Equivalent for S355J2 H-Beam

This is a question nobody here is likely to answer. Since you are asking the basics of engineering.

I would like that you please refresh the Theory of structures (a part of the Strength of Materials as I remember)

If you read through carefully, you will find that each of these shapes behave differently under different load conditions.

So there is no simple answer to it.

Calculate the various loads axial, transverse, tortional... on the structure - portion that you want to compromise- and then try to get the shape you want to match the properties / exceed it in some of them.

You didn't even give the size of the original shape, so it will be impossible for others to select an equal or stronger rectangular tube.

A structural steel table will give the moment of inertia of various shapes in the X-X and Y-Y axes. Or you can calculate them from basic formulas. Select a rectangular tube of equal or greater moments of inertia in both axes, unless your loading is such that one axis doesn't matter. Also correct for any difference in the strength of the two materials, unless they are the same.

This answer isn't complete, either, but it should give you a starting point.

Thanks and am sorry to have missed out on specifying the H section size - its 160x160 and 8 mm thick.

And any idea regarding equivalent grade for S355J2 because this grade is not readily available in Mumbai, India?

-§@Η¡£

As far as the second part is concerned try out IS 2062 FE 490 (E350) with YS just a bit less at 350 MPa and Charpy V at Room temp and -20Deg C (values 50J and 25J)

or FE 540 (E410) with YS 410 and Charpy V same as above.

Refer to the IS2062 latest version (2006) - where the charpies are made mandatory and quite a few new grades are introduced, not the earlier 1999 version.

For the other, as I mentioned, unless the loading patterns are known, equivalence will be just a bit problem.

Infact in you may get the H beams to IS2062 from market (Though we usually are in I beam) but our supplier catalogues do show H beams.

S355J2 is a European spec - EN 10025

It is suitable for low temperature use and is normally Charpy tested at minus 20 degrees C with a 27 Joule energy.

The minimum yield should be 355 MPa

If you use an RHS you will find a 160 x 160 x 8mm thick will be slightly stronger than a 160 x 160 x 8 parallel flange beam but you will need to recheck with the tables.

Please note that this is a higher strength than minimum and a lower temp than usual so it would be wise to be very cautious. Most engineers would not specify this material unless there were special conditions for using it, so if you are doing a replacement make sure you know why this spec of material is being used. Also ensure that there is no problem if the RHS is sealed up as pressure could build up inside - special arrangements are made if used subsea or in high temps.

Hello Sahil,

Hope you are fine?

Try one of these sites. They seem to make the equivalent of the H section on tube.

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I have checked this site and they do Suare or rectangular tube in your spec':

http://www.frbiz.com/q-S235JRG2/

Square Tubes/Rectanglar Tubes ERW square/rectangular steel tubes: 1)Available size:O.D: 15x15 to 500x500, W.T: 0.5mm to 20mm 2)Steel grade: Grade: Q235B, Q345B, SS400, A36, A572, A992 Gr50, S235JRG2, S235JR, S275JR and... QC: | Qrank: 26/100 From: Shanghai Shangde Steel Pipe Co.,Ltd Time: 2009-07

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S355j2 Manufacturers, Buyers & Suppliers - EC Plaza HFcold Formed Steel Hollow Section (square Tube ... Rectangular Steel pipe ( Hollow Section) Size: 80x80mm-400x400mm ... Products Hot rolled equal-leg angle steel Specification GB:30*30-200*200 JIS:30*30-200*200 Material A A32 A36 . ...

www.ecplaza.net/search/0s1nf20sell/s355j2.html

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Hollow Sections Manufacturers, Buyers & Suppliers - EC Plaza Rectangular tube/ Square pipe/ Hollow section Take advantage of high quality raw .... ~500x500mm RHS (Rectangular Hollow Section): 20x10mm~600x400mm Spec/

. ... www.ecplaza.net/search/0s1nf20sell/hollow_sections.html

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Show more results from www.ecplaza.net Import Export Trade Leads - Import Of Flat Rolled Steel Products ... steel coil (plain sheet), hot rolled steel equal angles, hot rolled steel flat bars, ... S275JR, S355JR, S235J2, S355J2, S235J0, S355J0 rollin. ... ...2 Range of Product: Round Tube / Square Tube / Rectangular Tube / Oval / Flat Oval ... Stainless Steel Tube/ Pipe, in Round, Square and Rectangualar shape Hot Rolled ...

www.tradeboss.com/default.cgi/action/.../Import.../1/

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S235JRG2 - Select S235JRG2 from 230 Sellers. ERW square/rectangular steel tubes: 1)Available size:O.D: 15x15 to 500x500, W.T: 0.5mm to ... From: Shanghai Shangde Steel Pipe Co.,Ltd Time: 2009-07-18 ... Place of Origin: China Guangdong Model No: Angle steel Features: 1)Equal angle , unequal angle. ... Sell in Europe HR Plates in EN Standarts S235JR,S355J2+N ...

www.frbiz.com/q-S235JRG2/

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[PDF] GENERAL SPECIFICATION SPECIFICATION FOR SUPPLY AND FABRICATION OF ... File Format: PDF/Adobe Acrobat - View as HTML Specification for Fabricated Structural Steel Pipe [API specification 2B] for .... material shall conform to one of the following standards: NEN-EN 10025 Grade S355J2 ... Hollow square and rectangular sections shall conform to the latest editions of ..... Hot Rolled Equal T-Sections. Hot Rolled Equal L- Sections. ...

www.gdfsuezep.nl/.../specification_201_rev_1248684029._10__supply_and _fabrication_of_steel_structures.pdf

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[PDF] GENERAL SPECIFICATION SPECIFICATION FOR SUPPLY AND FABRICATION OF ... File Format: PDF/Adobe Acrobat - View of API Specification for Fabricated Structural Steel Pipe [API specification 2B] for diameter of ... S355 Charpy at -20°C (NEN-EN 10025 Grade S355J2). .... Hollow square and rectangular sections shall conform to the latest editions of DIN 59410 or equivalent. ..... Hot Rolled Equal T-Sections. [26] Euronorm 56 ...

www.gazdefrance.nl/.../spec201rev8supplyfabricationsteelstructures_ 1124440471.pdf

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Hope this helps.

bb

Somehow one or two of of my attempts to respond to this question have not been posted. I am working from the AISC (American Institute of Steel Construction) Manual. Your shape (160 x 160 x 8 H beam) is not standard in the U.S. Thus I cannot simply look up some alternative selections.

However, a 200 (vertical) x 100 (horizontal) x 6 rectangular tube would be as strong as the original selection, and would use less material per unit of length. But you could not inspect or paint the interior surfaces very easily, to prevent corrosion.

Your question is interesting, and I would like to help, but without a drawing, I don't know if you are using this shape as a column (axial load) or as a beam (bending load). Can you provide a dimensioned drawing?

From other posts, it appears that the S355J2 specification includes an impact (Charpy or similar) test. Is this a low-temperature application that would require such a test?

I am sorry that this posting contains more questions than answers, but more information is needed in order to answer correctly.

Hi Tornado,

Hope you are well?

With regard to the internal of the box tube.............. He could always have it Hot Dipped and or Zinc coated?

Take care.

@sb:

thanks for suggesting the alternatives. shall check the availability of the same in the market..

@bb:

the sites u suggested were really helpful in understanding the grade and the hollow section specifications..

@tornado:

the grade S355J2 has been suggested mainly from the strength perspective..no other application specific requirement..

Hello Sahil,

Very much appreciate the mention, thanks.

Good luck