Wilbert Smith Archives Files Box 1131 19 1131-19-p206

Document Text (OCR)

a ie carrosica cn thw part ws aligit and vale giverei eal 2. oo Ps oe a 3. The hardness ms Nockwell B he Shenteat Aygivesa Carbon 0. Haganese 11.3 Sulphur 0.017 NI — MO — SI 0,12 FE Ferrous 86.403. The chemical analysis does not correspond to any commercial manganese steels as they contain either more carbon and silicon or some nickel and The allow work hardened very heavy during the process of cutting Anherent to such an alloy. The slipped lines were more pronounced once nital reagent was...