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You are here: Home » News » ALLOY SEAMLESS STEEL TUBES

ALLOY SEAMLESS STEEL TUBES

Views:5     Author:Site Editor     Publish Time: 2017-12-11      Origin:Site

Before introducing alloy seamless steel tube, let us introduce what’s meaning of alloy steel tube.


Alloy steel means except steel and iron elements, other alloy elements also be added in it. So we call it alloy steel. Except normal carbon elements, there is one or more alloy steel be added in it, we call it iron carbon alloy steel.


Depends on adding different chemical elements, take the appropriate processing craft. Alloy steel obtain high strength, high toughness, wear resistance, corrosion resistance, high temperature resistant etc.


Alloy steel elements included silicon, manganese, chromium, nickel, molybdenum, tungsten, vanadium, titanium, niobium, zirconium, cobalt, aluminum, copper, boron and so on.

What are the elements which affect alloy steel?

1. Carbon : Adding further carbon elements, yield strength and tensile strength is higher. But the plasticity and impact will be reduced. If carbon content is more than 0.23%, welding steel performance is worse. So when low alloy steel be welded, carbon elements is less than 0.20%.

2. Silicon: It is used as reductant and deoxidizer, if add more silicon content, reduce welding performance.

3. Manganese:It likes good deoxidizer and desulfurizer. More manganese educe the corrosion resistance of steel and the welding performance.

4. Phosphorus:In general, phosphorus is harmful elements in steel and increasing steel cold brittleness, make bad welding performance and reduce the plastic, the cold bending performance go bad. Therefore typically is less than 0.045%, the phosphorus content exceed in high-quality steel.


Alloy steel can be divided different level according to different component of the alloy element.

Low alloy steel: the content of the alloy elements is less than 5%.

Middle ally steel: the content of the alloy elements is 5%-10%.

High alloy steel :the content of the alloy elements is exceed 10%.

 

Alloy seamless steel tube means it’s raw material is alloy steel tube.Round steel is be perforated .it is be produced through cold drawn machine or hot rolling machine.

 

Chuangcheng steel tube most produce these alloy steel tube: 16Mn, 40Cr, 42CrMo, 30CrMo etc.

 

What application alloy steel tube will be used for?

What application alloy steel tube will be used for.png


  • Main use is used in power plant, nuclear power, high pressure boiler, high temperature super heater and reheater of high-temperature high-pressure pipeline and equipment.

  • Also it be used for conveying fluid:such as oil, natural gas, coal gas, water and some solid materials.

  • Used for manufacturing components and mechanical parts, such as petroleum drill pipe, auto transmission shaft, bicycle frame and construction of steel scaffolding etc.

  • Used for producing circular parts, can improve material utilization, simplifying the manufacturing process, saving material and processing time, such as rolling bearing ring, jack sets, etc., The current has been widely use alloy steel pipe produce them.

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