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Large Inventory ASTM A36 Ss400 Q235 Q345 St37 S235jr S355jr Low Hot Rolled Carbon Steel Coil

Large Inventory ASTM A36 Ss400 Q235 Q345 St37 S235jr S355jr Low Hot Rolled Carbon Steel Coil Featured Image
  • Large Inventory ASTM A36 Ss400 Q235 Q345 St37 S235jr S355jr Low Hot Rolled Carbon Steel Coil
  • Large Inventory ASTM A36 Ss400 Q235 Q345 St37 S235jr S355jr Low Hot Rolled Carbon Steel Coil
  • Large Inventory ASTM A36 Ss400 Q235 Q345 St37 S235jr S355jr Low Hot Rolled Carbon Steel Coil
  • Large Inventory ASTM A36 Ss400 Q235 Q345 St37 S235jr S355jr Low Hot Rolled Carbon Steel Coil
  • Large Inventory ASTM A36 Ss400 Q235 Q345 St37 S235jr S355jr Low Hot Rolled Carbon Steel Coil

Short Description:

Hot-rolled carbon steel coil is a continuous steel strip coil produced by heating high-carbon or low-carbon steel slabs at high temperatures (usually above 1100°C, i.e., above the recrystallization temperature) and rolling them in multiple passes. It is the most widely used basic bulk steel in the industrial and construction fields, and also the base material for subsequent deep-processed products such as cold rolling and galvanizing.


  • Inspection: SGS, TUV, BV, Factory Inspection
  • Standard: ASTM
  • Grade: Carbon steel
  • Model Number: A36,Ss400,Q235,Q345,St37,S235jr,S355jr
  • Technique: Hot Rolled
  • Thickness: 0.35 - 200mm
  • Width: ≥600mm，1000mm -2500mm
  • Tolerance: ±3%, +/-2mm Width: +/-2mm
  • Payment term: TT
  • Delivery Time: 3-15 days (according to the actual tonnage)
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    Product Detail

    Product Tags

    Product Detail

    Product Name

    		 Hotselling Best Quality A Large Amount Hot Rolled Steel Coil

    Material

    		 Q195/Q235/Q345A36/S235JR/S355JR

     Thickness

    		 0.35 - 200mm

    Width

    		 Width must be ≥ 600mm. Typically, the width ranges from 1000mm to 2500mm, with 6000mm being the most common length.

    Standard

    		 ASTM A53-2007, ASTM A671-2006, ASTM A252-1998, ASTM A450-1996, ASME B36.10M-2004, ASTM A523-1996, BS 1387, BS EN10296, BS
      6323, BS 6363, BS EN10219, GB/T 3091-2001, GB/T 13793-1992, GB/T9711

    Grade

    		 A53-A369, Q195-Q345, ST35-ST52 ,such as: A36 , SS400 , A572 Gr.50  ,Q195, Q215, Q235, Q345, S355JR 
      Grade A, Grade B, Grade C

    Technique

    		 Hot rolled

    Packing

    		 Bundle, or with all kinds of colors PVC or as your requirements
    Key specifications
    KS SS275, SS315, SS410, SS450, SM275A/B, SM355A/B/C/D, SM420A/B/C/D
    JIS SS330, SS400, SS490, SS540, SM400A/B, SM490A/B/C, SM490YA/YB, SM520B, SN400B, SN490B
    ASTM A36, A283-C, A1011CS Type B, A1011SS Gr.33, A1011SS Gr.40, A1011HS Gr.50, A1011HS Gr.55, A1018HS Gr.50, A1018SS Gr.36 Type2
    EN S235JR, S275JR/J0/J2, S355JR/J0/J2
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    Hot Rolled  Coils

    Thickness 0.35 - 200mm
    Width ≥600mm，1000mm -2500mm
    Grades
    • Re-rolling/ Drawing Grades,
    • Tube and Pipe/ Forming Grades,
    • Structural/ Medium Tensile Tube/ Forming Grades,
    • LPG/ Low Pressure Vessel Grades,
    • HSLA Grades,
    • Medium Carbon Grades,
    • Weather Resistance Grades,
    • Line Pipe Grades,
    • Chequered Plates

    Hot Rolled - Pickled & Oiled (HRPO)

    Thickness 1.6 - 6.0mm
    Width 1650mm

     

    Hot Rolled - Skin Pass Pickled & Oiled (HRSPO)

    Thickness 1.6 - 2.6mm
    Width 1650mm
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    Main Application

    application

    1.Applications
    Widely applicable in fluid and gas transmission, steel structure, and building projects.

    2.Product Features & Advantages
    ROYAL GROUP ERW round carbon steel pipes are produced with high quality, stable performance and strong ability of supply. They find wide applications in steel structure systems, building and industry projects where the need for dependable, economical and lasting service from steel pipes is essential.

    Note:
    1.Free sampling, 100% after-sales quality assurance, Support any payment method;
    2.All other specifications of round carbon steel pipes are available according to your requirement (OEM&ODM)! Factory price you will get from ROYAL GROUP.

    Size Chart

    Thickness(mm) 3 3.5 4 4.5 5 5.5 customized
    Width(mm) 800 900 950 1000 1219 1000 customized

     

    Process of production

    The production of hot rolled coil begins with raw material preparation, where high-quality steel slabs are selected according to required chemical composition and standards.

    The slabs are then heated in a reheating furnace to high temperatures above the recrystallization point, ensuring good plasticity for rolling.

    Next, the heated slabs undergo rough rolling, where thickness is gradually reduced through multiple passes to form intermediate steel strip.

    After roughing, the strip enters finishing rolling mills, where precise thickness control, width accuracy, and mechanical properties are achieved.

    The hot strip is then subjected to laminar flow cooling, which controls cooling speed to optimize microstructure and improve strength and toughness.

    Finally, the steel strip is coiled and packaged, forming hot rolled coils ready for storage, transportation, and further processing such as cutting, welding, or fabrication.

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    Packing and Transportation

    Packing Standard For Hot Rolled Coils

    hot-roll-packaging1

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    Transportation: Express (Sample Delivery), Air, Rail, Land, Train, Sea shipping (FCL or LCL or Bulk)

    W BEAM_07

    FAQ

    Q1: What is hot rolled coil production used for?

    Hot rolled coil production is used to manufacture steel sheets and coils for construction, structural engineering, automotive parts, pipelines, and general industrial applications.

    Q2: Why is steel heated before rolling?

    Heating the steel slab improves plasticity, reduces deformation resistance, and allows easier shaping during the rolling process.

    Q3: What is the purpose of rough rolling and finishing rolling?

    Rough rolling reduces slab thickness, while finishing rolling ensures precise dimensions, improved surface quality, and stable mechanical properties.

    Q4: What is laminar flow cooling used for?

    Laminar cooling controls the cooling rate of the steel strip, optimizing its microstructure to improve strength, toughness, and performance consistency.

    Q5: How does this process affect steel quality?

    The controlled rolling and cooling process enhances mechanical properties, ensuring uniform thickness, high strength, and good formability.

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