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Calculating Section weight of Mild steel angle

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  • Calculating Section weight of Mild steel angle

    A mild steel angle of dimensions 35 mm x 35 mm x 5mm and is 20 feet long.

    Can anybody detail me about the calculation of it's section weight?


    Kind regards

    Punto

  • #2
    Re: Calculating Section weight of Mild steel angle

    Originally posted by Unregistered View Post
    A mild steel angle of dimensions 35 mm x 35 mm x 5mm and is 20 feet long.

    Can anybody detail me about the calculation of it's section weight?


    Kind regards

    Punto
    You have to calculate the volume as length x cross-sectional area, then multiply by the density. You have to use consistent units; I'll use centimeters, and 7.9 g/cm³ for the density. Various grades of steel can differ slightly from this.

    Dimensions 3.5 cm x 3.5 cm x 0.5 cm, by 609.6 cm long
    Cross section area is 0.5 cm x (3.5 cm + 3.0 cm) = 3.25 cm²
    Volume is 3.25 cm² x 609.6 cm = 1981.2 cm²
    Mass is 7.9 g/cm³ x 1981.2 cm³ = 15651.5 g, or about 15.65 kg

    You could work in any length units, but that will determine your volume units, and you need density in those units. The above approach generalizes to any constant shape, but the area may be more complicated to figure.

    Comment


    • #3
      Re: Calculating Section weight of Mild steel angle

      A mild steel angle of dimensions 35 mm x 35 mm x 5mm and is 20 feet long.

      Comment


      • #4
        Re: Calculating Section weight of Mild steel angle

        how to calculate volume at ms angle ,and channel

        Comment


        • #5
          Re: Calculating Section weight of Mild steel angle

          Originally posted by Unregistered View Post
          how to calculate volume at ms angle ,and channel
          Calculate the area of the cross-section, then multiply by length to get volume, then multiply by the density to get weight.

          Different shape sections may be harder to calculate cross sectional area, but post #2 is a general guide.

          Comment


          • #6
            Re: Calculating Section weight of Mild steel angle

            For this typical cross section
            http://www.google.com/imgres?q=mild+...,r:14,s:0,i:99
            you could use mensuration formulas for circles and rectangles and then combine the areas.

            Comment


            • #7
              Re: Calculating Section weight of Mild steel angle

              A mild steel angle of dimensions 50mm x 50 mm x 6mm and is 20 feet long.

              calculate weight
              Last edited by JohnS; 09-15-2013, 04:11 PM.

              Comment


              • #8
                Re: Calculating Section weight of Mild steel angle

                Originally posted by Unregistered View Post
                A mild steel angle of dimensions 50mm x 50 mm x 6mm and is 20 feet long.

                calculate weight
                Cross section 0.6 cm*(5 cm + 4.4 cm) = 5.65 cm²
                Length 609.6 cm
                Volume 3438.14 cm³
                Mild steel is about 7.85 g/cm³, so 26989 g or 26.989 kg
                I would just round to 27.0 kg.

                Comment

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