Inquiry (采购产品): tool steel samples I need samples of following tool steel for educational teaching and testing purpose. Cold work - ASTM A 686 - W1 Rhock resisting- ASTM A 681 - O1 Mold steel A681 - P20 Specify sample sizes available **** Hidden Message ***** Dr. George Pillainayagam 44035 Company: Lorain county comm . college E-mail: gpillain@lorainccc.edu **** Hidden Message ***** gpillain@lorainccc.edu
