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CGA - C-6

STANDARD FOR VISUAL INSPECTION OF STEEL COMPRESSED GAS CYLINDERS

active, Most Current
Organization: CGA
Publication Date: 1 January 2022
Status: active
Page Count: 34
scope:

This standard provides cylinder users (requalifiers, owners, fillers, operators, etc.) with criteria to accept, reject, and condemn steel compressed gas cylinders. This standard does not cover all circumstances for each individual cylinder type and condition of lading.

NOTE-Special permit cylinders may contain their own visual inspection criteria in the special permit. Equivalency certificate cylinders may contain their own visual inspection criteria in the equivalency certificate.

In situations where a particular cylinder design type is not covered by this standard, users shall modify their inspection procedures. If a particular compressed gas service has unique detrimental effects on a cylinder's internal or external condition, these shall also be considered by the user.

Experience in the inspection of cylinders is an important factor in determining the acceptability of a given cylinder for continued service. Users lacking this experience who have questionable cylinders should return them to a manufacturer of the same type of cylinders or to a competent requalification agency for re-inspection.

Suggestions contained in this standard do not apply to cylinders manufactured under specification DOT-3HT, CTC-3HT, or TC-3HTM. Because of the special provisions of this specification, separate recommendations covering service life and standards for visual inspection of these cylinders are contained in CGA C-8, Standard for Requalification of DOT-3HT, CTC-3HT, and TC-3HTM Seamless Steel Cylinders [4].

For cylinders manufactured under specification DOT-8, DOT-8AL, CTC-8, CTC-8AL, CTC-8WC, TC-8WM, or TC-8WAM, see CGA C-13, Standard for Periodic Visual Inspection and Requalification of Acetylene Cylinders [5].

For aluminum alloy cylinders, see CGA C-6.1, Standard for Visual Inspection of High Pressure Aluminum Alloy Compressed Gas Cylinders; CGA C-6.2, Standard for Visual Inspection and Requalification of Fiber Reinforced High Pressure Cylinders; and CGA C-6.3, Standard for Visual Inspection of Low Pressure Aluminum Alloy Compressed Gas Cylinders [6, 7, 8].

Inspection procedures include preparation of cylinders for inspection, exterior inspection, interior inspection (if required), nature and extent of damage to be looked for, and tests that indicate the conditions of the cylinder, etc. A sample inspection report for low pressure cylinders exempt from pressure testing is shown in Appendix A. This sample inspection report may be revised to suit user or regulatory requirements.

Document History

C-6
January 1, 2022
STANDARD FOR VISUAL INSPECTION OF STEEL COMPRESSED GAS CYLINDERS
This standard provides cylinder users (requalifiers, owners, fillers, operators, etc.) with criteria to accept, reject, and condemn steel compressed gas cylinders. This standard does not cover all...
January 1, 2019
STANDARD FOR VISUAL INSPECTION OF STEEL COMPRESSED GAS CYLINDERS
A description is not available for this item.
C-6
January 1, 2013
Standards for Visual Inspection of Steel Compressed Gas Cylinders
This standard provides cylinder users (requalifiers, owners, fillers, operators, etc.) with criteria to accept, reject, and condemn steel compressed gas cylinders. This standard does not cover all...
January 1, 2013
STANDARD FOR VISUAL INSPECTION OF STEEL COMPRESSED GAS CYLINDERS
This standard provides cylinder users (requalifiers, owners, fillers, operators, etc.) with criteria to accept, reject, and condemn steel compressed gas cylinders. This standard does not cover all...
January 1, 2013
STANDARD FOR VISUAL INSPECTION OF STEEL COMPRESSED GAS CYLINDERS
This standard provides cylinder users (requalifiers, owners, fillers, operators, etc.) with criteria to accept, reject, and condemn steel compressed gas cylinders. This standard does not cover all...
C-6
January 1, 2007
Standards for Visual Inspection of Steel Compressed Gas Cylinders
This publication has been prepared as a guide to cylinder requalifiers and users for establishing cylinder inspection procedures and standards. It is general in nature, although some specific limits...
C-6
August 16, 2005
Standards for Visual Inspection of Steel Compressed Gas Cylinders
A description is not available for this item.
C-6
January 1, 2001
Standards for Visual Inspection of Steel Compressed Gas Cylinders
A description is not available for this item.
January 1, 1993
Standards for Visual Inspection of Steel Compressed Gas Cylinders
A description is not available for this item.
C-6
January 1, 1993
Standards for Visual Inspection of Steel Compressed Gas Cylinders
A description is not available for this item.
January 1, 1968
STANDARDS FOR VISUAL INSPECTION OF COMPRESSED GAS CYLINDERS
This is the 4th edition, as cited, when purchased you will also receive the current edition. A guide for establishing cylinder inspection procedures and standards to meet cylinder inspection...
C-6
January 1, 1968
STANDARD FOR VISUAL INSPECTION OF STEEL COMPRESSED GAS CYLINDERS
A description is not available for this item.

References

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