Quard is a martesitic abrasion resistant steel, with an average hardness of 370 – 550 HBW. The steel offers very high resistance to abrasive wear and impact granting a longer service life. The combination of very good cold forming properties and excellent weldability makes Quard an optimal choice for most wear applications.
Quard 450 Viewmore »
Quard 500 and 550 Viewmore »
Thickness: 8 – 20 mm
Width: 1500 – 2500 mm
Length: maximum 13 m
Welding Quard is easy and produces outstanding results.
Quard can be welded using any conventional welding method, both manually and automatically.
Due to the low carbon equivalents of Quard, preheating prior to welding is unnecessary in a thickness up to 20 mm.
On account of the tight thickness and flatness tolerances, Quard is well suited for automatic welding.
Quard can also be welded to any other weldable steel.
Quard has excellent cold forming properties, promoting new innovative solutions for lightweight design.
The excellent bending performance of Quard is achieved by:
- low levels of non metallic inclusions
- consistent mechanical properties
- high crack resistance
- tight thickness tolerances
- excellent surface finish
- consistent spring back
- Numerous welding operations can be replaced by bending, resulting in a further reduction of production costs.
Thermal or cold cutting methods can be used for Quard steel.
Thermal cutting, using either oxygen fuel, plasma or laser cutting is as easy as cutting mild steel.
Quard does not require preheating prior to thermal cutting.
Cold cutting methods, such as abrasive water jet cutting, shearing or sawing have the advantages of not thermally affecting the part being cut, thus avoiding the softening of small parts being produced.
Quard can be machined in the same way as for any martensitic wear plates of the same hardness.
For drilling, either HSS (8%Co) or indexable cemented carbide drills can be used.
Face milling and countersinking best takes place using tools with replaceable cemented carbide inserts.
For all machining operations performed on Quard, stable machines should be used in order to keep tool set-up vibrations to a minimum.
Dumper bodies, crushers, impact hammers, buckets, feeders, conveyors, bulldozers, compactors, cutters in shredders, etc.
- Catalog Wear Plate
- Jual Plat Quard 400
- Jual Plat Quard 450
- Jual Plat Quard 500 and 550
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