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Questions tagged [steel]

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1
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1answer
31 views

Adding hinges to steel box tube that is going to be powder coated - advice

So, I've designed a frame built of 3mm thick 5 x 5mm steel box tube, which will have inset wooden panels. This will eventually become a unit for an aquarium. All good in practice but the front wooden ...
0
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3answers
71 views

Rectangular steel tube bolted connection

Is there any way to make bolted connections (T-shape, L-Shape etc) for rectangular or square steel tubes to avoid welding but also achieve modularity of the structure? Threaded tube inserts can help ...
0
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1answer
31 views

Cover galvanized wire up to stop rust?

After 8 years of questions, I finally completed the fence. The issue I’m having now is that the loops in the galvanized steel are rusting at a pretty fast rate. I’m looking to spray them with ...
5
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5answers
1k views

How long will metal pipe last in earth and concrete

I'm building a fort for my kids out of wood, 8 foot by 8 foot and trying to work out how to make it last. I can't get treated wood, and apparently untreated wood rots within a year of ground contact ...
2
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2answers
48 views

Restoring steel casement windows

I’m dealing with some 1930’s era steel casement windows, Tudor revival style, that are in reasonably good shape for the most part. They need some maintenance and would like some suggestions for how ...
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0answers
11 views

Lintel plate support for thick brick wall for window

I need to poke a window in a thick brick wall in a basement carrying the rest of the also brick house above it (2 floors above + roof). The basement wall is 3 bricks thick, each brick 4" wide plus ...
1
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2answers
157 views

Building a No-Weld Trailer Chassis

I need a chassis for a box trailer. For now I'm focusing on the chassis itself, as once that's built I can use it to haul the rest of the things needed for the box. I'm no steel-worker though, and ...
1
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1answer
33 views

Install meter box on existing steel siding

I need to install 2 electrical boxes on existing steel siding. One box is a 13" meter box (ringless lever), and while I'm at it I want to leave room to install a solar panel disconnect switch box for ...
1
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2answers
43 views

Reduce rust in bases?

I installed these bases about 3 months ago, but as you can see from the pictures, the screws and washers already have rust spots. A few of the bases have rust spots also. What can I do to reduce rust?...
1
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2answers
89 views

Do reverse-thread eye screws exist?

I know I can't ask shopping questions, but please bear with me. I don't want to purchase turnbuckles for my wire rope fence, so I want to use what someone here suggested: use a reverse-threaded screw ...
0
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2answers
41 views

galvanized or stainless turnbuckles for exterior wire rope fence?

I'm working on a wire rope fence that looks like this. The difference is that we live fairly close to the ocean, which means lots of salty air. I've bought 1/8" galvanized steel with plastic coating ...
1
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2answers
90 views

Will steel continue rusting if it's completely covered in concrete?

Let's say I have a 5" piece of rebar in a rooftop that's exposed to the elements (ie.sun, rain, salt air, etc). After some time it will be covered in rust and pieces of rust can be scraped off. Let's ...
0
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3answers
157 views

Pulling wire rope so it's tight? [duplicate]

I have 3/8" wire that needs to be tight (not sagging) between two wooden posts with screw eyes. I don't want to purchase turnbuckles if I don't have to. How can I pull them and then secure it with a ...
0
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4answers
223 views

How to attach steel cable to threaded rod [closed]

I am trying to get an industrial look to a desk unit that has threaded rods (M20) at the corners, using steel cables. I want to get an 'X' using the cables, but not sure how to attach the cable end to ...
0
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0answers
20 views

How should I clean and protect this trailer before installing new brackets?

I'm overhauling a used boat trailer. These brackets and bunks will all be replaced with new ones. After removing the old brackets but before installing the new ones, what should I do about the parts ...
1
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1answer
630 views

How much weight can mild steel square tubing support?

I am looking to purchase a length of steel tubing with the following dimensions 1800mm x 25mm x 25mm with a wall thickness of 3mm. How much weight will be able to support at mid point if supported at ...
0
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2answers
62 views

Should I remove this gray layer on freshly bought steel?

So I bought this steel bar 240x5x0.5 cm and it has this kind of ugly, somewhat chippy surface: a dark gray layer. What is it? Should it be removed? In the picture, you can see how I'd sand it down, ...
1
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1answer
142 views

What are the iron bars and threaded rods sticking up out of my backyard?

What are these bolts and metal rods sticking out the ground?
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0answers
21 views

Steel rod horizontal strength

I'm doing a repair project where I'll be using steel rod cantalievered out to 4'. Can anyone tell me approximately how much weight 1 1/2 and 2" steel rod can carry at 4'?. The deck won't weigh a lot ...
3
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3answers
1k views

Guidelines for poured concrete over corrugated metal

It seems common in some commercial construction to use corrugated steel plates to form a 'deck' surface which concrete is later poured onto. The combined steel/concrete then forms a very strong floor ...
2
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5answers
837 views

How best to drill pilot holes through hardened steel exterior door frame?

I'm trying to drill pilot holes through my exterior door frame in order to install a weather seal. I purchased a few new cobalt drill bits labeled for hardened steel. However, each new bit was ...
0
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2answers
85 views

building a fire pit starting with a steel ring

I am going to build a fire pit, and ran into a few difficulties with conflicting things I have read online. When looking up various DIY projects or 'how to' videos on building a fire pit, a galvanized ...
0
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1answer
97 views

Is a 35mm steel square tube frame strong enough to support 100kg without flexing?

I've not been able to find an electric sit/stand desk that is a size I want so I've designed my own. I'm confident in the electronics side of things but I'm not certain of the strength of the ...
1
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2answers
70 views

Attach aluminum tube securely to base without welding/soldering?

How can I securely attach 4-ft x 1" aluminum tube to an aluminum base without having to solder/welding or glue? The aluminum base is 1/8" thick. The tubes are open on both sides, but they can be ...
0
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0answers
48 views

Filling hole with concrete? Part of rusted post in hole

The holes you see in the pictures used to hold steel posts from fence. They were cut, but as you can see, some of the rusted post still remains. We're going to cut as much of the post so that it's ...
0
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0answers
30 views

Rust-resistant 4x4 base for concrete?

I've read several reviews about this Simpson 12-Gauge E-Z Base that say that they began rusting after a few months. I wanted to use them, but they'll be used at a house next to the ocean, so I'm ...
0
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1answer
55 views

Reproduce/build 4“x4” steel bases using brackets?

I was searching for bases that will be used to anchor 4-ft x 4"x4" posts to concrete, and I saw this 12-gauge base for $18. I was also looking at these bases, but they seem a little flimsy. I'm ...
0
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1answer
164 views

Aluminum vs galvanized vs stainless tubing for fence with railing?

I'm building a simple fence that's composed of 1" or 1.5" OD x 0.065" wall x 4-ft tube soldered to a stainless steel base that's bolted to concrete. This fence will have a wood rail at the top. ...
0
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0answers
36 views

Materials needed to weld stainless steel to galvanized steel?

I have a welder that knows how to weld regular steel to regular steel. Now he's going to weld regular steel to stainless steel, but I'm sure he's never done this before. Besides the welding machine, ...
13
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11answers
4k views

Knowing where to drill holes in steel plate?

I have a concrete floor and I made two holes to bolt a 1/4"-thick steel plate. The problem is that the steel plates haven't been drilled yet. How can I determine where the holes will be drilled in ...
2
votes
2answers
594 views

Can I solder galvanized steel to stainless steel?

I have several stainless steel plates and I want to solder galvanized steel tubes to these plates. Is this possible? I ask because I have a guy that does all my soldering work, but he generally ...
6
votes
2answers
324 views

Drilling 1/4" steel plate and concrete?

I need to drill (44) holes in (22) 1/4"-thick stainless steel plates. These are for 3"x3/8" heavy Duty Screw Anchors that will go through the plate and into the concrete. My question is: if possible, ...
0
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0answers
83 views

Angle bracket aproximate carrying load

Is there way to get a rough approximation for the carrying capacity of an angle bracket and how would the dimensions influence it. For example for a steel bracket below: What would be some rough ...
1
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2answers
154 views

Heating Bare Steel Bars

I have hollow bare steel pull-up bars in my garage home gym that are virtually unusable without gloves when the temperatures drop below freezing. I would like to heat the bars in a safe way. ...
1
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2answers
771 views

Stabilizing steel table legs for dining table

I had two steel table legs fabricated for a dining table. It is made from flat steel of size 80mm x 8mm (3.15in x 0.3in). It looks like a rounded square and the size of each leg is 700mm x 700mm (27....
1
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2answers
133 views

Protecting 3/16" wire rope going through poles?

We have 3/16" wire rope (1/8" covered to 3/16") that will be going through several poles. Something like this: How can I protect the vinyl coating from being cut if/when it rubs against the hole edge?...
0
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1answer
137 views

Fasten 1/4" steel plate to 2x4 wood?

I have several 2"x4" x 12ft pieces of wood that I will use as rails. I need to secure them to several 1/4" steel plates. The steel plates have two holes for screws ( or whatever I end up using). The ...
0
votes
1answer
39 views

engraving steel sheets with a punch set - what can go wrong? [closed]

I am planning to buy some small steel sheets (such as those) and a letter punch set (such as this one) to engrave some data for safekeeping. It is for a one-off job so I am not looking to spend to ...
0
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1answer
53 views

Open steel columns on construction site exposed to heavy rain?

Last night it rained heavy on a home site where 8, 20ft / 6x6," steel columns (not galvanized) were under the rain as they were sticking up vertically from concrete foundation columns where the bottom ...
0
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1answer
104 views

What size box steel posts?

I have bought 2 second hand box steel gates each 8ft high and 9ft wide for the entrance to my horses field. I estimate they weigh about 200kg and 250kg (one has a substantial letterbox welded on). I ...
0
votes
1answer
48 views

Stainless steel sleeves to hold wire rope?

My original idea for the fence was to use eyebolts and rivnuts to close the wire, similar to the drawing below: But then I saw a Stainless steel sleeve like the one below. I know it's used to protect ...
4
votes
2answers
242 views

How are rivnuts measured and what eyebolt fits?

At Amazon, I've seen RN14 1/4"-20 steel rivet nuts, RN516 5/16"-18 steel rivet nuts, RN1024 #10-24 steel rivet nuts, 1/4-20UNC, 3/8-16, M3, M5, etc. I also saw the following image explaining the ...
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0answers
93 views

Adjust a recessed telepost/steel column

I need to lower a bit the teleposts in my house. I have no issues with the procedure per se, but I have issues with access. In particular, I have this situation: Besides the cable, the main issues ...
1
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2answers
586 views

Insert eyebolt into steel tube without using nut?

I have a regular round 1 1/4" steel tube, and I want to insert and eyebolt in it. The tube only has one hole (where the eyebolt goes) so I can't use a nut. What options do I have and can I find it ...
3
votes
4answers
3k views

Use screw into steel tube without using nut?

I have a regular round 1 1/4" steel tube, and I want to put a screw in it. The tube only has one hole (where the screw goes) so I can't use a nut. What options do I have and can I find it at Home ...
0
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0answers
101 views

How can I run wire rope around the corner of my railing with a turnbuckle?

I have a rooftop that looks like the following. I'll be using turnbuckles to connect each tube to the wire rope. The issue is: what do I do with the corner tubes? If I use the turnbuckles for the ...
0
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1answer
745 views

Water Dripping out of Overflow Pipe outside of house near my kitchen?

I have a overflow? pipe near the kitchen drain on the outside of the house that's been leaking as of late, and I'm curious if anyone knows what the pipe is, what it does, and how to fix the issue? ...
0
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2answers
175 views

Install wire rope to several steel tubes?

We have 13 1.5" round steel tubes that go around a small area in our backyard Each tube has a small hole that crosses the tube. I'm including the basic design: I would like to use wire rope (or steel ...
6
votes
4answers
874 views

How to attach an appliance bracket to a stainless steel table?

I need to attach this base plate to a stainless steel table in a commercial kitchen. It'd be attached to the top surface off to the side. It's for a commercial size can-opener. How do I go about ...
0
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0answers
29 views

Phosphoric acid before galvanic coating?

I want to protect some mild steel. I have removed all the rust with a flap disk but there are some pits left in the steel. I have tried to remove thse using electrolysis and now with to paint this. ...