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About Stainless Chain
Questions and facts on stainless steel chain and accessories:
What is stainless steel?
Stainless steel is essentially a low carbon steel which contains Chromium at 10% or more by weight. It is this addition of Chromium that gives the steel its unique stainless, corrosion resisting properties.
The Chromium content of the steel allows the formation of a rough, adherent, invisible, corrosion-resisting Chromium Oxide film on the steel surface. If damaged mechanically or chemically, this film is self-healing, providing that Oxygen, even in very small amounts, is present. The corrosion resistance and other useful properties of the steel are enhanced by increased Chromium content and the addition of other elements such as Molybdenum, Nickel and Nitrogen.
The many unique values provided by stainless steel make it a powerful candidate in materials selection. Engineers, specifiers and designers often underestimate or overlook these values because of what is viewed as the higher initial cost of stainless steel. However, over the total life of a project, stainless is often the best value option.
Suncor conducts regular testing on its product. A destruction test (where the product is pull tested until it breaks) is generally conducted to determine the break load of an item. Once this break load is determined through a destruction test, the working load limit is determined.
Suncor uses a ratio of 5:1 (BL:WLL) for forged product and 4:1 (BL:WLL) for cast items and welded chain. For example: A Forged Chain Shackle that breaks 5,000 lbs. is assigned a Working Load Limit of 1,000 lbs. A Cast Swivel Eye Hook that breaks at 4,000 lbs. has a 1,000 lb. Working Load Limit. An Anchor Chain that breaks at 8,000 lbs. would be assigned a 2,000 lb. Working Load Limit.
Temperature does have an effect on the working load limit of chain while at a certain temperature. Refer to the chart below for further information.
All Suncor chain and chain accessories can be purchased through your local Suncor Stainless Authorized Dealer. Please contact us if you need assistance finding a dealer near you.
Stainless chain is offered "by-the-foot", however there is a minimum order amount of $50.
Yes. Full barrel quantities are offered to our customers in lengths ranging from 100 Feet to 1,000 Feet depending on the size and type of chain.
Suncor Stainless, Inc. warrants its products to be free of defects in material and workmanship under normal use and with normal maintenance for the lifetime of the product. This Limited Warranty extends only to the original retail purchaser and does not run to any subsequent purchaser.
If the product fails, we will repair the product or send you a new part free of charge, provided the product has been given reasonable care, has not been used for commercial service, and the damage has not resulted from improper installation, accident, negligence, misuse or from unauthorized alterations by the purchaser.
For complete warranty details including our return policy and disclaimer, please view our consumer warranty.
Suncor manufactures many of its products in accordance with Federal Specifications. If a particular product is designed to a certain fed spec or mil spec, you will see this clearly noted within the product page for the product. For more information on the Federal Specifications which apply to the various Suncor products, please refer to the tables below.
Federal Specification RR-C-271D, Type IVA (Anchor Shackles)
Federal Specification RR-C-271D, Type IVB (Chain Shackles)
Military Specification MIL-F-1728OD, TYPE 1 (Nitronic Anchor Shackles)
Military Specification MIL-F-1728OD, TYPE III (Eye & Eye Swivel)
The National Association of Chain Manufacturers (NACM) is an organization which has represented domestic manufacturers of welded and weldless chain since 1933. Its members (Suncor included) provide a wide range of chain products such as stainless steel chain, galvanized chain, decor chain, double loop chain, Grade 80 and Grade 100 chain, and tow chain. The NACM official website is a great resource for finding industry standard chain specifications. Most of the chain Suncor manufactures is in accordance with these NACM specification standards. NACM also offers documents covering properties and grades of welded (and weldless) stainless steel chain for marine, industrial and commercial use.