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steel beam

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Eddie Jones

03-29-2008 14:33:07




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What would a structural steel beam or a I-beam weigh. It 5/8" thick , 10" wide by 8' long? Thanks, Eddie




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oldhousehugger25

04-03-2008 17:59:19




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 Re: steel beam in reply to Eddie Jones, 03-29-2008 14:33:07  
steel weighs about .283 pounds per cubic inch. If you figure out what the cross sectional area of your beam is times your length 96 inches you have it.
So lets just say for arguement that the beam is 10 inch wide by 10 inch tall and 5/8 thick. Then you get 30 inches times .625 times 96 times .283 pounds per cubic inch. thats 318 pounds. Go ahead argue about that.



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George G

04-04-2008 05:27:38




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 Re: steel beam in reply to oldhousehugger25, 04-03-2008 17:59:19  
I come up with 489.2 lbs



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Slowpoke

03-30-2008 23:45:51




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 Re: steel beam in reply to Eddie Jones, 03-29-2008 14:33:07  
Can't you take two bathroom scales, put an 8" piece of 2x4 on each where your foot would go and put one scale under each end of the beam? Then add the weights.



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dr sportster

03-30-2008 08:03:03




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 Re: steel beam in reply to Eddie Jones, 03-29-2008 14:33:07  
Break it down into three sections then use geometry.Steel weights approximatly 495-500 lbs per sq ft.There will be some inacuracy due do the radius of the webbibg but it will be close.



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TomTex

04-01-2008 06:57:55




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 Re: steel beam in reply to dr sportster, 03-30-2008 08:03:03  
You said "Steel weights approximatly 495-500 lbs per sq ft." Square foot of what thickness?? A square foot of 14 guage would certainly not weigh the same as a square foot of 1 inch thick. What do you mean?? Tom



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Billy NY

03-30-2008 06:29:46




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 Re: steel beam in reply to Eddie Jones, 03-29-2008 14:33:07  
When estimating steel quantities for a structural steel building, the quanity used on the take off is weight, usually tons. You have to quantify all the steel members, determine their lengths and add up their weights from the drawings.

When you look at a framing plan, all steel is designated on the drawings as designed by the engineer, the first letter denotes the shape, the first number identifies the flange size or height and the last number is what the particular shape weighs per foot.

To determine the weight of a steel shape ie; W12 x 50 translates to: W shape, ( see AISC handbook) 12" flange and weighs 50lbs per foot. Now I just made that up, it may not be an actual AISC shape or member, just for discussion before anyone gets their hat wrinkled :) !

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Bendee

03-30-2008 05:52:36




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 Re: steel beam in reply to Eddie Jones, 03-29-2008 14:33:07  
Wikipedia may help you. Some examples there.



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36 coupe

03-30-2008 03:10:11




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 Re: steel beam in reply to Eddie Jones, 03-29-2008 14:33:07  
Better buy some old Lincoln welding books.They have charts on steel weights.A simple question stirred up some nut cases.



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T_Bone

03-29-2008 21:19:38




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 Re: steel beam in reply to Eddie Jones, 03-29-2008 14:33:07  
Hi Eddie,

You didn't give us enough info to determine what you have. Was that 5/8" web thickness? Width of flange?

Measure close as there's .615, .65, .595 web thickness depending on the beam shape and weights from 35lbs/ft(S) to 100lbs/ft(W).

In 8ft there should be a beam stamp on the web that says what you have and that would take the guess work out of it.

T_Bone



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Sid

03-29-2008 20:41:13




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 Re: steel beam in reply to Eddie Jones, 03-29-2008 14:33:07  
Hey Eddie, my son looked up in one of his books(he is a welder in power plants) and came up with an estimate of 45 pounds per foot or a total of 360 pounds.



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Charles (in GA)

03-29-2008 19:19:57




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 Re: steel beam in reply to Eddie Jones, 03-29-2008 14:33:07  
The man just asked for the WEIGHT of the beam, nothing else. Possibly he has one he needs to move and would like to know if his hoist, his back or his buddys back is up to it, dunno, but he did NOT asked about loading of the beam..... .....

There is a web page that will give you the dimensions and weights of W #1 beams.

Link

And for W #2 beams..... ...

Link

And for S beams (which are commonly known as I beams)..... ..... .....

Link

There, simple as that..... ..... ..

Charles

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L A Lamb

03-29-2008 16:57:29




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 Re: steel beam in reply to Eddie Jones, 03-29-2008 14:33:07  
35 lbs per ft on a I beam



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roger 52

03-29-2008 16:56:40




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 Re: steel beam in reply to Eddie Jones, 03-29-2008 14:33:07  
Aa an Architect in Missouri I am always amazed at the answers that are given out about steel beams. First off, all steel beems are different. They have different weights per lineal foot and that is how they are discribed. A W8x30 is typically 8" from top to bottom and weighs 30 pounds per lin. foot.
Secondly there are at least4 structural equations that should be made before any one decides which beam to try. If it meets the equations then and only then you try and use that size beam.
So to all of the shade tree mechanics out there Please Please stop asking for beam sizes or structural guesses!!!!!

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bjb in Ne

03-29-2008 19:44:29




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 Re: steel beam in reply to roger 52, 03-29-2008 16:56:40  
I agree with roger 52 in being cautious whenever someone mentions "structural steel". Its one thing to need the weight if you have a piece that needs moving, but the term "structural" has dangerous implications. I am a Master student in structural engineering at UT-Austin, and there are many things that can go wrong with what looks like a simple steel beam. Most people take it for granted all the calculations that are required for even simple steel structures stand up AND be safe. Its better to be cautious than to have someone get hurt. There is a reason it takes a degree, several tests, and several years as an Engineer In Training (EIT) to get licensed as an engineer, esp a structural engineer.

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FordnBolens

03-31-2008 09:31:32




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 Re: steel beam in reply to bjb in Ne, 03-29-2008 19:44:29  
FYI: EIT has been replaced with the designation FE, Fundamentals of Engineering in many locales.



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jose bagge

03-30-2008 04:53:13




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 Re: steel beam in reply to bjb in Ne, 03-29-2008 19:44:29  
Why is it that some folks with a degree, or even a MASTERS god forbid, seem to think that they are the only folks that have one?

I don't need my degree in chemistry to tell someone how much a gallon of water weighs, nor would I tell them how important it is have the "credintials" in order to provide the answer!
The fact of the matter is- neither one of these smug experts answered the guys question! The question never asked about the structural suitability of said I-beam for anything- just what it weighed! MAYBE THE GUY WANTS TO CALCULATE IT'S SCRAP VALUE- DOES HE HAVE TO BE AN CPA TO CONVERT WEIGHT TO DOLLARS?

Some folks think my comment was uncalled for- sorry if I offended. Even my wife finds me offense, and often!

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Sid

03-29-2008 20:30:47




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 Re: steel beam in reply to bjb in Ne, 03-29-2008 19:44:29  
I was gonna stay out of this, but if you and Roger 52 are so smart why can't the two of you get together and answer the mans question. HOW MUCH DOES THE BEAM WEIGH?



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Beam weight

03-29-2008 22:43:01




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 Re: steel beam in reply to Sid, 03-29-2008 20:30:47  
I agree with that. It shouldn't take years of engineering school just to figure out how much a piece of I-Beam weighs. Some people like to over complicate things. Maybe the guy just wants to move it but needs to know how much it might weigh so he can determine the best way to move it? I don't think you need to get into a bunch of complex load and deflection calculations just to move a piece of beam. It is quite possible it will have the size and weight marked on it. If not, if the flange and web thicknesses and overall height were measured, along with the width, a quick call to a steel supplier would tell you how much it weighs per foot. No need to call anyone names though just because they jumped the gun a little.

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jose bagge

03-30-2008 09:47:05




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 Re: steel beam in reply to Beam weight, 03-29-2008 22:43:01  
They pulled my original post, so I guess I was out of line...



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jose bagge

03-29-2008 17:16:54




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 Re: steel beam in reply to roger 52, 03-29-2008 16:56:40  
GOOD INFORMATION- LOUSY BED SIDE MANNER!
Did you become an a-hole before or after you received your degree?



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Bernoulli/OZ

03-29-2008 18:21:31




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 Re: steel beam in reply to jose bagge, 03-29-2008 17:16:54  

jose bagge said: (quoted from post at 17:16:54 03/29/08) GOOD INFORMATION- LOUSY BED SIDE MANNER!

Did you become an a-hole before or after you received your degree?


This is completely uncalled for!



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steveormary

03-29-2008 19:12:46




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 Re: steel beam in reply to Bernoulli/OZ, 03-29-2008 18:21:31  
I would agree.

steveormary



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