ImageVerifierCode 换一换
格式:PDF , 页数:7 ,大小:293.51KB ,
资源ID:180768      下载积分:12 积分
快捷下载
登录下载
邮箱/手机:
温馨提示:
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)。 如填写123,账号就是123,密码也是123。
特别说明:
请自助下载,系统不会自动发送文件的哦; 如果您已付费,想二次下载,请登录后访问:我的下载记录
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,免费下载
 

温馨提示:由于个人手机设置不同,如果发现不能下载,请复制以下地址【https://www.wnwk.com/docdown/180768.html】到电脑端继续下载(重复下载不扣费)。

已注册用户请登录:
账号:
密码:
验证码:   换一换
  忘记密码?
三方登录: QQ登录  

下载须知

1: 本站所有资源如无特殊说明,都需要本地电脑安装OFFICE2007和PDF阅读器。
2: 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。
3: 文件的所有权益归上传用户所有。
4. 未经权益所有人同意不得将文件中的内容挪作商业或盈利用途。
5. 本站仅提供交流平台,并不能对任何下载内容负责。
6. 下载文件中如有侵权或不适当内容,请与我们联系,我们立即纠正。
7. 本站不保证下载资源的准确性、安全性和完整性, 同时也不承担用户因使用这些下载资源对自己和他人造成任何形式的伤害或损失。

版权提示 | 免责声明

本文(ASTM_D_2570_-_10.pdf)为本站会员(益****师)主动上传,蜗牛文库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,请立即通知蜗牛文库(发送邮件至admin@wnwk.com或直接QQ联系客服),我们立即给予删除!

ASTM_D_2570_-_10.pdf

1、Designation:D257010Standard Test Method forSimulated Service Corrosion Testing of Engine Coolants1This standard is issued under the fixed designation D2570;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A n

2、umber in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This test method evaluates the effect of a circulatingengine coolant on metal test specimens and automotive coolingsystem components under c

3、ontrolled,essentially isothermallaboratory conditions.1.2 This test method specifies test material,cooling systemcomponents,type of coolant,and coolant flow conditions thatare considered typical of current automotive use.1.3 The values stated in foot-pound-second units are to beregarded as the stand

4、ard.The values given in parentheses(SIunits)are approximate equivalents for information only.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 practic

5、es and determine the applica-bility of regulatory limitations prior to use.Specific precau-tionary statements are given in Section 6.2.Referenced Documents2.1 ASTM Standards:2D1121 Test Method for Reserve Alkalinity of Engine Cool-ants and AntirustsD1176 Practice for Sampling and Preparing Aqueous S

6、olu-tions of Engine Coolants orAntirusts for Testing PurposesD1193 Specification for Reagent WaterD1287 Test Method for pH of Engine Coolants andAntirustsD1384 Test Method for Corrosion Test for Engine Coolantsin GlasswareD2758 Test Method for Engine Coolants by Engine Dyna-mometerD2847 Practice for

7、 Testing Engine Coolants in Car and LightTruck ServiceD3306 Specification for Glycol Base Engine Coolant forAutomobile and Light-Duty ServiceD4985 Specification for Low Silicate Ethylene Glycol BaseEngine Coolant for Heavy Duty Engines Requiring aPre-Charge of Supplemental Coolant Additive(SCA)2.2 S

8、AE Standard:3SAE J20e Standard for Coolant System Hoses2.3 ASTM Adjuncts:Coolant reservoir(1 drawing)Framework for test equipment(3 drawings and B/M)3.Summary of Test Method3.1 An engine coolant is circulated for 1064 h at 190F(88C)in a flow loop consisting of a metal reservoir,anautomotive coolant

9、pump,an automotive radiator,and connect-ing rubber hoses.Test specimens representative of enginecooling system metals are mounted inside the reservoir,whichsimulates an engine cylinder block.At the end of the testperiod,the corrosion-inhibiting properties of the coolant aredetermined by measuring th

10、e mass losses of the test specimensand by visual examination of the interior surfaces of thecomponents.4.Significance and Use4.1 This test method,by a closer approach to engine coolingsystem conditions,provides better evaluation and selectivescreening of engine coolants than is possible from glasswa

11、retesting(Test Method D1384).The improvement is achieved bycontrolled circulation of the coolant,by the use of automotivecooling system components,and by a greater ratio of metalsurface area to coolant volume.4.2 Althoughthistestmethodprovidesimproveddiscrimination,it cannot conclusively predict sat

12、isfactory cor-rosion inhibition and service life.If greater assurance ofsatisfactory performance is desired,it should be obtained fromfull-scale engine tests(Test Method D2758)and from fieldtesting in actual service(Practice D2847).4.3 Significance and interpretation of the test and its limi-tations

13、 are discussed further in Appendix X1.1This test method is under the jurisdiction of ASTM Committee D15 on EngineCoolants and is the direct responsibility of Subcommittee D15.09 on SimulatedService Tests.Current edition approved Dec.1,2010.Published January 2011.Originallyapproved in 1966.Last previ

14、ous edition approved in 2009 as D2570-09.DOI:10.1520/D2570-10.2For 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.3Ava

15、ilable from Society of Automotive Engineers,400 Commonwealth Dr.,Warrendale,PA 15096.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 4.4 If this test method is used as a qualification test forSpecification D3306 and Specification D4985,th

16、e recom-mended components listed in Section 5 shall be used.If it is notbeing used for such qualification purposes,then suitablesubstitution components may be used,if agreed upon betweenthe contracting parties.5.Apparatus5.1 ReservoirAn assembly drawing of this component4isshown in Fig.1.The material of construction,representing thatof the engine cylinder block,shall be SAE G3500 Gray Iron forAutomotive Castings.5Install a right angle fitting on the top ofthe reservoir for attachment of an air l

copyright@ 2008-2023 wnwk.com网站版权所有

经营许可证编号:浙ICP备2024059924号-2