1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev. 0 2012 07 31 Activated K. Cosgrave, EU Copyright 2012, Ford Global Technologies, LLC Page 1 of 3 GREASE, CALCIUM COMPLEX, CORROSION CONTROL LUBRICANT WSS-M1C172-A2 1. SCOPE The material defined by this specification is a NLGI 1.5 grease
2、consisting of a mineral oil base, a calcium-sulfonate soap thickener and other additives to give the desired characteristics. 2. APPLICATION This specification was released originally for materials used for the lubrication of wheel pilot bores to prevent corrosion and seizure between the hub and roa
3、d wheel interface. 3. REQUIREMENTS 3.1 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements for Production Materials (WSS-M99P1111-A). . 3.2 COLOR Amber to Brown (Visual) 3.3 WORKED PENETRATION, tenths of a millimeter
4、 290 - 320 (ASTM D217, ISO 2137, 60 strokes, 25 C) 3.4 DROPPING POINT 260C min (ASTM D2265, DIN ISO 2176) 3.5 CORROSION PROTECTION 3.5.1 Copper Corrosion (Copper Strip) 1b max (ASTM D4048, ISO 2160, 24hr, 100 C) 3.5.2 Bearing Corrosion (Rust Test) Pass (ASTM D1743, 48hr, 52 C) 3.5.3 Emcor Corrosion
5、0/1 max (ASTM D6138, DIN 51802, 168hrs) 3.6 WATER RESISTANCE 3.6.1 Water Washout 5% max (ASTM D1264, DIN 51807 T2, 79 C) 3.6.2 Water Spray-off 40% max (ASTM D4049, 38 C) 3.7 FLOW PRESURE 1400 hPa max (DIN 51805, -20 C) ENGINEERING MATERIAL SPECIFICATION WSS-M1C172-A2 Copyright 2012, Ford Global Tech
6、nologies, LLC Page 2 of 3 4. GENERAL INFORMATION This information given below is provided for clarification and assistance in meeting the requirements of this specification. Grease approved to this specification should have the following typical properties. 4.1 COMPOSITION 4.1.1 Base Oil Content (Mi
7、neral Oil) 75 % (According to formulation) 4.1.2 Thickener Content (Calcium Sulfonate) 15 % (According to formulation) 4.2 BASE OIL PROPERTIES 4.2.1 Kinematic Viscosity at 40 C 460.0 mm2/s (ASTM D445, D2161) 4.2.2 Kinematic Viscosity at 100 C 30.10 mm2/s (ASTM D445, D2161) 4.2.3 Flashpoint 288 C (AS
8、TM D92) 4.3 PENETRATION (ASTM D217, ISO 2137, 60 strokes, 25 C) 4.3.1 Worked Penetration, 60 strokes 308 4.3.2 Prolonged Worked Penetration, 100,000 strokes +7.5 % 4.4 FLOW PRESURE 695 hPa (DIN 51805, -20 C) 4.5 LOAD CARRYING PROPERTIES 4.5.1 Four Ball Wear Test 0.55 mm (ASTM D 2266, DIN 51350 T5 1h
9、r, 1200 rpm, 40kg, 75 C) 4.5.2 Four Ball EP Weld Load 620 kgf (ASTM D 2596, DIN 51350 T4) 4.6 OIL SEPERATION DURING STORAGE 0.5 % (ASTM D 1742, 24hr, 0.25Psi, 40 C) 4.7 INTERFACE COMPATIBILITY 4.7.1 Chemical Attack to Painted Surfaces (FLTM BJ 126-01) Note: Not tested for initial application of this
10、 grease. Grease must be tested for chemical attack to painted surfaces for applications that come in contact with paint surfaces, ex. E-coat and powder coat. ENGINEERING MATERIAL SPECIFICATION WSS-M1C172-A2 Copyright 2012, Ford Global Technologies, LLC Page 3 of 3 4.7.2 Resistance to Stress Cracking
11、 (FLTM BO 127-03) Note: Not tested for initial application of this grease. Grease must be 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. 4.7.3 Elastomer Compatibility (ASTM D 4289, 70h, 100oC, DIN 53505, DIN 53504) Note: Not tested for initial application of this grease. Grease must 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.
