Weldable "mild" steel grades? -from a newb

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Old 10-15-04, 07:06 PM
Hondo_jr
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Weldable "mild" steel grades? -from a newb

Hi all, I just started welding a few months ago, and have a bit of success with my chosen welder (lincoln weld pak HD) making various things including a rolling welding cart and a wood organizer. The welder is strictly a flux-cored wire only job so, so far thats all I have used. My question to yall is:
Are there different grades of mild, weldable, normal (I have heard it called alot of different things) steel out there? And if so could someone point me in a direction to where I could find out what makes each one what it is (hardness, etc)?

I have been looking for a resource like this for a while now and after spending a few hours reading over this I couldn't be happier. Thank goodness! Finally somebody to answer all my questions!

Thanks

Sean
 
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Old 10-16-04, 07:58 AM
majakdragon's Avatar
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http://www.imac.ca/technofocus/steel...0discussed.htm

Click on the above link and perhaps it will answer some of your questions.
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Old 10-16-04, 01:11 PM
Hondo_jr
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Thanks for the link. Seems to be a wealth of info, though until I get to study it more it might just lead to more questions 8).

But basically what it is saying is that yes, there are a few different types of "mild" steel. (2 maybe if I'm reading this right?)

That being the case, what kind of steel do you get at your (or my) local home depot or hardware store?

Thanks again for the help
 
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Old 10-17-04, 06:34 AM
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Sean,

The usefull link that majakdragon provided pretty much sums it up.

Any steel that you will find at a big box store, if they sell metal, will be generically named structural or mild.
The lower grades shown in the link are normally what you will use for projects.

I would encourage you though, to locate a supplier other than a hardware store as you will pay through the nose and have an extremely limited selection.
A scrap yard is asolutely the best place to purchase small quantities of metal. It will be the cheapest and the dealer will more than likely have a pretty good knowlege of his product.

Get yourself a good angle grinder with a wire wheel and a sanding disk to clean up your finds
What I like about scrap yards is you will often find odd shaped specialty steel that will make some unique projects.
Awhile back I found an 8' piece of 10" x 2 1/2" x 3/16" channel that had unusually rounded edges that made a most excellent winch bumper for my 4x4.
Another thing I would suggest is that if you do get to visit a scrap yard you tell the owner you have a small number of upcoming projects and ask what he charges for a few specific common sizes of metal.
1", 1 1/2" and 2" x 1/8" in square, angle and flat cover a lot of common projects and would be handy to have if you were to start collecting metal.
Also, some yards charge by the pound and if your yard does ask if he/she would have an old steel catalogue that shows the ponds/foot of various steel shapes.

Here is a link to an online steel calculator that looks handy.

Have fun!
 
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