The DA-001 is a welded master link with DNV certification (offshore), made of welded quenched and tempered alloy steel. It is tested and manufactured in accordance with DNV-ST-E271, DNV-ST-E273 and EN 1677-4, with a design factor of 5:1, and covers working load limits (WLL) of 2.8–45 tonnes at a β angle of 0–45°. Impact resistance is verified by Charpy testing: 42 joules at -40°C for the normal section and 27 joules at -40°C for the welded section.
Features
- Welded alloy steel, quenched and tempered.
- Tested and manufactured in accordance with DNV-ST-E271, DNV-ST-E273 and EN 1677-4.
- Charpy tested in accordance with DNV-ST-E271.
- Certified by DNV-ST-E271 and DNV-ST-E273.
- Design factor 5:1.
- Proof load tested to 2.5 times the Working Load Limit (WLL).
- Fatigue rated to 20,000 cycles at 1.5 times the Working Load Limit (WLL).
- Magnaflux crack detection is performed 100% on each batch.
- Charpy test of 42 joules (31 ft-lb) at -40°C (-40°F) for normal section.
- Charpy test of 27 joules (20 ft-lb) at -40°C (-40°F) for welded section.
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