公开(公告)号：US20240043974A1

公开(公告)日：2024-02-08

申请号：US18266422

申请日：2021-12-09

Applicant: SANYO SPECIAL STEEL CO., LTD.

Inventor： Toru Hagiya ,  Tetsuzi Kuse ,  Hiroki Ikeda ,  Yasumasa Mutou

IPC: C22C38/46 ,  C22C38/44 ,  C22C38/06 ,  C22C38/02 ,  C22C38/04 ,  C22C33/02 ,  B33Y70/00

CPC classification number: C22C38/46 ,  C22C38/44 ,  C22C38/06 ,  C22C38/02 ,  C22C38/04 ,  C22C33/02 ,  B33Y70/00 ,  B33Y80/00

Abstract: Provided is a shaped article which can satisfy both high heat conducting properties and hardness (quenching and tempering hardness, and hardness after retention at a high temperature and softening). The shaped article produced from an Fe-based alloy powder, the Fe-based alloy powder consisting of, in mass %: 0.20 50.0; (3) PC

公开(公告)号：US20240026508A1

公开(公告)日：2024-01-25

申请号：US18266394

申请日：2021-12-09

Applicant: Sanyo Special Steel Co., Ltd.

Inventor： Toru Hagiya ,  Tetsuzi Kuse ,  Hiroki Ikeda ,  Yasumasa Mutou

IPC: C22C38/46 ,  C22C38/44 ,  C22C38/06 ,  C22C38/04 ,  C22C38/02 ,  B22F1/05 ,  B22F9/08 ,  B33Y70/00

CPC classification number: C22C38/46 ,  C22C38/44 ,  C22C38/06 ,  C22C38/04 ,  C22C38/02 ,  B22F1/05 ,  B22F9/08 ,  B33Y70/00 ,  B22F2999/00 ,  B22F2304/10 ,  B22F2201/11 ,  B22F2998/10

Abstract: Provided is a steel powder for a hot work tool, suitable for additive manufacturing. A stacked shaped article produced by the powder can satisfy both high heat conducting properties and hardness. An Fe-based alloy powder consisting of, in mass %, 0.40 21.7 (1); K2>29.0 (2), and wherein the Fe-based alloy powder has an average particle size D50 of 200 μm or less.

公开(公告)号：US20160333450A1

公开(公告)日：2016-11-17

申请号：US15112569

申请日：2015-03-13

Applicant: Sanyo Special Steel Co., Ltd.

Inventor： Hiroki Ikeda ,  Yuichi Nagatomi

IPC: C22C38/58 ,  C22C38/50 ,  C22C38/48 ,  C22C38/00 ,  C22C38/42 ,  C22C38/06 ,  C22C38/04 ,  C22C38/02 ,  B22F1/00 ,  C22C38/44

CPC classification number: C22C38/58 ,  B22F1/0003 ,  B22F3/16 ,  B22F2003/248 ,  B22F2301/35 ,  B22F2998/00 ,  B29C67/00 ,  B33Y70/00 ,  C21D2211/008 ,  C22C33/02 ,  C22C33/0285 ,  C22C38/001 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/42 ,  C22C38/44 ,  C22C38/48 ,  C22C38/50 ,  Y02P10/295 ,  B22F3/1055 ,  B22F3/225

Abstract: There is provided a precipitation hardening stainless steel powder including, in percentage by mass: Si: ≦1.0%; Mn: ≦1.8%; Ni: 3.0 to 8.5%; Cr: 12.0 to 20.0%; Mo: 0.1 to 2.5%; Cu: 1.0 to 5.0% and/or Ti+Al: 1.0 to 5.0%; Nb+Ta≧5C or Nb≧5C; N≦350 ppm; and the balance being Fe and incidental impurities. A sintered compact fabricated from the steel powder has a martensite content of 90% or more. The precipitation hardening stainless steel powder provides a sintered compact that exhibits high strength after aging.

Abstract translation: 提供了一种沉淀硬化不锈钢粉末，其质量百分比：Si：≤1.0％; Mn：≤1.8％ Ni：3.0〜8.5％ Cr：12.0〜20.0％ Mo：0.1〜2.5％ Cu：1.0〜5.0％和/或Ti + Al：1.0〜5.0％ Nb +Ta≥C5或Nb≥C5; N≤350ppm; 余量为Fe和杂质。 由钢粉制成的烧结体的马氏体含量为90％以上。 沉淀硬化不锈钢粉末提供了老化后显示出高强度的烧结体。

公开(公告)号：US10011894B2

公开(公告)日：2018-07-03

申请号：US15112569

申请日：2015-03-13

Applicant: Sanyo Special Steel Co., Ltd.

Inventor： Hiroki Ikeda ,  Yuichi Nagatomi

IPC: B22F1/00 ,  B22F3/105 ,  B22F3/16 ,  B29C67/00 ,  B33Y70/00 ,  C22C38/00 ,  C22C38/04 ,  C22C38/50 ,  C22C33/02 ,  C22C38/58 ,  C22C38/48 ,  C22C38/42 ,  C22C38/44 ,  C22C38/02 ,  C22C38/06 ,  B22F3/24

CPC classification number: C22C38/58 ,  B22F1/0003 ,  B22F3/16 ,  B22F2003/248 ,  B22F2301/35 ,  B22F2998/00 ,  B29C67/00 ,  B33Y70/00 ,  C21D2211/008 ,  C22C33/02 ,  C22C33/0285 ,  C22C38/001 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/42 ,  C22C38/44 ,  C22C38/48 ,  C22C38/50 ,  Y02P10/295 ,  B22F3/1055 ,  B22F3/225

Abstract: There is provided a precipitation hardening stainless steel powder including, in percentage by mass: Si: ≤1.0%; Mn: ≤1.8%; Ni: 3.0 to 8.5%; Cr: 12.0 to 20.0%; Mo: 0.1 to 2.5%; Cu: 1.0 to 5.0% and/or Ti+Al: 1.0 to 5.0%; Nb+Ta≥5C or Nb≥5C; N≤350 ppm; and the balance being Fe and incidental impurities. A sintered compact fabricated from the steel powder has a martensite content of 90% or more. The precipitation hardening stainless steel powder provides a sintered compact that exhibits high strength after aging.

公开(公告)号：US20250018467A1

公开(公告)日：2025-01-16

申请号：US18715352

申请日：2022-11-30

Applicant: Sanyo Special Steel Co., Ltd.

Inventor： Toru Hagiya ,  Hiroki Ikeda ,  Yoshikazu Aikawa ,  Hiroki Moriguchi

IPC: B22F1/16 ,  B22F1/05 ,  B22F1/065 ,  B33Y70/10 ,  C22C19/05 ,  C22C38/02 ,  C22C38/04 ,  C22C38/48

Abstract: A powder for additive manufacturing excellent in high-temperature strength, and an additively manufactured article excellent in high-temperature strength produced using the powder for additive manufacturing are provide. An alloy powder material for additive manufacturing, including an alloy powder; and oxide nanoparticles that have not been subjected to surface treatment with an organic substance, wherein the oxide nanoparticles are attached to surfaces of alloy particles constituting the alloy powder, is provided. An additively manufactured article produced using the alloy powder material for additive manufacturing is also provided.