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How long can a 1lb with 0.8mm diameter

SimpleRyke
By SimpleRyke
in Hobby Electronics
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with out considering the 2% flux , and using 7.31g for Sn and 11.35g for Pb as density,

 

i got an answer of 101.5309 meters . (please correct me if im wrong)

 

 

huh, i can do it after all :) 

thanks guys ! ^_^

Posted

what is the Length of a 60/40 soldering lead that is 0.453kg and 0.8mm in diameter? i could not find the volume of the thing so is there any other way to go around this? 

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yeah, i dont have that either. i could not find the correct density for 60/40 solder.

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3 minutes ago, knox said:

yeah, i dont have that either. i could not find the correct density for 60/40 solder.

This isn't entirely accurate, but since it's a 60/40 mixture you could estimate its density by doing a weighted average of the density of each material - lead and whatever else

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2 minutes ago, Energycore said:

This isn't entirely accurate, but since it's a 60/40 mixture you could estimate its density by doing a weighted average of the density of each material - lead and whatever else

can you teach me? :) i tried googling for its density but could not find the 60/40 measure .

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Or look up a data sheet, 60/40 is 8.5g/cm2. 63/37 is 8.4g/cm2.

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Length is usually written on the package. If not, a 1lb of 60/40 solder should last you quite a while

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Just now, r4tch3t said:

Or look up a data sheet, 60/40 is 8.5g/cm2. 63/37 is 8.4g/cm2.

wow you actually found one can you link up the source sir? it would be greatly appreciated.

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3 minutes ago, r4tch3t said:

Or look up a data sheet, 60/40 is 8.5g/cm2. 63/37 is 8.4g/cm2.

Don't make it easy for them!

 

We don't want spoiled engineers later down the line :P

 

Edit: wait this isn't for homework? I goofed

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Just now, revsilverspine said:

Length is usually written on the package. If not, a 1lb of 60/40 solder should last you quite a while

sadly its not, true its a lot, but i would still like to know.

 

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3 minutes ago, Energycore said:

Don't make it easy for them!

 

We don't want spoiled engineers later down the line :P

well we still dont know if its legit information^_^.

 

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Just now, knox said:

well we still dont know if its legit information^_^.

 

Fair enough.

 

This page might have info

http://www.harrisproductsgroup.com/en/Products/Alloys/Soldering/Lead-Bearing-Solders/60-40.aspx#technical

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3 minutes ago, knox said:

well we still dont know if its legit information^_^.

 

http://www.farnell.com/datasheets/315929.pdf

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It's 60/40 but there's also 1..3% flux inside, depending on brand , series, flux type

also some include the roll/spool weight in that 1lb , but generally the spool weights only a few grams

 

Anyway most accurate would be to measure let's say 10 meters and put that wire on a precision scale and then divide 1lb to that weight and you have your length (in multiples of 10 meters)

 

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  • Solution

with out considering the 2% flux , and using 7.31g for Sn and 11.35g for Pb as density,

 

i got an answer of 101.5309 meters . (please correct me if im wrong)

 

 

huh, i can do it after all :) 

thanks guys ! ^_^

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When you're out of it just go and buy more. Why do you need to know how long it is? So did you accidently slice a boeing 747 in half and now you need to solder it back together? xD

 

 

 

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