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06-01-2011, 03:19 PM
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Join Date: Oct 2008
Location: Fresno, CA
Posts: 479
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Material Properties of Steps
Does anyone know the metal properties of the steps?
I took mine to a welder to have a gusset welded onto the bottom of it prior to installation, and the welder thought that it might be a special type of steel in which he would want to match.
thanks!
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Rick from Fresno
RV-7A
The art to flying lies in learning how to throw yourself at the ground and miss.
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06-01-2011, 03:25 PM
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Join Date: Mar 2008
Location: Reno NV
Posts: 542
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Material Properties of Steps
I just finished having gussets wielded on my -9A steps. I used 4130 .062" steel for the gussets. It welded fine and is very strong. Dan
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06-01-2011, 04:02 PM
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Join Date: Jun 2009
Location: Arroyo Grande, CA
Posts: 227
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any photos?
I'm thinking of doing some type of reinforcing of my steps before initial installation. Photos from previous threads look good. Did you do yours the same way?
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06-01-2011, 04:06 PM
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Join Date: Oct 2005
Location: Vancouver, WA USA
Posts: 908
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Your steps are 4130, we use Esab-65 rod to weld them, I believe it’s 70-S2, you could also use 4130 rod, not quite as nice to work with but it’s ok.
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06-02-2011, 08:24 AM
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Join Date: Jan 2010
Location: Destin
Posts: 1,543
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Quote:
Originally Posted by Russ McCutcheon
Your steps are 4130, we use Esab-65 rod to weld them, I believe it?s 70-S2, you could also use 4130 rod, not quite as nice to work with but it?s ok.
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well, you heard it from the man yourself! |
06-02-2011, 11:31 AM
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Join Date: Oct 2008
Location: Fresno, CA
Posts: 479
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Thanks all,
That's what I needed to know!
__________________
Rick from Fresno
RV-7A
The art to flying lies in learning how to throw yourself at the ground and miss.
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06-02-2011, 07:32 PM
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Join Date: Jan 2005
Location: MKE
Posts: 1,519
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Quote:
Originally Posted by Russ McCutcheon
Your steps are 4130, we use Esab-65 rod to weld them, I believe it’s 70-S2, you could also use 4130 rod, not quite as nice to work with but it’s ok.
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Rick,
4130 is also known as Chrome-moly, maybe your welder is familiar with that. Steps are not exactly a critical structural part and you can weld other types of steel to it.
Russ,
Since you are in the business, do you recommend welding with 4130 rod on this type of weldment, without heat treating after? Never welded with this rod but every text I've ever read recommended heat treating after welding.
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Jeff Point
RV-6, RLU-1 built & flying
Tech Counselor, Flight Advisor & President, EAA Chapter 18
Milwaukee
Last edited by sprucemoose : 06-02-2011 at 07:34 PM.
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