My welding skills are pretty rough. But the steels that you are going to readily find are all low carbon and going to weld pretty well. Just that cold rolled steel is going to have a lot of surface stresses and will warp more when welding (and costs more).
Mild steel just means its low carbon, low alloy. CRS or HRS only indicates how it was finished. But if you ask for hot rolled steel and specify nothing else, you will get something around 1020 steel, which is mild steel, and will weld about as good as anything you can find.
You can weld HRS to CRS.
Mild steel just means its low carbon, low alloy. CRS or HRS only indicates how it was finished. But if you ask for hot rolled steel and specify nothing else, you will get something around 1020 steel, which is mild steel, and will weld about as good as anything you can find.
You can weld HRS to CRS.