1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2005 11 11 Activated C. Goncalves Printed copies are uncontrolled Copyright 2005, Ford Global Technologies, LLC Page 1 of 6 LUBRICANT, LIMITED SLIP REAR AXLE HYPOID, SAE 85W-140 WSS-M2C940-A 1. SCOPE The material defined by this specification
2、is a solvent refined petroleum base lubricant blended with sulfur/ phosphorus/nitrogen extreme pressure and a friction modifier additive. The oil has improved oxidation stability and functions at MIL-L-2105D and API GL-5 performance levels. 2. APPLICATION This specification was released originally f
3、or use in limited slip rear axle assemblies with hypoid type drive gears. Note: Do not add any extra friction modifier to this product. 3. REQUIREMENTS 3.1 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Prod
4、uction Materials (WSS-M99P1111-A). 3.2 METHOD OF SAMPLING (ASTM D 4057) 3.3 ACCEPTANCE REQUIREMENTS The oil shall meet all the requirements of API service category GL-5 as defined in ASTM STP512A, “Laboratory Performance Tests for Automotive Gear Lubricants“. It shall also meet the requirements of M
5、IL-L2105D specification. All tests under surveillance by ASTM must be conducted using calibrated test equipment. These tests must be conducted on each blend of material (tank car or truck): 3.3.1 Density Report (ASTM D 4052) 3.3.2 Total Sulfur, min. 1.6% (ASTM D 1552/D 4951) 3.3.3 Total Phosphorus 0
6、10 - 0.15% (ASTM D 4927/D 4951) 3.3.4 Moisture, max 0.10% (ISO 3733/ASTM D 95) ENGINEERING MATERIAL SPECIFICATIONWSS-M2C940-A Printed copies are uncontrolled Copyright 2005, Ford Global Technologies, LLC Page 2 of 6 3.3.5 Viscosity at 100 C, min 24.0 mm2/s (ASTM D 3104/ASTM D 445) 3.3.6 Viscosity I
7、ndex, min 90 (ASTM D 2270) 3.3.7 Pour Point, max -15 C (ISO 3016/ASTM D 97) 3.3.8 Flash Point, min 190 C (ISO 2160/ASTM D 92) 3.3.9 Copper Corrosion, 100 C, 3h, max. 2b (ISO 2160/ASTM D 130) 3.3.10 Anti-Foaming Properties (ASTM D 892) Volume of Foam, max 50 mL (After sequences 1, 2 and/or 3) Volume
8、of Foam, max 0 mL (After 5 minutes standing) 3.3.11 Quality Shall not be abrasive or corrosive to steel in the presence or absence of water and shall contain no filler, such as talc, Fullers earth, mica pulp, cork, asbestos, or other deleterious substances. 3.4 QUALIFICATION TESTING In addition to i
9、nitial acceptance tests, these are to be conducted by all new suppliers prior to source approval and at least once every 6 months. 3.4.1 Documentation Supplier must furnish to the affected Materials Engineering activity a completed and certified copy of the attached Supplement A max D 892 50 mL Afte
10、r 5 minutes standing 0 mL Qualification Testing (every 12 months): Temperature for Viscosity of 150,000 mPa.s, max D 2983 -15 C Nitrogen, % D 3228 0.06 min Thermal Stability, 72h, 120 C FLTM BI 153-01 Viscosity increase, max 10% Evaporation Loss, max 1.5% Deposits No precipitation Water Tolerance Te
11、st, FLTM BI 166-01 (ASTM D 665) No rust Timken , Load, OK, lb, min, D 2782 60 Total Acid Number, mg KOH/g (Reference) D 664 Report Total Base Number, mg KOH/g (Reference) D 2896 Report ENGINEERING MATERIAL SPECIFICATIONWSS-M2C940-A Printed copies are uncontrolled Copyright 2005, Ford Global Technolo
12、gies, LLC Page 5 of 6 Supplement A Page 2 of 2 Oil Company_ Date_ Product Name_ Product Code_ Physical/Chemical Properties Qualification and 100% Certification Testing: Test Results Mfg. Limits Elemental Analysis: Barium, % _ _ Boron, % _ _ Calcium, % _ _ Chlorine, % _ _ Copper, % _ _ Magnesium, % _
13、 _ Nitrogen, % _ _ Phosphorus, % _ _ Potassium, % _ _ Sodium, % _ _ Sulphur, % _ _ Zinc, % _ _ Other (.001%) _ _ Supplier Signature_ Title_ Material Engineering Concurrence_ ENGINEERING MATERIAL SPECIFICATIONWSS-M2C940-A Printed copies are uncontrolled Copyright 2005, Ford Global Technologies, LLC P
14、age 6 of 6 Supplement B Supplier_ Date_ Product Name_ Product Code_ Blend Plant Location_ BASE STOCKS Manufacturing Limits Base Oil Volume % Viscosity at 100 C mm2/s Viscosity at 40 C mm2/s Sulphur, % Pour Point, C A _ _ _ _ _ B _ _ _ _ _ C _ _ _ _ _ D _ _ _ _ _ Refinery Name & Location Process Type Crude A _ _ _ B _ _ _ C _ _ _ D _ _ _ Additives Type/ Function Manufacturer Code Name Description Carrier Oil In additive Vol, % Additive in Finished Oil Vol, % A _ _ _ _ _ B _ _ _ _ _ C _ _ _ _ _ D _ _ _ _ _ Signature_ Title_
