Inquiry (采购产品): 4140 i need advice on which alloy to use on my application. i am quoting 3" dia. feed rolls approx. 7' long the ends are turned down for bearings and sprockets occas. the bearing surface has to be welded and turned back to orig. i need mat. that will allow this. **** Hidden Message ***** dave ruch 4323 n. selland fresno, CA 93722 USA Company: d&p machining Title: owner Phone: 559-287-3503 Fax: 559-229-2372 E-mail: dpmachining@sbcglobal.net **** Hidden Message ***** dpmachining@sbcglobal.net