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Cutting through a cast iron drain pipe.
Blades seem to last about 10 seconds. What’s the best blade in screwfix?
Am I wasting my time, should I just buy an angle grinder?
Starrett lots of teeth per inch
HSS - High Speed Steel, at the very least, but I’m not sure if there’s a specific blade for that material.
More here, a hacksaw is apparently the last resort...
https://homebuilding.thefuntimesguide.com/how_to_cut_cast_iron_pipe/?amp
There is a specialised blade, a tungsten-carbide grit, but it’s £35! https://www.amazon.co.uk/Stanley-15-412-Carbide-Hacksaw-Blade/dp/B000KKWRVU
Probably the whizz-wheel with a cutting disc, as suggested below.
Cheap angle grinder and a cutting disk
Angle grinder, as above...
Is this just for removal or do you need to keep some pipe? If it's scrap, then a heavy lump hammer does a good job.
You've had the answers, angle grinder cuts it easy or a lump hammer will do if it's a demolition job