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Steel pipes can be divided into two categories according to production methods

Steel pipes can be divided into two categories according to production methods

Steel pipe according to the production method can be divided into two categories: seamless steel pipe and welded steel pipe, welded steel pipe referred to as welded pipe.

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According to the pipe material (that is, steel), steel pipe can be divided into: carbon pipe and alloy pipe, stainless steel pipe, etc.

According to the pipe material (that is, steel), steel pipe can be divided into: carbon pipe and alloy pipe, stainless steel pipe, etc.

Alloy tube can be divided into: low alloy tube, alloy structure tube, high alloy tube, high strength tube. Bearing tube, heat and acid resistant stainless tube, precision alloy (such as removable alloy) tube and high temperature alloy tube.

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Steel coil, also known as coil steel. The steel is rolled by hot pressing and cold pressing.

Steel coil, also known as coil steel. The steel is rolled by hot pressing and cold pressing.

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.)

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About 0.10%~0.40%, solid solution enhancement; In addition to the bad effect of FeO on steel quality, it is beneficial

About 0.10%~0.40%, solid solution enhancement; In addition to the bad effect of FeO on steel quality, it is beneficial

About 0.25%~0.80%. Solid solution strengthening; Remove FeO, reduce the brittleness of steel; Synthesis of MnS with vulcanization can reduce the harmful effects of sulfur. Good for you

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Profile is a solid straight strip with a certain section shape and size after plastic processing of metal.

Profile is a solid straight strip with a certain section shape and size after plastic processing of metal.

Profiles are objects with certain geometric shapes made of iron or steel and materials with certain strength and toughness through rolling, extrusion, casting and other processes.

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Profile finishing, the outstanding point is straightening

Profile finishing, the outstanding point is straightening

There are two kinds of technology for profile finishing after rolling, one is the traditional hot saw cutting and straightening process, and the other is the newer long ruler cooling, long ruler straightening and cold saw cutting process.

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Classification by production method

Classification by production method

Profiles can be divided into hot-rolled profiles, cold-formed profiles, cold-rolled profiles, cold-drawn profiles, extruded profiles, forged profiles, hot-bent profiles, welded profiles and special rolled profiles, etc.

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Steel plate is divided into hot rolled and cold rolled.

Steel plate is divided into hot rolled and cold rolled.

According to the thickness of the steel plate, thin steel plate <4 mm (the thinest 0.2 mm), medium thick steel plate 4~60 mm, extra thick steel plate 60~115 mm.

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The steel type of thick steel plate is roughly the same as that of thin steel plate.

The steel type of thick steel plate is roughly the same as that of thin steel plate.

In addition, the steel plate and the material said, not all steel plates are the same, the material is not the same, the steel plate used in the place, is not the same.

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According to the use of carbon steel can be divided into carbon structural steel

According to the use of carbon steel can be divided into carbon structural steel

According to the use of carbon steel can be divided into carbon structural steel, carbon tool steel and easy cutting structural steel three types, carbon structural steel is divided into engineering construction steel and machine manufacturing structural steel two

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