Questions tagged [welding]

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Drill bits for metal work? Why cant I seem to find ones that last?

Looking for some recommendations on drill bits for use with metal. I have a decent Drill Press that has a 500-3100RPM range, I use oil, etc. I’ve been trying to drill 3/8” holes in T-Bar Fence posts/...
scooter133's user avatar
1 vote
4 answers
243 views

How can I provide adequate power to my 120V welder?

I have a 120V welder (Harbor Freight Titanium 125) which has a rated input amps as high as 23.5A. However, it comes with a 15A plug. I have tripped the breaker a few times trying to run it near limits....
Matt's user avatar
  • 11
-1 votes
1 answer
95 views

Wiring 6-50 Welding Outlet [closed]

A couple clarifying questions on my welder outlet install. Prior thread: 240v Welding Outlet Right Near Breaker Box One issue is that since I don't have any real NEC knowledge - it seems that every ...
Matt's user avatar
  • 19
-1 votes
1 answer
35 views

Rust protection on galvanized steel water tank

I got a custom water tank from galvanized steel done in a workshop for my campervan. But its welding points are exposed and probably will rust. It is mainly for kitchen and shower water, not for ...
beydogan's user avatar
0 votes
2 answers
221 views

Can I use epoxy to repair leak in a full oil tank?

I discovered a pinhole leak in my home heating oil tank late last night. I was able to catch the leak before it got too serious, and patched it with JB Weld Tank as a temporary fix. About 1.5 hours ...
BMC's user avatar
  • 1
0 votes
1 answer
91 views

How to polish the narrow side of Stainless Steel gate

Due to welding, the SS gate looks unpolished. The problem is buffing wheel is not reaching the edges. It's too narrow to buff the corners and edges. Likewise I have installed Stainless Steel Hand ...
King's user avatar
  • 117
0 votes
1 answer
74 views

How to fix monolithic polypropylene hinges [closed]

I have several smaller storage boxes from polypropylene, which were casted as monolith, having their hinges made of thin flexible zones of the same material. They break over the time due to material ...
miroxlav's user avatar
  • 147
0 votes
1 answer
126 views

How do I fix a broken scaffolding flip lock?

I have 5'x5' steel scaffolding and two of the flip locks are broken. On one of them, the stub and pin are intact with just the flip part gone, and the other one has the end of the stub broken off. Is ...
user3080392's user avatar
0 votes
1 answer
112 views

Can mild steel square tubing 33x33mm Square with 2mm walls support a desk-top?

Here is the basic idea: An L-shaped computer desk mounted to the wall with no legs. (Screens will be mounted on the wall.) This is the Mounting Bracket: The length of the tube will be 22", ...
Mr.GfCs Welding's user avatar
0 votes
2 answers
87 views

Can I use a 295 amp welder with a 7.5kW generator by changing the welder's plug? [closed]

I have a $295 amp Emerson electric welder and it's got a three-prong on it big three prongs I have a generator it's 7500 series Pacific equipment can I change the welder plug to fit the three prong ...
Michael hughes's user avatar
2 votes
1 answer
455 views

HF flux core welder power requirements?

Item/product: Harbor Freight Titanium Easy-Flux125 welder. Question: Which piece of information to use? Source: Operators manual for specific device. References: Images copied directly from manual, ...
fred_dot_u's user avatar
  • 10.9k
0 votes
0 answers
266 views

What is the column strength of Steel Pipe?

I'm looking to compare how much weight a 4ft heigh column made of 1.5" steel pipe (1.9" OD, sch 40) hold vs a 2" pipe (sch 40, OD 2.375")
Shane's user avatar
  • 1
1 vote
2 answers
4k views

How to braze brass to brass

I'm trying to connect 2 small pieces of brass pipe together (13/32 OD) using MAP gas and I thought I could just use the bronze rods they sell at home Depot but all that did was sit on there and never ...
rasmukri's user avatar
  • 347
0 votes
2 answers
501 views

Is this the correct cable wiring for a dewalt generator and a Lincoln pro-MIG 180?

I have a Lincoln Pro-MIG 180 and a DeWalt DXGNR7000 generator. I have found a cable that is supposed to work. Can someone confirm this is correct wiring? The generator does in fact have an L14-30R ...
Kerry Thomas's user avatar
0 votes
1 answer
35 views

Posts for gates?

How much weight can a 3x3 x1/8 thickness walls hold? It's 4feet deep on concrete and 6feet height makes it a total of 10feet! What it will hold is a 12 feet long gate by 6feet high
Luis's user avatar
  • 1
3 votes
1 answer
2k views

Outdoor 50A welder outlet best practices?

What's the best practice for installing a code-compliant 50A 240VAC welder plug outlet on an exterior wall? I can run 6/3 90°C wire to the location from an appropriate breaker. Where should conduit be ...
Spehro Pefhany's user avatar
-2 votes
3 answers
181 views

I need to be able to run a 220 volt stick welder DC with on least 140 amps from my truck [closed]

I looked up converters that run off 12 volt battery in cars and 24 volt using 2 batteries wired correctly cuz I see they make 24 volt converters. I am sure for past 30 years these are all made in ...
Wes Meyer's user avatar
0 votes
2 answers
210 views

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 ...
Greendrake's user avatar
1 vote
1 answer
953 views

How can I use this welder with 16A/230V two pin plug in the UK?

I bought a Sherman™ DIGITIG 200GD from Amazon a month ago, sadly it came with a European 16A/230V two pin plug. I've been so focused on making sure to meet stringent safety measures for my humble &...
hellen_dorandt89's user avatar
0 votes
1 answer
615 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 ...
Reza's user avatar
  • 571
0 votes
0 answers
1k views

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 ...
agave19's user avatar
1 vote
3 answers
283 views

Brazing rebar not heating enough

I'm attempting to braze together two pieces of rebar. I'm using a Bernzomatic ts8000 torch and MAP-Pro gas, and I just can't seem to get it hot enough (aiming for a red glow). I've had the torch on ...
G__'s user avatar
  • 203
1 vote
1 answer
304 views

Wattage for PPR welding machine?

Looking at some PPR welding machines. The biggest difference I found was the amount of wattage. I’m talking domestic usage (20-32 mm diameters). I see 800 / 1000 / 1500 watts (and more) …. Can ...
Roger's user avatar
  • 113
0 votes
1 answer
890 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 ...
hyankov's user avatar
  • 160
0 votes
2 answers
1k views

Advice on fixing torn metal base connecting to stem of office chair without professional welding

I need advice on fixing torn metal base connecting to stem of office chair without professional welding. The cost of welding is more than the chair. Would J-B weld or other options fix the 'tear' in ...
Tonkadog's user avatar
  • 103
0 votes
2 answers
112 views

How do you avoid turning an oxy-acetylene torch off when doing two handed work?

I'm working on a project that has lots of little pieces to weld together. After each weld, I need to use both hands to setup the next one. I'm using oxy-acetylene and I really dislike setting the ...
Seph Reed's user avatar
  • 293
0 votes
2 answers
566 views

When you cut off the excess wire from MIG torch, do you turn off the welder first?

Just for safety concern, is it a good practice to turn off the welder first before cutting the wire?
James Lin's user avatar
  • 103
3 votes
2 answers
1k views

Can I use "Southwire E51583" AWG 8 wire on 50amp breaker?

This question is two fold: I have a PrimeWeld 225x TIG welder and it calls for a 50amp/220v breaker and NEMA 6-50P. I need to run 60 feet from NEMA 6-50P to breaker box (I have 200amp service). ...
foobash's user avatar
  • 31
1 vote
2 answers
164 views

How do I protect the ground under me while welding?

I am using STICK and MIG welding at the moment. Due to certain circumstances I am only able to do this kind of welding over natural surfaces (read grassland). While there is nothing preventing me from ...
Yanick Salzmann's user avatar
0 votes
1 answer
252 views

How to repair candelabra?

I'm looking for advice on the best way to repair a candelabra made from either wrought iron or mild steel similar to the one in the photo below. It is made up of several parts either welded or ...
user avatar
23 votes
2 answers
7k views

Is this correct? Welder suggests 15A outlet on 20A breaker, or 20A outlet on 30A breaker

I just bought a lower-mid priced 120V/20A welder (Forney Easy Weld 140MP), and the manual details that the welder be plugged into a 20A outlet (with a 30A circuit breaker), or you can use a provided ...
b. insler's user avatar
  • 333
0 votes
1 answer
792 views

How to properly ground when welding

I read several articles online about grounding when welding and I'm more confused than when I started. I have an AC welder (old Lincoln buzz box)...just in case the type matters (AC vs DC). Here are ...
tnknepp's user avatar
  • 1,376
2 votes
3 answers
833 views

How to remedy railing swollen with rust

I noticed that a metal porch railing looks swollen with rust. Do I need to cut that piece out and have someone weld a repair or is it ok to leave as is? Should I put rust stop on it? Since it’s ...
MonkeyBonkey's user avatar
  • 1,199
-1 votes
2 answers
965 views

How to attach valve to fridge compressor copper pipe without torch? [closed]

I'm trying to make a vacuum pump to pump my car's AC system. I have a fridge outside with r600a gas. I am wanting to take out the compressor and use it as a vacuum pump. I don't even know if the ...
Andy S's user avatar
  • 17
1 vote
2 answers
269 views

Which type of welder is the best for pretty delicate welds

I have some experience with Arc welders and a little with MIG. However the rods and metal I have welded with are big compared to the 1/8in metal I will be working with. Getting a cheap MIG welder is ...
user1015711's user avatar
1 vote
2 answers
899 views

Mounting iron gate on crooked posts

I just finished repairing some heavy damage on my steel and cast iron front gate. I'm ready to hang it again but I'm having a little trouble because the pillars on both sides have a slight outward ...
Jason C's user avatar
  • 1,068
3 votes
1 answer
625 views

Wiring AC ARC Welding machine Three Phase

I sold my inverter machine to buy a three phase arc welding machine because I read it's more solid, but I can't figure out how to wire it, the seller is clueless he doesn't know what is the difference ...
David's user avatar
  • 33
1 vote
1 answer
57 views

Handling unavoidable rust (probably?) contamination in arc welds

I've been working on repairing my front gate, which got hit by a car. It's also been a good opportunity to get better at welding (FCAW). I'm having an issue doing some patch repair welds on the 2x2x3/...
Jason C's user avatar
  • 1,068
1 vote
1 answer
2k views

3 prong plug to 4 prong outlet adapter? (Welder outlet)

It seems really easy to find the opposite (how to plug a 4 prong plug into a 3 hole outlet) but I actually need the reverse (I need to plug a 3 prong plug into a 4 hole outlet) and not sure if it even ...
DA01's user avatar
  • 24.3k
1 vote
2 answers
59 views

Cutting and welding a BBQ lid to make it narrower

I have a fairly heavy-gauge park style BBQ made by Pilot Rock. If you needed to reduce the width of this BBQ lid by a couple inches (facing the grill), how and where would you make the cuts and then ...
mr blint's user avatar
  • 1,840
0 votes
2 answers
960 views

Locking a metal gate with a deadbolt

I'm having a metal fence custom-made that will have a regular (pedestrian) gate as well as a double gate for vehicles. I'd like to install deadbolts on both gates for better security than other ...
jrdioko's user avatar
  • 841
0 votes
1 answer
827 views

Mobile welding - need a specific generator?

Do welding units, such as a Multimatic 220 AC/DC (PDF spec sheet), need a specific generator to power it? For example, does that unit require the Miller Bobcat 260 (PDF spec sheet)? Or can cheaper ...
adamaero's user avatar
  • 113
2 votes
2 answers
312 views

Welding electrode diameter suggestion?

I am just starting out welding. The job is to fillet weld 2"x1" 16 gauge (1.2mm) Rectangular Mild Steel Tubing for fabricating a frame. I have a 250 Amp DC welding machine. Can you suggest Electrode ...
afterburner77's user avatar
15 votes
2 answers
3k views

How to polish welding at 90 degree curves?

We have given contract to the local railings constructor and they have put the railing Balusters on the floor along with clips to put glass on. I am satisfied with their work so far, only thing that ...
Prem Ramman's user avatar
10 votes
7 answers
4k views

Steel welding options for a remote property?

I have a remote property where the previous owner welded a steel sliding lock (see pic) onto the metal door of an outbuilding. The part that sticks out (handle) broke off. the nearest/only ...
NormalJoe's user avatar
  • 103
1 vote
1 answer
94 views

Is this product suitable as a solvent cement for abs pipes?

I have this at home: Glue and I need to solvent-weld these abs drain piping: pipe and elbow Can I avoid purchasing solvent cement? Or would that present some problem? Thanks.
anon's user avatar
  • 253
0 votes
1 answer
559 views

Can you run a 240v US split phase welder on 230v UK single phase

I am moving from the US to the UK and would like to know if my welder will work on UK power. The welder is 240V 50/60 hz so that should be fine as I understand it... except, the welder is wired for US ...
JD345's user avatar
  • 9
0 votes
2 answers
83 views

How to support a heavy wooden lid in a copper sink

We have a wood kitchen surface and a pretty large copper sink. The hole is prepared for the sink, which we originally wanted undermounted with a positive reveal. The idea was that the wooden cutout ...
Frank's user avatar
  • 113
1 vote
1 answer
238 views

Welder rewiring

The wires of the incoming cable pulled out of my old oil cooled welder. I need to reconnect the live and neutral but there is no indication on the welder where either should go. Does it matter? I'd ...
David Duncan's user avatar
19 votes
2 answers
10k views

What is this welding tool I found in my attic?

I believe this is used with welders because i found it inside a welding helmet.... Could somebody tell me what this is exactly?
Braden's user avatar
  • 199