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1 Scope
This standard specifies the requirements, sampling, test methods, marking, packaging, transportation and storage of CFC-11 packaging steel drums
This standard applies to the manufacturing, circulation, use, supervision and inspection of packaging CFC-11 and packaging steel drums with a volume of 200L.
2 Reference standards
The provisions contained in the following standards constitute the provisions of this standard through quotation in this standard
GB325-1991 Packaging Container Steel Drum
GB2518-1988 continuous hot-dip galvanized steel sheet and steel strip
GB2828-1987 batch-by-batch inspection by attributes sampling procedure and sampling table (applicable to continuous batch inspection)
GB2829-1987 Periodic Inspection Sampling Procedure and Sampling Table (Applicable to the Inspection of the Stability of the Production Process)
GB/T4857.
GB/T4857.
GB4956-1985 Magnetic method for measuring the thickness of non-magnetic covering layer on magnetic metal substrate
GB11253-1989 Carbon structural steel and low-alloy structural steel cold-rolled sheet and steel strip
GB13040-1991 Packaging Term Metal Container
GB13251-1991 steel drum closure for packaging container
3 Definitions and symbols
3.
This standard uses the following definitions
Reinforcing ring: In order to increase the pressure resistance of the top and bottom of the bucket, concave or convex ring-shaped reinforcing ribs are processed on the top and bottom of the bucket
Other terms comply with GB13040 regulations
3.
D—inner diameter;
H—inner height;
L—Space between ring bars;
L 1 —The distance from the center of the injection port to the inside of the curling edge;
L 2 —The distance from the center of the injection port to the center of the ventilation port;
A—The ring rib height;
B—Glass high;
C—Strengthen the ring height;
D1—Reinforcement ring diameter;
h—the depth of the top of the bucket;
h 1 —The depth of the bottom of the bucket
Related links: repetitive use of calcium carbide packaging steel drums (Appendix A 2)