MY185571A - Heat-resistant alloy, and reaction tube - Google Patents

Heat-resistant alloy, and reaction tube

Info

Publication number
MY185571A
MY185571A MYPI2019003119A MYPI2019003119A MY185571A MY 185571 A MY185571 A MY 185571A MY PI2019003119 A MYPI2019003119 A MY PI2019003119A MY PI2019003119 A MYPI2019003119 A MY PI2019003119A MY 185571 A MY185571 A MY 185571A
Authority
MY
Malaysia
Prior art keywords
heat
resistant alloy
reaction tube
less
present
Prior art date
Application number
MYPI2019003119A
Inventor
Kunihide Hashimoto
Yohei ENJO
Original Assignee
Kubota Kk
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
Priority claimed from JP2018082803A external-priority patent/JP6422608B1/en
Application filed by Kubota Kk filed Critical Kubota Kk
Publication of MY185571A publication Critical patent/MY185571A/en

Links

Classifications

    • 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
    • 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
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • 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
    • C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese

Abstract

The present invention provides a heat-resistant alloy and a reaction tube having excellent oxidation resistance, excellent mechanical properties such as tensile ductility, and weldability. A heat-resistant alloy of the present invention comprises, in terms of % by mass, C: 0.35% to 0.7%, Si: more than 0% and 1.5% or less, Mn: more than 0% and 2.0% or less, Cr: 22.0% to 40.0%, Ni: 25.0% to 48.3%, Al: 1.5% to 4.5%, Ti: 0.01% to 0.6%, and the balance being Fe and inevitable impurities, wherein when Pa= -11.1 + 28.1 x C + 29.2 x Si - 0.25 x Ni - 45.6 x Ti, and Ya= -13.75 x Al+ 63.75, Pa< Ya.
MYPI2019003119A 2017-11-06 2018-10-30 Heat-resistant alloy, and reaction tube MY185571A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2017213608 2017-11-06
JP2018082803A JP6422608B1 (en) 2017-11-06 2018-04-24 Heat-resistant alloy and reaction tube
JP2018194816A JP6934462B2 (en) 2017-11-06 2018-10-16 Heat resistant alloy and reaction tube
PCT/JP2018/040264 WO2019088075A1 (en) 2017-11-06 2018-10-30 Heat-resistant alloy, and reaction tube

Publications (1)

Publication Number Publication Date
MY185571A true MY185571A (en) 2021-05-21

Family

ID=66331859

Family Applications (1)

Application Number Title Priority Date Filing Date
MYPI2019003119A MY185571A (en) 2017-11-06 2018-10-30 Heat-resistant alloy, and reaction tube

Country Status (4)

Country Link
CN (1) CN117626130A (en)
MY (1) MY185571A (en)
SA (1) SA519402053B1 (en)
WO (1) WO2019088075A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6339284B1 (en) * 2017-11-06 2018-06-06 株式会社クボタ Steel products used in contact with steel

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5093817A (en) * 1973-12-25 1975-07-26
JPS5178612A (en) 1974-12-29 1976-07-08 Fujitsu Ltd DENWAKO KANSHISUTEMU
JPS5940219B2 (en) 1980-08-19 1984-09-28 新日本製鐵株式会社 Austenitic oxidation-resistant and heat-resistant casting alloy that forms an Al↓2O↓3 film on the surface.
JPH09243284A (en) * 1996-03-12 1997-09-19 Kubota Corp Heat exchanging pipe with internal surface projection
JP6068158B2 (en) * 2012-03-30 2017-01-25 株式会社クボタ Cast products having an alumina barrier layer
JP6571937B2 (en) * 2015-01-21 2019-09-04 株式会社クボタ Heat-resistant pipe welded structure

Also Published As

Publication number Publication date
CN117626130A (en) 2024-03-01
WO2019088075A1 (en) 2019-05-09
SA519402053B1 (en) 2022-06-22

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