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1st yr welding apprentice project

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1st yr welding apprentice project

Postby Sftyvlv » Sat May 06, 2017 5:32 pm

A project the first yr welding apprentices completed.
1 1/2"pipe inside 2" pipe welded in the 2,5 and 6f positions. This mock up is used to simulate socket weld fittings. Welded with 3/32 6010 and 7018.
This pipe spool was then hyroed to 650 psi. All 14 apprentices passed with one project pumped to 840 psi with no leaks.
Proud of our Ua welding apprentices.
20170315_155429.jpg
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Re: 1st yr welding apprentice project

Postby Otto Nobedder » Sat May 06, 2017 6:50 pm

Nice work, Safety Valve!

Pneumatic and hydro testing are great skills to learn as you progress, as well.

Here's a pneumatic I did on my own work, sch. 160 304, 1/2" pipe (after 25% x-ray).

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Re: 1st yr welding apprentice project

Postby exnailpounder » Sat May 06, 2017 11:27 pm

Otto Nobedder wrote:Nice work, Safety Valve!

Pneumatic and hydro testing are great skills to learn as you progress, as well.

Here's a pneumatic I did on my own work, sch. 160 304, 1/2" pipe (after 25% x-ray).

GEDC1506.JPG


Steve S

It only got to 9675...what happened after that :lol: :lol:
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Re: 1st yr welding apprentice project

Postby Otto Nobedder » Sun May 07, 2017 12:33 am

9680 was the goal. The Haskell pump I achieved this with was rated for 9000. I pushed it a bit...

The test was 110% of maximum working pressure (8800 psi).

It actually operates at 8000 PSI,

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Re: 1st yr welding apprentice project

Postby exnailpounder » Sun May 07, 2017 10:07 am

That is some scary pressure. I used to get nervous filling SCUBA tanks, or should I say overfilling SCUBA tanks to 4000 psi. which reminds me of a question...If a 330cf bottle of air (or any gas) ruptured and suddenly released the whole volume of gas, what would it do to a building if all the doors and windows were shut? I always wondered that when I worked in a dive shop when I was alive.
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Re: 1st yr welding apprentice project

Postby Farmwelding » Sun May 07, 2017 11:08 am

exnailpounder wrote:That is some scary pressure. I used to get nervous filling SCUBA tanks, or should I say overfilling SCUBA tanks to 4000 psi. which reminds me of a question...If a 330cf bottle of air (or any gas) ruptured and suddenly released the whole volume of gas, what would it do to a building if all the doors and windows were shut? I always wondered that when I worked in a dive shop when I was alive.

I don't know but I want to have a camera to film it quite a few yards(meters for those across the pond :lol:) away from it. If you haven't seen the myth busters tank drop test video watch it. They take I beleive a 330 tank and knock the head off and it goes through cinder blocks a few times.
A student now but really want to weld everyday. Want to learn everything about everything. Want to become a knower of all and master of none.
Instagram: @farmwelding
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Re: 1st yr welding apprentice project

Postby electrode » Sun May 07, 2017 11:41 am

exnailpounder wrote: I always wondered that when I worked in a dive shop when I was alive.


You mean you are actually dead now? :lol:
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Re: 1st yr welding apprentice project

Postby Farmwelding » Sun May 07, 2017 1:07 pm

electrode wrote:
exnailpounder wrote: I always wondered that when I worked in a dive shop when I was alive.


You mean you are actually dead now? :lol:

I guess Jeff died and now his ghost has taken over him. Endless alcohol and can weld without gloves and a helmet and in any position with no problems. His wife is actually not happy though because Jeff has decided to use his ghost abilities to scare the living hell out of her all the time bu sneaking around unnoticed and then using a haunting voice. From now on he is phantom Jeff.
A student now but really want to weld everyday. Want to learn everything about everything. Want to become a knower of all and master of none.
Instagram: @farmwelding
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Re: 1st yr welding apprentice project

Postby electrode » Sun May 07, 2017 1:18 pm

And she has to wear that gas mask looking welding hood after he stinks up the bathroom with a "Mr. Hankey". :lol: :lol:
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Re: 1st yr welding apprentice project

Postby exnailpounder » Sun May 07, 2017 6:25 pm

Farmwelding wrote:
exnailpounder wrote:That is some scary pressure. I used to get nervous filling SCUBA tanks, or should I say overfilling SCUBA tanks to 4000 psi. which reminds me of a question...If a 330cf bottle of air (or any gas) ruptured and suddenly released the whole volume of gas, what would it do to a building if all the doors and windows were shut? I always wondered that when I worked in a dive shop when I was alive.

I don't know but I want to have a camera to film it quite a few yards(meters for those across the pond :lol:) away from it. If you haven't seen the myth busters tank drop test video watch it. They take I beleive a 330 tank and knock the head off and it goes through cinder blocks a few times.

I saw the Mythbusters episode but I am talking about a tank rupture...I know it could never happen but I always wondered.
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