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Production method of steel pipe

Production method of steel pipe

Steel pipes are divided into seamless steel pipes and welded steel pipes. The production process of seamless steel pipe is to Pierce the solid tube blank or steel ingot into hollow tube, and then roll it into the desired size of steel pipe.

2022/08/23

Steel coil use classification

Steel coil use classification

Steel coil, also known as coil steel. The steel is rolled by hot pressing and cold pressing. In order to facilitate storage and transportation, convenient for various processing (such as processing into steel plate, steel belt, etc.).

2022/08/23

The use of aluminum composition

The use of aluminum composition

Casting products: castings. The substrate as the anode, placed in the electrolyte for electrolysis, artificially formed a layer of protective oxide film on the surface of the substrate to form aluminum oxide.

2022/08/23

Specifications for the use of aluminum in buildings

Specifications for the use of aluminum in buildings

Deformed aluminum alloy is divided into rust-proof aluminum alloy, duralumin, super duralumin and special aluminum according to its properties and uses. Generally, industrial pure aluminum (L1 ~ L1), rust-proof aluminum alloy (LF2, LF21, etc.) and forged aluminum (LD2) are used in construction.

2022/08/23

Characteristics and applications of aluminum in construction

Characteristics and applications of aluminum in construction

In China, aluminum alloy has been applied in industrial and civil buildings to make roofing, walls, doors and Windows, and has gradually expanded to interior and exterior decoration, construction formwork, etc., and has achieved good results.

2022/08/12

Welding methods for aluminum

Welding methods for aluminum

Almost all kinds of welding methods can be used for welding aluminum and aluminum alloy, but the adaptability of aluminum and aluminum alloy to various welding methods is different, and each welding method has its own application.

2022/08/12

What preparation work should be done before aluminum welding

What preparation work should be done before aluminum welding

Cleaning before welding: when welding aluminum and aluminum alloy, the oxide film and oil on the surface of the workpiece welding joint and wire should be strictly removed before welding;

2022/08/12

How to deal with aluminum after welding

How to deal with aluminum after welding

Residual flux and welding slag left in and near the weld after welding will destroy the passivation film on the surface of aluminum, and sometimes corrosion aluminum parts, which should be cleaned up. The workpiece with simple shape and general requirements can be cleaned by simple methods such as hot water washing or steam blowing brush.

2022/08/12

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