Specification.pdf
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- 1/2" Long Link Chain
- Solicitation number
- PMEL-19-00081
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| File | Type | Posted |
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| Drawing.pdf | ||
| Clauses.docx | DOCX document |
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NOAA SPECIFICATIONS FOR
LONG LINK MOORING CHAIN
Chain to be the same materials and dimensions as 1/2" Deck Lashing (0187232), with the exception that the chain is NOT to be heat-treated. Final dimension may be shorter because of not heat-treating. Use same form/weld tooling. First letter of 'Marking' is manufacturer’s designation. Three samples from each batch to
. be tensile tested to destruction and results included with Certificate of Compliance included with delivery.
• Nominal ½” long link mooring chain Actual material diameter: 13mm to 13.5mm Inside length: 80mm+-5mm Inside width: 25.4mm+-.5mm
• Steel: ASTM A29/A29M
• Heat Treat: None
• Minimum Proof Load: 12,900 Lbs.
• Minimum Breaking Strength: 25,700 Lbs.
• Minimum Elongation: 15%
• Finish: Hot Dipped Galvanized per ASTM A-153.
• Marking: Regular marking at maximum of 7 links denoting •c4N' chain.
• Packing: Continuous length of 100 meters, minimum, in steel drums.
• Manufacturers Quality Level:*ISO 9001 Registered.
*ISO 9001 quality level is required to assure the highest level of quality control available. This chain is used in the fabrication of critical oceanographic moorings. The chain is not subjected to strain until it is deployed in the open ocean where failure may not be immediately apparent. A delayed failure of a single link of chain would cost approximately $75,000 in lost mooring equipment.
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