• We Supply Stainless Steel Hot Rolled Round Bar, Aisi 1010, 4140 Hot Rolled Flat Bar & Astm A36 Hot Rolled Flat, 1018 Hex, 1045 Hot Rolled Square Bars Manufacturers in India.
  • Hot Rolled Bar & Rod

    Stainless Steel Hot Rolled Round Bar, Aisi 1010, 4140 Hot Rolled Flat Bar & Astm A36 Hot Rolled Flat, 1018 Hex, 1045 Hot Rolled Square Bars Manufacturers in India.

    Hot Rolled Steel Round Bar Tolerances, Weight, Process

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    Raaj Sagar Steel Iso Certified Stainless Steel Hot Rolled Round Bar, Aisi 1010, 4140 Hot Rolled Flat Bar & Astm A36 Hot Rolled Flat, 1018 Hex, 1045 Hot Rolled Square Bars Manufacturers in India.

    Hot Rolled Peeled Bar

    Round peeled bars are produced by cutting tools chipping off the surface of the steel, as a result they feature a smooth and polished surface.
    Consequently, possible surface defects may be removed from the rolled product and a technically surface defect free product is obtained. Peeling is followed by polishing with straightness control and improvement of roughness.

    Applications: Automotive, tooling machinery, fine Mechanics, nuts and bolts

    Hot Rolled Round Bar

    Hot rolled round steel bars, usually named “round bars”, are produced by hot rolling continuously cast steel billets. Round bars are used in hot die pressing and forging but they may also undergo cold finishing.

    A variety of mechanical components such as gears, hubs, shafts, drives and many more can be obtained by die pressing and forging. They all have to resist, sustain and transfer motion and must not warp. In this field, steel fosters real industry development.

    Hot Rolled Square Bar

    Hot rolled square bars are produced by hot rolling continuously cast steel billets. Geometrically they have a square cross-section with sharp edges and are intended either to be further machined or drawn. By mechanical processing a vast number of components of industrial equipment and tooling machines are manufactured.

    Applications: Industrial equipment, tooling machinery, cold finishing (drawing).

    TYPES OF HOT ROLLED BARS WE SUPPLY

    Stainless Steel Hot Rolled Bar
    A36 Hot Rolled Bar
    Hot Rolled Flat Bar
    Aisi 1010 Steel Hot Rolled Bar
    Astm Hot Rolled Steel Bar
    Hot Rolled Carbon Steel Round Bar
    Hot Rolled Peeled Bar
    Hot Rolled Profile Bar
    Hot Rolled Plain Steel Bar
    Hot Rolled Round Bar
    Hot Rolled Steel Tee Bar
    1018 Hot Rolled Round Bar
    A36 Hot Rolled Steel Tee Bar
    Hot Rolled Mild Steel T Bars
    1018 Hot Rolled Bar
    1045 Hot Rolled Square Bar
    Hot Rolled Square Bar En 10059
    4140 Hot Rolled Bar Stock

    BAR TOLERANCES FOR HOT ROLLED ALLOY BARS

    Below is a chart for reference on hot rolled bar tolerances.

    Specified Sizes (Rounds or Squares) Over Under Out-of-Round or Square Machining Allowance - Minimum Stock Removal*
    To 5/16" included 0.005" 0.005" 0.008"

    0.016"

    Over 5/16" to 7/16" included 0.006" 0.006" 0.009" 0.016"
    Over 7/16 to 5/8" included 0.007" 0.007" 0.010" 0.016"
    Over 5/8" to 7/8" included 0.008" 0.008" 0.012" 0.021"
    Over 7/8" to 1" included 0.009" 0.009" 0.013" 0.023"
    Over 1" to 1-1/8" included 0.010" 0.010" 0.015" 0.025"
    Over 1-1/8" to 1-1/4" included 0.011" 0.011" 0.016" 0.028"
    Over 1-1/4" to 1-3/8" included 0.012" 0.012" 0.018" 0.030"
    Over 1-3/8" to 1-1/2" included 0.014" 0.014" 0.021" 0.033"
    Over 1-1/2" to 2" included 1/64" 1/64" 0.023" 0.042"
    Over 2" to 2-1/2" included 1/32" 0" 0.023" 0.052"
    Over 2-1/2" to 3-1/2" included 3/64" 0" 0.035" 0.072"
    Over 3-1/2" to 4-1/2" included 1/16" 0" 0.046" 0.090"
    Over 4-1/2" to 5-1/2" included 5/64" 0" 0.058" 0.110"
    Over 5-1/2" to 6-1/2" included 1/8" 0" 0.070" 0.125"
    Over 6-1/2" to 8-1/4" included 5/32" 0" 0.085" 0.155"
    Over 8-1/4" to 9-1/2" included 3/16" 0" 0.100" 0.203"
    Over 9-1/2" to 10" included 1/4" 0" 0.120" 0.250"

    Hot Rolled Round Bar Weight

    Diameter

    D, mm

     Weight

    kg/m

    Diameter

    D, mm

     Weight

    kg/m

    Diameter

    D, mm

     Weight

    kg/m

    Diameter

    D, mm

     Weight

    kg/m

    8

    0,39

    30

    5,55

    90

    49,94

    190

    222,6

    10

    0,62

    32

    6,31

    95

    55,64

    200

    246,6

    11

    0,75

    35

    7,55

    100

    61,65

    210

    271,76

    12

    0,89

    38

    8,9

    105

    67,97

    220

    298,25

    13

    1,04

    40

    9,86

    110

    74,6

    230

    325,98

    14

    1,21

    42

    10,88

    115

    81,54

    235

    340

    15

    1,39

    45

    12,48

    120

    88,78

    240

    354,95

    16

    1,58

    48

    14,21

    125

    96,33

    250

    385,14

    17

    1,78

    50

    15,41

    130

    104,19

    260

    416,57

    18

    2

    55

    18,65

    135

    112,36

    270

    449,23

    19

    2,23

    60

    22,2

    140

    120,84

    285

    501

    20

    2,46

    65

    26,05

    145

    129,63

    290

    518

    22

    2,98

    70

    30,21

    150

    138,72

    295

    536

    24

    3,55

    75

    34,68

    160

    157,8

    300

    555

    25

    3,85

    80

    39,46

    170

    178,2

    310

    592

    28

    4,83

    85

    44,54

    180

    199,8

    330

    671

    Steel grades

    S235JR, S275JR, St3sp, S355J2, 15, 20, 45,

    20Х, 40Х, 41Cr4, 18ХГТ, 16MnCr5, 30ХГТ, 42CrMo4

    Standart length 6000 mm
    Standarts Steel EN 10025, EN 10083, EN 10084, 
    GOST 380, GOST 1050, GOST 4543
    Dimensions and tolerances EN 10060, GOST 2590

    Hot Rolled Bar Vs Cold Rolled Bar

    Hot Rolled Steel
    Hot rolling is a mill process which involves rolling the steel at a high temperature (typically at a temperature over 1700° F), which is above the steel’s recrystallization temperature. When steel is above the recrystallization temperature, it can be shaped and formed easily, and the steel can be made in much larger sizes. Hot rolled steel is typically cheaper than cold rolled steel due to the fact that it is often manufactured without any delays in the process, and therefore the reheating of the steel is not required (as it is with cold rolled). When the steel cools off it will shrink slightly thus giving less control on the size and shape of the finished product when compared to cold rolled.

    Cold Rolled Steel
    Cold rolled steel is essentially hot rolled steel that has had further processing. The steel is processed further in cold reduction mills, where the material is cooled (at room temperature) followed by annealing and/or tempers rolling. This process will produce steel with closer dimensional tolerances and a wider range of surface finishes. The term Cold Rolled is mistakenly used on all products, when actually the product name refers to the rolling of flat rolled sheet and coil products.

    When referring to bar products, the term used is “cold finishing”, which usually consists of cold drawing and/or turning, grinding and polishing. This process results in higher yield points and has four main advantages:

    Cold drawing increases the yield and tensile strengths, often eliminating further costly thermal treatments.
    Turning gets rid of surface imperfections.
    Grinding narrows the original size tolerance range.
    Polishing improves surface finish.
    All cold products provide a superior surface finish, and are superior in tolerance, concentricity, and straightness when compared to hot rolled.

    Cold finished bars are typically harder to work with than hot rolled due to the increased carbon content. However, this cannot be said about cold rolled sheet and hot rolled sheet. With these two products, the cold rolled product has low carbon content and it is typically annealed, making it softer than hot rolled sheet.

    If you don’t see what you’re looking for just call one of our team members at +91-22-6659 5285 Or Mail Us inquiry@raajsagarsteels.com. No inquiry is too large or too small, we specialize in locating hard to find items. If you do see what you are looking, we would love to assist you and give you a quote today!

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