Fastest Way to Cut Cast Iron Pipe
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- čas přidán 1. 07. 2024
- Fastest Way Cut Cast Iron Pipe
6-Inch Cast Iron Blade - amzn.to/2KeqRrL
9-Inch Cast Iron Blade - amzn.to/2ISnC6n
12-Inch Cast Iron Blade - amzn.to/2MJS6fO
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There are several ways to cut cast iron drain pipes. In this video, we compare cutting real cast iron with a reciprocating saw and an angle grinder. Both tools are outfitted with specialized blades designed for cutting thick metal.
We will cut cast iron for time with a stopwatch.
Make your gues beforehand on which cutting tool is the best.
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Thank you for this! I was ready for hours of tediously cutting out an old sprinkler system, but I got the blade you recommended and was done in 45 mins! What a difference to other videos with people taking 5-10 minutes on each cut. I thought this was too good to be true, but it worked beautifully.
So glad to hear that the video helped you get our job done faster! Thank you.
Excellent video and exactly what I was looking for - clear, concise and well explained. You've got more guts than me operating that angle grinder with one hand though.
he forgot his sandals
The sawzaw seemed much easier for what I was planning. Gotta love them diablo blades. They all are a beast when it comes to work and is all I keep now. Great video. Thanks for the sharing your knowledge.
Glad you enjoyed the video. Thank you for your appreciation!
Thank you for doing this!!! I had no idea a sawzall could be so efficient on cast iron. You have made my life easier!!!
I didn't know that either... Ran into an issue with a cast iron pipe, decided easiest thing would be to cut it out.... Then said, oh crap... How do you cut through a cast iron pipe?? Lol.. Thanks for the education.
Make sure to use the right blades.
If is a heavy duty cast iron is a b..... to cut it.what he cut is a regular cast iron.
@@nickosmal what?
@@bhadz100 no hub is thinner than hub .
This video is PERFECT!
Just what I needed to know! Blades are ordered, thanks!
That was interesting. Thanks for the different time trials.
Reciprocating saw it is! This just might have saved me from a trip to the ER.
Awesome ! great vid., life is going to be better with our project ( old cast plumbing removed ) Thanks again . . . . :)
Thank you for a straight up video on this subject.
Omg that was quick, that's a heck of a blade... great vid..
I appreciate what you taught me in this video about cutting cast iron pipe. I bought a Diamond Grit 8-in Grit-TPI Wood/Metal Cutting Reciprocating Saw Blade. I needed to make three cuts in a 14 ft long section of 100-year-old cast iron pipe. I made the first cut, and when I was close to the bottom it just snapped and broke in two. What I discovered was that by taking a sledgehammer to the pipe after cutting it a few inches deep, the pipe just shattered. Done. Much easier and continuing to cut with the blade.
Excellent video. Smart man.
Straight explanation, clearly spoken, concise.
Thank you for making this simple and quick example. I will head into the crawl space with my sawzall. Have a nice day.
Thank you my brother for your effort to help us out here in "how do I do this". Mahalo
Thank you!
Thank you! The last time I cut drain pipe, I used a diamond blade that was MUCH more expensive and almost worthless. But this blade went through the pipe like butta.
Perfect, thank you
Man i should of watched your tuto 24 hours before,i went through alot trying cutting the drain cast iron,i burned 9 cutting blades and my lovely angle grinder died on me.Now i learned my lesson, for a happy ending though. Thanks pal!
The reciprocating saw looks like the way to go cutting any steel or even PVC pipe giving you a straight cut with the reciprocating saw because of the flat face alignment on the saw to start you out straight. Great job demonstrating the differences between the 2 saws.👍👍
Awesome video! Thanks for taking the time to film this. You saved me a bunch of time.
Thank you, and you're welcome!
I figured this out the hard way. I had a hacksaw and tried cutting galvanized pipe with it. After an hour, I bought a reciprocating saw. Got it off in a couple minutes!
Scientific approach 👏 👌
Your video was very helpful, thank you.
Excellent video, thank you!
Thanks for the coaching mang and the blades you sacrificed for us.....
thank you for sharing sir
Thank you!
I saw this video off your website, just wanted to come to your page and like this video. Thank you for your knowledge and expertise
Awesome info sir thank you ☺️
Thank you
Perfect video for my shower drain work. Subscribing!
Glad to help! Thank you for the comment.
Having done this job several times, it's best to start the cut with angle grinder, then use recip into the pilot groove
I use both. Sometimes access is the determining factor.
The reciprocating saw can cause some serious rattling and jarring of the pipes. Not a big deal if it’s mostly all going.
But I’ll usually try to do any cuts connected to sections I’m keeping (especially that are going into walls) with the cut off.
Thanks, my blades were not as sharp as yours, but got through it with the reciprocating saw in 4 minutes. Thanks for the tips!
Glad to hear that you were able to get it done!
Cool video ! I am doing a home bath, did subfloor patch and now looking at a nasty 4" cast iron pipe (got the old flange off) - think I might try to grind the lip down some with a angle grinder. I think angle grinder tears through metal quick! But can't get things straight, like your rotate method - imagine if 2nd person was slowly rotating the pipe, that'd be quick.
Clicked the video because your rig in the thumbnail is my exact same day-to-day. Milwaukee super sawzall and a diablo carbide blade. Also, everyone ignores the manufacturer recommendation of using wd-40 on the blade to prevent overheating.
Great video
I'v used the Diablo blade for cutting cast, it's amazingly fast. It lasted for around 12 cuts, probably good for many more cuts but it broke. I'll be buying another tomorrow to make a single cut and then I'm done with the plumbing, yay!
chain tool snap method is fast! If you have the tool available.
Cutting sewer drain pipe 18” below concrete- I would have to dig a lot more around pipe to use my angle grinder as your movements in video show- recip saw clear and quicker winner for me-
Btw, one of the best and concise youtube videos I’ve come across-
Thank you.
Excellent video!! Just what I need. I am planning to cut the basement bathroom branch off the main stack and I was worried that the rep saw would mess the bell and spade connection. I see now that it is hands down the best method. It would be tough maneuvering the circular saw round the pipe. By the way, I hear that it is best to make videos at least 10 minutes to get more ad options. Yours is just a few seconds short.
Thank you for the kind words and the tip!
good job brother. most people will never understand how hard cast is to work with!
great vid. i am cutting a cast iron pipe tomorow and was planning to use my angle grinder but its a 115 m. i never thought of using my reciprocating saw, so i'll be using that now instead. cheers. ps the pipe is being used as a chimney for a pizza oven
Awesome! Don't forget the carbide tipped blade. Cheers!
The blades were the ticket
Diablo blade for the metal pipe.
I raise my 10 pound sledge hammer towards the sky, holding it’s 15 inch long hickory handle in one hand. Down comes the hammer, and the iron shatters like glass. My name is not Giovanni Giorgio, and nobody calls me Giorgio.
can you use a plasma cutter to cut through iron?
One candidate I've never seen anyone try: Mortar blade on a circular saw. I've cut plenty of concrete, but I've never had a reason to try it on cast iron. (I've used a hammer on cast iron, and that works... but apples and oranges.) Old cast iron in particular behaves more like concrete than it does metal (e.g., cracks and throws dust when cutting instead of bending and giving off metal filings).
Alternatively, the chain pipe cutters work well if you have one. I once rented one to cut into a line in a confined space, and that did the job in a few seconds. I could go that route if I had a lot to remove and still needed to retain sections with clean ends to tie into new lines.
How many cuts would you say you can get out of a single charge on the battery on pipe that size?
Almost cut your leg in half too! Had me nervous :-)
What type blade for sawzall
Can you give the link to the reciprocating saw you use. The battery how long it last. How many cuts before you need to recharge the battery. What about the non cordless for Milwaukee can you use the 12 Amp or the 15 Amp is better.
Can you cut new cast iron pipe same time
Good vid thx. Finally a guy who knows what goggles, glasses and ppe are for.
Yeah Sawzall clear and safety waycto go
Have you tried a diamond blade?
I'm planning on doing this under my house so thank you! What blade were you using?
Hi! This is a carbide-tipped blade. Links to the blades used in this video are in the description box. If you are cutting 4-inch cast iron, go with at least a 9-inch blade. The blade used in this video is a 6-inch and as you can see its a little short and bumps the inside of the pipe at times. Thank you for watching.
Corded tools are the best.
I don't cut iron all the time and I don't own a angle grinder. I have a small corded jigsaw and a corded oscillating saw. Which would you recommend to cut a iron weight plate in half?
Consider also than pipes often are close to a wall, and you may consider some other ways to approach this task.
Great suggestion! I may do a video on that in the future.
The purpose of this video was specifically to demonstrate the difference between cutting cast iron pipe with these two specific tools because more people are familiar with and/or have access to these two power tools.
The question of which one of these two tools is best comes up often, so I chose to compare them in this video. The reciprocating saw is the clear winner. I felt that viewers would get the most out of seeing the head-to-head comparison so that they can clearly draw this conclusion for themselves. But I will take a moment to clear the air and clarify below.
PUBLIC SERVICE ANNOUNCEMENT: Cut cast iron with a reciprocating saw, not with an angle grinder. The reciprocating saw cuts faster, easier, creates far less dust and sparks, and is easier to use in tight spaces (like in the dirt).
I would have secured the pipe somehow for the grinder to give it a better chance. Negatives for the grinder are that you can’t get it into a lot of spaces. Such as cast iron in the ground, unless you dig a big spot under the pipe. Sawzall is what I use 99% of the time when I’m cutting cast.
Holy moly, that was bad ass dude, but please be more safe, the wife and I were holding our breath watching some of those cuts, lol!
C clamps or something holding the pipe for you would help a lot
I had to cut cast iron in my crawl space to get it out and tried a sawzall first with a metal blade and it wouldn't hardly cut through the face of the pipe to get started. Ended up having to use an angle grinder. Maybe different type of pipe? It was a good blade
I have been a plumber for 40 years and have never cut through 3" cast iron that fast with a sawzall! Especially when it is in a wall or ceiling!
Sawzaw, winner
Sawzall say less copy! Thank you and yea up here in nyc old homes are all we have
I thought the grinder was going to be faster at first. The sawzall seems more convenient as well. I’m curious if you had a longer blade on the sawzall if it would’ve been even faster.
I think the only way the sawzall would have been faster with a longer blade, is if you used different sections of the blade as you cut. I say this because the length of the blade stroke is determined by how you have the saw set. So if you have the saw set on the maximum stroke length (about 1-1/8 inches), the same amount of blade will make contact with the material you are cutting, regardless of the length of the blade itself. You can only manipulate this by sliding the blade forward or backward along the surface you are cutting, which will allow you to use a fresh section of the blade. Now you noticed that this blade does kick at several points when the end of the blade hits the inside of the pipe. A longer blade would have prevented this. And this did cost some time, so in that respect, we could save some time with a longer blade. Thank you for watching and for commenting.
I recently did a video comparing the reciprocating saw in this video to the most powerful corded version of this saw by the same manufacturer. The results were surprising.
czcams.com/video/IWjp_RiSIEg/video.html
RENOS 4 PROS & JOES You have to cut like you’re cutting a tree with a chainsaw. Keep rocking the blade back and forth, then cut the bottom out so it won’t bind up.
@@5roundsrapid263 I follow what you are saying and that would work with a longer blade. I was explaining above that the blade used in this video is just barely long enough to make this cut because the length of the blade is almost the same as the diameter of the cast iron pipe. So the blade had to be positioned so that when it returned to the shortest point on its stroke, that the end of the blade didn't go inside the pipe and hit the inside wall of the pipe as it traveled back in the other direction.
i found this video interesting!
now! which is the best saw blade to use for this cuts?
Thank you for the positive feedback! I wrote a blog post that includes links to both the 6" and 9" blade:
www.renos4prosandjoes.com/cut-cast-iron-pipe/
Cast iron or galvanized pipe?
Procure a vise! Couple times I thought that grinder was gonna take a leg out
I do need a vise.
How about cutting a cast iron radiator coupling
That's a good idea.
Watching you use that grinder was scary
Exactly! The reciprocating saw is the preferred and more practical choice. The grinder can get you by if there is absolutely no other option.
one hand on a grinder/uneven pressure is a good way to tempt a blade to shatter. google grinder injury photos.
Reciprocating saw is for pansies and demolition. Keep your reciprocating saws for wood.
I didn't know I wanted home improvement with a hiphop beat
It's hard to hear what you said but the music playing in the background.
I need to cut a cast iron drainage pipe in my basement. the pipe is used to drain the washing machine but i want to put a T in it to also hook up a drain into a utility sink. If I cut the pipe with a reciprocating saw, do you think the cut will be too rough to put a pvc collar (and tube) on it?
Yes, you should be able to do it without a problem. Get a good blade and take your time. so that you can make sure that your cut is straight.
RENOS 4 PROS & JOES thanks for the tip. Keep the videos coming!
Grinder = multiple materials with one disk, better for material prep, better for where space is limited and curved cuts or gouging is needed, better for wire cuts, loud and dusty. hearing protection and dust mask advised.
Sawsall = dedicated blades for different materials, blades wear out quicker, requires more space, faster for straight cut offs, quieter , less dust.
A longer reciprocating saw blade probably would have done better but overall great video
U using Diablo
what size was the pipe??
4 inch cast iron
I'll be honest with you that cast iron pipe looks like the little baby sister of the cast iron 4 in pipe in my basement from 1950 I used carbide blade to cut off on my reciprocating saw and it was over an hour and a half trying to get through that 4 in pipe
Ok guys/women, this guy was moving the pipe around, remember this, your not going to move the pipe around to cut it. So the fastest way is actually yes the the sawzall, so I just wanted to say this bc if you're going to show how to cut the pipe then don't move it on video if your trying to make it more realistic, and it takes much longer to cut a pipe with the other saw
I can taste the cast iron dust in my lungs just watching
With proper PPE's a 5" grinder with a thin cutoff wheel is much faster than any any reciprocating saw. For the homeowner a grinder/cutoff wheel is not the way.
Let's just say that the SAW is better in terms of safety and efficiency.
The angle grinder is powerful, but too much danger and requires more grip because of its crazy kickback probabilities.
All in all, For me, even though I love angle grinders, I'd appreciate safety and convenience with using this saw. Angle grinders are great, but they have their own uses that will ,probably, never be done by the saw, so this saw is kind of giving you some safety and preciseness for the work that was done by angle grinders.
I don't think I will have room to go around it with the grinder. I can use my reciprocating saw. Hope I can find the right blades. You could have done it faster with a slightly longer blade.
The reciprocating saw is the way to go in most situations. It makes way less dust and is easier to control. I agree that the 6" blade I used here was a little short. Price was the determining factor on this one.
What about a skill saw? That pipe in the attic won’t spin for me
There's cast iron that cuts pretty easy and then there's cast iron that will eat any metal blade in seconds leaving only rounded and flattened teeth on any metal blade tried. Guess which one is in the video!
If the pipe is close to the wall or ceiling, the angle grinder won't be able to make he entire cut. Sawzall will work every time.
Bandsaw all the way. Quieter, faster, way smarter than this!
I have a black cast iron pipe and have tried metal blade...you are not getting through it.likr that. I've sawed for 2 min and only just broke through surface. Must be a better way.
My issue was the blade. Time to go to lowe's and get better blades for my old cast iron nonsense!
what about 4 inch cast iron from back in the day 70 plus years ago
Thats EXACTLY what this is.
The grinder is dangerous without using 2 hands.. too much kick-back & jumping
I'm a commercial plumber and I'm putting in 6" and 4" cast iron in for storm drains at a school. Normally we use a partner saw with abrasive wheel or chop saw but i want to start using my sawzall.
My experience with cast iron has been demolishing and replacing sections of it. The reciprocating saw could work depending on how perfect your cuts need to be. If the cut ends have to be really precise, I would think the biggest hurdle would be keeping the blade and perfectly straight as you cut. But I'm sure there's a solution for that too. Thank you for the comment.
On the reciprocating saw what type of metal blade did you use to cut cast iron pipe
@@bobbymiller8563 it would probably be best with a diablo diamond tipped or a cast iron blade
@@bobbymiller8563 The link to the blade I used in this video is in the description box just below the video. I used the shorter blade in the video, , but I now prefer the longer 9" blade.
Grinder blade too small for a speedy cut
I tried cutting 4” cast iron pipe …was a bad spot …was like 20m
Dude..! the way you use the grinder is super sketchy.. I've seen those things kick back pretty hard.
was anyone else cringing the entire time he was using the angle grinder with his unbuttoned shirt dangling right next to it? 😬