Questions tagged [steel]

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Whether and how to remove slag from stick welding crevices

I am learning stick welding and yet to learn how to make smooth welds without crevices. But I already have quite a few now and wonder what to do with them. I tried to remove the slag inside them with ...
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1 answer
59 views

How can I extend a square hollow section (SHS) steel post?

When I bought a steel patio kit, I thought I would put one of its square hollow section (SHS) steel posts on the existing balcony so I ordered it in two and half meters. However, I have changed my ...
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3 votes
3 answers
206 views

Will Stainless Steel Screws with Galvanized Hinges Cause Corrosion? (Exterior Application, Near Ocean)

I have a set of galvanized hinges for a shed door. The shed is located 50 feet from the ocean. Very salty air. The hinges didn't come with screws and I'm having a hard time finding suitable galvanized ...
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2 answers
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How can I reduce the effects of dilatation of wood on a steel deck?

I am planning to build an outdoor deck at my house. The dimensions will be 3x9 m. The base of the deck will be short concrete columns and on them I'd like to place a frame made of steel bars. The top ...
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2 answers
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Bench grinder sparks and gloves... (a question) [closed]

I'm wondering about others' preferences if and when you wear gloves while using a bench grinder. I am aware that gloves are not always a good idea since glove material can get caught in the works and ...
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How much weight can 14 gauge 3” square tubing support?

I’m trying to determine the load that will be subjected to a fence I want to build. The idea is that the posts of the fence will be constructed or 3x3-inch 14 gauge square tubing with stringers sized ...
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0 answers
25 views

Should my new steel stairs have a rubber gasket under for flexing?

Building an all steel staircase in my workshop, with 6" C channel stringers. I'm wondering if I should put some rubber inner tube under the plates at the bottom of the stringers on the concrete ...
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2 answers
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Steel electrical boxes downstream of a 100 amp subpanel

Do steel electrical boxes need to be grounded downstream of an unbonded 100 amp subpanel?
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-1 votes
2 answers
67 views

Using narrow (25mm-27mm) steel studs for walls

I did some research, watched some videos. All of those shows how to install standard steel studs for walls (50mm-100mm x 50 mm). For ceiling there are more narrow studs, like 60mm x 27mm or 60mm x ...
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53 views

Strengthening a gazebo roof support rod that was previously bent

Snow fell on my gazebo while I still had the canopy on it. It bent the rods inwards and downward. I have managed to straighten them as much as I could, but I feel like they need to be strengthened ...
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0 answers
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How do I replace the shutoff valve on steel pipe? [duplicate]

Can anyone tell me what I’m working with here? I’d like to replace this gnarly shutoff valve (for a toilet) with one of the newer style quarter turns. It’s an old house, and I believe the supply pipe ...
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Angle iron vs rectangular tubing for utility trailer

I am preparing to build my own utility trailer. Is there a source for comparing angle iron strengths vs rectangular tubing? As I general rule, for the same size and thickness, tubing is stronger. A ...
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Using angle steel as stair tread cleats

My walkout basement concrete pit was poured with a 36" wide area for the steps you can walk up to get to grade (sorry for the crude ASCII art): w +---+ | | | +--------+ | | +-----...
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1 vote
3 answers
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How to clean (and maintain) oxidation off powder coated steel

I just bought a used powder-coated steel rack that has some signs of wear and oxidation. I was wondering how best to clean/restore it, without damaging the coating. Is using water/vinegar potentially ...
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1 answer
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Gluing furring strips to steel plates to attach drywall to a steel plate

I have some beams in my ceiling that have been sistered with some steel plates. The long term plan is to put drywall as a finish, but that would require screwing the drywall to something. You can't ...
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Is it okay to screw self-tapping screws into a steel lintel of unknown thickness?

I want to install blinds into windows that have a metal lintel. The lintel appears to be a steel beam of unknown thickness. Can I just screw self-tapping screws in there? Should I drill a pilot hole ...
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1 vote
0 answers
41 views

Best material to protect concrete outdoor retaining wall from BBQ/pizza oven built onto it

Note - I've read Should I insulate my pizza oven between the firebrick base and concrete? and Will a slab poured with mortar stand up to service under a pizza oven? but they aren't rerally what I need....
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2 answers
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reversibly adhere steel parts (outdoors)

I bought a rain gauge for the garden. It consists of a long steel stick and an upper part that holds the jar. The upper part is merely put on top; there is no screw thread or anything to stick both ...
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1 vote
2 answers
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I recently moved into a house and it looks like a chemical has been used on the stainless steel drain and left marks. Is it possible to clean it off?

Markings around stainless steel sink
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1 vote
1 answer
211 views

Can I replace a 4x4 pine post with smaller steel post?

In a basement, I would like to replace an old 4x4 pine, load bearing, interior post with a square steel tubing post. The goal is to reduce the physical size as much as possible for aesthetics and ...
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3 answers
132 views

How can I color polished stainless steel?

I refer to stain that is intentionally created, similar to how we stain wooden surfaces to make them look nicer. I have mirror-like stainless steel strips, and I'd like to stain it to appear darker. ...
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5 votes
8 answers
2k views

Rust at welded steel beam joint

My house has a 20 ft long steel beam running across the entry way with two i-beams for supports. The supports are welded to a base plate at the ground. The joints have quite a bit of rust on them. I'...
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1 vote
2 answers
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Joining galvanized gutter sections: Rivet, solder, spotweld, or another method?

I will be replacing a section of gutter on a barn in a month and was wondering what the best method of joining the sections is. I will have limited ergonomics working in a lift about 27 ft off the ...
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-1 votes
1 answer
136 views

Calculation Of Steel Beam

I have a project where I need to span a 6 meter gap (~ 19.5ft) The beam will be supporting a load of 150KG (~ 330lbs) The load will be evenly spread along the beam. There can be no supports along the ...
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11 votes
6 answers
7k views

I want to build an all metal, self-designed building. Are metal frame and joists really that infeasible?

I have been putting together plans for my dream house. First an architect friend of mine said she might help, but right now she's got too much business and she hasn't even had time to look at a ...
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1 vote
3 answers
167 views

Which door is strongest?

I'm comparing two security doors. The first option is aluminum: It uses Meshtec which from what I've read is pretty much impossible to get through. However, from what I've read, aluminum is a lot ...
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14 votes
10 answers
5k views

What is the right tool to cut a clothesline made of coated steel?

I have a clothesline that is made of 5-6 braided tiny steel wires that is coated with flexible plastic. I need to cut it to smaller segments, I tried using a cable cutter made of carbon steel but it ...
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0 votes
1 answer
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What kind of primer and what kind of paint should I use for a metal staircase inside a house?

I am having a staircase welded and installed inside my house in Indonesia. This is just cheap steel, not stainless or galvanised, it's new but fairly rough and ready stuff. The steel part is being ...
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1 vote
0 answers
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Two metal I Beams are not spliced

We viewed a home that had steel I Beams. 2 of them were end to end over a support beam but were not spliced, they were only attached to the top of the pillar via 2 bolts per beam. Very similar to this ...
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3 votes
3 answers
847 views

How can I determine if metal parts are stainless steel?

I want to mount a plexiglass logo-plate on my home-office main door, but I had to buy these standoffs. I bought them on Amazon where the claim was they were stainless steel (inoxidizable). I have ...
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1 vote
1 answer
88 views

Basement Steel Stud Framing with 1.5" Float

How does one frame a basement with steel studs where 1.5" of float is required? I reached out to the inspector and he said "...use a bottom slip track deep enough to accommodate 1 ½” of ...
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1 vote
2 answers
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How can I reduce the size of a bore in steel to accommodate screw threads?

I want to somehow get an M5 insert into a 7.5mm diameter hole in solid steel. (The hole has already been drilled with 7.5mm DeWalt cobalt-tipped drill bit.) Is there such a thing as a threaded insert ...
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1 answer
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How to construct a timber and steel staircase?

I need to produce some detailed staircase technical drawings for unit. What’s the best way to attach the tread to the riser (#1/#2/some other way)? Also, how do you attach the oak tread to the steel ...
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0 votes
1 answer
99 views

13ft wide desk/workbench with only one leg

This question is much like: how to "float" a large desk (3000mm x 720mm x 40mm) between walls but somewhat different (mainly, significantly wider). I want to build a desk that is 13ft wide, ...
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0 votes
2 answers
39 views

Rebar cutter and bender's and the relative grade range of steel

I'm comparing two budget rebar bender and cutter products (Crescent or HIT Tools), not sure the grade of steel Crescent is able to handle other than "soft or mild steel", HIT mentions up to ...
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0 votes
2 answers
899 views

Steel H Beam Needed For Outdoor Deck

Question: What size H Beams are needed? Background: I’m building a deck over our walkout basement. The basement is only 7’ tall, so the deck beams need to be as short as possible with the fewest ...
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0 votes
1 answer
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How to repair Garden gate latch 'spring clip'?

Google for "garden gate latch" and you'll see the gate latch we have. It's sold by the hundreds of thousands worldwide under different brands. I bought mine in the UK through B&Q (Blooma ...
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0 votes
3 answers
539 views

Cutting powder coated steel - how do I prevent rust?

We have a series of powder-coated electrical cupboards that need to be cut open to install recessed components. The exact product description can be found on the manufacturer's website. The ...
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0 votes
1 answer
126 views

How to frame bypass doors with metal studs?

I am using metal studs (25ga steel) in my basement for a room. This room will have a closet with two sets of bypass sliding doors. The doors are 30" wide (and fairly heavy) and with a 1" ...
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0 votes
2 answers
232 views

Is a mix of copper and galvanized pipe a problem if dielectric unions are used where they meet?

Over decades, my house has accrued a mix of galvanized, copper, and pex pipe. I've been told that one "should stick to one type of metal in your pipes or use pex." (here) As long as ...
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5 votes
3 answers
696 views

Repair holes in galvanized sheet?

So far, I've only seen other questions around here about galvanized pipe or duct, so here's a new one for you all! I'm trying to patch up holes rusted through a telescope observatory's dome. The ...
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0 votes
1 answer
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How to repair damaged fence to its original strenght

am farming with cattle. Lately my fences were cut by a team doing exploration. The fence consist of 2.24 fully galvanised steel wire, 4 strains of wire. Straining posts are 500m apart with poles ...
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-1 votes
2 answers
533 views

Steel stair stringer size

trying to design a straight stair run using steel tubes as stringers. total run = 10'-0". total rise is 8'-8", width 3'-0". Support is only at each end. yes these are steeper than ...
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1 vote
3 answers
2k views

How can I secure a workout rack to a wooden platform?

I want to secure a "power rack" for weighlifting -- a square cage that supports a barbell so you don't need a spotter for squat and bench press. I'd like to fasten it to a wooden platform. ...
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1 vote
1 answer
274 views

How to fireproof steel beam in existing (45 year old) house

My living room ceilings were a mess, so I ordered new 2.4m x 1.2m panels and tore it the old stuff down a few hours ahead of delivery. What fun! Not fun was finding that the steel beam in the ceiling/...
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-1 votes
1 answer
318 views

Repair or replace a mail slot on an exterior stucco wall

Our home in LA County was built in 1939 with a thru-wall mail box with a chute into our dining room. The mail slot (the opening) and chute (embedded in the wall) are held by pins that broke off ...
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4 votes
5 answers
3k views

Will these DIY steel plates for post to beam connections work as well as the commercially available ones?

My soon to be constructed deck will have beams made from three 2x12s sandwiching ½" plywood, sitting on 6x6 posts. This gives both the beams and the posts a width of 5½ inches. To ensure the ...
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5 votes
2 answers
282 views

Steel Stud Galvanic Isolation

I am building a light-gauge steel frame workshop that is made from 0.55mm cold-formed 90mm x 45mm (2"x4") light-gauge steel studs. The structure is wrapped in 25mm (1") of extruded ...
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1 vote
1 answer
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Slight plumbing leak in 1930s threaded pipes

I have a 1930s-era house with generally galvanized plumbing. The water-in line is a straight vertical pipe, except for this section which is perpendicular (and copper). The loop part is marked "...
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1 vote
1 answer
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Can I use a wood top plate on top of a steel track to build a roof-bearing steel frame?

I am building a room within my garage using double studs, double track, steel framing. The outer dimensions for this room are 23' l x 16' 6" w x 10' h, and will share no common walls or ceiling ...
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