Inquiry (采购产品): Welding 304L ss to 4140 stl I have a 4 1/2" dia 4140 steel rod approx 12" long, and I want to weld a 304L ss flange 8 1/2" outside dia x 4 9/16 dia inside dia x 3/4" thick. Can you do it and also provide me with the preheat temp. post welding heat treatment information, welding rod material etc. I would appreciate price and delivary for quantity of one. Thanks, **** Hidden Message ***** Nirmal Kumar 84115 Company: WesTech Engineering Inc E-mail: nkumar@westech-inc.com **** Hidden Message ***** nkumar@westech-inc.com