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  • Bainitic Nodular Cast Iron Rolls

Bainitic Nodular Cast Iron Rolls

Nickel, manganese, chromium, molybdenum, and other alloy elements are added to the bainite ductile iron material. It has an acicular structure( bainite+a small amount of martensite) matrix, which has higher strength, better toughness, and significantly improved wear resistance than pearlite ductile iron rolls. It can be produced by static casting or centrifugal casting. The bainite ductile iron roll is suitable for continuous rolling of small section steel, medium rolling of bar, finishing rolling of flat steel, pre-finishing rolling of high-speed wire rod, and primary rolling of square/slab.

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  • Specification
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  • Chemical Compositions (wt.%)

    Material code C Si Mn Cr Mo Ni
    GB/T 1504
    SGA I 2.9-3.6 1.2-2.2 0.2-0.8 0.2-1.0 3.01-3.50 0.5-1.0
    SGA II 2.9-3.6 1.0-2.0 0.2-0.8 0.3-1.5 3.51-4.50 0.5-1.0

    Properties and Applications

    Material code Roller body hardness (HSD)

    Tensile strength Rm(N/mm2)

    		 Maximum size(mm) Maximum unit weight(t) Recommended use
    GB/T 1504
    SGA I 55-78 ≥350 Φ1350 35 Continuous rolling of small section steel, medium
    rolling of the bar, finishing rolling of narrow strip steel
    High-speed wire pre-finishing rolling, square / slab
    blooming;
    SGA II 60-80 ≥350

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About Us

Suzhou Meigang Engineering Technology Co., Ltd is well known Bainitic Nodular Cast Iron Rolls manufacturer and Bainitic Nodular Cast Iron Rolls supplier in China. Our factory is located in the southeast of Jiangsu province, the Yangtze River Delta in the middle – of Suzhou. The company specializes in metallurgical equipment, mining machinery equipment, electrical machinery equipment, metal products, industrial robots, and other sales and technology development. The registered capital of the company is 12 million yuan, and there are more than 100 professional technicians, production and development personnel, and engineering management personnel. We can also custom Bainitic Nodular Cast Iron Rolls.

Main products: 1. Complete set of steelmaking and continuous casting equipment: design, manufacture, and commissioning; 2.Complete steel rolling equipment; 3. Special alloy equipment and accessories.

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Why Choose Us
Focus on customer quality, optimize services and continuously improve.
  • Customization

    We have a strong R&D team, and we can develop and produce products according to the drawings or...

  • Cost

    We have two of our own casting foundries and one CNC machining factory. So we can offer the best price...

  • Quality

    We have our own testing lab and the advanced and complete inspection equipment, which can...