JPS5572796A - Structure of heating pipe with expanded pipe - Google Patents

Structure of heating pipe with expanded pipe

Info

Publication number
JPS5572796A
JPS5572796A JP14602678A JP14602678A JPS5572796A JP S5572796 A JPS5572796 A JP S5572796A JP 14602678 A JP14602678 A JP 14602678A JP 14602678 A JP14602678 A JP 14602678A JP S5572796 A JPS5572796 A JP S5572796A
Authority
JP
Japan
Prior art keywords
pipe
expanded
resistance
heating pipe
stainless steel
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
JP14602678A
Other languages
Japanese (ja)
Inventor
Kyoichi Murakami
Wataru Kawahara
Masakazu Ikeuchi
Kazuo Nonaka
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Power Ltd
Original Assignee
Babcock Hitachi 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
Application filed by Babcock Hitachi KK filed Critical Babcock Hitachi KK
Priority to JP14602678A priority Critical patent/JPS5572796A/en
Publication of JPS5572796A publication Critical patent/JPS5572796A/en
Pending legal-status Critical Current

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  • Details Of Heat-Exchange And Heat-Transfer (AREA)

Abstract

PURPOSE: To curtail cost as well as raise corrosion resistance by using a two-phase stainless steel time for the part of expanded pipe and also using a ferrite stainless steel pipe for the remaining part.
CONSTITUTION: In the heating pipe structure of a chemical apparatus requiring stress corrosion cracking resistance, corrosion resistance, processability, and weldability, a two-phase alloy steel having a 18Cr-5Ni-3Mo alloying component is used for the expanded part 4 inserted into the piping plate 1, and also a ferrite stainless steel having a 26Cr-1Mo alloying component is used for the part 5 requiring the stress corrosion crack resistance and corrosion resistance alone by means of the welding 6. Thus, the heating pipe 2 of expanded part inserted into the piping plate 1 assures an exact and close-contact expansion of pipe because of its excellent processability and also the heating pipe part 5 can exhibit sufficiently high corrosion resistance and stress corrosion crack resistance.
COPYRIGHT: (C)1980,JPO&Japio
JP14602678A 1978-11-28 1978-11-28 Structure of heating pipe with expanded pipe Pending JPS5572796A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14602678A JPS5572796A (en) 1978-11-28 1978-11-28 Structure of heating pipe with expanded pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14602678A JPS5572796A (en) 1978-11-28 1978-11-28 Structure of heating pipe with expanded pipe

Publications (1)

Publication Number Publication Date
JPS5572796A true JPS5572796A (en) 1980-05-31

Family

ID=15398416

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14602678A Pending JPS5572796A (en) 1978-11-28 1978-11-28 Structure of heating pipe with expanded pipe

Country Status (1)

Country Link
JP (1) JPS5572796A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5714188A (en) * 1980-06-14 1982-01-25 Uhde Gmbh Heat exchanger between circulation gas and water from ammonia converter
JPS58123094A (en) * 1982-01-19 1983-07-22 Fukushima Tekkosho:Kk Multi-pipe type heat exchanger wherein joint aperture at tube-plate inside surface being blocked, its filler metal and blocking method therefor
JPS6220587A (en) * 1985-07-19 1987-01-29 Nippon Steel Corp Indirect heat transfer type dryer
JPS63207998A (en) * 1987-02-24 1988-08-29 Kawasaki Heavy Ind Ltd Heat exchanger for sulfuric acid plant

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5714188A (en) * 1980-06-14 1982-01-25 Uhde Gmbh Heat exchanger between circulation gas and water from ammonia converter
JPS58123094A (en) * 1982-01-19 1983-07-22 Fukushima Tekkosho:Kk Multi-pipe type heat exchanger wherein joint aperture at tube-plate inside surface being blocked, its filler metal and blocking method therefor
JPS6220587A (en) * 1985-07-19 1987-01-29 Nippon Steel Corp Indirect heat transfer type dryer
JPS63207998A (en) * 1987-02-24 1988-08-29 Kawasaki Heavy Ind Ltd Heat exchanger for sulfuric acid plant

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