MATERIAL:
SAE J403 1039 FINE GRAIN STEEL (ASTM E112 5-8) HOT ROLLED COLD WORK QUALITY.
MUST CONFORM TO METALDYNE ENGINEERING SPECIFICAION ESP003876
NORMALIZE PRIOR TO MACHINING TO 156-207 BHN3000/10
CHANGE IN CONTINUOUSLY CAST BLOOM SIZE MUST BE 10:1 MINIMUM AREA REDUCTION.
INCOMING FORGING MATERIAL MUST BE OBTAINED FROM A METALDYNE APPROVED SOURCE.
INTERNAL CLEANLINESS PER ASTM E45 METHOD A TO BE LESS THAN2.5 FOR A.B.C AND D INCLUSIONS.
MATERIAL MUST MEET THE REQUIREMENTS OF ESL-M1A289-A.
CODE MUST BE LEGIBLE AFTER COMPLETION OF ALL SPINDLE/STEM MACHINE OPERATIONS.
100% OF PRODUCTION COMPONENTS MUST UNDERGO:
1.ULTRASONIC INSPECTION FOR FLAWS
2.EDDY CURRENT INSPECTION FOR HARDNESS AND CASE DEPTH
3.EDDY CURRENT FOR SURFACE DEFECTS
STEM AS QUENCHED MUST BE TEMPERED WITHIN 2 HOURS.
MUST CONFORM TO ES-D3TA-3B330-AA
MANUFACTURER TO ESTABLISH PRODUCT ENGINEERING APPROVED CONTROL PLAN.
ENGINEERING APPROVAL OF A MINIMUM OF SIX SAMPLES FROM EACH SUPPLIER IS REQUIRED PRIOR TO FIRST SHIPMENT OF PARTS FOR INITIAL RELEASE AND ALL SUBSEQUENT CHANGE REQUESTS.
FOR CURRENT RELEASE STATUS SEE THE WERS ENGINEERING NOTICE.
CORROSION PROTECTION FOR SERVICE PARTS MUST COMPLY WITH FORD CUSTOMER SERVICE DIVISION (FCSD) PACKAGING AND SHIPPING GUIDE.
CHANGES AFFECTING DESIGN, COMPOSITION, OR PROCESSING OF THE PART PREVIOUSLY APPROVED FOR PRODUCTION REQUIRE PRIOR APPROVAL FROM PRODUCT ENGINEERING REFER TO QS-9000