metal-cuttingpowertools
I'm thinking about buying a shipping container to use it for storage/bike shed/workshop. I can get one from a retailer with an extra door, but this would be rather expensive. So now I'm investigating ways to do this myself. The first question is how to get the hole into the container wall.
What are possible tools with their pros and cons and approximate cost that are able to cut through the wall of a shipping container, for long (~2m) straight cuts?
Yeah, that 4" would be a long cut. It could be done in two passes, one from each side. The middle area would have a bit of an overlap and maybe a blade mark, but that could be sanded down. Plus you are probably going to finish it anyways.
What I would recommend though is changing the shape of your transition piece to make it easier to cut, and would also make it more pleasant to walk ok. I posted a similar question regarding a transition from tile to hardwood. Although your question is different, some of the answers there might help you out. For example, take a look at the shape of this transition piece:
In your case, this would be 3 separate cuts instead of one long one. Also the flat top surface will make it more pleasant to walk on vs. the angle (point) you have at the top of your example.
A hacksaw would definitely get the job done. If you're looking for a power-tool version, a Reciprocating saw is the (fun) way to go.
Probably not a good thing to use a jig saw on as usually they are intended for making more precise cuts, hence are slower.
Best Answer
There are many tools for cutting steel. In addition to what you have suggested you could use:
If you are good at following a marked line freehand then you should be able to just cut away and get the result you want. If your cuts tend to drift, you might put together some sort of guide to keep the cuts straight.
(Since you asked...) If I had to choose one, for example if this was my project, I'd probably opt for the plasma cutter route. Plasma cutters cut through sheet steel like a hot knife through butter and leave a very clean edge. The biggest con with them is that it can be tricky to keep a straight line. But a straightedge of some sort will fix that issue easily.