摘要 |
<p>The precipitation hardened martensitic stainless steel contains, in percent by weight, 12.25 to 14.25% Cr, 7.5 to 8.5% Ni, 1.0 to 2.5% Mo, 0.05% or less C, 0.2% or less Si, 0.4% or less Mn, 0.03% or less P, 0.005% or less S, 0.008% or less N, 0.90 to 2.25% Al, the balance substantially being Fe, and the total content of Cr and Mo being 14.25 to 16.75%. A turbine moving blade and a steam turbine are manufactured by using this martensitic stainless steel.</p> |
申请人 |
MITSUBISHI HEAVY INDUSTRIES, LTD. |
发明人 |
HIRAKAWA, YUICHI;KADOYA, YOSHIKUNI;OOYAMA, HIROHARU;FURUKAWA, TATSUYA;TOCHITANI, NAOTO |