STERN CORNER GAURDS

Crusty Coastie

Commodore
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Feb 18, 2015
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Boston,Mass
First Name
Pete
Boat Make
38 Holland ''Orion''
Like em,where did you buy.I'd like to add to mine but transom has some curve.
 

El Mar

Admiral
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Westbrook, CT (The Asshole State)
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Bryan
Boat Make
43 Tiara Open DDEC, GradyWhite 226, 18 Donzi Classic, 15 Boston Whaler Sport ETec 60

LuSea

1st Mate
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Aug 22, 2013
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Clinton CT.
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Tom
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Nauset 35

Tuna Pursuit

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Feb 26, 2012
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Gloucester ma
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www.oliverwelding.com
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Duffy
Cold you make them out of plywood then bring that to a fabricator to copy?
Maybe. I templated in cardboard then I modeled them in SOLIDWORKS then punch out of 1/16 aluminum and tacked those up and went back to fit on the boat and they need tweaks. If I had gone with my templates there would of been problems.
 

Tuna Pursuit

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Duffy
Those are beautiful ! Do you fab them in 10 Ga. or 3/16 ?
I used 10ga which is .180" thick. 3/16" is .187" nominal BUT is plate and has a scale on it that won't polish very good. 10ga is a sheet size and made in 2B P&O finish which is very smooth and polishes much easier. I considered 1/8 or 11ga but so glad I went 3/16 very low distortion from welding. I think 11ga would if moved all over the place.
 

LuSea

1st Mate
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Clinton CT.
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Tom
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Nauset 35

cdevil

1st Mate
Joined
Nov 3, 2018
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Age
62
anytime, any questions about anything metal just ask.

would this work ? From speedy metals

316 Stainless Steel, Cold Rolled & Annealed, 2B Finish

Dimensions: 10ga (
.135")

Material: Stainless Steel

Grade: 316

Shape: Sheet
12"x24" Plate
Plus or Minus 1/4"
11.3184 lbs
Price:
$129.35
 

Tuna Pursuit

Admiral
Joined
Feb 26, 2012
Posts
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Gloucester ma
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www.oliverwelding.com
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Duffy
would this work ? From speedy metals

316 Stainless Steel, Cold Rolled & Annealed, 2B Finish

Dimensions: 10ga (
.135")

Material: Stainless Steel

Grade: 316

Shape: Sheet
12"x24" Plate
Plus or Minus 1/4"
11.3184 lbs
Price:
$129.35
Actually you know what I mis-spoke, you want 7ga, which is .180". I think the .135 it too thin
 

c1steve

Admiral
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Jan 30, 2017
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Tuna Pursuit,

I do have a metal question. 316L vs 316, same with 304. The L means low carbon, so that the metal expands less when heated, and is less likely to crack, I have been told. This is best for exhaust components, etc. For parts that are only heated during manufacture, such as a Samson post, would not the non-L grade be stronger and better?
 

Tuna Pursuit

Admiral
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Posts
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Gloucester ma
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www.oliverwelding.com
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Duffy
Tuna Pursuit,

I do have a metal question. 316L vs 316, same with 304. The L means low carbon, so that the metal expands less when heated, and is less likely to crack, I have been told. This is best for exhaust components, etc. For parts that are only heated during manufacture, such as a Samson post, would not the non-L grade be stronger and better?
300 series stainless is low carbon unless you get into 400 series and other alloys which have high carbon for things like knifes or parts for wear. So probably 25 years ago all the manufactures started making all T304 & T316 low carbon. There is really no difference that I am aware of. The 316 has higher nickel content and added molybdenum which is why it's better for marine. But it's all low carbon.

T304 is 18% Chromium/ 8% Nickel(18-8) no molybdenum.
T316 is 18% Chromium/10% Nickel/2-3% Moly(18-10)-the moly hepls with the corrosion resistance as well as a little more nickel
 


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