... -resistant, tungsten-alloyed cold-work tool. 4.ApplicationsFor cutting tools (dies, punchers) for plate, woodworking tools, blanking dies for cutting sheet ... blades, chipping knives, pneumatic chisels, coining tools, cold shear blades, ejectors. 5.Tool steel 1.2250 specification as following : Round ... test 100% crack test,defect depth max.1% of diameter(turned, peeled) or width 100% US test acc. to ...