The BEST Way to Cut Cast Iron Pipe? 

Ryobi 18v saw with good blades is completely capable of this work. I've used it many times. Angle grinder as well. No issue. Weekend warriors will have no problem with using either

That's cute. Now do it upside, underneath a sink while trying to keep the pipe from moving around with one hand and cut with the other

I was cutting up some old pipes similar to what you cut in the video just recently. Friggin pipes were nearly as long as the barn they were next to. get some good 14 tpi blades and get it done good video

Woow this literally video for me! I have old, cracked cast 4" cast iron running by the wall with access only from the front. I will start with the grinder and finish with the saw.

I cut a 4 inch cast iron pipe at my daughter house with a saber saw. No problem. I tried cutting a 4 inch cast iron pipe at my house which was thinner. I went through 4 blades. Dableo blades for cast iron 100 x. cut about 1 inch all 4 blades were worn smooth. Had to use an angle grinder witch meant I had to dig out a lot more dirt.

The drawback to the reciprocating saw is that the vibration and possible jerking back and forth it can create a new problem at the next joint.

Can you test some hand hacksaws on the iron pipe ? Would be great to see if those do the job as well

The best way is to start with a grinder then use sawsall to finish

Doesn't have to be an expensive saw. Cut around 10 cuts though a 4 inch cast iron pipe to remove it with a 3 year old Ryobi Recip that I got in one of those combo packs. Get a good blade though

If you use Lennox CT laser carbide teeth thick metal blades, you can use any recip saw, I use my m12 fuel hackzall to cut brand new 4 inch cast iron pipe all the time

Great, thank you.

As a master plumber speaking, you can ditch the grinder, just use the reciprocating saw. A corded sawzall (I use Milwaukee), is always preferred. Rare do I use a snapper.

My chicago electric recip has lasted me way longer than the sawzall as a journeymen plumber

I appreciate the video but I have cut steel truck frames with a Ryobi Sawzall is it the best no but most people doing DIY projects can't afford 400 or $500 tools and buying 10 to $15 blades just to try them out though. something to think about

I'm also impressed, I tried a couple of those diamond blades and had terrible results.

I built a whole chopper bike frame with a ryobi HP Brushless saw and a welder , but i run makita on my other power tools lol this guy is a asian noob

Wait, Is that blade in backwards? You can see the tab with the hole in the video just before he starts the cutting? On purpose?

I just did this today to replace some old clogged up CI pipe. My Ryobi reciprocating saw worked just fine. Just an FYI. Don't go out spending a bunch of money if you already have a Ryobi. Thank you for the video. Ryobi makes good products.

I just removed my old cast iron pipes from my house. Tried both tools and found the grinder to be much faster. And I was using a Black & Decker grinder, worked wonderfully. Let's stop the cost justification nonsense. The consensus seems to be cheaper tools work just as well. They just won't work well for as long.

You put tge blade in backwards.. is there a reason why?? 😮

deep throat portable bandsaw by milwaukee. No contest.

Thanks for the tip on the blade, I bought two to cut a 4" sewer pipe, I used a cordless Ryobi P519VN reciprocating saw with a 4AH battery, it completed the job with plenty of battery left. I was working in a tight area and the Ryobi was a lot easier than trying to use my old Makita wired saw.

I need to cut a black gas pipe 90 elbow to replace with a tee to extend for a gas supply in the garage it’s 3/4” fitting

Ryobi will work just fine .

Lmao are you trying to gain a sales man job for Milwaukee brand?? The brand of saw don't matter its preference... Milwaukee blades are junk in my opinion. Lennox I was told are top of the line.

Which would you recommend for cutting a small steel wrench?

Can I cut a basketball hoop post with a recip saw? What blade would I need?

You don't have to have a high quality, expensive sawzall. I got mine from Walmart and I've cut through mobile home frames with it.

i never seen a blade that can be attached to sawzall on both ends

Milwaukee blades suck!

What is with the Ryobi hate?

At 1:36 it sounded like you said, "And the cut is pretty smooth which means you can attach a 'fur in co or no hubfitting'" .... what is that last part of your sentence? I ask because I am wondering what is the best thing to attach to the cast iron pipe, once cut, to transition to PVC. Thanks the video and for any additional clarification. Cancel that. You said it later in the video "nohub coupling or furnco fitting" .... Do you have a proven and recommended supplier/coupling type that you could link in the product description? Thanks!

I've heard that if you want to get a straight, square cut on the pipe, you can put a stainless pipe clamps where you want to cut and that can help guide you so it's straight.

Pipe Cracker is the fastest way and easiest.

Sm I high asf or did he put that blade on backwards

Use a angle grinder first. When getting close to back of pipe, switch to saw with a shorter blade

Wait wait wait…..did I miss something ? The guy put the saw blade in BACKWARDS ???

Thanks for the 'flip the blade' tip. How'd I not think of that?

No. U can use snap cutters just have to score the pipe (with the cutters) will clean an score pipe and give a square cut.. but whatever you like to use I guess..

lol@ "DIY tools like Ryobi" doesn't realize RYOBI and Milwaukee are both made in the same Chinese factory using the same parts, tsk tsk

Cast iron chain snaps work unless the cast is rotting. Lennox laser blades at 10-12 tpi will perform the best as long as the speed is kept low. Keep the cut cool and it will go quickly

spectacular upload RiceFlavoredGum. I crushed that thumbs up on your video. Keep up the superb work.

Neither Bandsaw

can I use my hackzall? Thanks for the video. Sometimes I use snap cutters and I want to use something to make the cut more straight and my site wont let me use a grinder

I have no power. Will a cordless work

The blade inserted wrong??

I have to cut a cast iron wood stove ...since I only have to do straight cuts, would I be better off with a grinder? (regardless of the fire hazard)

Would the reciprocating saw with a diamond blade cut through 1mm-thick spring steel plate?

Want multipurpose blade.? -> Grinder Want less dust and lower noise? -> Sawsall

how about Oscillating Multi Tool

Why does this new generation of plumbers refuse to use snap cutters?

Spoil pipe cutter!

Do you like those diamond wheels? Have you ever gone through one?

6in cut off wheel with a regular blade is the best. Steel blades are slow.

I just cut three 4" and four cast iron pipes with a roybi 18+ and 4ah battery. The dewalt blades i bought were trash. I own over 50 ryobi tools. My theory was buy cheaper tools and if one breaks you can always upgrade. For 15 years ive been using 18v+ and have not had any complaints. I am semipro and flip about 1 house a year. I also own an 80 acre farm and use my tools on all the equipment.

Thanks for sharing bud I just subbed for support

is it just me or did you put that blade in backwards???

Did you put the sawsaw blade backwards?

What if the pipe is galvanized steel, installed vertical (part of a fence), and I want to shorten it, leaving a new square-cut end. I'm supposed to hold up a reciprocating saw at head level (painful) and somehow steer it straight (impossible). Whether I use a reciprocating saw or a portable bandsaw, I need something to hold it up and guide it straight. Is there some kind of clamp? To cut steel pipe, need a "heavy duty pipe cutter" (with the right kind of cutter(s)). Where space is limited, need a "4-wheel heavy duty pipe cutter" so 120° is enough swing. The chain type pipe cutter might work for steel pipe too - it has multiple wheels, so it only needs a small swing to cut all the way around.

Thanks

How do you run a blade backwards? It could not have locked in the Chuck. Unless there is some secret new " Sawzall " out there

Ryobi would have done it in 30secs

for 1 min buying 100 blades 🤣

Why did you put the blade in backward? Better yet how did you put the blade in backwards?

Why did you put the blade in backwards?

Ever heard of a bandsaw

What about a bansaw?

Why was the sawzall blade backwards

Nice, straightforward, video. Thanks for the demo.

How to order machine cut cast iron

How long does a blade last??

RiceGum

Did you just cut that pipe with the blade on backwards?

Great video

Milwaukee fan boy 😄

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.

Very helpful friend, thank you

Neither, snap cutters

Use a band saw

great deal with the sawsaw! 😁 what about a cold chop saw? 🤔

thanks!

Cool video. Thanks for sharing.

Diablo blades are better

It would be nice if angle grinders have an option of smaller cutting wheels that can fit in tight spaces.

Ryobi works fine

u re using the wrong grinder bade...try regular masonry or "aggressive metal"next time....

Not sure what makes you think that Ryobi cant make that cut

Good point about the access issue.... I never would have thought about that...

Cast should be snapped - doing it like this is only going to cause more problems on that line..

Yeah lets just buy all kinds of blades $$$$$$$