Jubilee® Stainless Steel Hose Clips

Stainless steel is an alloy of Iron with a minimum of 10.5% Chromium. Chromium produces a thin layer of oxide on the surface of the steel known as the ‘passive layer" This prevents any further corrosion of the surface. Increasing the amount of Chromium gives an increased resistance to corrosion.

Ferritic steels do not require any additional process to improve corrosion resistance due to the presence of chromium in the alloy. However, the absence or low quantities of nickel in this steel means that the performance is below that of the austenitic grades of stainless steel. Ferritic stainless steels are used by many hose clamp manufacturers as a substitute for mild steel, or, as a low-price alternative to austenitic grades of stainless steel. Ferritic grades are used in hose clip specifications W2 and W3 and fall in the 400-grade series.

Austenitic stainless steels offer the highest levels of corrosion resistance against all forms of corrosion including acid and the broadest range of operating temperatures. At Jubilee® we produce stainless steel clips in 304 and 316 grades only; both of these are acceptable for marine use and Lloyds register approval, whereas ferritic grades are not. These grades are also acceptable for use in the food and beverage industry where acids such as acetic, citric, malic, lactic and tartaric may not permit the use of ferritic steels.

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