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  #1  
Old 03-21-2007, 01:18 AM
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Default To Mass Weight in Kg

Hai.
I have steel plate with the following details : 1200mm x 1400mm x 12mm thickness. How to convert to weight?.
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  #2  
Old 03-21-2007, 10:39 PM
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Default Re: To Mass Weight in Kg

Quote:
Originally Posted by Unregistered
Hai.
I have steel plate with the following details : 1200mm x 1400mm x 12mm thickness. How to convert to weight?.
the density of plain mild steel is 7.85.
the long answer is that depending on where you look, or the grade of steel that you are talking about can change this value. a density of 7.88 is often quoted for mild steel as well. if you add alloying elements such as tungsten, chrome or manganese to improve the steel, the density will change. so the long answer is that the density of steel can vary between
7.75 and 8.05.

To calculated the mass of steel, you can work on the basis that steel
weighs 7.88mg/mm3, So...
a) 1 mg of steel is 1/7.88 = 0.126 903 553 299 492 385 786 802 030 456 85 mm3.
b) To calculate the mass of a steel plate, take the dimensions in millimeters
and then, width x thickness x length x 7.88 = milligrams of steel. multiply that by 1 000 and you get grams, multiply the result in grams by 1 000 and you get kilograms
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Last edited by gubment_cheez; 03-22-2007 at 08:25 PM. Reason: fixed inches to read as millimeters
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Old 03-22-2007, 01:24 AM
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Default Re: To Mass Weight in Kg

Hi, I think gubment_cheez means use millimeters, not use inches.

To get weight, multiply the volume by the density. In this case, the density is about 7.88, the volume is easiest to deal with in cubic cm.

volume in cubic cm: 140 x 120 x 1.2 = 20,160 cubic cm

weight in grams: 20160 x 7.88 = 158,861g

weight in kg = 159kg
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Old 03-22-2007, 08:23 PM
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Default Re: To Mass Weight in Kg

yeah, when I originally wrote it out, the values were in lbs/f3, I converted that into inches, when I originally wrote that text, then I realized the question was in millimeters, so I converted it into milimeters. I forgot to change that word
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Old 12-15-2009, 03:21 AM
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Default Re: To Mass Weight in Kg

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Hai.
I have steel plate with the following details : 1200mm x 1400mm x 12mm thickness. How to convert to weight?.
1200 mm x 1800 mm x 12 mm thick

Last edited by JohnS; 12-15-2009 at 07:38 AM.
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  #6  
Old 12-15-2009, 07:38 AM
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Default Re: To Mass Weight in Kg

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1200 mm x 1800 mm x 12 mm thick
1.2 m x 1.8 m x 0.012 m = 0.0259 m
at 7850 kg/m, 203.5 kg
Note the density will vary slightly according to the exact grade of steel you have.
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Old 02-18-2011, 12:29 AM
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Default Re: To Mass Weight in Kg

I have steel plate with the following details : 1000mm x 1000mm x 10mm thickness & 1000mm x 1000mm x 8mm thickness. How to convert to weight?.
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Old 02-18-2011, 03:02 AM
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Default Re: To Mass Weight in Kg

Quote:
Originally Posted by Unregistered View Post
I have steel plate with the following details : 1000mm x 1000mm x 10mm thickness & 1000mm x 1000mm x 8mm thickness. How to convert to weight?.
Follow the example in post #6 using your dimensions.
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Old 02-26-2011, 06:11 AM
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Cool Re: To Mass Weight in Kg

Quote:
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Hai.
I have steel plate with the following details : 1200mm x 1400mm x 12mm thickness. How to convert to weight?.
I have steel plate with the following details : 1200mm x 1400mm x 12mm thickness. How to convert to weight?.
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  #10  
Old 02-26-2011, 04:13 PM
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Default Re: To Mass Weight in Kg

Quote:
Originally Posted by Unregistered View Post
I have steel plate with the following details : 1200mm x 1400mm x 12mm thickness. How to convert to weight?.
Answered in post #6
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