BS 2000-239(2004) : 2004
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
METHODS OF TEST FOR PETROLEUM AND ITS PRODUCTS - BS 2000-239: DETERMINATION OF THE EXTREME-PRESSURE AND ANTI-WEAR PROPERTIES OF FLUIDS - FOUR BALL METHOD (EUROPEAN CONDITIONS)
23-07-2013
12-01-2013
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Reagents and materials
5.1 Cleaning solvents
6 Apparatus
6.1 Four-ball extreme-pressure lubricant testing machine
6.2 Friction recording device (optional)
6.3 Loading discs
6.4 Microscope
6.5 Timer
6.6 Test balls
6.7 Assembly device
7 Samples and sampling
8 Preparation of apparatus
9 General procedure
10 Test procedures
10.1 Mean Hertz load (MHL)
10.2 Wear-load curve, welding load, flash temperature parameter
and initial seizure load
10.3 Wear test
11 Calculations
11.1 General
11.2 Mean Hertz load
11.3 Wear-load curve, flash temperature parameter and initial
seizure load
12 Expression of results
13 Precision
13.1 General
13.2 Repeatability
13.3 Reproducibility
14 Test report
Annex A (normative) Mean Hertz load data sheet
Annex B (normative) Calibration of friction recorder springs
Bibliography
Gives procedures for the measurement of the extreme-pressure (EP) and anti-wear properties of lubricating oils and fluids by means of the four ball machine.
| Committee |
PTI/13
|
| DocumentType |
Standard
|
| PublisherName |
Energy Institute (formerly Institute of Petroleum - IP)
|
| Status |
Withdrawn
|
| ISO 3170:2004 | Petroleum liquids — Manual sampling |
| ISO 683-17:2014 | Heat-treated steels, alloy steels and free-cutting steels — Part 17: Ball and roller bearing steels |
| EN ISO 683-17:2014 | Heat-treated steels, alloy steels and free-cutting steels - Part 17: Ball and roller bearing steels (ISO 683-17:2014) |
| ISO 4259:2006 | Petroleum products Determination and application of precision data in relation to methods of test |
| EN ISO 3170:2004 | Petroleum liquids - Manual sampling (ISO 3170:2004) |
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