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  #21  
Old 09-25-2014, 08:05 AM
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Rails getting higher aren't the problem.
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  #22  
Old 09-25-2014, 08:15 AM
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Rails getting higher aren't the problem.
Good pictures to describe post 19.

I also read an article (I forget where so no source) that claimed most if not all rail road rails are a manganese steel, which would make since as it is intended that this type of steel work hardens ALOT.
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  #23  
Old 09-25-2014, 09:31 AM
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Here's a typical analysis from Jersey Shore Steel. They reroll old rails into many different shapes.

I think high Manganese steel is only used for high-wear cast items like track frogs.
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  #24  
Old 09-26-2014, 02:45 PM
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Originally Posted by weldor2005 View Post
1000'*(12"/1')=1,200"
1,200"*6.5*10^-6=.0078"

1000' raised 1°F will expand 0.0078"

1000' raised 100°F will expand 0.78"

That's the idea anywise.
Misplaced decimal point...

1000' x 12" x6.5E-6 x 100F = 7.8".

That's explains the wonky pics.

Don't put too much steel railing/fencing between block or brick columns unless they have a way to expand and contract. They'll crack the mortar joints every time. Don't ask me how I know.
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  #25  
Old 09-27-2014, 07:21 AM
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Misplaced decimal point...

1000' x 12" x6.5E-6 x 100F = 7.8".

That's explains the wonky pics.

Don't put too much steel railing/fencing between block or brick columns unless they have a way to expand and contract. They'll crack the mortar joints every time. Don't ask me how I know.
That is correct for 1000'. My error was that he asked about 100' and I calculated for 100', but typed 1000', and by the time I noticed I ran out of the window in which I am allowed to go back and edit the posting.
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  #26  
Old 10-02-2014, 06:26 AM
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Default WET #7 - Different Education Institutions

This episode is kind of a quick response to a comment I got on the PQR first video that I posted a while back. I apologize I was in a time crunch yesterday and I did this while getting my oil changed. It talks about how different education facilities look at what they need to teach in their curriculum.

WET # 7
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  #27  
Old 10-15-2014, 07:24 PM
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Default Wet # 8 - vt

Here is my 8th episode, a talking point that was heavily stressed at the AWS workshop that I recently attended was the importance of VT or Visual Testing. The discussion was about how VT is not formally thought of as a NDE method in the welding industry and how much this is effecting the industry. One point that was brought up and I personally think this to be a little low, is that it takes about 300% more resources to repair a weld than the original weld would have taken.

WET #8
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  #28  
Old 10-15-2014, 08:56 PM
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Originally Posted by weldor2005 View Post
Here is my 8th episode, a talking point that was heavily stressed at the AWS workshop that I recently attended was the importance of VT or Visual Testing. The discussion was about how VT is not formally thought of as a NDE method in the welding industry and how much this is effecting the industry. One point that was brought up and I personally think this to be a little low, is that it takes about 300% more resources to repair a weld than the original weld would have taken.

WET #8
The most important thing I learned when studying for the AWS test was there was no perfect weld, meaning all welds have defects. It is just a matter of how many defects are allowed.

Another thing I learned was no repaired weld is as strong as a non repaired same size weld. Both of these were key factors when inspecting welds during my career.
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  #29  
Old 10-16-2014, 05:11 AM
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The most important thing I learned when studying for the AWS test was there was no perfect weld, meaning all welds have defects. It is just a matter of how many defects are allowed.
The key thing here is that they are a discontinuity until they are large enough to be considered a defect. A defect will likely be repaired, and a discontinuity will likely not or should not be repaired.

Sent from my government tracking device.
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  #30  
Old 10-22-2014, 05:58 PM
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Default WET # 9 - Back Step Welding

Thanks everyone for sticking with me at to this point. Even I know some of this material to be bland and then for me to present it must make it even worse...

This episode is about back step welding as the title implies, and how it helps control warping.

WET # 9
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