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Old 02-22-2012, 09:12 AM   #1
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Default Hi from an Abrasive Guy

Saw some chat on this site regarding soda blasting and decided to join up. Here's my company web site- http://www.garnetsales.com

I've attended a few NACE and SSPC shows and am learning from end users like those on this forum.
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Old 02-22-2012, 09:34 AM   #2
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Glad to have you on the forum! I've used garnet as an abrasive and it works great compared to sand, it's hard, produces very little dust (read, you can see what the hell you're doing) and can be reused 2-3 times.
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Old 02-22-2012, 09:46 AM   #3
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Old 02-22-2012, 12:46 PM   #4
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Quote:
Originally Posted by CMonster View Post
Saw some chat on this site regarding soda blasting and decided to join up. Here's my company web site- http://www.garnetsales.com

I've attended a few NACE and SSPC shows and am learning from end users like those on this forum.
Welcome abrasive guy
If you really want to talk with abrasive people like me then you MUST go here http://www.contractortalk.com/f95/ where lots of end users hang out.
Garnet gets pretty dusty too especially when you recycle it but still a great media for many types of substrates.steel grit is much better for visabilty but limited to certain substrates and expensive stainless steel grit is great as well but very expensive.
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Old 02-22-2012, 01:36 PM   #5
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I always thought Paint Talk took the prize for having the most abrasive guys.
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Old 02-22-2012, 03:04 PM   #6
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Hello.
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Old 02-22-2012, 04:40 PM   #7
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I mostly use the SSPC-AB Type 2 abrasive in the form of slag (Kleen Blast). It can't be recycled like Type 1 Garnet, but has less silica and can still produce a 2 mil profile on steel.
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Old 02-22-2012, 07:30 PM   #8
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Last sub sea job we did NDT on structural
steel. After sub sea abrasive blasting by commercial diver's they did magna flux to check for cracks.

Nothing like inspection work, this is a couple pic's of our blast equipment and abrasive.

You may ask why IR 750's, to blast at 4+ atmospheres it takes extra CFM to blast subsea. 2 compressors for redundancy.

The work was performed offshore platforms.

Hi from an Abrasive Guy-image-2481640157.jpg



Hi from an Abrasive Guy-image-2135333109.jpg
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Old 02-22-2012, 07:49 PM   #9
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Quote:
Originally Posted by robladd
Last sub sea job we did NDT on structural
steel. After sub sea abrasive blasting by commercial diver's they did magna flux to check for cracks.

Nothing like inspection work, this is a couple pic's of our blast equipment and abrasive.

You may ask why IR 750's, to blast at 4+ atmospheres it takes extra CFM to blast subsea. 2 compressors for redundancy.

The work was performed offshore platforms.
That is some serious stuff !!!
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Old 02-22-2012, 07:59 PM   #10
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Rob,

Do the divers also apply a coating on the exposed substrate at sub sea after the test blast, or do they wait for dry dock? I've heard of some coatings that can be applied under water.
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Old 02-22-2012, 08:18 PM   #11
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Quote:
Originally Posted by robladd View Post
Last sub sea job we did NDT on structural
steel. After sub sea abrasive blasting by commercial diver's they did magna flux to check for cracks.

Nothing like inspection work, this is a couple pic's of our blast equipment and abrasive.

You may ask why IR 750's, to blast at 4+ atmospheres it takes extra CFM to blast subsea. 2 compressors for redundancy.

The work was performed offshore platforms.

Attachment 10072



Attachment 10073
Sounds like fun.
I wonder how a 36k + psi uhpw would work in that environment.
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Old 02-22-2012, 08:52 PM   #12
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Quote:
Originally Posted by CMonster View Post
Saw some chat on this site regarding soda blasting and decided to join up. Here's my company web site- http://www.garnetsales.com

I've attended a few NACE and SSPC shows and am learning from end users like those on this forum.
Welcome. Want to warn you dont let the guys here on pt rub you the wrong way.
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Old 02-22-2012, 09:46 PM   #13
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Quote:
Originally Posted by CApainter
Rob,

Do the divers also apply a coating on the exposed substrate at sub sea after the test blast, or do they wait for dry dock? I've heard of some coatings that can be applied under water.
Not on this inspection job, NDT and magna flux. Checking for structural integrity of the platform and components.
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Old 02-22-2012, 09:51 PM   #14
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Quote:
Originally Posted by ibsocal
Sounds like fun.
I wonder how a 36k + psi uhpw would work in that environment.
We use Cavidyne blaster first to clean the inspected area. Then abrasive blast to give the profile for magna flux.

It's a 3 step process, the magna flux is electro static and the flux will fill in any hairline cracks
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Old 02-22-2012, 10:05 PM   #15
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Quote:
Originally Posted by CApainter
Rob,

Do the divers also apply a coating on the exposed substrate at sub sea after the test blast, or do they wait for dry dock? I've heard of some coatings that can be applied under water.
We will disconnect and bring parts to the service prep and paint with 3M Scotch Kote 323i pipeline coating and reinstall.
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Old 02-23-2012, 11:19 AM   #16
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WELCOME but NEPS will have something to say about being Mr. Abrasive
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