According to an article published in Steel Guru, POSCO has announced that they will actively target the super alloy stainless steel market to make sulfur scrubbers ahead of next year, when tighter sulfur oxide emissions guidelines on ships come into effect.
High Steel Alloy for Mass Scrubber Production- Through extensive research and development, POSCO has succeeded in mass-producing S31254, a high-alloy stainless steel developed for use in seawater.
- The steel contains high levels of molybdenum...
http://mfame.guru/poscos-super-alloy-steel-for-scrubbers-mass-production/