What is weathering board

Weather-resistant plate is atmospheric corrosion resistant steel, belongs to low alloy high strength structural steel, made of general carbon steel adding a small amount of copper, nickel and other corrosion resistant elements, with high quality steel toughness, plastic extension, molding, welding and cutting, erosion, high temperature, fatigue, rust resistance, the component corrosion resistance prolong life, thin consumption reduction, labor saving and other characteristics. It is mainly used in railway, vehicle, bridge, tower, photovoltaic, high-speed engineering and other steel structures exposed to the atmosphere for a long time. Such as manufacturing containers, railway vehicles, oil derricks, port buildings, oil production platforms and chemical and petroleum equipment containing hydrogen sulfide corrosive medium containers and other structural parts.

How to form a bronze finish

• The attractive appearance of mature weathering steel Bridges often blends in with the surroundings and it is important to note that colour and texture change with time and exposure conditions. When A606-4 can undergo a wet-dry cycle, it becomes wet to form an orange-brown oxide coating, and from the moisture to dry the "natural rust" will begin to form in the steel and become bronzed.

• Weathering steel Bridges are initially orange-brown, but become darker during construction as the "ancient color" begins to develop, and within 2-5 years the steel usually achieves its characteristic uniform dark brown color. In industrial (sulfur pollution) atmospheres, the weathering process will be faster and the final color will be darker than in cleaner rural environments.

How to Get rid of graffiti

Steam spraying with chemical paint softeners can cause negligible damage to the rusty "ancient color".

Advantages of using weathering steel

• Traditional steel Bridges are made using the latest advances in automation manufacturing and construction technologies that are capable of safe, rapid construction, aesthetic appearance, shallow structural depth, minimal maintenance and flexibility to provide an economical solution to the needs of future use.

• Minimal maintenance, regular inspections and cleaning should be the only maintenance required to ensure the bridge continues to operate satisfactorily. Therefore, corten steel Bridges are well suited to places where future maintenance is difficult or dangerous, and where traffic disruptions need to be minimized, such as on major roads or railways.

• Cost effective, although weathering steel is slightly more expensive than ordinary structural steel, the money saved by eliminating the paint system offsets the additional material costs and the whole life cost is much lower. This was illustrated in a study of eight Bridges in the UK, significantly reducing the direct costs of maintenance operations and the indirect costs of traffic delays during maintenance.

• Construction speed, due to the elimination of factory and field painting operations, thus reducing the total construction time.

• Beautiful appearance, the attractive appearance of corten steel Bridges often blends in with the environment and improves with age.

• Environmental benefits, avoiding environmental problems associated with volatile organic compound (VOC) emissions from paint coatings and sandblasting cleaning debris disposal for future maintenance work.

• Safety benefits with very little maintenance, the risks associated with future maintenance are significantly minimized. Health and safety issues associated with initial painting are also avoided.

  

General requirements for acceptance

• Each batch of steel plate delivered must have a quality assurance document, the type of inspection document should be in accordance with ASTM A6M and other provisions, clear handwriting without alteration marks.

• Deviation of size, thickness and length of steel plate within allowable deviation

• Also pay attention to plate surface flatness, plate waviness, appearance and corrosion grade

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