There are a few things you should do when you get a new cold saw blade to get the most out life out of it.
The first thing is to make sure you are using good coolant. Coolant is a huge part of the cutting process when using a cold saw. The coolant is not actually what helps the blade or material stay cool when cutting. You could cut without coolant and the material would still be cool to the touch. The coolant is necessary to prolong the life of the blade. It’s a lubricant which is important to help the blade’s teeth last longer between sharpening.
Breaking in the blade
A fresh blade, new or resharpened, needs to be broken in before it is used as normal. If a blade is not broken in, you could risk premature dulling. The way to break in a new cold saw blade is to feed it slowly through the material for the first few cuts. Usually four cuts is good enough. This will extend the life between sharpening.