| 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 aδferrite 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.
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