sitemap       Home - 4140SteelPlate.com 4140 AN & 4140 PH. Annealed and Prehard. 4140 Steel Plate Inventory to 4.0" thick. 4140 Steel Bar 4140 Steel Bar. Ground Bar. Blanchard Grinding and Surface Grinding services. 4140 Plate in Stock Thicknesses 4140 As Rolled Plate. 4140 HR. 1/2" - 4" in Stock. Available to 14" thick. 4140 PH 4140 HT 28 - 32 Rockwell Scale "C" .  PreHardened tooling plate.       Precision Grinding, Inc.   2101 Wenonah Oxmoor Road   Birmingham, AL 35211 USA  (888) 934-7463