SEAWATER-CORROSION RESISTANT AUSTENITIC CAST STAINLESS- STEEL AND PUMP FOR SEAWATER

摘要

PROBLEM TO BE SOLVED: To provide a seawater-corrosion resistant austenitic cast stainless-steel having superior pitting corrosion resistance, a manufacturing method therefor, and a pump for seawater using the steel.;SOLUTION: The austenitic cast stainless steel comprises a δ ferrite phase of 6 vol.% or more, or a cleanliness level of 0.1% or less. The pump for seawater comprises using the material for its casing and/or casing liner.;COPYRIGHT: (C)2002,JPO