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· Important terminology for rigging hooks

2017 - 08 - 28


 
Grade 100 alloy: This indication refers to the tensile strength of metal. A grade 100 hook will provide approximately 25% high working load limits than Grade 80 metal.

·Type 316 stainless steel: This “marine grade” metal has better corrosion resistance to salts, chemicals and acids, particularly marine environments that involve immersion or spray of sea water.
 
·Galvanized: Metal is finished with a thin coating of zinc to protect against rust and provide resistance to corrosion.
 
·Working Load Limit: Sometimes also called Rated Capacity, Rated Load Value, Resulting Safe Working Load, or Safe Working Load. It may also be abbreviated as WWL or SWL or SWWL. A Working Load Limit is the maximum weight that should be applied to the item when in use. This number is based on ideal working and environmental conditions, so if you are using the equipment in conditions out of the norm (extremely high or low temperatures, chemical vapor or solution contact, immersion over time in salt water, acids, etc.), this limit may not be correct and special precautions should be taken *A Working Load Limit should never be exceeded.*
 
·Break Strength: Break Strength is the amount of force used when equipment was found to break during testing at the manufacturer. It’s important to keep in mind that testing is done in a controlled environment with ideal conditions. Real life applications will involve different factors, forces and environmental conditions, so it’s best practice to follow the Working Load Limit guideline, which is generally 1/3 of the break strength.


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Qingdao Sail Rigging Co. , Ltd. is a high technology enterprise which is mainly engaged in R&D, production and sales of rigging products. The factory was founded in 1997, and the company was established in 2009. We focus on the rigging production for more than 18 years...

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Address : NO.6 Changcheng South Road, Chengyang,

Qingdao, Shandong, China

Zip/Post Code : 266108

Tel : 86-532-87693898

Fax : 86-532 87759096

Email : info@qdsailrigging.com

Contact Person : Anna Wei

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