1、 ENGINEERING MATERIAL SPECIFICATION Material Name Specification Number Date Action Revisions 2002 08 29 Revised Updated and Renumbered; Removed Inactive ESB-M1A111-A 1978 04 25 Metricated and Retyped CAH1-RD572066-12 1963 06 25 Released AS1 #948 Printed copies are uncontrolled Page 1 of 2 Copyright
2、2002, Ford Global Technologies, Inc. STEEL WIRE, #18 GA. HARD DRAWN - ROUND OR SHAPED ESB-M1A110-A (HIGH TENSILE) STEEL WIRE, #18 GA. HARD DRAWN - ROUND OR SHAPED ESB-M1A112-A 1. SCOPE The material defined by these specifications is a cold drawn steel wire. This wire is to be coated as specified in
3、paragraph 3.4. 2. APPLICATION These specifications were released originally for material used in staple machines for fastening weatherstrip to roof, to wheelhouse strainer and similar applications. 3. REQUIREMENTS 3.1 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part produce
4、rs must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.2 CHEMICAL COMPOSITION Carbon 0.70 - 0.85 Manganese 0.70 - 0.85 Sulfur 0.04 max Phosphorus 0.03 maxSilicon 0.10 - 0.20 3.3 MECHANICAL PROPERTIES (ASTM E 8) 3.3.1 Tensile Strength, min 290,000 psi (2000
5、 MPa) 3.3.2 Yield Point, min 275,000 psi (1900 MPa) 3.3.3 Elongation, in 10 in (250 mm) 4.0 % min 3.3.4 Reduction in Area 50.0 % min ENGINEERING MATERIAL SPECIFICATION ESB-M1A110-A ESB-M1A112-A Page 2 of 2 Copyright 2002, Ford Global Technologies, Inc. 3.4 SURFACE FINISH The wire shall be supplied w
6、ith one of the following three surface finishes ESB-M1A110-A Plain ESB-M1A112-A Zinc The surface must be smooth and bright, free from rust and dark spots, excessive drawing lubricants and visible scratches, seams, and slivers. The zinc finish must withstand a 24 hour salt spray corrosion test (ASTM B 117). No electrolytic zinc deposit will be allowed with a Rockwell “C“ 32 hardness or above. 3.5 WEIGHT 166 ft/lb (111 m/kg) (Approximately)
