1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2003 08 22 N-STATUS Replaced by WSS-M3P36-A2, para 3.0 inserted; para 3.1, 3.8 and 4 deleted B. Burnside 2000 11 09 Revised Updated and Renumbered A. Cockman 1963 07 25 Released AS1 1002 Printed copies are uncontrolled Copyright 2003, Ford Glo
2、bal Technologies, Inc. Page 1 of 2 PHOSPHATE COATING PLUS OIL - 72 HOURS ESB-M3P4-A PHOSPHATE COATING PLUS OIL - 96 HOURS ESB-M3P5-A PHOSPHATE COATING PLUS OIL - 120 HOURS ESB-M3P17-A NOT TO BE USED FOR NEW DESIGN 1. SCOPE These specifications define the performance requirements for a phosphate plus
3、 oil coating. 2. APPLICATION These specifications were released originally for parts such as hood hinges and hood locks. 3. REQUIREMENTS 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Production Material
4、s (WSS-M99P1111-A). 3.2 COATING (Permissible Alternates) 3.2.1 Zinc Phosphate or Manganese Phosphate 3.2.2 Zinc Phosphate or Manganese Phosphate, Inorganic Salt Sealed. 3.3 COATING WEIGHT 1000 mg/ft (10.8 g/m) min 3.4 ADHESION There shall be no chipping of the coating from the metal when the coating
5、 is scratched with a knife blade held at a 90 angle to the surface. 3.5 SALT SPRAY RESISTANCE (ASTM B 117) 3.5.1 ESB-M3P4-A No red rust in 72 h minimum. 3.5.2 ESB-M3P5-A No red rust in 96 h minimum. 3.5.3 ESB-M3P17-A No red rust in 120 h minimum. ENGINEERING MATERIAL SPECIFICATIONESB-M3P4-A/5-A/17-A
6、Printed copies are uncontrolled Copyright 2003, Ford Global Technologies, Inc. Page 2 of 2 3.6 OILINESS Phosphate coated and oiled parts must not be wet to the point of staining contacting surfaces after 24 h air dry. 3.7 COLOR Gray, black or as specified on engineering drawing. 5. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of these specifications. 5.1 MATERIAL REFERENCE ESB-M7C17-A
