1、 This document is restricted and may not be sent outside Navistar, Inc. or reproduced without permission from Corporate Technical Standards. Suppliers are required to assume all patent liability. 2009 by Navistar, Inc. AUGUST 2009 Page 1 of 1 NAVISTAR, INC. CEMS (CORPORATE ENGINEERING MATERIAL SPECI
2、FICATION) NUMBER: CEMS BT-5 TITLE: Copper Corrosion Test CURRENT ISSUE DATE: August 2009 WRITTEN/REVIEWED BY: Materials Engineering APPROVED BY: Materials Engineering SUPERSEDES ISSUE OF: October 2001 This method covers a procedure to determine the effect of steering gear lubricant on copper. APPART
3、US AND MATERIALS (1) Copper strip per ASTM Designation D130. (2) Well refined straight mineral oil (with a copper strip corrosion rating of 1, maximum), viscosity 100F (38C) of approximately 75 SUS. (3) Test tube. PROCEDURE Perform the test in accordance with ASTM Designation D 130, 7.1.1, with the
4、following modification: Immerse the copper strip in a mixture of one part (by volume) test fluid in four parts of straight mineral oil for 3 hours at 212F (100C) in a test tube. REPORT Evaluate the strip in comparison with copper strip ”Corrosion Standards” referred to in ASTM Designation D 130. PRI
5、NTED COPIES OF THIS DOCUMENT MUST BE VERIFIED FOR CURRENT REVISION This specification may involve hazardous materials, equipment, and procedures. This specification does not purport to address all of the safety issues associated with its use. The user is responsible to consult appropriate safety and
6、 health practices and to determine the applicability of regulatory limits prior to use. Change Notice: Replaced “International Truck and Engine Corporation” with “Navistar, Inc.” per corporate directive. 1.0 SCOPE This method covers a procedure to determine the effect of steering gear lubricant on c
7、opper. 2.0 APPARATUS AND MATERIALS (1) Copper strip per ASTM D 130. (2) Well refined straight mineral oil (with a copper strip corrosion rating of 1, maximum), viscosity 100F (38C) of approximately 75 SUS. (3) Test tube. 3.0 PROCEDURE Perform the test in accordance with ASTM D 130, 7.1.1, with the following modification: Immerse the copper strip in a mixture of one part (by volume) test fluid in four parts of straight mineral oil for 3 hrs at 212F (100C) in a test tube. 4.0 REPORT Evaluate the strip in comparison with copper strip “Corrosion Standards” referred to in ASTM D 130.
