9Low carbon nickel-chromium-molybdenum: 0.296 8.18Low carbon nickel-chromium-molybdenum:UNS N10276 0.321 8.87UNS N06022 0.314 8.69UNS N06035 0.296 8.18UNS N06044 0.287 7.97UNS N06455 0.312 8.64Nickel-chromium-iron-molybdenum-copper:UNS N06007 0.300 8.31UNS N06975 0.295 8.

38、17UNS N06985 0.300 8.31UNS N06030 0.297 8.22UNS N06255 0.299 8.29UNS N06250 0.307 8.58Nickel-iron-chromium-molybdenum:UNS N08320 0.291 8.05UNS N08135 0.292 8.10Nickel-chromium-molybdenum-iron:UNS N06002 0.297 8.23UNS N06060 0.315 8.71Nickel-iron-chromium-cobalt:UNS R30556 0.297 8.23Nickel-chromium-t

39、ungsten-molybdenum:UNS N06230 0.324 8.97Low carbon nickel-chromium-molybdenum:UNS N06058 0.318 8.80UNS N06059 0.311 8.6UNS N06200 0.307 8.50B622 17b4Low carbon-nickel-molybdenum-chromium:UNS N10362 0.319 8.83Low carbon nickel-iron-chromium-molybdenum-copper:UNS N08031 0.29 8.1UNS N08034 0.293 8.10UN

40、S N08535 0.291 8.07Low carbon nickel-chromium-molybdenum-tungsten:UNS N06686 0.315 8.73Nickel-cobalt-chromium-silicon:UNS N12160 0.292 8.08TABLE 2 Mechanical Properties of Pipe and TubeAlloyTensile Strength,min, ksi(MPa)Yield Strength(0.2 % Offset)min, ksi (MPa)Elongation in 2in.(50.8 mm) or4D,A min

41、, %Ni-MoUNS N10001 100 (690) 45 (310) 40UNS N10665 110 (760) 51 (350) 40UNS N10675 110 (760) 51 (350) 40UNS N10629 110 (760) 51 (350) 40UNS N10624 104 (720) 46 (320) 40Ni-Mo-Cr-FeUNS N10242 105 (725) 45 (310) 40Low C Ni-Cr-MoUNS N10276 100 (690) 41 (283) 40UNS N06022 100 (690) 45 (310) 45UNS N06035

42、85 (586) 35 (241) 30UNS N06044 100 (690) 45 (310) 30UNS N06455 100 (690) 40 (276) 40Ni-Cr-Fe-Mo-CuUNS N06007 90 (621) 35 (241) 35UNS N06975 85 (586) 32 (221) 40UNS N06985 90 (621) 35 (241) 40UNS N06030UNS N0625585 (586)85 (586)35 (241)32 (221)3040UNS N06250 90 (621) 35 (241) 40Ni-Fe-Cr-MoUNS N08320

43、75 (517) 28 (193) 35UNS N08135 73 (503) 31 (214) 40Ni-Cr-Mo-FeUNS N06002 100 (690) 40 (276) 35UNS N06060 90 (621) 35 (241) 40Ni-Fe-Cr-CoR30556100 (690) 45 (310) 40Ni-Cr-W-MoUNS N06230B 110 (760) 45 (310) 40Low C-Ni-Cr-MoUNS N06058 110 (760) 52 (360) 40UNS N06059 100 (690) 45 (310) 45Low C-Ni-Cr-Mo-C

44、uUNS N06200 100 (690) 45 (310) 45Low C-Ni-Mo-CrUNS N10362 105 (725) 45 (310) 40Ni-Fe-Cr-Mo-Culow carbonUNS N08031 94 (650) 40 (276) 40UNS N08034 94 (650) 40 (280) 40UNS N08535 73 (503) 31 (214) 40Low C Ni-Cr-Mo-WUNS N06686 100 (690) 45 (310) 45NiCoCrSiUNS N12160 90 (620) 35 (240) 40low carbon Cr-Ni-

45、Fe-NUNS R20033 109 (750) 55 (380) 40Low carbon Ni-Mo-Cr-TaUNS N06210 100 (690) 45 (310) 45A D refers to the diameter of the tension specimen.B Solution annealed at a minimum temperature of 2200F (1204C) followed by awater quench or rapidly cooled by other means.B622 17b5Low carbon chromium-nickel-ir

46、on-nitrogen:UNS R20033 0.29 8.1Low carbon nickel-molybdenum-chromium-tantalum:UNS N06210 0.316 8.7610. Sampling10.1 Lots for Chemical Analysis and Mechanical Testing are as defined in Specification B829.10.2 Sampling of Chemical Analysis:10.2.1 A representative sample shall be taken from each lot du

47、ring pouring or subsequent processing.10.2.2 Product (check) analysis shall be wholly the responsibility of the purchaser.10.3 Sampling for Mechanical Testing:10.3.1 A representative sample shall be taken from each lot of finished material.11. Number of Tests and Retests11.1 Chemical AnalysisOne tes

48、t per lot.11.2 Tension TestOne test per lot.11.3 RetestsIf the specimen used in the mechanical test of any lot fails to meet the specified requirements, two additionalspecimens shall be taken from different sample pieces and tested. The results of the tests on both of these specimens shall meetthe s

49、pecified requirements.12. Specimen Preparation12.1 Tension test specimens shall be taken from material after final heat treatment and tested in the direction of fabrication.12.2 Whenever possible, all pipe and tube shall be tested in full tubular size. When testing in full tubular size is not possible,longitudinal strip specimens, or the largest possible round specimen prepared in accordance with Test Methods E8, shall be used.13. Test Methods13.1 The chemical composition and mechanical properties of the material as enumerated in this specification shall b

展开阅读全文
相关资源
猜你喜欢
  • AECMA PREN 6059-406-2001 Aerospace Series Electrical Cables Installation Protection Sleeves Test Methods Part 406 Vibration Edition P 1《航空航天系列.安装保护轴套电缆试验方法.第406部分 震动.P1版》.pdf AECMA PREN 6059-406-2001 Aerospace Series Electrical Cables Installation Protection Sleeves Test Methods Part 406 Vibration Edition P 1《航空航天系列.安装保护轴套电缆试验方法.第406部分 震动.P1版》.pdf
  • AECMA PREN 6059-501-2009 Aerospace series Electrical cables installation Protection sleeves Test methods Part 501 Voltage proof test Edition P 1《航空航天系列.安装电缆.保护套.测试方法.第501部分 电压验证测试..pdf AECMA PREN 6059-501-2009 Aerospace series Electrical cables installation Protection sleeves Test methods Part 501 Voltage proof test Edition P 1《航空航天系列.安装电缆.保护套.测试方法.第501部分 电压验证测试..pdf
  • AECMA PREN 6059-502-2009 Aerospace series Electrical cables installation Protection sleeves Test methods Part 502 Resistance to electrical arcs Edition P 1《航空航天系列.安装电缆.保护套.测试方法.第50.pdf AECMA PREN 6059-502-2009 Aerospace series Electrical cables installation Protection sleeves Test methods Part 502 Resistance to electrical arcs Edition P 1《航空航天系列.安装电缆.保护套.测试方法.第50.pdf
  • AECMA PREN 6060-1995 Aerospace Series Fibre Reinforced Plastics Test Method Determination of the Tensile Single Lap Shear Strength Edition P1《航空航天系列.纤维加固塑料试验方法拉伸单切变长度.P1版》.pdf AECMA PREN 6060-1995 Aerospace Series Fibre Reinforced Plastics Test Method Determination of the Tensile Single Lap Shear Strength Edition P1《航空航天系列.纤维加固塑料试验方法拉伸单切变长度.P1版》.pdf
  • AECMA PREN 6061-1995 Aerospace Series Fibre Reinforced Plastics Test Method Determination of Sandwich Flexural Strength 4 Point Bending Edition P1《航空航天系列.纤维加固塑料试验方法扰曲强度4点弯曲.P1版》.pdf AECMA PREN 6061-1995 Aerospace Series Fibre Reinforced Plastics Test Method Determination of Sandwich Flexural Strength 4 Point Bending Edition P1《航空航天系列.纤维加固塑料试验方法扰曲强度4点弯曲.P1版》.pdf
  • AECMA PREN 6062-1995 Aerospace Series Fibre Reinforced Plastics Test Method Flatwise Tensile Test of Composite Sandwich Panel Edition P1《航空航天系列.纤维加固塑料试验方法平面拉伸测试混合物面板.P1版》.pdf AECMA PREN 6062-1995 Aerospace Series Fibre Reinforced Plastics Test Method Flatwise Tensile Test of Composite Sandwich Panel Edition P1《航空航天系列.纤维加固塑料试验方法平面拉伸测试混合物面板.P1版》.pdf
  • AECMA PREN 6063-1995 Aerospace Series Fibre Reinforced Plastics Test Method Determination of Material Degradation Due to Chemical Products Edition P1《航空航天系列.纤维加固塑料试验方法由于化学物质退化.P1版》.pdf AECMA PREN 6063-1995 Aerospace Series Fibre Reinforced Plastics Test Method Determination of Material Degradation Due to Chemical Products Edition P1《航空航天系列.纤维加固塑料试验方法由于化学物质退化.P1版》.pdf
  • AECMA PREN 6064-1995 Aerospace Series Non-Metallic Materials Analysis of Non-Metallic Materials (Cured) for the Determination of the Extent of Cure by Differential Scanning Calorim.pdf AECMA PREN 6064-1995 Aerospace Series Non-Metallic Materials Analysis of Non-Metallic Materials (Cured) for the Determination of the Extent of Cure by Differential Scanning Calorim.pdf
  • AECMA PREN 6066-1995 Aerospace Series Fibre Reinforced Plastics Test Method Determination of Tensile Strength of a Tapered and Stepped Joints Edition P1《航空航天系列.纤维加固塑料测试放大拉伸强度锥形接口.P.pdf AECMA PREN 6066-1995 Aerospace Series Fibre Reinforced Plastics Test Method Determination of Tensile Strength of a Tapered and Stepped Joints Edition P1《航空航天系列.纤维加固塑料测试放大拉伸强度锥形接口.P.pdf
  • 相关搜索

    当前位置:首页 > 标准规范 > 国际标准 > ASTM

    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