JPS53114721A - Heat treating method for steel to obtain uniform mixed structure of ferrite and bainite - Google Patents

Heat treating method for steel to obtain uniform mixed structure of ferrite and bainite

Info

Publication number
JPS53114721A
JPS53114721A JP2991077A JP2991077A JPS53114721A JP S53114721 A JPS53114721 A JP S53114721A JP 2991077 A JP2991077 A JP 2991077A JP 2991077 A JP2991077 A JP 2991077A JP S53114721 A JPS53114721 A JP S53114721A
Authority
JP
Japan
Prior art keywords
bainite
ferrite
mixed structure
steel
uniform mixed
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
JP2991077A
Other languages
Japanese (ja)
Inventor
Kazuo Fukushima
Hiromichi Sakamoto
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.)
Nippon Steel Corp
Original Assignee
Sumitomo Metal 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 Sumitomo Metal Industries Ltd filed Critical Sumitomo Metal Industries Ltd
Priority to JP2991077A priority Critical patent/JPS53114721A/en
Publication of JPS53114721A publication Critical patent/JPS53114721A/en
Pending legal-status Critical Current

Links

Landscapes

  • Heat Treatments In General, Especially Conveying And Cooling (AREA)

Abstract

PURPOSE: To easily obtain a desired uniform mixed structure of ferite and bainite by slowly cooling carbon steel or the like from a temp. above Ac3 point in a prescribed temp. zone followed by quenching.
COPYRIGHT: (C)1978,JPO&Japio
JP2991077A 1977-03-17 1977-03-17 Heat treating method for steel to obtain uniform mixed structure of ferrite and bainite Pending JPS53114721A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2991077A JPS53114721A (en) 1977-03-17 1977-03-17 Heat treating method for steel to obtain uniform mixed structure of ferrite and bainite

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2991077A JPS53114721A (en) 1977-03-17 1977-03-17 Heat treating method for steel to obtain uniform mixed structure of ferrite and bainite

Publications (1)

Publication Number Publication Date
JPS53114721A true JPS53114721A (en) 1978-10-06

Family

ID=12289136

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2991077A Pending JPS53114721A (en) 1977-03-17 1977-03-17 Heat treating method for steel to obtain uniform mixed structure of ferrite and bainite

Country Status (1)

Country Link
JP (1) JPS53114721A (en)

Similar Documents

Publication Publication Date Title
JPS52152814A (en) Thermo-mechanical treatment of seamless steel pipe
JPS526153A (en) Heat recovery process of melting furnace sediment
JPS53114721A (en) Heat treating method for steel to obtain uniform mixed structure of ferrite and bainite
JPS527818A (en) Process for producing rust proofing, medium carbon, martensitic, chrom ium stainless steel
JPS5248507A (en) Method for cooling outer surface of metallic pipe or large diameter
JPS5212612A (en) Wear resistant tool steel
JPS5375114A (en) Manufacture of structural steel
JPS53119244A (en) Processing heat treating method of weldable structural steel plate
JPS53119219A (en) Manufacture of weldable high tensile steel
JPS5310312A (en) Treating apparatus at sub-zero
JPS5399026A (en) Method of making mediummanddhighh carbon steel heattrolled steel material having fine pearlite structure for use in cementite spheroidizing annealing treatment
JPS5329218A (en) Production of ultralow carbon, 80 kg/mm2 high tensile steel plate
JPS53131219A (en) Heat treating method for high carbon steel wire
JPS5398423A (en) Method of shaping carbon fibers
JPS52125409A (en) Chrome treated and direct quenched steel wire and its preparation
JPS5337511A (en) Heat treating equipment for steel sheet
JPS53132418A (en) Continuous treating equipment including overaging treatment zone
JPS5445612A (en) Low-alloy steel free of post-stress-removing-anneal embrittlement in heat affected zone
JPS53119215A (en) Steel rolling method
JPS52122202A (en) Nitriding method of iron or steel
JPS5362726A (en) Method and apparatus for preparatment of temper rolling
JPS5274520A (en) Production of high toughness steel materials
JPS5325218A (en) Spheroidizing heat treating method for wire by strand method
JPS5387913A (en) Heat-treating apparatus including spray cooler
JPS5271328A (en) Spheroidizing heat treatment of steel