Inquiry (采购产品): nitrocarburizing I`m a firearms mfg. located in R.I. I was interested in having some of my gun parts nitrocarburized. The parts are made out of 4140. Would this be something you can do? **** Hidden Message ***** David Santurri RI 02861 USA Company: Santurri Tool Co. E-mail: santool@cox.net **** Hidden Message ***** santool@cox.net