11. The ship's armor was constructed with nickel steel . 12. Also the metal lamps made out of chromium-nickel steel , which reflect the interior of the caf? were restored. 13. A three year delay ensued, while the shipyard waited for nickel steel plates for " Maine " s armor. 14. The Mark 8 was similar to the Mark 6 Mod 1 but was constructed entirely out of nickel steel . 15. Both were fitted with Worthington-pattern feedwater heaters, power reverse, unflanged main drivers, and both used nickel steel boiler shells. 16. The ship used compound armor for all armored vertical surfaces except for the gun turrets which were made from nickel steel . 17. In contrast to the Hadfield steel used in the British Brodie helmet, the Germans used a harder martensitic silicon / nickel steel . 18. On the first two ships the deck armor consisted of mild steel; in " Pobeda " it was a chrome-nickel steel alloy. 19. The boiler was designed for a maximum working pressure of and the boiler barrel plates and firebox outer shell were of nickel steel . 20. The nickel steel armor deck was thick over the lower casemate, but thick forward and aft of the main armor belt to the bow and stern.
