ASTM-G93 1996

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G93-96 Standard Practice for Cleaning Methods and Cleanliness Levels for Material and Equipment Used in Oxygen-Enriched Environments

Published By	Publication Date	Number of Pages
ASTM	1996	22

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Categories: 71.040.20 - Laboratory ware and related apparatus, ASTM

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Description

1.1 This practice covers the selection of methods and apparatus for the cleaning of materials and equipment intended for service in oxygen-enriched environments. Contamination problems encountered in the use of enriched air, mixtures of oxygen with other gases, or any other oxidizing gas may be solved by the same cleaning procedures applicable to most metallic and nonmetallic materials and equipment. Cleaning examples for some specific materials, components, and equipment, and the cleaning methods for particular applications, are described in detail in the appendix.

1.2 This guide does not include levels of cleanliness necessary for various applications and materials. These sections are currently under development and will be included in a future revision.

1.3 This standard does not purport to address all of the safety problems, 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. Federal, state and local safety and disposal regulations concerning the particular hazardous materials, reagents, operations and equipment being used should be reviewed by the user. The user is encouraged to obtain the Material Safety Data Sheets (MSDS) from the manufacturer for any material incorporated into a cleaning process. Specific cautions are given in Section 8.

PDF Catalog

PDF Pages	PDF Title
1	Scope Referenced Documents
2	Terminology Summary of Practice Significance and Use Interferences
3	TABLE 1 TABLE 2
4	Conditioning Cleaning Methods FIG. 1
6	TABLE 3
7	TABLE 4
8	TABLE 5
9	TABLE 6
10	Cleaning Procedures TABLE 7
11	Cleanliness Requirements
12	Inspection
14	Packaging and Package Marking
15	Ordering Information Keywords X1. EXAMPLE NUMBER 1—CLEANING OF CARBON STEEL PIPING X1.1 X1.2 X1.3 X1.4 X1.5 X1.6 TABLE 8
16	X1.7 X2. EXAMPLE NUMBER 2—CLEANING COPPER, BRASS, OR STAINLESS STEEL X2.1 X3. EXAMPLE NUMBER 3—REMOVING SILICONE COMPOUNDS AND GREASES FROM GLASS, PORCELAIN, AND OTHER CERAMICS X3.1 X3.2 X3.3 X3.4 X3.5 X3.6 X4. EXAMPLE NUMBER 4—REMOVING SILICONE COMPOUNDS AND GREASE FROM TIN, ALUMINUM, AND ZINC ALLOYS X4.1 X4.2 X4.3 X4.4 X4.5 X4.6
17	X5. EXAMPLE NUMBER 5—REMOVING SILICONE COMPOUNDS AND GREASES FROM STEEL, IRON, IRON ALLOYS, COPPER, AND COPPER ALLOYS X5.1 X5.2 X5.3 X5.4 X5.5 X5.6 X6. EXAMPLE NUMBER 6—CLEANING OF A MACHINED BRASS BAR STOCK REGULATOR BODY (FREE CUTTING BRASS CDA-360) FOR 4500 PSIG GASEOUS OXYGEN SERVICE X6.1 X7. EXAMPLE NUMBER 7—CLEANING OF AUSTENITIC, FERRITIC MARTENSITIC AND PRECIPITATION HARDENING STAINLESS STEELS X7.1 X8. EXAMPLE NUMBER 8—FIELD REMOVAL OF AEROCOAT AR-7 COATING USING A HIGH-PRESSURE WATER BLAST SYSTEM X8.1 Conditions X8.2 Cleaning Procedure
18	X8.3 Safety Precautions X9. EXAMPLE NUMBER 9—CLEANING OF HIGH PRESSURE GASEOUS STORAGE VESSELS (UNLINED VESSELS) X9.1 Scope X9.2 Mechanical Cleaning X9.3 Final Closure Weld X9.4 Preliminary Sealing
19	X9.5 Post Weld Heat Treatment (PWHT) X9.6 Hydrostatic Testing X9.7 General X9.8 Degreasing X9.9 Preliminary Rinse X9.10 Pickling X9.11 Intermediate Rinse X9.12 Citric Acid Flush X9.13 Final Rinse and Passivation Surface Treatment X9.14 Examination Number 1 X9.15 Examination Number 2
20	X9.16 Sealing X9.17 Drying X9.18 Pressurizing X10. EXAMPLE NUMBER 10—CLEANING OF HIGH PRESSURE GASEOUS STORAGE VESSELS (STEEL LINED VESSELS) X10.1 Scope X10.2 Mechanical Cleaning X10.3 Preliminary Sealing X10.4 Post Weld Heat Treatment (PWHT) X10.5 Liner Completion X10.6 Hydrostatic Testing X10.7 Penetrant Inspection X10.8 General
21	X10.9 Preliminary Rinse X10.10 Passivation X10.11 Intermediate Rinse X10.12 Degreasing X10.13 Intermediate Rinse X10.14 Final Rinse X10.15 Examination Number 1 X10.16 Examination Number 2 X10.17 Sealing X10.18 Drying X10.19 Pressurizing
22	X11. CLEANING OF CONVOLUTED STAINLESS STEEL HOSES X11.1 X11.2 X11.3 REFERENCES TABLE X11.1

Additional information

Standard Title	G93-96 Standard Practice for Cleaning Methods and Cleanliness Levels for Material and Equipment Used in Oxygen-Enriched Environments
Published Code	ASTM
Publication Date	1996
Pages Count	22
ICS Codes	71.040.20 - Laboratory ware and related apparatus

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