1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev. 1 2011 09 02 Revised See summary of revisions paragraph 5. K. Cosgrave, FOE 2008 02 21 Activated K. Cosgrave, FOE Controlled document at www.MATS Copyright 2011, Ford Global Technologies, LLC Page 1 of 3 GREASE, PAO - BARIUM COMPLEX SOAP
2、 WSS-M1C273-A 1. SCOPE The material defined by this specification is a NLGI 2 grease consisting of polyalfaolefin base fluid, barium complex soap thickener, extreme pressure additives and oxidation and corrosion inhibitors to give the desired characteristics. 2. APPLICATION This specification was re
3、leased originally for materials used for lubrication of MMT6 and IB5 transmission input shaft splines. The validated material is exclusive to GETRAG Ford Transmissions GMBH and should not be considered for use in other applications without validation. 3. REQUIREMENTS 3.1 STANDARD REQUIREMENTS FOR PR
4、ODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements for Production Materials (WSS-M99P1111-A). 3.2 COLOR Light Grey (Visual) 3.3 WORKED PENETRATION, tenths of a millimeter 265 - 295 (ASTM D 217, DIN 2137, 60 strokes) 3.4 DROPPING POINT 230C min
5、 (ASTM D 556, ASTM D 2265, DIN ISO 2176) 3.5 EMCOR CORROSION Rating 0 max (ASTM D 6138, DIN 51802) (No corrosion) 3.6 4 BALL WELD LOAD 4000N min (ASTM D 6138, DIN 51350 T4) 3.7 FUNCTIONAL APPROVAL GETRAG Ford Transmissions GMBH reserve the right to subject materials submitted against this specificat
6、ion, to any additional investigation they consider necessary and use the data derived for their approval qualification. 4. GENERAL INFORMATION This information given below is provided for clarification and assistance in meeting the requirements of this specification. Contact for questions concernin
7、g Engineering Material Specifications. Grease approved to this specification should have the following typical properties. ENGINEERING MATERIAL SPECIFICATION WSS-M1C273-A Copyright 2011, Ford Global Technologies, LLC Page 2 of 3 4.1 COMPOSITION 4.1.1 Barium Complex Soap 40-50 % (According to formula
8、tion) 4.1.2 Base Oil Content PAO 40-50 % (According to formulation) 4.2 BASE OIL PROPERTIES 4.2.1 Kinematic Viscosity at 40oC 50 mm2/s (DIN 51562 T01) 4.2.2 Kinematic Viscosity at 100oC 8 mm2/s (DIN 51562 T01) 4.2.3 Pour Point -65 C (DIN ISO 3016) 4.2.4 Flashpoint 268 C (DIN ISO 2592) 4.3 PENETRATIO
9、N (ASTM D 217, DIN 2137) 4.3.1 Worked Penetration, 60 strokes 274 4.3.2 Prolonged Worked Penetration, 100,000 strokes -2 % change from 60 stroke 4.4 WATER RESISTANCE, STATIC TEST Rating 0 (DIN 51807 T1, 90oC) (No change) 4.5 FLOW PRESURE 550 mbar (DIN 51805, -35oC) 4.6 OIL SEPERATION 0.7 % (DIN 5181
10、7, 18h, 40oC) 4.7 OXIDATION STABILITY 0.05 kPa (DIN 51808, t=100hr, T=99oC) 4.8 INTERFACE COMPATIBILITY 4.8.1 Chemical Attack to Painted Surfaces (FLTM BJ 126-01) Note: Not tested for initial application of this grease. Grease must be tested for chemical attack to painted surfaces for applications t
11、hat come in contact with paint surfaces, ex. E-coat and powder coat. ENGINEERING MATERIAL SPECIFICATION WSS-M1C273-A Copyright 2011, Ford Global Technologies, LLC Page 3 of 3 4.8.2 Resistance to Stress Cracking (FLTM BO 127-03) Note: Not tested for initial application of this grease. Grease must be
12、tested for resistance to stress cracking when used for additional applications that come in contact with polymers such as PC, ABS, PC+ABS, ASA or acrylic. 4.8.3 Elastomer Compatibility (ASTM D 4289, 70h, 100oC, DIN 53505, DIN 53504) Note: Not tested for initial application of this grease. Grease mus
13、t be tested for elastomer compatibility when used on additional applications that come in contact with elastomers. Application specific elastomer should be used for testing instead of a reference elastomer. 5. SUMMARY OF REVISIONS 2011 09 02 Revise material description under Scope Add additional information under Application. Lot certification tests moved to Requirements, all other requirements moved to General Information. Add Functional Approval to Requirements. Add information on interface compatibility which is a requirement of WSS-M13P13-A.
