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Forge refractory?

For a forge i am making i used permilite (or w/e it is called used in gardening) and furnace cement for the refractory...how long will it take to cure?

Question by trf    |  last reply


FORGE AND CHAINMAIL

I could use some info on making chainmail. Is there any way make it easier?

Topic by BARBARIANROCKER    |  last reply


Making a Forge

I want to make the inlaid thingies as noted by another instructabler (lol). I need a forge that will melt the metals in this instructable:https://www.instructables.com/id/EAS38HWF4AQNWN4/?ALLSTEPSWhat can I put together on the cheap to produce these results?

Topic by Murdok    |  last reply


Idea for a forge?

I was watching deconstructed and watched the episode on transformers and toasters and i was thinking...can i use a toaster to heat a peice of metal to red hot? The episode says voltage is passed through a high resistance nickel/chome alloy that produes high heat (over 1000 degrees farenheit). Is there a way to hack a toaster to heat a peice of steel or such to a high heat using a toaster?

Question by trf    |  last reply


Grill forge

I have read most of the homemade forge instructables posted here, but I don't think any of them would work for me, because in my fascist city, you are not allowed to burn ANYTHING except for cooking purposes (technically even fire pits are illegal). My idea was to get a cheap grill lid that I can put on my charcoal grill. I would then cut holes in it for air flow (a hairdryer, of course) and an opening. Would this be an effective forge? I need it for detempering, annealing and tempering blades. Also, what fuel would you recommend using (as in, a certain kind of charcoal/wood)? I am making throwing knives and I have every other thing I need. I'll probably make a slideshow when I'm done, as making knives is a pretty well 'ibled subject.

Topic by Wolf Seril    |  last reply


Is this a good design for a forge? Answered

I'm wanting to make a forge, and i have 20 extra bricks, so i was thiknking of making a forge out of brick, following this idea i had in this image. If i made it it would be about 35in by 35in and i havn'e decided on the height. It would use a poured concrete base, I chose brick over making the whole thing out of concrete because i thought it would be stronger. But idk

Question by snowluck2345    |  last reply


Forge using wood?

I'm building a brake drum forge, and coal obviously is the fuel of choice. I understand some guys use lump charcoal which they say works well, because anthracite or bituminous coal is hard to come by in some places-- like where I live. Has anyone used just plain, good old fashioned wood? Or has anyone tried wood pellets? In my area, pellets are 10% of the price of either coal or lump charcoal. I have hundreds of trees on my ranch and I use wood for heating my log cabin. With a good air supply, will Douglas fir, other conifers, or even pellets get hot enough for forging? I'm sure wood was used in bygone times in places where there was no coal, but is it a good forging fuel? Does anyone have experience (good or bad) forging with wood? THANKS!!

Question by HenryFrapp    |  last reply


Forge Welding Idea

So, I have a half formed idea to turn a forge into a welding device, by somehow 'extruding' or directing a flame from the fire, maybe through a tube, to a point, to heat the metal to be welded. Using a water hose analogy, it's like creating a high pressure water hose from a tank or reservoir...or something. Please don't say things like 'just buy a welder"... etc. I'm looking at doing something unique (maybe) and off-grid, that doesn't involve electricity or batteries or propane gas...etc., just pure flame, and available natural resources like air, belows, oxygen...etc. Any thoughts how this might work?

Topic by isaacacheampong    |  last reply


Ventilation In A Small Forge?

Hi all, Im trying to build a small forge in my small tin shed (9'x11') , due to noise and residential location everything must be inside and the sound proofing makes it pretty airtight, therefore I'm relying 110% on good ventilation design to avoid CO poisoning. The coke forge is in and flued using the side sucker design and 12" insulated duct, so far this works well with the addition of incoming air from the rear of the shop and I have been able to use reasonable quality test equipment to measure CO at acceptable levels (only under ideal conditions, further testing to follow). I have also thought of adding a propane forge (only one forge be used at any one time) but worry about the increased levels of CO produced, I have toyed with the idea of a hood which encompasses the mouth of the forge which would be ducted at 45 degrees into the main stack for the other forge (I would like to minimise roof penetrations if possible) I have made a rough sketch (in paint sorry) to demonstrate what I mean, do you think a fanned draught inducer is necessary/useful, we don't use them much in the UK so im not sure how much draught they induce :),  is the flue angle/ bends going to reduce efficiency greatly and would adding a fan to the intake to change to positive pressure internally make that much difference?  Any other ventilation advise would be greatly appreciated, including anything to help understand the maths required to calculate correct air volumes etc, I'm fairly serious about doing this correctly, understand in some detail the dangers of CO exposure and would not concider continuing without thorough testing for safety. Thanks in advance, drawing not even slightly to scale :)

Question by Squibo    |  last reply


Forge Ventilation help?

Hi all, Due to location & noise, in order to continue using my coke forge and anvil I must move indoors, into the shed to be precise. I know it sounds a bit crazy attempting to run a coke forge in quite a confined (10-14 m3), fairly air tight space, but I have researched thoroughly the dangers and safe working levels etc and have the use of a fully calibrated gas analyser designed to measure CO in real time, so safe operation will be measured to the nearest ppm :)  The fans gumf claims 1060 m3/hr which I guess is best case, flat out @ 50hz and obviously does not allow for any other mechanical losses, but even a conservative estimate must give around 45 air changes an hour, which to me sounds like more than adequate clean air coming in to displace combustion gasses. But I guess the first question is will the chimney work as a passive exhaust,  to maintain positive pressure behind the chimney (which will be 12") I will have only a forced air inlet and no other vents other than the chimney itself, trouble is I can see it both working and not working: 1. Inside air will be forced up the chimney as that is the only way out = more ventilation 2.Inside air will cool the air in the chimney reducing the natural draw =  less ventilation And even if the CO issue is overcome will heat just ruin my plans anyway?

Question by Squibo    |  last reply


What kind of forge would you need to forge Damascus?

My current access to a forge, is gas. At I've been told that it isn't hot enough to forge weld metals together. I'm curious what kind of fuel i should be using or alternate methods.  I understand the process to create the damascus alloy, I just don't know the required forging method. I assume coal/coke would be my best bet. Cheers,  Benduy

Question by benduy    |  last reply



Setting up two forges...

Basically I have two ideas, one of which I'm pretty ready to make now and another which will take a little longer to make, one is a tiny forge, like desktop sized, for working at home and the other is a much larger forge for big metalwork projects, thankfully the large one will actually require less parts scavenging as I have plenty of acces to scrap material and there's a brickyard over the wall from us which will do me the necessary materials very cheap, mainly because I did a little forklift driving for them for larger heavyweight loads over three tonnes. That's all well and good a big one I can get my head round easily enough, But. How would I go about making a tiny forge and I mean miniscule, it's main purpose is for heating to cast for my specialist parts I prefer making and the other is for low material single cast jewellry my mum makes (she used to own a jewewllry business and still makes the odd bespoke items. But my main question is how I can build a reliable yet compact forge and furnace, from what I have sitting around I'm sure I can come up with a decent fuel source, ranging from butane torches and stoves, both of which can do propane and I could go to natural gas (we have a special plug out the back for gas barbeques the house had it when we came...) but my other questions are a bit more odd, first of all what would make a great crucible, I need something that'll be fairly invincible to the hardships caused by life, as the other liely user of the forge and furnace is very forgetful and sometimes accident prone. Next up is the housing, would it be feasible to use a single block of thermocrete cast to make the main furnace housing, as in everything is but the fuel and air source holes and the crucible hole would be one block, as it stands that seems like the best way to make it simple and effective, plus it would be pretty airtight where needed. Next question is the fuel and temperatures, I know that butane at full combustion get 1300C and 1000C is a practicable operating temp. for a butane item but what about propane or even natural gas, since it would be very cheap and clean burning... I'm a bit of a noob towards this end of the scale, I can make stuff hot and I can do alot with these things but actual forge and furnace making is a little beyond me on this scale, however I can think of several advantages to my baby furnace, including the practical movement of it, as it could be self contained very easily. The pic was just one of the last pictures that's remotely intersting I uploaded, however it raises it's own points as the jet engine basically welded all it's components forward of the flame together.

Topic by killerjackalope    |  last reply


How can i make a forge.? Answered

How can i make a small forge. Different materials, ideas, or structures. Oh and no gas forges. Well... mabye.

Question by tevers94    |  last reply


Halo Reach forge world Racetracks

So I recently got Halo Reach, and I started messing around with Forge a few weeks back.  After a deleted prototype, I ended up making "Infinite 8", a racetrack map that has nice wide tracks and is shaped like the infinity logo.  It's not quite done (I'm still debating on whether to add grav lift boosters and obstacles) but I have a video of what I have so far on Youtube: If you want, you can post videos of your own forge world maps too! UPDATE:  here is me running a finished version of my course:

Topic by DJ Radio    |  last reply


Help with fire concrete/ forge making Answered

Firstly "Hello all", I am a long time lurker, first time poster. With that out of the way, I am gathering materials to make a small gas forge to cast some bespoke jewelry for my lady wife. I know there are lots of instructables regarding the process, but all seem to contradict each other in some way. I am going to use Fire Concrete as the lining as I got 2 tubs super cheap, and the pot says to increase temperature slowly over 4 hours and fix cracks that appear which is simple enough. Guides that use fire concrete just say "when its ready" then fire up the forge, but I dont know how to get it to the ready stage, do I need to fire it slowly over 4 hours or just cure it over night? And those that use quikrete say to bake the forge for several hours, but as I am using fire concrete do I need to do that or not? From what I have been reading around I cant do too much to mess it up, but I do need help with understanding how to cure the fire concrete Thanks

Question by Pondis    |  last reply


Community for Blacksmithing, Knifemaking, and Metalworking!

Welcome to the community for Blacksmiths, Knifemakers, and Metal workers! This is a topic forum for people interested in the arts of Forging, and working with metal to make beautiful and exiting projects. In this forum people can ask questions, give suggestions and ideas, and even feature some projects that they may have made! Whether it's a question about normalizing a blade, or a suggestion that may get your creativity sparked; this is the place for makers of the art of Blacksmiths, Knifemakers, and Metal workers. Share your questions, thoughts, projects, and ideas now!

Topic by BurlyWoodWorks - Create Something    |  last reply


Problem with heated aluminium.

I make balls of aluminium rings from chainmail technics and in a test phase i filled those balls with kevlar, which is being used by the jugglers round here. So, aim was to make burning juggling balls from chainmail. I used aluminium cos it conducts heat very well, so that ppl hardly would get burned from juggling with these balls. Problem is, that the aluminium became rough and prim and the rings started to split shortly after the ball was being set on fire. I dunno bout forging, but is there a way that i can keep the aluminium rings away from this effect (tempering?)? Is there a way to light up such balls without damaging the rings?

Question by Luziviech    |  last reply


How does one forge a fencing foil? Answered

How could I forge a foil for fencing? What kind of steel would be good for a flexible blade that wouldn't be at risk of snapping and stabbing my fencing buddies? What should I keep in mind for tempering and whatnot to help with that?

Question by udadni    |  last reply


"Castle Cannons" forge world map Machinima

What I've been up to in Halo Reach recently.  Hopefully my machinma skills don't suck even though it's my first time making a video in this format.

Topic by DJ Radio    |  last reply


I want to build a knife without a forge.

I got a skil angle grinder and want to make a bunch of knives, but don't really know how can anyone help me?

Topic by DamascusSword247    |  last reply


Where can you get/make cheap forging tongs? Answered

I'm wondering where you can get or make easy tongs for forging. I do not have an arc welder, plasma torch or set of tongs to forge them with. I'm also only 13.

Question by josh1324    |  last reply



What can i forge out of some railroad spikes? Answered

Got some railroad spikes today and i was wondering what i could forge other than a knife, or at least cool ideas for a knife?

Question by tevers94    |  last reply


How would I go about making a forge from a pressure cooker?

I am interested in making a forge, and I think the pressure cooker would be a good idea. Am I wrong? Any information would be helpful. It is 18 inches across. Thanks EDIT: I am looking for a metalworking forge

Question by randone    |  last reply


What type of steel do i need to get to forge a damascus steel knife ? Answered

I know i need high carbon steel and a nickel alloy steel but what kind is the best to get??

Question by Don,t try this at home    |  last reply


Will limestone bricks explode if I use them in a forge? Answered

I going to make a small charcoal forge this weekend, an was wondering if the limestone bricks I have would be safe to use in the forge? I know that some materials like concrete will explode at high heat, so will limestone do the same thing?

Question by danlab    |  last reply


How to remove surface marks on a newly forged knife?

I just forged a brand new knife (my first time) and i was wondering how to remove small surface marks and imperfections? Ive never worked with metal before.

Question by trf    |  last reply


Induction Heat used to melt glass and other metals

This is the start of an intended discussion about using induction heat to melt glass and other various metal.

Topic by JuxtaposedIToldYouSo    |  last reply


Will calcium silicate building stone work as a foundation for a forge or will they crack with the heat?

I'm looking to build a forge, and I was hoping to use the same bricks that are on the outside of my house. They're Calcium Silicate stones, I don't know if they're meant for fire, because they're primarily decorative on houses these days. Will these crack/ explode in a charcoal fired forge?

Question by Deathcapt    |  last reply


Can anyone do an instructable on how to make an axe from scratch? Thanks

I have been looking around and am unable to find any instructions on how to make axes from scratch (i.e. making the metal part, probably with sand casting or forging and working) I dont mind what sort of axe whether it be full sized two handed, or a small hatchet type. Can anyone do an instructable or give me a link to one that I may have missed? Thanks

Question by br0wneee    |  last reply


Would a reversed tuyere system work? Answered

I was just lying in bed thinking of ways to update my forge and boom it hit me.Instead of having an airblast directed upwards with an ash pit at the bottom of the blast upwards,would it not make more sense to have the blower aiming down at the ground so that ash is sucked out of the forge. The vaccum created in turn would move air from above the forge into it and throwing ashes out the bottom.Would this not work?

Question by trf    |  last reply


A good, never mind, Great way to start metal forging/casting

I am pretty new, wait, very new to this, ok im a straight complete noob and i only know what i have seen (not much, but i do know how to scavenge anything and modd things to make it work...) and i was just wondering what would be the best way to make a medium sized forge and what to use to fuel it.

Topic by FunkNattidelic    |  last reply


What thing is that red dust? Answered

I am seeing this video about forge welding, and it lacks of captions. Then, I can't understand a word of the speech. At minute 2:20 the smith takes a can containing a dark red dust. ¿what is it? THANKS, anglophones!

Question by rimar2000    |  last reply


Is rebar made out of steel, and if so, how is it on carbon?

I'm going to build a forge, and thusly need a scource of steel to work. Rebar would be great, but I don't know what it's made of. Is it steel? If it is, is it a high carbon steel?

Question by Fado Korok    |  last reply


A Good Crucible

Im new to the forge community and i need some advice. I built my first forge useing the charcoal and coffie can method. i melted about 20 or more cans so far and got about 86 grams of aluminum. The crucible i used was a soup that i burned through. I done that twice. While melting I got a lot of slag. Is that normal when melting cans? I also need a good crucible. What can i use for now and where can i get a good one later. I plan to make a propane forge in the near future so a few tips here would be helpfull as well. Any and all advice would be helpfull. Thank you in advance ~Jeht Black~

Topic by Jeht Black    |  last reply


Has anyone seen the ghost of halo reach on local maps?

My brother has seen the ghost of Blackout from halo three on Three different maps on reach levels, Boneyard, A forged level called structure depths, and Zealot. does anyone have an explanation for this, or have info to contribute to an explanation? 

Question by Runeblader97  


can i use hair dryer or toaster nichrome to make a lead forge?

Hello, a brilliant idea(as they often are) crossed my mind this morning which was to build a 3 in one heating machine. 1. a charcoal maker, heats up wood to the point where it converts to charcoal. 2. burner gas generator. the flamable hydrocarbons released from the sun bleached wood (hite and crumbly, i got tonns of it literally, like moled plane wood), to make fire to reuse for a stove or heater, for something i may want to heat at the same time. 3. lead forge , for melting lead to fill my lead electrode molds, so i can electrolyze in sulfuric acid and then sell, or use, as lead dioxide electrodes for chlorate making etc. Now, butane and propane are completely unreasonable sources of heat, and too expensive as well, so i wanted to know, if the nichrome heating element inside a toaster or a hair dryer, could reach temperatures in excess of 330 degrees Celsius? i want to wrap the nichrome wire , around a steel crucible , separated by fiberglass of course to prevent the nichrome actually touchings the steel, so that when i apply power, the wire heats the steel (which will not be exposed to air) with the nichrome, and therefore heats whatever is inside the crucible , however, i want ti to also be able to reach temperatures in excess if 330 degrees Celsius, so that i can also melt lead. is this possible? otherwise, what kind of nichrome can i directly apply to 240v (wall output) assisted by large contacts for obvious reasons to do so. i know for a fact that nichrome drawing 5 watts is capable of melting lead, as i have melted lead before with my battery powers 5 watt soldering iron, which's soldering tip is a hollow piece of metal with nichrome inside. i want to be sure that this machine will work before i go and buy some second hand toaster or hair dryer at the dump shop. so, will it work? Ive seen hair dryer heating element used before to heat sodium hydroxide inside a steel crucible, in a sodium electrolysis cell, and it went over 320 degrees Celsius. i think. but i cant be sure. i still need a second opinion, thanks

Question by oldmanbeefjerky    |  last reply


How can i focus a magnetron beam from a microwave , to make a small metal forge?

hello I have been looking for a number of ways to cast my zinc with, along with just melting other metals namely aluminium. I have come across the microwave method, however i feel that just using a microwave is a wasteful and hazardous means of meting metals like zinc , since the metal vapors are very flammable, even explosive, even as a dust I thought, since the microwave is basically just a box which the magnetron beams microwaves into, why not build a forge, which consist of a crucible laying in the center-point of a magnetron beam. all this would sit outside, done at a distance to avoid exposure to rouge microwaves. I dont wish to introduce anything new into the equation, just use prexisting things form the microwave, and probably some aluminium sheet. Anyone know if it will work better than just using a microwave? and how i should focus the beam? i want to keep the whole thing as compact as possible, probably which the crucible being no further than 10-20cm from the magnetron. Thanks

Question by oldmanbeefjerky    |  last reply


Katana in progress

I'm forging my second sword of the summer this one wont come out as badly as my other one because I'm putting lots more time into it and much better materials. Progress report 1 1. exploded view! 2. different exploded view 3. my custom tsuba 4. custom habaki (that I want to paint gold or put gold over the steel) 5. I don't know the name of this but it holds the handle together 6. the forged end of the tang. 7. view of the back of the handle and blade. 8. frontal view of the blade obviously it's not sharpened...

Topic by the_burrito_master    |  last reply


Where is the center of gravity usually found in a sword? Answered

I'm atempting to construct a sword, and even though its mostly for show, i want to get the weight and balance right.

Question by The Ideanator    |  last reply


Where can you acquire NON-Galvanized steel pipe?

Mt friends have found plans to build a forge, and we have all the parts to build it EXCEPT for non-galvanized steel pipe. Because the pipe will be heated up, we cannot use galvanized steel pipe as the zinc used in the galvanization process produces deadly fumes when heated up. We have checked stores such as Home Depot, and Lowes, but neither one has what we need. Does anyone know where (and if), we can get non-galvanized steel pipe? Any help is appreciated, thanks.

Question by Philisawesome    |  last reply


Curved katana illegal in the UK? Answered

I am a bit confused about this, some websites say that all swords that are curved are illegal in the uk, but other sites say that if they are forged using "traditional methods" (ie. not mass produced) they are legal. is this correct?

Question by Neovenetar    |  last reply


Can you make an anvil by putting an aluminum sheet on top of a piece of hard wood? Answered

Can you make an anvil by putting 1/2 in. aluminum on a large piece of hard wood?

Question by josh1324    |  last reply


Free Earphone Buds

Every lose ear buds (the soft part on them), everyone has now you can get free ones from Acoustic Forge http://acousticforge.com/, you just pay S/H and you get free earbuds, if you want to support the Acoustic Forge product : IronBuds, which are fully-hackable headphones you can make a pledge at kickstarter (link on webpage). For donating they will send you a pair (or more) of headphones and you will be supporting new, modular, headphones, each part of the headphones is separate, so you can customize the  bud, headphone, cables, and much more! If you lose or break a piece rather than buying an entire new set you just have to get a single part of the headphones!

Topic by Algag  


So it's almost the college holidays, and i'm looking for something to do....

So, obviously, i'll have very little to do in the hols, so i've decided that i'll make my new forge (more and wider-spread heat) throw an anvil together, be it a railroad track anvil or whatever, and get busy. I've got a biiig project i'm going to sit on for now (instructable on the way, but there's LOADS more work to do before i'll consider posting.) but after that's done, i'll make something and apply what i've learned to some new stuff I thinks maybe a kerambit, perhaps...and a dagger, some stillettoes....arrowheads.....i'll work something out But what about the opinions of the esteemed community of instructables? think i should do this? maybe i'll get to selling some of these some day, tho i'll need more practice, first, but i think that as a hobby, it makes me happy SHOPPING LIST: Anvil thing Bits for forge Steel (5160's good) Grinding Wheels (starting to wear down a bit now. these wheels've taken everything i can throw at them, but they're shrinking steadily....maybe i might buy me a belt grinder, hey, anyone know what the average price for an average grinder is?) Air Blower That isn't Crap--i axed the last one to hell-- Any ideas? fan in a box, perhaps? both hairdryers i've used were crap. both ended up in pieces. Actually, i like the idea of making a kerambit, seems a nice, sort of challenging thing that'll look good, but, like most of this post, that's a digression. Werl, when i do makes these stuffs, i'll either post an instructable (prob. not for the forge. there;s enough forge instructables) but almost certainly for the rest of the stuff V

Topic by Vendigroth    |  last reply


Can someone give me a picture of a home-cast aluminum ingot and tell me how many pop cans it took to make it?

I am trying to get an Idea of how many pop cans I need for a project and have no perspective of how many it will take.

Question by Flashflint    |  last reply


Ceramic coated stainless steel

Hi all, I just came across this jewellery and the hardware intrigues me. What is involved in this process, and is it something that can be done on a small scale? And is it only appropriate for steel? Cheers! http://www.cha-o-ha.com/collections/frontpage/products/ceramic-coated-forged-d-shackle-dark-earth

Topic by jarris    |  last reply


Is there a colored, yet semi-translucent glaze that can be applied to metal?

I'm making my friend a replica knife from a popular game we both play. In-game, the blade has a reddish tint. Is there a glaze that can be applied to metal that will give it a red tint, yet still be somewhat translucent? Thanks!

Question by Fado Korok    |  last reply


Got An Anvil, W00T!... Now What

I was given a 2ft hunk of I beam for my bday (yesterday). Now what? I've got loads rebar, a nice steel bar pinched from a printer, this slab of steel 6inX1.5inX1/4in, and a big charcoal bbq pit. Any ideas for projects or on firing up the pit to get it hot enough? And how much fuel? Thanks!

Topic by KentsOkay    |  last reply