FORD WSD-M1P85-A3-2011 PLATING ZINC OVER FERROUS SURFACES 13 0 micrometers TO BE USED WITH FORD WSS-M99P1111-A (Shown on FORD WSD-M1P85-A1)《在亚铁表面电镀13 0 μm的锌镀层 与福特WSS-M99P1111-A .pdf

上传人:inwarn120 文档编号:749781 上传时间:2019-01-14 格式:PDF 页数:2 大小:40.37KB
下载 相关 举报
FORD WSD-M1P85-A3-2011 PLATING ZINC OVER FERROUS SURFACES 13 0 micrometers  TO BE USED WITH FORD WSS-M99P1111-A  (Shown on FORD WSD-M1P85-A1)《在亚铁表面电镀13 0 μm的锌镀层  与福特WSS-M99P1111-A .pdf_第1页
第1页 / 共2页
FORD WSD-M1P85-A3-2011 PLATING ZINC OVER FERROUS SURFACES 13 0 micrometers  TO BE USED WITH FORD WSS-M99P1111-A  (Shown on FORD WSD-M1P85-A1)《在亚铁表面电镀13 0 μm的锌镀层  与福特WSS-M99P1111-A .pdf_第2页
第2页 / 共2页
亲,该文档总共2页,全部预览完了,如果喜欢就下载吧!
资源描述

1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev 03 2011 08 03 N Status Replaced by WSS-M1P85-B1/2 G. Weber, NA 2004 03 17 Revised Returned to active status, rev para 2. and 5.2 B. Curtiss 1988 02 26 SM/ER 2835 TC Released. J P C Lines. EAO. Controlled document at www.MATS Copyright 201

2、1, Ford Global Technologies, LLC Page 1 of 2 PLATING, ZINC OVER FERROUS SURFACES WSD-M1P85-A1 5.0 micrometers PLATING, ZINC OVER FERROUS SURFACES WSD-M1P85-A2 8.0 micrometers PLATING, ZINC OVER FERROUS SURFACES WSD-M1P85-A3 13.0 micrometers NOT TO BE USED FOR NEW DESIGN 1. SCOPE These specifications

3、 define performance requirements for the electrolytic or non-electrolytic deposition of zinc coatings. 2. APPLICATION These specifications were released originally to define performance requirements for zinc coatings where corrosion protective and/or decorative finishes on ferrous surfaces are requi

4、red. A supplementary hexavalent chromium free treatment may be applied to zinc coated parts to retard the formation of white corrosion products. 3. REQUIREMENTS All requirements identified for each specification must be met to achieve acceptable field durability. No one requirement, exclusive of oth

5、ers, is capable of insuring satisfactory performance. Any deviations to the requirements of these specifications may be subject to additional performance requirements. 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requi

6、rements For Production Materials (WSS-M99P1111-A). 3.2 PLATING THICKNESS AND CORROSION RESISTANCE, min Specification Plating Salt Spray Number Thickness Test Duration micrometers hours WSD-M1P85-A1 5.0 24 WSD-M1P85-A2 8.0 48 WSD-M1P85-A3 13.0 96 3.2.1 Plating Thickness (ASTM B 659) The plating thick

7、ness requirement identified above represents minimum values and applies to all significant surfaces unless otherwise specified on the Engineering Drawing. Note: In case of dispute, the thickness measurement umpire method shall be metallographic sectioning per ASTM B 487. ENGINEERING MATERIAL SPECIFI

8、CATION WSD-M1P85-A1/A3 Controlled document at www.MATS Copyright 2011 Ford Global Technologies, LLC Page 2 of 2 3.2.2 Accelerated Corrosion Resistance (Salt Spray) (ASTM B 117) Evidence of basis metal red rust corrosion products on significant surfaces following testing when evaluated by the unaided

9、 eye at normal reading distance constitutes failure of the part. Note: All part testing requirements apply to those areas of the part identified as a significant surface per para 5.1 unless otherwise specified on the engineering drawing. 3.3 PLATING ADHESION (ASTM B 571) Adhesion of the electroplate

10、 to the base metal must conform to the requirements of the following test methods per ASTM B 571 unless otherwise indicated. 3.3.1 Grind-Saw Test No lifting or peeling of the electroplate from the substrate is permitted following the grind-saw test. 3.3.2 Burnishing Test No blistering, lifting, or p

11、eeling of the electroplate from the substrate is permitted following the burnishing test. 3.4 EMBRITTLEMENT Parts plated to this specification shall be free from the detrimental effects of hydrogen embrittlement or other factors which result in part brittleness. All parts shall meet the requirements

12、 of WSS-M99A3-A. 5. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of these specifications. 5.1 SIGNIFICANT SURFACES Unless otherwise specified on the engineering drawing, significant surfaces are defined as those surfaces of

13、the finished part that: Are directly visible and/or visible by reflection when the finished part is assembled in position, and/or, Can be the source of corrosion products directly visible or visible by reflection. 5.2 CONVERSION OR OTHER ADDITIONAL COATINGS Special finishes may be required on some parts, in which case the Engineering Drawings will be marked accordingly: zinc plate per WSD-M1P85-A plus trivalent chromium conversion coating or zinc plate WSD-M1P85-A plus hexavalent chromium free coating.

展开阅读全文
相关资源
猜你喜欢
相关搜索

当前位置:首页 > 标准规范 > 国际标准 > 其他

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