Steel events :

+ In The Name Of His Highness! : max 8k steel (4 stages with 4 directives each, 500 per directive)

+ Steel Giants : max 6k steel (5 stages, 750-750-1000-1500-2000), doable in Co-op and Operation battles

+ Snowflakes : max 100 steel per tech tree T9/T10 ship, max 200 coal per tech tree T5-T8 ship

tier9..10の数によるけどタイフ０ンまでいけば0からでも艦取れるな