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Designed for the extra stresses and strains associated with extended cruising and for saving weight on a long anchor rode by taking the opportunity to step down one size in chain....
Designed for the extra stresses and strains associated with extended cruising and for saving weight on a long anchor rode by taking the opportunity to step down one size in chain.
Grade 70 chain is manufactured to such a high specification that it is possible to substitute e.g. 10mm Grade 40 anchor chain with a far longer length of 8mm Grade 70 without losing any strength.
Jimmy Green Marine MF DAMS70 is sourced exclusively and directly from MF Catenificio Frigerio, a modern chain manufacturing plant in Italy.
MF Catenificio manufacturing is all carried out in their own research, test and ISO9001 attested production facility.
The whole state of the art enterprise is located in Olginate, near Lecco, Lake Como, Italy.
Every link is proof tested during the production process as part of their quality control.
The proof load testing process ensures that each individual weld has been completed successfully.
The original concept, design and production of increased strength Galvanised Anchor Chain is the brainchild of Corrado Maggi, lately of Maggi Catene, erstwhile top quality Italian chain manufacturers.
Corrado is now the Product Development Manager at MF Catenificio.
Corrado originally designed and developed a specially-engineered combined chemical and heat treatment to improve the tensile resistance of Grade 40 chain to high strength hot dip galvanised Grade 70 Anchor Chain.
Note that the special part of this process is that the subsequent galvanising treatment which involves dipping the chain into molten zinc does not adversely affect the newly enhanced strength.
Different manufacturers have tried to copy Corrado's formula, but it remains a trade secret which is now closely guarded by the design technicians at MF Catenificio.
MF Catenificio market their High Strength Grade 70 Chain as DAMS which stands for Downsizing Anchoring and Mooring System
MF DAMS Grade 70 Calibrated Anchor Chain features enhanced Solid Zinc Galvanising treatment with greater micron depth and longer lasting corrosion resistance
MF have developed a new additional Solid Zinc Galvanising treatment in conjunction with the standard hot dip galvanising process.
Solid Zinc Galvanising is an MF duplex treatment where both aspects of the process are hot dip molten zinc galvanisation.
The consolidated, faultless coverage, increased micron depth and improved fusion layer adhesion extends the working life of the galvanising by up to 25%.
Solid Zinc Galvanising is proven to increease resistance to corrosion by up to 25% compared with standard galvanising.
The exterior finish has an aesthetically pleasing, homogeneous chromatic appearance.
N.B. All minimum micron thickness values are subject to variables and therefore dependent on the size of the chain, so micron depth figures are not specific.
This graph illustrates the relationship between the enhanced micron coverage of Solid Zinc Galvanising and the resistance to corrosion i.e. rust in terms of longevity/endurance in a marine environment.
Our Delivery charge is based on the total weight on a pallet and the delivery destination Zip Code.
The Freight cost is calculated in the basket and assumes a UK Mainland delivery address until you are signed in with your registered delivery zip code.
You are welcome to collect from our Chandlery Store to save this cost.