Questions tagged [steel]

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0
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1answer
94 views

Can I replace the engineer's I-Beam recommendation with a different one?

I'm removing a load bearing wall and the structural engineer recommended a W8x15 steel I-beam. It would save me a lot of effort if I could use a 6" beam instead. So I'm trying to calculate the ...
0
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2answers
25 views

Sink top: spray gun lacquer or metal enamel?

I am thinking in mounting a washbasin into a 3mm steel plate. The plate will be painted in a Klein Blue. Considering that it will get wet and that there won't be too much ventilation in the room... ...
0
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1answer
83 views

Could my grinder cut a 3mm steel plate

I am thinking in building a circular washbasin mounted into a 3mm steel plate. To do it, I need to cut a circle on the plate. I don't have much, just a cheap 1250w grinder and the discs that came with ...
2
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0answers
59 views

Loft conversion - steel beam sticking out

Good afternoon, We have started loft conversion today. Sadly after builders uncovered the roof they discovered that unlike structural engineer's assumption (they were buried under insulation), the ...
1
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0answers
42 views

Options for sealing hot rolled (mild) steel with a matte finish?

I'm building a book shelf using 1.5" angle iron made from hot rolled steel as the frame. It's my understanding that this steel will rust even if left indoors. While I like the raw, industrial look of ...
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2answers
27 views

Securing a new wooden floor to a steel framed horse box

I am currently working on a renovation project where I am converting a old Horse trailer (box) into a mobile bar. As part of this project I have had to replace the old flooring in the box. Previously ...
1
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1answer
141 views

Using strong magnets for hanging window blinds

I have a wide window a touch less than 6' across and I want to install a blind with 2" deep horizontals. The blind that was within my price range comes with five support brackets, which can either ...
0
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0answers
35 views

What are the minimum insulation code requirements for a steel arch building (Quonset hut) used as a residence?

I'm interested in building a steel Quonset hut home in central Texas. I've done a fair amount of research on what's involved, but I'm stuck on insulation. The IECC defines minimum insulation ...
1
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1answer
37 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
244 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
81 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 ...
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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
96 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
17 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
459 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
68 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
44 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
111 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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4answers
69 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
103 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
517 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
324 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
21 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
2k 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
65 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
159 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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2answers
3k 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
2k 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
131 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
votes
1answer
114 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
171 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
33 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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2answers
79 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
226 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
votes
1answer
66 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
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2answers
730 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
526 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, ...
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
1k 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
180 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
votes
1answer
166 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
42 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
votes
1answer
57 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
votes
1answer
185 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
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1answer
54 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
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2answers
440 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 ...
0
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0answers
131 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
vote
2answers
874 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 ...