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  4. what are the types of steel bars?...

what are the types of steel bars?

The types of steel bars are usually classified according to chemical composition, production process, rolling shape, supply form, diameter size, and institutional use

Rolling profile:
1) Smooth steel bars: HRB235 is a first-grade steel bar rolled into a smooth round section. The supply form has a round shape.  The diameter is not more than 10mm. The length is 6-12m
2 Ribbed steel bars: spiral herringbone crescent shape.  General Ⅱ grade steel bars, Ⅲ grade steel bars (herringbone).
Grade IV steel bars (spiral shape, crescent shape)
3) Steel wire [low carbon steel wire, carbon steel wire], steel strand
4) Cold rolled and twisted steel bars:
Diameter size:
1) Steel wire
2) Thin steel bars
3) Thick steel bars
Mechanical properties:
Grade I steel bars (Grade 235/370)
Grade II steel bars (Grade 335/510)
Grade Ⅲ steel bar (grade 370/570)
Grade IV steel bars (grade 540/835)
Production Process:
1) Hot rolled steel bars
2) Cold rolled steel bars
3) Cold drawn steel bars
4) Heat-treated steel bars (grade IV steel bars)
Institutional role:
1) Compression steel
2) Tension steel
3) Erecting steel bars
4) Distribution of steel bars
5) Stirrups
Rebar specifications for construction, generally round bar diameters are 4#, 6#, 6.5#, 8#, 10#, 12#, 14#, 16#, etc.
The diameter of threaded steel bars ranges from 10# to 32#, 40#, etc.
Round steel specification weight table
Specification cross-sectional area weight (KG/M) Specification cross-sectional area weight (KG/M) Specification cross-sectional area weight (KG/M)
Ø3.5 9.62 0.075Ø10 78.54 0.617Ø21 346.40 2.72
Ø4 12.57 0.098Ø11 95.03 0.746Ø22 380.10 2.98
Ø5 19.63 0.154Ø12 113.10 0.888Ø24 452.40 3.55
Ø5.5 23.76 0.187Ø13 132.70 1.04Ø25 490.90 3.85
Ø5.6 24.63 0.193Ø14 153.90 1.21

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Product Categories

  • pile cage welding machine
    • pile cage welding machine LYGH-1250
    • pile cage welding machine LYGH-800
    • pile cage welding machine LYGH-1600
    • pile cage welding machine LYGH-2200
    • pile cage welding machine LYGH-3000
    • Square Cage Welding Machine LYSH-500
    • small welding machine
    • container cage welding machine
  • rebar sawing and threading machine
    • rebar sawing and threading production line
    • rebar sawing machine
  • Random steel bar sorting line
  • cnc lattice girder production line
  • rebar bending machine
    • rebar bending machine LYGH-32
    • luyuan five-head bending machine
    • luyuan four-head bending machine
    • rebar bending machine LYWQ-50
  • rebar cutting machine
    • rebar shear line
    • rebar cutting machinery
  • rebar stirrup bender
    • rebar stirrup bender LYWG-16
    • rebar stirrup bender LYWG-16A
  • rebar cage resembly machine
  • rebar cage winding machine
  • rebar straightening machine
  • luyuan laser cutter
  • steel wire mesh welding machine
  • intelligent production robot
  • automatic loading and feeding machine
  • cnc no man operation rebar processing plant
  • Flat Steel Rolling Machine
  • other machine
  • cnc tapping machine
  • cnc cold rolling machine
  • small processing equipment
  • pc+concrete

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