公开(公告)号：US20130108426A1

公开(公告)日：2013-05-02

申请号：US13286373

申请日：2011-11-01

申请人： Shouxing Zhu ,  Li Xu ,  Balasubramani Nandagopal

发明人： Shouxing Zhu ,  Li Xu ,  Balasubramani Nandagopal

IPC分类号： F01D25/24 ,  C22C38/48 ,  C22C38/54 ,  C22C38/58 ,  C22C38/44

CPC分类号： C22C38/58

摘要： Various embodiments of the invention provide a low nickel austenitic stainless steel alloy composition including about 0.6% to about 0.8% by weight carbon; about 16% to about 18% by weight chromium; about 4.5% to about 5.5% by weight nickel; about 2.0% to about 5.0% by weight manganese; about 0.8% to about 1.2% by weight tungsten; about 0.8% to about 1.2% by weight molybdenum; about 0.65% to about 0.85% by weight niobium; about 0.3% to about 1.0% by weight silicon; balance iron and unavoidable impurities, wherein percentages are based on the overall weight of the composition. The invention further provides articles, such as turbine housings, prepared using the inventive alloys.

摘要翻译： 本发明的各种实施方案提供了一种低镍奥氏体不锈钢合金组合物，其包含约0.6重量％至约0.8重量％的碳; 约16重量％至约18重量％的铬; 约4.5％至约5.5％重量的镍; 约2.0％至约5.0％重量的锰; 约0.8％至约1.2％重量的钨; 约0.8重量％至约1.2重量％的钼; 约0.65重量％至约0.85重量％的铌; 约0.3％至约1.0％重量的硅; 平衡铁和不可避免的杂质，其中百分数是基于组合物的总重量。 本发明还提供了使用本发明合金制备的制品，例如涡轮机壳体。

公开(公告)号：US09028745B2

公开(公告)日：2015-05-12

申请号：US13286373

申请日：2011-11-01

申请人： Shouxing Zhu ,  Li Xu ,  Balasubramani Nandagopal

发明人： Shouxing Zhu ,  Li Xu ,  Balasubramani Nandagopal

IPC分类号： C22C38/58 ,  C22C38/38 ,  C22C38/48 ,  C22C38/44

CPC分类号： C22C38/58

摘要： Various embodiments of the invention provide a low nickel austenitic stainless steel alloy composition including about 0.6% to about 0.8% by weight carbon; about 16% to about 18% by weight chromium; about 4.5% to about 5.5% by weight nickel; about 2.0% to about 5.0% by weight manganese; about 0.8% to about 1.2% by weight tungsten; about 0.8% to about 1.2% by weight molybdenum; about 0.65% to about 0.85% by weight niobium; about 0.3% to about 1.0% by weight silicon; balance iron and unavoidable impurities, wherein percentages are based on the overall weight of the composition. The invention further provides articles, such as turbine housings, prepared using the inventive alloys.

摘要翻译： 本发明的各种实施方案提供了一种低镍奥氏体不锈钢合金组合物，其包含约0.6重量％至约0.8重量％的碳; 约16重量％至约18重量％的铬; 约4.5％至约5.5％重量的镍; 约2.0％至约5.0％重量的锰; 约0.8％至约1.2％重量的钨; 约0.8重量％至约1.2重量％的钼; 约0.65重量％至约0.85重量％的铌; 约0.3％至约1.0％重量的硅; 平衡铁和不可避免的杂质，其中百分数是基于组合物的总重量。 本发明还提供了使用本发明合金制备的制品，例如涡轮机壳体。