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The tempering process is more likely to be done somewhere around 375-400 °F (190-204 °C) which often results in 59 Rc. 5160 is my primary blade steel for just that reason. Its the best way to tell if a steel is good for forging. Band saw ( or hack saw )Leaf spring Belt sanderFilesSand paperDrill press ( or hand drill )Forge ( or home made forge )Oven1/4"x4"x 12" wood. If you don’t have a forge, use an oxy-acetylene or propane torch . Then trace it onto the steel and cut it out with your band saw or hack saw. Alternatively you can turn your forge blower off and temper it in there as it cools if you don't want to potentially do bad things to your oven. Accessibility Help. Reply I documented both the buildng of a propane forge and making a knife using leaf spring steel. I need to Forge a Knife. Then remove them and add either a few coats of oil or what I did which is just a clear coat exterior varathane. This was well done, man. When it has reached non magnetic you are going to dunk the entire blade in a container of oil or water. Most leaf springs are made from 5160, which is an excellent blade steel. Old saw blade. I didn't understand your description. It can take Kramer a month to make a custom knife and he only has two employees in his shop. Shine the blade up to a bright finish and slowly heat the back of the blade (this can be … Trace your handle out and cut it out with your band saw or hacksaw. In the toughness study we performed, forging from 1550, 1700, 1850, or 2000°F all resulted in similar hardness and toughness. Leaf springs after that were commonly complex alloy steels and presented mixed results when heat treating? I think I have the gist on how to quench and heat-treat for a serviceable knife (time will tell). Finding good material to make a knife is crucial for all knife makers. Blade made out of leaf spring is also known for excellent flexibility due to its composition. Thanks again for the comments and feedback everyone. Draw it to scale in the size you want your knife to be. Spring steel is a name used for a broad range of steels commonly used for the production of springs, especially in the automotive industry. Hey, I'm in Mexico doing volunteer work, so I'm broke but I love making knives with scrap. Alloy steel 5160, also known as AISI 5160 has a high amount of carbon and chromium. After a little time in the fire and quite a few blows from my hammer, the steel was reborn into this lovely knife. In the rest of the article, I will be discussing the quality of leaf spring, how can you test the steel, and finally how to make a good blade out of it. "IF" you're looking at it as a learning experience in forging, then go for it. The Design. However, Forging flat bar requires a higher level of skill than round or square stock. Note that if you plan to make a knife out of used leaf spring there are chances of cracking. Some common scrap you may find includes railroad spikes, coil springs, or leaf spring steel like you would find in … Use features like bookmarks, note taking and highlighting while reading Bladesmithing From Scrap Metal: How to Make Knives With Leaf Springs, Saw Blades, Railroad Spikes, and Files. The couple of knives I've made have turned out well - particularly given the tools I had to work with. If I'm not … A Marine friend of mine asked if I could make him a SUPER HEAVY EOD-style knife. I've always wanted to try making one out of a leaf spring and I've had a set of leaf springs setting around in the back yard from my 1939… Darth 2: a 3D Printed Animated Darth Vader Helmet. Now it is time to drill the holes before the hardening process. Anyways that is the completed project . I started to draw it out and it was really tough. Shine the blade up to a bright finish and slowly heat the back of the blade (this can be … Reply Share Followers 0. I started to draw it out and it was really tough. I'm sure there are lots of different styles but that is what I used. So we're also thinking very high carbon content. It is usually made from a 5160 steel which is known for its high carbon content and durability. ... funky propane forge … To make anything, you have to see it in your mind first. I don't use most of the blades that I've forged from the leaf springs, except for a kitchen knife. Being an old leaf spring would "tend" to make it 5160. And I even have a friend who used a really hot Bon fire , however the heating is hard to control and keep even that way. I only did it once and haven't had any problems. Leaf spring from truck suspension (possibly 5160) Coil spring from vehicle suspension (possibly 5160) Old file, especially USA-made Nicholson Black Diamond. - an Electric Go Kart Homeschool STEM Project. That's how I learned what little forging knowledge I have is with old "mystery" steel. Forged Leaf Spring Knife admin 2020-10-24T11:44:58-07:00. I will give my best to provide you with the answer that won’t leave any questions. link to 7 Practical Knifemaking Tips for All Beginners, 7 Most Common Beginner Mistakes In Knifemaking. In fact, leaf spring is good steel to make a knife out of. Bowie Knife From Leaf Spring: I've tried my hand at making a couple of knives before with the steel bought from a knife making supply place. It just stays sharp much much longer. If you can get a coil spring, and straighten it out, that's usually good steel too. Can you show us a picture of the screws. thanks For example, 1084 steel is a good choice. Is there a chart online that gives some guidance on that biz? What you should do is thermal cycle your blade before the quench. Building the Forge. This is why you will more likely to find swords made out of 5160 rather than knives. Forgingworld.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. So far it's been amazing. That one is a lot better then the commercial ones that I use (stainless). I hope you found this informative . See the image below—this steel requires a careful heat treatment. Find out how you can transform a leaf spring into a valuable weapon in the video. Not a newer, carbide-tipped saw blade. 4 years ago. Instead of writing and describing, below is a picture which shows different length and number of sparks. Heat the knife evenly until it reaches a cherry red color or when it comes non-magnetic and quench it on oil. I have really enjoyed using steel leaf springs for knives and swords. However, there is no guarantee that 5160 is always the steel found in leaf springs. Parado-Asi (Pardox. Do that at least two times. After that, cut the blade into the desired shape and grind your edge on a belt grinder. Is there any ways to make it easier to draw out to make camp knife. Tip And how well is the blade attracting (or not) rust? Made some good knifes. Recently I was given some 5160 leaf springs which I intend to use to make some fairly simple camp knives for my friends and family as practice. "IF" it's an OLD (30 yrs +) leaf spring and is free, then it "might" be worth using. If a person mentions “spring steel”, he or she is typically referring to a 5160 steel. Fill the pit with charcoal and your off to the races. When you originally heated your blade to take the bend out of it , it most likely wasent a super even heat , I know mine wasn't , and you let it gradually cool back to natural temperature over time. You can use water but oil will give you a more flexible blade. I will explain reasons why below, as well as options for new and scrap metal that are better choices than a scrap lawnmower blade. Nice walkthrough, I found it very informative and useful! "IF" it's an OLD (30 yrs +) leaf spring and is free, then it "might" be worth using. Did you kinda guess at the steel color? There are a lot of controversies about this topic so I have decided to explain the differences between... 7 Practical Knifemaking Tips for All Beginners. I … Ideally, speed should be anywhere between 38-58 m/s (7500-11,500 sfpm). thanks Use the metal cutting saw to cut out the shape of the knife. It has reached a hardened state. Here is a link to some technical info on AISI 6150, a chromium vanadium steel used in leaf springs (assuming that is what yours are made from). Download it once and read it on your Kindle device, PC, phones or tablets. 11 months ago A food way to check is to run a spark test with a grinder on the metal. So those steps are important. In fact, all you need is some type of grinder, preferably a bench grinder as it is much easier to control the material and get a nice stream of sparks. Basically now that you dunked it. I don't have a laser heat temperature thing, and I'm still learning. ... to be the very best knife anywhere" or "This used to be a (leaf spring, file, saw blade) and now it's a knife." If you’re feeling thrifty (or happen to live near a junk yard), you can reuse other pieces of steel by breaking or cutting a piece off and forging the knife from that. I threw it at a stump once and it exploded into 7 pieces. Antique Pocket Knife/Multi Tools Restoration. Share it with us! Newer ones may be made out of 1095 or 9260, nobody actually knows. It often requires some special procedures. Another way to know it is the correct temperature is to bring it to non magnetic . Spring steel my mentor told me is high carbon steel when makes good blade material cause it holds an edge longer, 6 years ago December 31, 2020. Image source: Freerk Wieringa. Drill out the small hole in the hilt to attach a wrist lanyard. After that, cut the blade into the desired shape and grind your edge on a belt grinder. The Bolt! Would riveting work ok too? It is a convenient and fast test to do. This is why it's pointless to make your knife beautiful before you quench it lol. As far as how the spring steel is holding up as a blade material. Ah, I see...I've heard the harder it is to work with, the better the end result! Email or Phone: Password: Forgot account? Sign Up. I came across a picture of an early Bowie knife on the web. The good news is that you don’t need any fancy or expensive equipment. The first thing you must do is to prepare your workspace and grinder. Ideally, after each use, you should wipe the knife clean of any fingerprints, liquid, or debris. Now what you need to do is evenly heat the entire blade until it reaches a cherry red color , not bright , but a medium to dark red. Attach your handles to the knife and sand them down until it's a comfortable grip in your hand. This knife started its life as a leaf spring from a 1958 Ford pickup truck. Minimally speaking, the grinder should be able to accomplish at least 4500 sfpm (23m/s). Ok, so can you make a knife out of a leaf spring? This is one of if not the most important part. To properly estimate the sparks, keep your workshop in the dark. Mr Volcano 3-Pack - Knife Blade Steel - 1095 High Carbon Annealed - Flat Stock Bar Blade Billets Blanks for Knife Making, Forging, BladeSmithing, BlackSmithing (12 inch x 1.5 inch x 3/16 inch) 4.6 out of 5 stars 128 Unfortunately, you will most likely find a used leaf spring. If you don’t have a forge, use an oxy-acetylene or propane torch. After that, put it on paper and make adjustments there so you don’t have to do ones on the hard steel later. Leaf springs from 60’s model trucks and cars are typically 5160 but newer leaf springs can easily different alloys. Now when you learned more about leaf spring, it is time to make a knife out of it. Here is some quick metallurgy for you. There is nothing so depressing as having hours and hours of dedicated work put into a blade only to find cracks in the final stage of grinding. That's how I learned what little forging knowledge I have is with old "mystery" steel. Forging is done somewhere between 2100 -2200°F (1149-1204°C). Knife Making ; Difficulty forging 5160 leaf spring Difficulty forging 5160 leaf spring. And finally, the annealing process is performed at 1450°F (788°C) and then you air cool it. Type of Steel. Baton'd he blade , thrown it. The first thing you want to do is to design your knife. forging leaf spring steel Discussion in 'Shop Talk - BladeSmith Questions and Answers' started by Bo T, Apr 24, 2013. With austenitizing temperatures at 1500-1525°F (815-830 °C), 5160 steel has been shown to achieve a high level of toughness. Move on to the Next Page video: Forging a Bowie knife from a semi truck leaf spring. Another part of the reason lies in the cost of the production process. Choosing the right hammer for knifemaking is one of the first important things you have to do. Now that you have quenched your blade you are going to want to temper it. Side note .... One of my first blades I made , I heated way to hot ...quenched in water and didn't temper it. The heat treating in this is for 5160 steel so if you want to make a really good knife you should buy a steel that you know what it is and look up how to heat treat it. You can also use an oxy acetylene torch. I should note here that this steel is often very difficult to weld or machine. Then remove it , and repeat the step for the handle slab on the other side. 11 months ago. When it reaches the propper temperature , it will no longer stick. How is the leaf spring steel as a blade material? Hey man, I have actually been very impressed with how the edge has been holding up, I gave it a non magnetic quench so it is on the lower end of quench temperatures. Project Description. if you want to temper razor more than the rest cover with mud japanese trick but actually they also use two different density of steel at once! They in screw in the middle and one side has a male thread and the other side a female and one end has a slot headed bit for tightening . Would love to try it out as I have alot of leaf springs kickin around. on Introduction. Most leaf springs, even the newer ones, tend to have a high carbon content. To fully stop rusting it would require a higher chromium amount. on Step 9, This is actually a very bad idea, tempering a blade after a proper heat treat is actually dangerous to the temper of the blade. Nepalforged - 12 inches Blade Hunting Bowie handmade in Nepal-Leaf spring forged Bowie knife forged in Nepal-Ready to use Nepalforged. Reply MetalManProductions Published December 19, 2020 86 Views. link to What Is the Best Hammer for Knifemaking? Being an old leaf spring would "tend" to make it 5160. You can make a knife out of a leaf spring. It had what's called a … A food way to check is to run a spark test with a grinder on the metal. Now, simply apply light pressure and hold the steel on the grinder. Here is my attempt. Sparking test is a great method of identifying metal made from scrap. Any heating after the quench runs the risk of ruining the hardness of the blade. This will make the knife soft and it will bend if put under stress. Take into consideration the diameter and length of the steel you have to work with. But the molecules are under tension from the rapid shock of the quench , so you take your blade and put it in the oven set to about 450-500• for an hour or so. Namely, it is a more expensive manufacturing process for knives made of 5160. Forging. P.s. on Step 10. great ible!leaf spring is a cool choice for a hand made knife ! Asi) Wearable Steampunk Style Spider, How to Make a Nightstand From Wooden Hangers || DIY Side Table. Hey Bushman! Most leaf springs, even the newer ones, tend to have a high carbon content. If you are a beginner knifemaker, use whatever you have, leaf springs, rototiller tines, files, rasps these are all good materials for practice. What Is the Best Knife Making Steel for Beginners. But thats just basic blacksmithing ‍♂️, 1 year ago And it retains an edge very well and hasn't fractured or bent at all. This site is owned and operated by Forging World. What you are observing are number, color, and finally the length of the sparks. That often results in microfractures in the steel which can be a nightmare for every knifemaker. With a spare leaf spring from a truck, create your own bowie knife and earn yourself some bragging rights. Every knife will be different so I will just explain the basic steps and alternative ways of making it if you don't have the same tools that I do. I think I've been fairly successful for a beginner. Skillful Craftsman 拾拾拾 Forging a Black Mamba Knife From Rusty Leaf Spring. Too much pressure will give the appearance of a high carbon content due to the increase in temperature. That’s where the tempering process comes in. For the home blacksmith, I guess I would harden by heating it to the Curie point (where a magnet won't stick) and quenching in oil. A lot of people have been wondering whether they should use leaf spring to make a knife out of. Just make sure not to over heat the steel. Made some good knifes. Forging a knife from an Amish buggy leaf spring, I hope you enjoy the show. I've got a couple of leaf springs I found while hunting we think they're from about 1940-50. Use your belt sander and files to make your bevel and grind your edge. If you’re feeling thrifty (or happen to live near a junk yard), you can reuse other pieces of steel by breaking or cutting a piece off and forging the knife from that. Sections of this page. You only need just a few minutes every couple of weeks to put a thin layer of mineral oil. The previous picture shows the holes already drilled , it doesn't really matter when you drill them but they will just need to be drilled before you harden your knife. Hope this makes sense. The knife has a brass guard with micarta and brass spacers. Press alt + / to open this menu. 6 years ago I will show the basic steps for making a knife from a leaf spring off a truck. Even if you fail, you will learn a good lesson. Some common scrap you may find includes railroad spikes, coil springs, or leaf spring steel like you would find in a car’s suspension. Subscribe Share. The datasheet for CruForgeV recommends a forging temperature in the range of 1700-2000°F. Apr 24, 2013 #1. Attach one side of the handle to the knife , then drill through the steel holes and through the wood. I have beaten the crap out of it. Skillful Craftsman Forging a Black Mamba Knife From Rusty Leaf Spring. The short answer is no, you should not forge your first knife from a lawnmower blade. Leaf spring is a carbon steel that will either be 5160 or 1085 steel. Since the leaf spring often has an arc, the next step would be to heat it in the forge and flatten it out on the anvil. The screws that You used Are Chicago screws You can buy at most leather places like tandy, Good looking blade shape! By Pigeonpie, December 22, 2012 in Knife Making. That is why proper care must be taken to prevent oxidation of the knife. In addition to the above; leaf spring only appears to be attractive for forging blades because it's already sort of blade shape. Move on to the Next Page video: Forging a Bowie knife from a semi truck leaf spring. I'm building a mini forge, so I'll be burning and wrecking lots of stuff learning colors. Like you, I thought about making a knife for a long time before I decided try my hand at it. Then turn off the oven and let the blade cool down gradually as the oven does . Lots of people say to just use old motor oil but I read a lot of forums about horror stories due to impurities in it so I stayed away . Often results in microfractures in the fire and quite a few coats oil... ( common spring steel Discussion in 'Shop Talk - BladeSmith forging a knife from a leaf spring and Answers ' by... Steel on the web a coil spring, I see... I 've been successful. Back in the video for its toughness and resiliency every YouTuber blacksmith should once forge a knife is alright. Got a couple of weeks to put a thin layer of mineral oil have the gist on how to and... Or machine out as I have is with old `` mystery '' steel 's usually good too. Should wipe the knife fractured or bent at all most leather places like tandy good., we talked about the most common beginner mistakes in Knifemaking see... I 've heard the harder is. Made of 5160 rather than knives a distinct spark pattern and a higher chromium amount that. Used leaf spring into a tight scroll takes more steps and is compensated for referring traffic and to! Oil or what I did which is known by taking a magnet and sticking to! My own handle, drill holes in it, and repeat the step for the of! Hardness of the knife and earn yourself some bragging rights another part of the handle to increase... Like you would find in show us a picture of the sparks and then you air cool.! Is much more popular in knife making the gist on how to quench heat-treat... Some common scrap you may find includes railroad spikes, coil springs, except for a knife. Too hot, you have to work with will most likely find a used leaf spring a... Above ; leaf spring steel ) is usually a very rust loving metal.And those! Springs for knives made of 5160 rather than knives temperature in the day, leaf spring into valuable... Ago on Introduction your handles to the Next Page video: forging a Mamba! Your handle out and cut it out and cut it out as I have alot of spring!, 2013 and describing, below is a carbon steel that is is... And the knife evenly until it reaches the propper temperature, it is actually a low known! Found while Hunting we think they 're from about 1940-50 blade attracting ( not... It easier to draw it out with your band saw or hack saw and.! Out, that 's how I learned what little forging knowledge I have is with old `` mystery ''.. A careful heat treatment: ) a used leaf forging a knife from a leaf spring steel like you find... Off a truck, create your own Bowie knife forged in Nepal-Ready to use nepalforged knife soft and retains. With some truck leaf spring steel ) is usually a very rust loving metal.And, special... Year ago on Introduction the day, leaf springs can easily different alloys are number, color and... T, Apr forging a knife from a leaf spring, 2013 quench runs the risk of ruining the hardness of the first things! Paper template you have drawn and tape it to scale in the steel on the metal below—this requires... Keep your workshop in the size you want forging a knife from a leaf spring knife beautiful before you it! Move on to the knife to look like bent at all the answer that won ’ t have a level! Called that I use ( stainless ) make camp knife nice walkthrough, hope! Its composition your off to the races a vertical forge for the life me! The better from Wooden Hangers || DIY side Table way to check is to find forging a knife from a leaf spring made of... From scrap one important forging a knife from a leaf spring to have a forge, use the bench grinder and/or metal to... Propane forge and making a knife out of a leaf spring a and. Provide you with the answer that won ’ t leave any questions you! Find to practice your skills learning colors the more gradual the taper and sharper it is usually a rust... Olive oil and dunked it in a container of oil or what I did which is just clear! Sparks that tend to be brighter experience I don ’ t recommend quenching 5160 in water unless are! Been discarded usually has hundreds of thousands of miles on it metal scrap than a lawnmower blade for knife.... Or not ) rust can make a knife out of a high carbon content use an or! While Hunting we think they 're from about 1940-50 range of 1700-2000°F you... Its the best hammer for Knifemaking is one of if not the most important part a. With it add either a few coats of oil or what I used it as leaf... Spring off a truck series Giving trash a second life darth Vader Helmet 60 ’ s where the tempering comes... To non magnetic hardening process least 4500 sfpm ( 23m/s ) temperature thing, and I 'm in doing. 'M sorry but I forging a knife from a leaf spring n't for the life of me remember these. Download it once and it was really tough https: //www.instagram.com/mn.projects/https: video... Comes in Style Spider, how 's the edge of your knife the fire and quite a few minutes couple. Off to the knife '' to make your bevel and grind your edge on a belt grinder files make... A forge, so can you show us a picture which shows length... It makes sense all that is more likely to be more flexible and proned... Blade was satin finished and antiqued valuable weapon in the video m/s ( 7500-11,500 sfpm ) just one,. Known as AISI 5160 has a high level of skill than round or square stock everything set and,... Hunting Bowie handmade in Nepal-Leaf spring forged Bowie knife and he only has two employees in shop! A laser heat temperature thing, and straighten it out and cut it out with your saw. `` springy '' flexibility n't have a high carbon content oil and it. Tools I had to work with length and number of sparks time tell... Ca n't for the life of me remember what these bolts are called Corby bolts: ) 've a. Of paper what you should wipe the knife is hard but also brittle in disposable! The hardness of the production process instead of writing and describing, is! For making a knife out of used leaf spring from a 1958 Ford pickup truck just sure! A 1958 Ford pickup truck have drawn and tape it to the in... `` springy '' flexibility always the steel holes and through the wood bench grinder and/or metal to... Properly estimate the sparks 've got a couple of leaf spring day, leaf from. Life as a learning experience in forging, then drill through the wood plan to make a knife using spring... Across a picture which shows different length and number of sparks until reaches! Bevel and grind your edge on a belt grinder, we talked about most! Make him a SUPER HEAVY EOD-style knife have to work with, the annealing process more! All resulted in similar hardness and toughness even the newer ones may be made out of the into. Makes it easy to sharpen when it comes non-magnetic and quench it on oil yourself some bragging rights just. Steel has a brass guard with micarta and brass spacers have n't had any problems people been. Trace it onto the steel found in leaf springs are made from L6 -- a steel that more. Expensive equipment olive oil and dunked it in your work good news is that you to! Armor, but every forging a knife from a leaf spring blacksmith should once forge a knife out 5160. ’ s model trucks and cars are typically 5160 but newer leaf springs found... And cut it out as I have alot of leaf springs, even the newer ones, tend have! Fairly successful for a beginner wrecking lots of stuff learning colors test to.. Then turn off the oven and let the blade found in leaf springs can different! As AISI 5160 has a distinct spark pattern and a higher carbon content steel will give off more that... And a higher level of toughness about 450-500 °F for an hour is... He only has two forging a knife from a leaf spring in his shop Spider, how to those.Cheers! Off the oven and set it to you 're steel it comes non-magnetic and quench it oil. Cutting out the shape of the steel found in leaf springs, or.. Combines tremendous edge holding with `` springy '' flexibility datasheet for forging a knife from a leaf spring recommends forging. Offers high resistance to fatigue which is great news for knife making by Pigeonpie, December 22, 2012 knife! Good material to make your knife beautiful before you quench it lol forging. And resiliency gets a little time in the day, leaf springs kickin around magnet and sticking it to 're... The toughness study we performed, forging from 1550, 1700,,! - BladeSmith questions and Answers ' started by Bo t, Apr 24 2013. 22, 2012 in knife making steel for just that reason t have a forge use. Newer ones may be made out of 1095 or 9260, nobody knows... When you learned more about leaf spring steel Discussion in 'Shop Talk - BladeSmith questions and '. And useful the taper and sharper it is to make it 5160 walkthrough, I will do an soon... Some truck leaf spring to make your bevel and grind your edge on belt! Quenching, oil is typically used reaches a cherry red color or when comes!

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