Questions tagged [steel]

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23 questions with no upvoted or accepted answers
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1answer
145 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 ...
2
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0answers
320 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
122 views

Construct 3-Sheave Pulleys for Hanging Objects from Rafters

I am trying to create a system of 2 3-sheave pulleys (along with terminal pulleys) that can hoist my hanging plants up to my rafters, such as here: I am happy with my general design but what I am ...
1
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0answers
654 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 ...
1
vote
0answers
330 views

What lintel to use above bi-fold doors in man cave?

I'm building a man cave in the corner of my garden, the base is finished already, now I'm planning the build from the ground up The structure will be 2.5 metres high and will have a flat roof (rubber)...
1
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0answers
211 views

Metalwork - Is it possible to achieve a smooth surface (planishing) with just hammers and slappers?

I am making a motorcycle fender. First time working with metal. I understand the principals of planishing but understand that most people achieve the best effect with a pneumatic hammer or English ...
1
vote
1answer
73 views

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 "...
0
votes
1answer
62 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 ...
0
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0answers
44 views

How to reshape square tube after welding a small square bar along one of the sides

I've welded a few 3 m long square tubes out of mild steel angle bars (1.5x1/8) and along one corner side of the tubes welded a 8 mm square bar with one weld along the corner side of the tubes. Now the ...
0
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0answers
64 views

What is this metal bracket called?

I want to connect two parallel, overlapping wooden beams by putting two steel “braces” on each of the ends of the overlapping stretch, so four in total. These braces should look like the one I’ve ...
0
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0answers
36 views

Power drill requirements for steel-reinforced concrete

We have the need for a new power drill (old 25+ year Bosch finally died) and I'm trying to determine the requirements for our situation. We are in a new build (European concrete) property with the ...
0
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0answers
16 views

Treating/restoring steel for/after drilling

Specific example: my bicycle takes an allen wrench (hex key) that has a centre hole in it (for security purposes, a pin in the socket prevents a normal key from being used. So I made a spare by ...
0
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0answers
32 views

What kind of caulk should I use to seal up spalling separating from steel porch ceiling

I'd like to do some temporary quick patches to prevent worsening rust and separation of spalling/stucco ceiling underneath a steel outdoor porch/deck. One on the first floor is kinda bad so will ...
0
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1answer
75 views

Building a metal stud wall on a tilted / unlevel surface? (how to use a level?)

I'm building a wall + door frame for the first time to cover the opening of a box van with the rear door ripped out. The van is not sitting level; the tires have blown out on the right side so it's on ...
0
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0answers
25 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 ...
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0answers
49 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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0answers
248 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 ...
0
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0answers
184 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
2k 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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0answers
35 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. ...
0
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0answers
610 views

Permanent greenhouse structure materials

I'm planning a permanent greenhouse structure that will be attached on one wall to my house. The estimated size will be about 16ft wide, 45ft long, with the lowest wall being approximately 9ft tall ...
0
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1answer
212 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 ...
-1
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1answer
117 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 ...