Inquiry (采购产品): 4130 My name is Charles Weissend. I work for the 109 Maintenance Squadron at Stratton ANGB, Scotia NY. I am trying to find someone that can heat-treat 4130 steel to LAC process 522, 150,000 to 170,000 PSI ULT Tensile? What I have is approximately 12 tubes 56 inches long with a wall thickness of .343. I **** Hidden Message ***** Charles Weissend 12306 Company: 109 Maintenance Squadron E-mail: charles.weissend@nyscot.ang.af.mil **** Hidden Message ***** charles.weissend@nyscot.ang.af.mil