SG11201805206PA - Austenitic heat resistant alloy and method for producing the same - Google Patents

Austenitic heat resistant alloy and method for producing the same

Info

Publication number
SG11201805206PA
SG11201805206PA SG11201805206PA SG11201805206PA SG11201805206PA SG 11201805206P A SG11201805206P A SG 11201805206PA SG 11201805206P A SG11201805206P A SG 11201805206PA SG 11201805206P A SG11201805206P A SG 11201805206PA SG 11201805206P A SG11201805206P A SG 11201805206PA
Authority
SG
Singapore
Prior art keywords
heat resistant
resistant alloy
austenitic heat
producing
less
Prior art date
Application number
SG11201805206PA
Inventor
Norifumi Kochi
Jun Maki
Yoshitaka Nishiyama
Original Assignee
Nippon Steel & Sumitomo Metal Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nippon Steel & Sumitomo Metal Corp filed Critical Nippon Steel & Sumitomo Metal Corp
Publication of SG11201805206PA publication Critical patent/SG11201805206PA/en

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    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/004—Heat treatment of ferrous alloys containing Cr and Ni
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/02—Hardening by precipitation
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D7/00—Modifying the physical properties of iron or steel by deformation
    • C21D7/13—Modifying the physical properties of iron or steel by deformation by hot working
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/10—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of tubular bodies
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C19/00—Alloys based on nickel or cobalt
    • C22C19/03—Alloys based on nickel or cobalt based on nickel
    • C22C19/05—Alloys based on nickel or cobalt based on nickel with chromium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C19/00—Alloys based on nickel or cobalt
    • C22C19/03—Alloys based on nickel or cobalt based on nickel
    • C22C19/05—Alloys based on nickel or cobalt based on nickel with chromium
    • C22C19/051—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W
    • C22C19/055—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W with the maximum Cr content being at least 20% but less than 30%
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C19/00—Alloys based on nickel or cobalt
    • C22C19/03—Alloys based on nickel or cobalt based on nickel
    • C22C19/05—Alloys based on nickel or cobalt based on nickel with chromium
    • C22C19/058—Alloys based on nickel or cobalt based on nickel with chromium without Mo and W
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C30/00—Alloys containing less than 50% by weight of each constituent
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C30/00—Alloys containing less than 50% by weight of each constituent
    • C22C30/02—Alloys containing less than 50% by weight of each constituent containing copper
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/001—Ferrous alloys, e.g. steel alloys containing N
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/54—Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • C22F1/10—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of nickel or cobalt or alloys based thereon
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/001—Austenite

Abstract

AUSTENITIC HEAT RESISTANT ALLOY AND METHOD FOR PRODUCING THE SAME Provided is an austenitic heat resistant alloy having high creep strength and high toughness even in a high temperature environment. This austenitic heat resistant alloy has a chemical composition consisting of: in mass%, C: 0.03 to less than 0.25%, Si: 0.01 to 2.0%, Mn: not more than 2.0%, Cr: 10 to less than 30%, Ni: more than 25 to 45%, Al: more than 2.5 to less than 4.5%, Nb: 0.2 to 3.5%, N: not more than 0.025%, with the balance being Fe and impurities, wherein P and S in the impurities are respectively, P: not more than 0.04% and S: not more than 0.01%. In the structure, a total volume ratio of precipitates having a circle equivalent diameter of not less than 6  m is not more than 5%.
SG11201805206PA 2016-01-05 2017-01-04 Austenitic heat resistant alloy and method for producing the same SG11201805206PA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2016000375 2016-01-05
PCT/JP2017/000056 WO2017119415A1 (en) 2016-01-05 2017-01-04 Austenitic heat-resistant alloy and method for manufacturing same

Publications (1)

Publication Number Publication Date
SG11201805206PA true SG11201805206PA (en) 2018-07-30

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
SG11201805206PA SG11201805206PA (en) 2016-01-05 2017-01-04 Austenitic heat resistant alloy and method for producing the same

Country Status (8)

Country Link
US (1) US20190010565A1 (en)
EP (1) EP3401415A4 (en)
JP (1) JP6493566B2 (en)
KR (1) KR102090201B1 (en)
CN (1) CN108474072A (en)
CA (1) CA3009770A1 (en)
SG (1) SG11201805206PA (en)
WO (1) WO2017119415A1 (en)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111542639A (en) * 2017-12-28 2020-08-14 日本制铁株式会社 Austenitic heat-resistant alloy
KR102352743B1 (en) * 2018-01-10 2022-01-18 닛폰세이테츠 가부시키가이샤 Austenitic heat-resistant alloy and manufacturing method thereof
CN111566257B (en) * 2018-01-10 2023-05-30 日本制铁株式会社 Austenitic heat-resistant alloy, method for producing same, and austenitic heat-resistant alloy material
JP6609727B1 (en) * 2018-03-28 2019-11-20 日鉄ステンレス株式会社 Alloy plate and manufacturing method thereof
WO2020067444A1 (en) * 2018-09-27 2020-04-02 日本製鉄株式会社 Austenitic alloy
JP7131318B2 (en) * 2018-11-14 2022-09-06 日本製鉄株式会社 austenitic stainless steel
JP7205277B2 (en) * 2019-02-14 2023-01-17 日本製鉄株式会社 Heat-resistant alloy and its manufacturing method
CN109898028B (en) * 2019-03-15 2021-09-28 山西太钢不锈钢股份有限公司 High-temperature oxidation resistant austenitic heat-resistant stainless steel and preparation method and application thereof
CN110079737B (en) * 2019-05-27 2021-04-27 山西太钢不锈钢股份有限公司 Twin crystal strengthened aluminum-containing austenitic heat-resistant stainless steel and preparation method and application thereof
WO2021039266A1 (en) * 2019-08-29 2021-03-04 日本製鉄株式会社 Austenitic heat-resistant steel
CN110551932A (en) * 2019-09-23 2019-12-10 广东鑫发精密金属科技有限公司 304 thin strip stainless steel battery heating piece and preparation method thereof
CN110484841B (en) * 2019-09-29 2020-09-29 北京钢研高纳科技股份有限公司 Heat treatment method of GH4780 alloy forging
WO2021153657A1 (en) * 2020-01-31 2021-08-05 日本製鉄株式会社 Antioxidant for use in heating of alloy material, and method for heating alloy material using same
JP2021127517A (en) * 2020-02-14 2021-09-02 日本製鉄株式会社 Austenitic stainless steel material
CN111455161B (en) * 2020-04-08 2021-11-16 山西太钢不锈钢股份有限公司 Method for regulating and controlling structure performance of austenitic heat-resistant stainless steel seamless tube
JPWO2022123812A1 (en) * 2020-12-10 2022-06-16
CN115141984B (en) * 2021-11-23 2023-02-24 燕山大学 High-entropy austenitic stainless steel and preparation method thereof
CN114032440A (en) * 2021-11-23 2022-02-11 北京科技大学 Laves phase strengthened austenitic heat-resistant steel and preparation method thereof
CN115011879B (en) * 2022-06-23 2024-02-06 西北工业大学 Austenitic heat-resistant steel and heat treatment method thereof
CN115233107A (en) * 2022-07-28 2022-10-25 中国核动力研究设计院 Al-containing austenitic stainless steel for supercritical fluid gas-cooled reactor cladding and preparation method thereof
CN115233105B (en) * 2022-07-28 2023-03-28 中国核动力研究设计院 Austenitic stainless steel alloy for supercritical gas-cooled reactor fuel cladding and preparation method thereof
CN115505820B (en) * 2022-09-15 2024-01-05 山西太钢不锈钢股份有限公司 Continuous casting method of niobium-containing high-nitrogen nickel-based alloy
CN115772635A (en) * 2022-11-23 2023-03-10 江苏新华合金有限公司 Cr25Ni20Si2 heat-resistant steel bar and manufacturing method thereof
CN116288029B (en) * 2023-01-06 2023-09-05 清华大学 Light ultra-high strength austenitic stainless steel and preparation method thereof

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Also Published As

Publication number Publication date
US20190010565A1 (en) 2019-01-10
WO2017119415A1 (en) 2017-07-13
CA3009770A1 (en) 2017-07-13
CN108474072A (en) 2018-08-31
EP3401415A4 (en) 2019-08-07
JPWO2017119415A1 (en) 2018-09-27
JP6493566B2 (en) 2019-04-03
EP3401415A1 (en) 2018-11-14
KR102090201B1 (en) 2020-04-23
KR20180095640A (en) 2018-08-27

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