![]() Grade 316 applications include heat exchangers and automotive exhaust systems. For example, grade 316 has increased levels of molybdenum in the overall composition to increase the corrosion-resistant properties of the material and also its strength in elevated temperatures. The grade selected may relate to the degree of corrosion of the application’s service environment. The different alloy compositions give different physical characteristics to the material to enhance its mechanical properties. Depending on the application, stainless steel may also contain varying elements such as silicon, manganese, nickel, titanium, aluminum, copper, nitrogen, phosphorous, selenium, molybdenum, and increased chromium levels. ![]() ![]() Stainless steel’s many grades, or varieties, are determined by the addition of other alloys. However, it is a minimum of 10.5% chromium content by mass that makes stainless steel “stainless” (corrosion resistant) and gives it its name. Types of Stainless Steel MaterialĪs an alloy, all steel consists of iron and carbon. The variety of tubing, whether hypodermic, fractional, metric, or square tubing, depends on its specific application requirements. Stainless steel tubing’s structural applications call for exact sizing based on the OD (Outside Diameter) and WT (Wall Thickness). It is an exceptional material for builders and manufacturers alike, known for its characteristics like corrosion-resistance, strength, and low-maintenance. Widely used throughout numerous industrial sectors, stainless steel tubing sizes and varieties vary considerably depending on the application requirements. Stainless steel tubing is a versatile material used for structural applications. This requirement addresses the heart of the issue - freedom from sites for product or bacterial build-up.įor more information or advice, contact our team of stainless steel experts in Adelaide.Home » News » Stainless Steel Tubing Sizes & Varieties Stainless Steel Tubing Sizes & Varieties There is also a requirement that the internal surface be smooth, with no lack of weld penetration and no crevices adjacent to welds. ![]() Weld BeadĪS1528.1 requires removal of the weld bead (except in the small sizes where the procedure is not possible). This tube specification give limits for OD and Wall Thickness – the Inside Diameter is not separately specified, even although from the hygiene point of view there may be some logic in doing so. All the above specifications that allow extra ovality for thin wall tube still require the mean OD to be within their respective OD tolerances. Outside DiameterĪS 1528.1 allows ovality of up to double the OD tolerance for all sizes. Slightly wider tolerances apply to the complimentary tube fittings covered by the other parts of AS 1528. A range of between 1.52 and 1.58mm is typical. The all-minus tolerance recognises the usual practice for tube, to all specifications, to be produced towards the lower limit of the tolerance range. Dimensional Tolerances Wall ThicknessĪS 1528.1 specifies standard nominal thicknesses of 1.6mm for all ODs except 2.0mm for 203.2mm OD other non-standard thicknesses can be specified by purchasers. Another key benefit is the existence of matching specifications for associated tube. Batch traceability marking – considered essential to validate many food and pharmaceutical plants - is mandatory. It is specifically directed at food industry applications, specifying the features necessary to ensure high integrity lines for hygienic applications without requiring high cost additional mechanical testing. It is also the only dimensionally integrated set of tube and fitting standards in the world.ĪS1528.1 is by far the safest option … and the most cost-effective. The standards has been successful in these aims. The aim of AS 1528.3 has been to standardize a hygienic tube fittings for use in dairy and other food and beverage manufacturing, that is effective in maintaining the required food safety standards and that is also readily available at a relatively economical price. Transportation - Road Tankers AS 1528.3 Specifications - Tube Fittings.Dairy, Food, Beverage and Pharmaceutical - Tanks, Process Lines, Equipment, Filtration, Heat Exchangers, CIP Systems, Key Stations, Manifolds, Brine Lines, Chillers, Hoppers and much more.Building - Electrical Conduits and Drain Pipes.Architectural - Handrails and Balustrades.Auto-Sport - Exhausts, Dump Pipes and Snorkels.Industries and Uses for Stainless Steel Tube Fittings This collection includes 45°, 90° and 180° LR bends, 90° SR bends, equal tees, unequal tees, concentric reducers, eccentric reducers, crosses, hosetails, sealing flanges, caps and spray balls. Stattin Stainless stocks a comprehensive range of Grade 304 and 316 tube fittings.
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