ImageVerifierCode 换一换
格式:PDF , 页数:2 ,大小:58.57KB ,
资源ID:457547      下载积分:10000 积分
快捷下载
登录下载
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   
注意:如需开发票,请勿充值!
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【http://www.mydoc123.com/d-457547.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: 微信登录  

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 A128 A128M-1993(2012) Standard Specification for Steel Castings Austenitic Manganese 《奥氏体锰钢铸件的标准规格》.pdf)为本站会员(arrownail386)主动上传,麦多课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,请立即通知麦多课文库(发送邮件至master@mydoc123.com或直接QQ联系客服),我们立即给予删除!

ASTM A128 A128M-1993(2012) Standard Specification for Steel Castings Austenitic Manganese 《奥氏体锰钢铸件的标准规格》.pdf

1、Designation: A128/A128M 93 (Reapproved 2012)Standard Specification forSteel Castings, Austenitic Manganese1This standard is issued under the fixed designation A128/A128M; the number immediately following the designation indicates the yearof original adoption or, in the case of revision, the year of

2、last revision. A number in parentheses indicates the year of last reapproval.A superscript epsilon () indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the Department of Defense.1. Scope1.1 This specification covers Hadfield au

3、stenitic manganesesteel castings and alloy modifications.1.2 The values stated in either inch-pound units or SI unitsare to be regarded separately as standard. Within the text, theSI units are shown in brackets. The values stated in eachsystem are not exact equivalents; therefore, each system mustbe

4、 used independently of the other. Combining values from thetwo systems may result in nonconformance with the specifi-cation.2. Referenced Documents2.1 ASTM Standards:2A781/A781M Specification for Castings, Steel and Alloy,Common Requirements, for General Industrial Use3. General Conditions for Deliv

5、ery3.1 Material furnished to this specification shall conform tothe requirements of Specification A781/A781M, including anysupplementary requirements that are indicated in the purchaseorder. Failure to comply with the general requirements ofSpecification A781/A781M constitutes nonconformance withthi

6、s specification. In case of conflict between the requirementsof this specification and Specification A781/A781M, thisspecification shall prevail.4. Ordering Information4.1 Orders for material under this specification shouldinclude the following information in proper sequence.4.1.1 Quantity,4.1.2 Spe

7、cification, grade,4.1.3 Whether any portion of the casting is to be chilled, andwhether this is to be spot or full-face chilling,4.1.4 Special heat-treatment requirements, and4.1.5 Supplementary requirements.5. Heat Treatment5.1 The castings shall be suitably heat treated to achievetoughness and duc

8、tility. This heat treatment shall consist ofuniformly heating the castings to a temperature applicable forgrade of steel produced, at least 1800F 1000C, and holdinguntil the temperature is uniform throughout and quenching inan applicable medium, normally water.5.2 By agreement between the purchaser

9、and the manufac-turer, castings may be furnished in a condition other thandescribed in 5.1.6. Chemical Composition6.1 The steel shall conform to the requirements as tochemical composition prescribed in Table 1.6.2 Contamination of the drillings by drill chips must beavoided. Flat drills of the best

10、highspeed steels, or drills ofsome of the newer tool materials, will generally be satisfactoryfor drilling manganese steel. Manganese steel may be drilledbest after it has been annealed for several hours at from 900 to1100F 500 to 600C.7. Repair by Welding7.1 Defects shall be welded using a procedur

11、e and welderscapable of producing sound welds. The weld deposit shall beaustenitic steel in general, but welds on wearing surfaces shallconsist of austenitic-manganese steel.7.2 Weld repairs shall be inspected to the same qualitystandards as are used to inspect the castings.8. Keywords8.1 austenitic

12、 manganese steel; manganese steel; steelcastings1This specification is under the jurisdiction of ASTM Committee A01 on Steel,Stainless Steel and Related Alloys and is the direct responsibility of SubcommitteeA01.18 on Castings.Current edition approved March 1, 2012. Published April 2012. Originallya

13、pproved in 1930. Last previous edition approved in 2007 as A128/A128M 93(2007). DOI: 10.1520/A0128_A0128M-93R12.2For 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

14、standards Document Summary page onthe ASTM website.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.SUPPLEMENTARY REQUIREMENTSAlist of standardized supplementary requirements for use at the option of the purchaser is describedin Speci

15、fication A781/A781M. Those which are considered suitable for use with this specification arelisted below by title only. Additional supplementary requirements suitable for use with thisspecification at the option of the purchaser are described below. One or more of the supplementaryrequirements indic

16、ated below may be included in the purchasers order or contract. When so included,a supplementary the same force as if it were in the body of the specification. Supplementaryrequirements details not fully described shall be agreed upon between the purchaser and the supplier,but shall not negate any o

17、f the requirements in the body of the specification.S6. CertificationS8. MarkingS50. Bend TestS50.1 The test specimen shall withstand cold bendingthrough 150 around a pin 1 in. 25.4 mm in diameter withoutbreaking into two pieces. (Surface cracks after bending are notconsidered as failure if the samp

18、le remains in one piece.) Thespecimen may be bent by any method preferred by themanufacturer. When the bend test is specified, one such testshall be made from each heat of steel.NOTE The bend test has become essentially obsolete as a result ofimproved technology. Furthermore, it is not recommended a

19、s a suitabletest for the special alloy grades.S50.2 The bend specimen shall be poured in separatemoldsfrom the same heat of steel as the castings. They shall be12 by34 in. 13 by 19 mm in cross section and 12 in. 300 mm inlength, and shall be heat treated and tested without beingmachined or ground, e

20、xcept when necessary to remove surfaceirregularities or decarburization.S50.3 Bend specimens shall be heat treated in the samemanner as the castings they represent, with due regard for themetal section. At the discretion of the manufacturer and unlessotherwise specified by the purchaser, specimens m

21、ay be heattreated separately or with the castings they represent.S50.4 If any specimen fails as the result of flaws, it may bediscarded and another specimen tested from the same heat. Ifthe results of the bend tests for any heat do not conform to therequirements specified, the manufacturer may rehea

22、t treat andretest additional specimens from the same heat, but not morethan twice. In the case of reheat treating and retesting, twobend tests from each heat shall be required.ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item menti

23、onedin this standard. Users of this standard are expressly advised that 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 a

24、nd must be reviewed every five years andif not revised, either reapproved 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

25、of theresponsible technical committee, which you may attend. If you feel 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 Bo

26、x C700, West Conshohocken, PA 19428-2959,United States. Individual reprints (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). Perm

27、ission rights to photocopy the standard may also be secured from the ASTM website (www.astm.org/COPYRIGHT/).TABLE 1 Chemical RequirementsGradeAComposition, %Carbon Manganese Chromium Molybdenum Nickel Silicon PhosphorusAB1.051.35 11.0 min . . . 1.00 max 0.07 maxB-1 0.9 1.05 11.514.0 . . . 1.00 max 0

28、.07 maxB-2 1.051.2 11.514.0 . . . 1.00 max 0.07 maxB-3 1.121.28 11.514.0 . . . 1.00 max 0.07 maxB-4 1.2 1.35 11.514.0 . . . 1.00 max 0.07 maxC 1.051.35 11.514.0 1.52.5 . . 1.00 max 0.07 maxD 0.7 1.3 11.514.0 . . 3.04.0 1.00 max 0.07 maxE-1 0.7 1.3 11.514.0 . 0.91.2 . 1.00 max 0.07 maxE-2 1.051.45 11

29、.514.0 . 1.82.1 . 1.00 max 0.07 maxF (J91340) 1.051.35 6.08.0 . 0.91.2 . 1.00 max 0.07 maxASection size precludes the use of all grades and the producer should be consulted as to grades practically obtainable for a particular design required. Final selectionshall be by mutual agreement between manufacturer and purchaser.BUnless otherwise specified, Grade A will be supplied.A128/A128M 93 (2012)2

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