ASTM-D7038 2009

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D7038-09 Standard Test Method for Evaluation of Moisture Corrosion Resistance of Automotive Gear Lubricants

Published By	Publication Date	Number of Pages
ASTM	2009	26

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Category: ASTM

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Description

1.1 This test method covers a test procedure for evaluating the rust and corrosion inhibiting properties of a gear lubricant while subjected to water contamination and elevated temperature in a bench-mounted hypoid differential housing assembly. This test method is commonly referred to as the L-33-1 test.

1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

1.2.1 Exceptions (1) where there is no direct SI equivalent such as screw threads and national pipe threads/diameters, and (2) the values stated in SI units are to be regarded as standard for the definitions in 12.2, and for SI units where there are no direct inch-pounds equivalent units.

1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

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PDF Pages	PDF Title
1	Scope Referenced Documents
2	Terminology Summary of Test Method Significance and Use Apparatus
3	Reagents and Materials
4	Test Oil Preparation of Apparatus
5	Calibration
6	Test Procedure
7	Determination of Test Results Final Test Report Precision and Bias
8	Keywords A1. SYSTEM SCHEMATICS A1.1 TABLE 1 TABLE 2
9	FIG. A1.1
10	FIG. A1.2
11	FIG. A1.3
12	FIG. A1.4
13	FIG. A1.5
14	FIG. A1.6
15	FIG. A1.7
16	FIG. A1.8
17	FIG. A1.9
18	FIG. A1.10
19	FIG. A1.11
20	FIG. A1.12
21	FIG. A1.13
22	FIG. A1.14
23	A2. TEST VALIDITY CALCULATION AND LIMITS A2.1 A2.2 Downtime Limits A2.3 Deviation from Test Operating Parameters FIG. A1.15 TABLE A2.1
24	A3. L-33-1 TEST REPORT FORMS and DATA DICTIONARY A3.1 A4. L-33-1 RATING PROCEDURE A4.1 A4.2 A4.3 A4.4 A4.5 A4.6 A4.7 A4.8 A4.9 A4.10 A4.11 A4.12 A5. L-33-1 TEST CONTROL CHART TECHNIQUE FOR DEVELOPING AND APPLYING SEVERITY ADJUSTMENTS (SA) A5.1
25	A6. L-33-1 RUST/CORROSION WEIGHTING FACTORS A6.1 A7. THE ROLE OF THE ASTM TEST MONITORING CENTER AND THE CALIBRATION PROGRAM A7.1 Nature and Functions of the ASTM TMC A7.2 Rules of Operation of the ASTM TMC A7.3 Management of the ASTM TMC A7.4 Operating Income of the ASTM TMC A7.5 Conducting a Reference Oil Test A7.6 New Laboratories A7.7 Introducing New L-33-1 Reference Oils TABLE A6.1
26	A7.8 TMC Information Letters A7.9 TMC Memoranda A7.10 Precision Data

Additional information

Standard Title	D7038-09 Standard Test Method for Evaluation of Moisture Corrosion Resistance of Automotive Gear Lubricants
Published Code	ASTM
Publication Date	2009
Pages Count	26

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