Online Exporter Carbon Steel Wholesale to Comoros

Online Exporter
 Carbon Steel Wholesale to Comoros

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Carbon steels contain trace amounts of alloyingelements and account for 90% of total steel production. Carbon steelscan be further categorized into three groups depending on their carboncontent: Low Carbon Steels/Mild Steels contain up to 0.3% carbon Medium Carbon Steels contain 0.3 – 0.6% carbon High Carbon Steels contain more than 0.6% carbon


  • Length: 3-5.8mm or Customization
  • Surface: black, peeled, or rough turned
  • Heat treatment: air-cooling, normalized, annealed, Q&T
  • Smelting process: EAF+LF+VD
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    we can offer high quality products, competitive price and best customer service. Our destination is "You come here with difficulty and we give you a smile to take away" for Online Exporter Carbon Steel Wholesale to Comoros, We, with great passion and faithfulness, are willing to provide you with perfect services and striding forward with you to create a bright future.


    Carbon steels contain trace amounts of alloying
    elements and account for 90% of total steel production. Carbon steels
    can be further categorized into three groups depending on their carbon
    content:

    • Low Carbon Steels/Mild Steels contain up to 0.3% carbon

    • Medium Carbon Steels contain 0.3 – 0.6% carbon

    • High Carbon Steels contain more than 0.6% carbon

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  • Tubular steel engineering.
    Corn field with corn moving in the breeze. Seagulls. Man holds out a pigeon’s wing. Detailed shots of the Forth Bridge. Scaffolding. Beach defences. ‘Road furniture’. Bus stop. Churchill tank drives over a metal bridge. Other tube built bridges. The Comet jet aircraft. Rolls Royce Factory.



    A lecture given by K. Fang, at the Adventures in the Physical Metallurgy of Steels (APMS) conference held in Cambridge University. Nanostructured bainite is incredibly difficult to weld because of its high carbon concentration. Here an innovative method is presented to resolve the weldability. The presentation file can be downloaded from http://www.msm.cam.ac.uk/apms/

    http://www.msm.cam.ac.uk/phase-trans

    Abstract
    High-carbon nanostructured bainite steel is very difficult to be well welded due to poor weldability. By adopting a new technology called regeneration treatment, the welded joint has similar microstructures and mechanical properities to base metal. The effect of regeneration time (0h-120h) and temperature (230°C-270°C) on microstructures and mechanical properities was also investigated.
    Results show that microstructures in fusion and austenitised zones consist of two phases when regeneration time is long enough, which are nano-scale bainite ?lms separated by carbon—enriched ?lms of retained austenite. However, volume fraction of retained austensite in fusion zone is a little lower than austenitised zone. With regeneration temperature increasing, volume fraction of retained austensite increases and thickness of slender platelets shows the same changing trend. The changes of microstructures have important effect on mechanical properities. By tensile and hardness test, the strength of fusion zone is lower than austenitised zone, but both increases with regeneration temperature decreasing while the elongation decreases. And the micro hardness increases when regeneration temperature decreasing. The strength of obtained welds reaches to as high as 1.7-2.1 GPa and corresponding hardness 550HV-650 HV.

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