Woven Wire Screens by STAR SCREENS has been involved in the market since 1905. All materials are woven from wire as thick as 20 down to 0,71 diameter.

Steel: Vibro, Bright and Galvanised Mild Steels.

Stainless-Steel: Chromium Steel, Nickel Chromium Steel, Nickel Chromium Molybdenum Steel, Heat Resisting Steel.

Non-Ferrous Metal: Aluminium; Nickel, MONEL-Metal, Phosphor Bronze, Brass, Copper.

Special Materials: Titanium, Hastelloy and many others.

The more popular wire and woven screens are kept in stock whilst non-standards and the more exotics would be ordered and manufactured for specific customer requirements. State of the art equipment and a team of qualified experts manufacture woven wire screens and woven wire screen products suitable for all applications.

Standard rolls, roll sections, sheets with fixed dimensions, hooked screens, trommel screens, strips, discs, fabricated parts, and many others are manufactured by the following processes: Cutting, cutting into lengths, bending, welding, soldering, brazing, punching and many others. Whether in large quantities or small we will supply you with what you require.

In addition to our Woven Wire Screens we offer Dewco (Sweco) machines and spares, expanded metal, perforated materials, polyurethane products, Vee (wedge) wire, welded mesh and wire conveyor belts to compliment our supply to the individual markets.

Materials for Woven Wire Screens

STEEL. Plain, low carbon steel because of it's relative low cost, tensile strength and ductility, is often used for the manufacture of woven wire screens. It is used in applications where corrosion or abrasion resistance are not controlling factors and where contamination of product is critical. Also available is bright galvanised pad wiped finish.

VIBRO. This is a specially developed high carbon spring steel wire for use under severe working conditions, where the resistance to abrasion, shock, vibration and heavy loads is essential and corrosion resistance is secondary. Vibro has all of these properties but is also 'elastic' and therefore extremely suitable for tensioned screencloths.

STAINLESS STEEL 300 SERIES. These alloys contain chromium and nickel in proportions that make them austenitic at room temperatures. They are not magnetic in the annealed condition, but become slightly magnetic when cold worked. Superior corrosion resistance and strength at high temperatures are primary reasons for the choice of these alloys. The two most popular steels in this range are AISI 304 (18% chromium and 8% nickel) and AISI 316 (17% chromium, 10% nickel and 2% molybdenum) for a higher degree of corrosion resistance due the addition of molybdenum.

HEAT RESISTING STEEL. These steels are resistant to temperatures of above 600° to 1 200°C in air and in specific gases. However, when sulphine conditions, water, vapour or ashes are added together with heat we recommend special materials such as Incoloy DS.

COPPER AND COPPER BASED ALLOYS. Copper is a soft metal with good conducting properties for heat and electricity. Brass is a copper-zinc alloy particularly suitably for sieving and filtration purposes. When there is ammonia in the air, brass is subject to corrosion. The higher the zinc content, the faster brass corrodes. Phosphor Bronze, a copper-tin alloy is largely wear and tear resistant.

NICKEL AND NICKEL BASED ALLOYS. Nickel is resistant to a number of acid and alkaline chemical corroding solutions. The material is suitable for welding and about as hard as steel. Nickel based alloys such as Inconel, Incoloy, nickel, Hastelloy and others are not always weavable, so a special enquiry is advisable. MONEL-Metal consists of 2/3 nickel, about 1/3 of copper, and traces of iron, manganese, silicum and carbon. It is very similar to nickel, easy to weave and resistant to atmospheric corrosion, seawater and most acids and alkalines.

Delivery

	Roll lengths: A standard roll is 25 or 30,5 m long, and half rolls are 12,5 and 15m long. The length of rolls may be + or - 10%. The delivered length is the one invoiced.
	Partial lengths: A wire clothroll may consist of a maximum of three roll pieces. The minimum length of a roll piece is 2,5 m.
	Cloth width: For rolls and roll pieces, the width of the cloth shall not be less than the nominal width, but may be up to 2% in excess. The overall width shall be measured.
	Strips and cut-to-size-pieces: For strips, the width shall be specified. With orders of quantities of less than a standard roll, the length of individual strips may be reduced accordingly. For cut-to-size pieces, the sides, lengths, angles and radii shall be specified.

Labelling

Woven wire screens shall be labelled with the following information:

	The name and the trade-mark of the manufacturer.
	The material of the wire.
	The nominal aperture width "w".
	The nominal wire diameter "d".
	The length and width of the roll or strip, or the size and number of pieces.
	The weight (mass), if required.

If the screen roll consists of several roll pieces, the length of each piece shall be indicated. Woven wire screen in strips or pieces shall be so labelled on the outer packing. The length and weight of each rolled strip (coil) shall be specified subject to agreement.

Requirements for Ordering Wire Screens

	Quantity: number of pieces or rolls.
	Dimensions: length, width and / or overhook dimensions.
	Material type.
	Aperture width: "w".
	Wire diameter(s): "d".
	Type of weave if necessary.
	Construction type if slotted aperture- direction of slots and number of shutes.
	Shaped parts: provide samples, sketches or drawings, preferably with permissible tolerance.
	Samples: should you have a sample of the wire screen used previously, kindly sent it to us. We shall then analyse the specification.
	Repeat orders: so as to furnish you with the correct material either let us have a roll-label or provide the exact technical data of the previous order.

FOR MORE INFORMATION PLEASE CONTACT US.

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