try AIM surplus. www.aimsurplus.com
And you can use steel all you want. I even use a lot of lacquered steel without problems.
But it's dirty, so you will need to be conscientious about keeping your weapon clean.
Just remember what you learned in basic training.
"Take care of your weapon and your weapon will take care of you."
And I looked, and behold a pale horse: and his name that sat on him was Death, and Hell followed with him. And power was given unto them over the fourth part of the earth, to kill with sword, and with hunger, and with death, and with the beasts of the earth.