I may be in wrong place for this, but it's knife stuff - a friend has got old cross cut saw blades from which he's making knives. I'm doing this on sly a work and don't have my steel charts here with me. Does anyone know what kind of steel was typically used for those blades saws? L2 or L6 or something like rings a bell. It's clearly going to be carbon steel. What's in it? How tough is it? Would it make a good knife blade. Thanks.