JPS57143438A - Welding method for 10ni steel with electron beam - Google Patents

Welding method for 10ni steel with electron beam

Info

Publication number
JPS57143438A
JPS57143438A JP2864181A JP2864181A JPS57143438A JP S57143438 A JPS57143438 A JP S57143438A JP 2864181 A JP2864181 A JP 2864181A JP 2864181 A JP2864181 A JP 2864181A JP S57143438 A JPS57143438 A JP S57143438A
Authority
JP
Japan
Prior art keywords
steel
strength
under conditions
electron beam
base metal
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
JP2864181A
Other languages
Japanese (ja)
Inventor
Akio Tanaka
Genta Takano
Mamoru Hirose
Tsutomu Toyohara
Katsuto Fuchigami
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 Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy Industries Ltd
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 Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Priority to JP2864181A priority Critical patent/JPS57143438A/en
Publication of JPS57143438A publication Critical patent/JPS57143438A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/50—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for welded joints

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Welding Or Cutting Using Electron Beams (AREA)
  • Heat Treatment Of Articles (AREA)

Abstract

PURPOSE:To almost recover the strength of the weld zone of a 10Ni steel to that of the base metal by welding the steel with electron beams, hardening it in 2 steps, and carrying out tempering under conditions which provide a specified temper parameter value or below. CONSTITUTION:A 10Ni steel which is a refining type high tensile steel contg. 10% Ni and 8% Co as basic added elements is welded with electron beams and hardened in 2 steps. By continuously carrying out tempering under conditions which provide <=16.8 temper parameter P, the strength of the weld zone, that is, the 0.2% yield strength is recovered to about 120kgf/mm.<2> corresponding to that of the base metal.
JP2864181A 1981-02-28 1981-02-28 Welding method for 10ni steel with electron beam Pending JPS57143438A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2864181A JPS57143438A (en) 1981-02-28 1981-02-28 Welding method for 10ni steel with electron beam

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2864181A JPS57143438A (en) 1981-02-28 1981-02-28 Welding method for 10ni steel with electron beam

Publications (1)

Publication Number Publication Date
JPS57143438A true JPS57143438A (en) 1982-09-04

Family

ID=12254143

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2864181A Pending JPS57143438A (en) 1981-02-28 1981-02-28 Welding method for 10ni steel with electron beam

Country Status (1)

Country Link
JP (1) JPS57143438A (en)

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