Unit Weight of Chinese I Beam

Dear Readers,

 

For Chinese Steel section Beams are mentioned as “I “or “H " followed by number. To find out the size of section is, shown number multiple by 10 is the size of member.

For Example I20 means I section 200 mm depth. Simultaneously the beam sizes are same but width or flange size is different then suffix a, b, c is shown.

For example I20a & I20b, both are 200 beam. However width of flange is 100 and 102 mm respectively, also thickness of web also changes. While designating the beam Depth and width only mentioned. I20a means Beam 200 X 100 and I20b means Beam 200 X 102. Unit Weight of I Beam section is below.

Generally Chinese Steel Grades are Q195, Q215, Q235, Q255 and Q275 is used for Structural works. steel grades by the yield point of the letter on behalf of (Q) and yield point value is mentioned and sub grade A, B, C & D are used for further classification. For Example Q235A means, it is a carbon steel and having maximum yield strength of 235 Mpa.

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For More Details about Chinese Steel Standards Click Here

Sectional Properties

Important and common sectional properties of rolled steels are Moment of Inertia, Radius of gyration & Elastic Modulus. The purpose of usage and definitions are below. Generally, the centimetre (cm) is used for the calculated properties.

Moment Of Inertia (I)
Area Moment of Inertia, also known as Second Moment of Inertia - I, is a property of shape that is used to predict deflections and stresses in beams. The larger the Moment of Inertia the less the beam will bend. The moment of inertia is a geometrical property of a beam and depends on a reference axis and has been calculated taking into account all tapers, radii and fillets of the sections.

Radius of gyration (r)

The radius of gyration is a parameter used in buckling calculation. It can be calculated by roots of Moment of Inertia divided by Area

r = (I / A)^1/2

Elastic modulus (Z)

The elastic modulus is used to calculate the moment capacity based on the design strength of the section or the stress at the extreme fibre of the section from a known moment. It is derived as follows:

Z =I/e

Where e is the distance to the extreme fibre of the section from the elastic neutral axis.

Other sectional properties are used in engineering are

Buckling parameter (u), Torsional index (x), Warping constant (H), Torsion constant (J), Plastic modulus (S), Torsion modulus constant

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Unit Weight of All Beams

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This is in continuation with my previous posts of Hot Rolled sections. You may familiar with my previous posts like ISJB, ISLB, ISMB, ISWB, ISHB & ISSC. Self felt if all beams weights are made available one table it will be use full to all . The result of the thought is below mentioned Table.



Hope this is very handy table. Please send your feed back to  engineerdiary@gmail.com

  

For More Details about Beams Click BEAMS

For More Details about Hot Rolled Steel Click IS:808:1989

Know the Difference between "I" Beam and "H" Beam Click H & I-Beams

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Unit Weight of ISSC

SC Series is called Column Sections

      In continuation with my earlier posts ISMB, ISJB, ISLB, ISWB & ISHB this is also one of the standardized categories of hot-rolled steel, shaped H-beams.

1. ISSC 100 X 100 - 20.00

2. ISSC 120 X 120 - 26.20

3. ISSC 140 X 140 - 33.30

4. ISSC 150 X 150 - 37.10

5. ISSC 160 X 160 - 41.90

6. ISSC 180 X 180 - 50.50

7. ISSC 200 X 200 - 60.30

8. ISSC 220 X 220 - 70.40

9. ISSC 250 X 250 - 85.60

        When Comparing with ISHB & ISSC the main difference is Height & Width of beam is equal.  In addition to above sizes some special sizes also available in market. ISSC 152 X 152 - having unit weight 23 Kg & 30 Kg per Meter. Another is ISSC 204 X 204 having unit weight 49.9Kg per Meter

For Unit Weight of Light Weight Beam Click ISLB

For Unit Weight of Junior Beam Click ISJB

For Unit Weight of Medium Weight Beam Click ISMB

For Unit Weight of Wide Flange Beam Click ISWB

For Unit Weight of Heavy Weight Beam Click ISHB

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Unit Weight of ISHB

Indian Standard Heavy Weight Beams / Columns

In continuation with my earlier posts ISMB, ISJB, ISLB & ISWB this is also one of the standardized categories of hot-rolled steel, having a shape whose cross section resembles the letter H.

It is having the sizes from 150 to 450mm. Usually they are heavier sections.It is available in two weights (Type-I & Type-II). Please refer the table below.
       In addition to above ISHB 150 X 150 is available for unit weight of 27.1kg Web thickness is further lesser than type-II

       For Type-I & II, these heavier beam sections in each size are obtained from the same set of rolls. The width of flanges and Height of Beams are same , However the difference is between the thicknesses of the webs. Therefore, while ordering these heavier sections, mass should be mentioned. Please note that ISHB sections are also used as column sections.

For More Details about steel section Click Steel Section

For Classification of Indian Hot Rolled Steel Click IS : 808 

For Unit Weight of Junior Beam Click ISJB

For Unit Weight of Light Beam Click ISLB

For Unit Weight of Medium Beam Click ISMB

For Unit Weight of Wide Flange Beam Click ISWB

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Unit Weight of ISWB

Indian Standard Wide Flange Beam

In continuation with my earlier posts ISMB, ISJB, ISLB this is also one of the standardized categories of hot-rolled steel, shaped I-beams.This is similar to other beams but the width of flange more (wider) than Other Beams

1.ISWB 600 X 250 - 145.10

2.ISWB 550 X 250 - 112.50

3.ISWB 500 X 250 - 95.20

4.ISWB 450 X 200 - 79.40

5.ISWB 400 X 200 - 66.70

6.ISWB 350 X 200 - 56.90

7.ISWB 300 X 200 - 48.10

8.ISWB 250 X 200 - 40.90

9.ISWB 225 X 150 - 33.90

10.ISWB 200 X 140 - 28.80

11.ISWB 175 X 125 - 22.10

12.ISWB 150 X 100 - 17.00

In additionn to above ISWB 600 X 250 is available for unit weight of 133.7Kg. Depth & Flange size will be same however thickness of flange & web is lesser

For More Details about Steel Section Please click Steel Section

For Unit Weight of Light Beam Click ISLB

For Unit Weight of Junior Beam Click ISJB

For Unit Weight of Medium Weight Beam Click ISMB

For Unit Weight of Medium Weight Channel Click ISMC

For Classification if Indian Steel Click Hot Rolled Steel

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BEAMS

The shape of a steel I-beam strongly resembles a capital “I” in cross section, which explains the name. The steel I-beam has a strong central core capped with flanges on either side. 

I-beams, also known as H-beams, W-beams (for "wide flange"), rolled steel joist (RSJ). The horizontal elements of the "I" are flanges, while the vertical element is the web.  By far the most common structural material is steel due to its strength to weight ratio.

Steel is one of the most common materials used to make I-beams, since it can withstand very heavy loads in flexure meaning bending. Usually a beam carries vertical gravitational force but is also capable of carrying horizontal loads generally in the case of an earthquake.

The most commonly found steel beam is the I beam or the wide flanged beam also known by the name of universal beam or stouter sections as the universal column. Such beams are commonly used in the construction works

The most commonly found types of steel beams are varied and they are mentioned below:

1.    I beams

2.    Wide flange beams

3.    HP shape beams

4.    Special shape non-standard beams

5.    H beams

6.    Junior beams

In today’s modern construction the beams are generally made up of materials like:

1.    Steel

2.    Wood

3.    Reinforced concrete

For More details about Designation and terminology of Beams Click Beams