Workpiece Material Conversion Tables
1.6347. 26 NiMoV 14 4. 1.6348. 20 NiMoV 14 5. 1.6511 9840 36 CrNiMo 4 816 M 40. G98400 36 CrNiMo 4 40 NCD 3. 38 NiCrMo. 4 KB. 1.6513. 28 NiCrMo 4 ...
http://www.kennametal.com/images/pdf/products_services/metalworking/Holemaking_Workpiece Material Conversion Tables.pdf
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