China Wholesale Cold Rolled Pipe Manufacturers - Q355b steel plate – Wenyue

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China Wholesale Cold Rolled Pipe Manufacturers - Q355b steel plate – Wenyue Detail:

Thickness

The steel grade of thick steel plate is basically the same as that of thin steel plate. In terms of products, in addition to bridge steel plate, boiler steel plate, automobile manufacturing steel plate, pressure vessel steel plate and multi-layer high-pressure vessel steel plate, some varieties of steel plates, such as automobile girder steel plate (2.5 ~ 10mm thick), checkered steel plate (2.5 ~ 8mm thick), stainless steel plate, heat-resistant steel plate and other varieties are crossed with thin plates.

 

In addition, the steel plate also has material. Not all steel plates are the same. The material is different, and the place where the steel plate is used is also different.

 

 

Properties of alloy steel

With the development of science, technology and industry, higher requirements are put forward for materials, such as higher strength, resistance to high temperature, high pressure, low temperature, corrosion, wear and other special physical and chemical properties. Carbon steel can not fully meet the requirements.

 

Deficiency of carbon steel:

 

(1) Low hardenability. In general, the maximum diameter of water quenched carbon steel is only 10mm-20mm.

 

(2) The strength and yield strength are relatively low. Such as ordinary carbon steel and Q235 steel σ S is 235mpa, while low alloy structural steel 16Mn σ S is more than 360MPa. 40 steel σ s / σ B is only 0.43, much lower than that of alloy steel.

 

(3) Poor tempering stability. Due to the poor tempering stability, when the carbon steel is quenched and tempered, it is necessary to adopt a lower tempering temperature in order to ensure higher strength, so the toughness of the steel is low; In order to ensure better toughness, the strength is low when high tempering temperature is adopted, so the comprehensive mechanical property level of carbon steel is not high.

 

(4) It cannot meet the requirements of special performance. Carbon steel is often poor in oxidation resistance, corrosion resistance, heat resistance, low temperature resistance, wear resistance and special electromagnetic properties, which can not meet the needs of special performance.


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China Wholesale Cold Rolled Pipe Manufacturers - Q355b steel plate – Wenyue detail pictures

China Wholesale Cold Rolled Pipe Manufacturers - Q355b steel plate – Wenyue detail pictures

China Wholesale Cold Rolled Pipe Manufacturers - Q355b steel plate – Wenyue detail pictures


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Our commission should be to provide our end users and clients with very best excellent and aggressive portable digital products and solutions for China Wholesale Cold Rolled Pipe Manufacturers - Q355b steel plate – Wenyue, The product will supply to all over the world, such as: Croatia, Rome, Oman, "Good quality, Good service " is always our tenet and credo. We take every effort to control the quality, package, labels etc and our QC will check every detail during producing and before shipment. We have been willing to establish long business relationship with all those who seek the high quality products and good service. We've got set up a wide sales network across European countries, North of America, South of America, Middle East, Africa, East Asia countries.Please contact us now, you will find our expert experience and high quality grades will contribute to your business.
  • This company has a lot of ready-made options to choose and also could custom new program according to our demand, which is very nice to meet our needs.
    5 Stars By Maggie from America - 2017.08.18 18:38
    The quality of the products is very good, especially in the details, can be seen that the company work actively to satisfy customer's interest, a nice supplier.
    5 Stars By Andrew Forrest from Russia - 2017.09.30 16:36

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