POSCO's cryogenic manganese steel earns gov't approval for LNG tank use - Yonhap News
POSCO's cryogenic manganese steel earns gov't approval for LNG tank use Yonhap NewsSEOUL, Aug. 13 (Yonhap) -- South Korea's top steelmaker POSCO said Tuesday its cryogenic high manganese steel (HMS) has earned government approval ...