ASTM-G75 2007

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G75-07 Standard Test Method for Determination of Slurry Abrasivity (Miller Number) and Slurry Abrasion Response of Materials (SAR Number)

Published By	Publication Date	Number of Pages
ASTM	2007	20

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Categories: 17.040.20 - Properties of surfaces, ASTM

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Description

1.1 This test method covers a single laboratory procedure that can be used to develop data from which either the relative abrasivity of any slurry (Miller Number) or the response of different materials to the abrasivity of different slurries (SAR Number), can be determined.

1.2 The test data obtained by this procedure is used to calculate either a number related to the rate of mass loss of duplicate standard-shaped 27 % chromium iron wear blocks when run for a period of time in the slurry of interest (Miller Number), or to calculate a number related to the rate of mass loss (converted to volume loss) of duplicate standard-shaped wear specimens of any material of interest when run for a period of time in any slurry of interest (SAR Number).

1.3 The requirement for a finished flat wearing surface on the test specimen for a SAR Number test may preclude application of the procedure where thin (0.051 to 0.127-mm), hard, wear-resistant coatings will not allow for surface finishing. The 6 hours total duration of the SAR Number Test may not allow establishment of a consistent rate-of-mass-loss of the unfinished surface.

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 Terminology
2	Summary of Test Method Significance and Use Apparatus FIG. 1
3	Reagents and Materials Preparation of Apparatus FIG. 2 FIG. 3
4	Procedure FIG. 4
5	Calculation of Results FIG. 5 FIG. 6 TABLE 1
6	Report Precision and Bias FIG. 7 TABLE 2
7	Keywords TABLE 3
8	A1. DISCUSSION OF FACTORS AFFECTING SLURRY ABRASIVITY A1.1 Abrasive A1.2 Slurry Concentration TABLE 4
9	A1.3 Particle Size and Shape A1.4 Corrosion A1.5 Oil-Mixed Slurries FIG. A1.1
10	A2. DEPARTURE A2.1 A2.2 FIG. A1.2
11	X1. COMPUTERIZED REPORTING X1.1 X1.2 Computer Printout X1.3 Computer Printout X1.4 Comparison of Miller Numbers X1.5 Interlaboratory Test Data X1.6 Interlaboratory Test Data X1.7 Interlaboratory Test Data X1.8 Interlaboratory Test Data X1.9 Interlaboratory Test Data X1.10 Interlaboratory Test Data FIG. A2.1
12	FIG. X1.1
13	FIG. X1.2
14	TABLE X1.1 FIG. X1.3
15	FIG. X1.4
16	FIG. X1.5
17	FIG. X1.6
18	FIG. X1.7
19	FIG. X1.8
20	FIG. X1.9

Additional information

Standard Title	G75-07 Standard Test Method for Determination of Slurry Abrasivity (Miller Number) and Slurry Abrasion Response of Materials (SAR Number)
Published Code	ASTM
Publication Date	2007
Pages Count	20
ICS Codes	17.040.20 - Properties of surfaces

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