WO2023014331A3 - Next-generation micro-alloyed steel - Google Patents

Next-generation micro-alloyed steel Download PDF

Info

Publication number
WO2023014331A3
WO2023014331A3 PCT/TR2022/050804 TR2022050804W WO2023014331A3 WO 2023014331 A3 WO2023014331 A3 WO 2023014331A3 TR 2022050804 W TR2022050804 W TR 2022050804W WO 2023014331 A3 WO2023014331 A3 WO 2023014331A3
Authority
WO
WIPO (PCT)
Prior art keywords
weight
ratio
alloyed steel
generation micro
mpa
Prior art date
Application number
PCT/TR2022/050804
Other languages
French (fr)
Other versions
WO2023014331A2 (en
Inventor
Fulya EYÇİN
Osman ÇULHA
Ferit SİMSAROĞLU
Original Assignee
Ti̇rsan Kardan Sanayi̇ Ve Ti̇caret Anoni̇m Şi̇rketi̇
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 TR2021/012361 external-priority patent/TR2021012361A2/en
Application filed by Ti̇rsan Kardan Sanayi̇ Ve Ti̇caret Anoni̇m Şi̇rketi̇ filed Critical Ti̇rsan Kardan Sanayi̇ Ve Ti̇caret Anoni̇m Şi̇rketi̇
Publication of WO2023014331A2 publication Critical patent/WO2023014331A2/en
Publication of WO2023014331A3 publication Critical patent/WO2023014331A3/en

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/02Ferrous alloys, e.g. steel alloys containing silicon
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D1/00General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/02Hardening articles or materials formed by forging or rolling, with no further heating beyond that required for the formation
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D7/00Modifying the physical properties of iron or steel by deformation
    • C21D7/13Modifying the physical properties of iron or steel by deformation by hot working
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D8/00Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/005Modifying the physical properties by deformation combined with, or followed by, heat treatment of ferrous alloys
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D9/00Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/0075Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for rods of limited length
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/04Ferrous alloys, e.g. steel alloys containing manganese
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/08Ferrous alloys, e.g. steel alloys containing nickel
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/12Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/16Ferrous alloys, e.g. steel alloys containing copper
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/38Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of manganese
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D2211/00Microstructure comprising significant phases
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D2211/00Microstructure comprising significant phases
    • C21D2211/002Bainite
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D2211/00Microstructure comprising significant phases
    • C21D2211/005Ferrite

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Heat Treatment Of Steel (AREA)

Abstract

The invention particularly relates to a micro-alloyed steel composition comprising; carbon (C) in a ratio of 0.42-0.480%, nitrogen (N) in a ratio of 0.007% maximum by weight, silicon (Si) in a ratio of 0.250-0.300% by weight, manganese (Mn) in a ratio of 1.550-1.700% by weight, chromium (Cr) in a ratio of 0-0.120% by weight, molybdenum (Mo) in a ratio of 0-0.020% by weight, nickel (Ni) 0-0.050% by weight, aluminum (Al) in a ratio of 0-0.005% by weight, vanadium (V) 0-0.050% by weight, phosphorus (P) in a ratio of 0-0.005% by weight, sulfur (S) by weight in the ratio of 0-0.010% and copper (Cu) steel composition by weight in a ratio of 0-0.100% and 3-5% ferrite phase, 50-55% perlite phase, 40-45% bainite phase with yield strength of 690-700 MPa, tensile strength of 940-950 MPa.
PCT/TR2022/050804 2021-08-04 2022-08-01 Next-generation micro-alloyed steel WO2023014331A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR2021/012361 TR2021012361A2 (en) 2021-08-04 New generation micro alloy steel
TR2021012361 2021-08-04

Publications (2)

Publication Number Publication Date
WO2023014331A2 WO2023014331A2 (en) 2023-02-09
WO2023014331A3 true WO2023014331A3 (en) 2023-03-02

Family

ID=85156479

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/TR2022/050804 WO2023014331A2 (en) 2021-08-04 2022-08-01 Next-generation micro-alloyed steel

Country Status (1)

Country Link
WO (1) WO2023014331A2 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104651753A (en) * 2014-11-28 2015-05-27 南京钢铁股份有限公司 Non-quenched and tempered steel for heavy truck balance shaft and manufacturing method thereof
KR20200136068A (en) * 2019-05-27 2020-12-07 주식회사 삼원강재 Steel Material for Structural Fastening with Improved Delayed-Fracture Resistance and Manufacturing Method of Structural Fastener Using by This
WO2021133345A1 (en) * 2019-12-24 2021-07-01 Ti̇rsan Kardan Sanayi̇ Ve Ti̇caret Anoni̇m Şi̇rketi̇ Micro-alloy steel composition with improved mechanical properties

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104651753A (en) * 2014-11-28 2015-05-27 南京钢铁股份有限公司 Non-quenched and tempered steel for heavy truck balance shaft and manufacturing method thereof
KR20200136068A (en) * 2019-05-27 2020-12-07 주식회사 삼원강재 Steel Material for Structural Fastening with Improved Delayed-Fracture Resistance and Manufacturing Method of Structural Fastener Using by This
WO2021133345A1 (en) * 2019-12-24 2021-07-01 Ti̇rsan Kardan Sanayi̇ Ve Ti̇caret Anoni̇m Şi̇rketi̇ Micro-alloy steel composition with improved mechanical properties

Also Published As

Publication number Publication date
WO2023014331A2 (en) 2023-02-09

Similar Documents

Publication Publication Date Title
CA2231985A1 (en) Welded high-strength steel structures and methods of manufacturing the same
CA2280923A1 (en) High-tensile-strength steel and method of manufacturing the same
CN102409259B (en) Alloy steel for braking caliper and preparation method thereof
RU2013151870A (en) AUSTENITIC STAINLESS STEEL
KR970702385A (en) High Strength Line Pipe Steel having Low Yield Ratio and Excellent in Low Temperature Toughness
ZA200711238B (en) Austenitic stainless steel strip having a bright surface finish and excellent mechanical properties
AU2007218061B2 (en) Stainless steel weld overlays with enhanced wear resistance
MX342030B (en) Seamless steel pipe for line pipe and method for producing the same.
SG151274A1 (en) A high-strength thick steel plate excellent in low temperature toughness at heat affected zone resulting from large heat input welding
WO2011124851A3 (en) Mechanical part made of steel having high properties and process for manufacturing same
MX2015003103A (en) Steel alloy for a low-alloy, high-strength steel.
US9562274B2 (en) Method of making ultra-high strength stainless steels
MX2022011506A (en) Stainless seamless steel pipe and method for producing stainless seamless steel pipe.
CA2791878A1 (en) Martensitic stainless steel with excellent weld characteristics, and martensitic stainless steel material
MX2022011507A (en) Stainless seamless steel pipe and method for producing stainless seamless steel pipe.
PH12020550830A1 (en) High-mn steel and method for manufacturing same
BR112021011844A8 (en) SUPERAUSTENITIC MATERIAL
ZA202311584B (en) High-toughness ultrahigh-strength steel and manufacturing method therefor
ATE406466T1 (en) CREEP-RESISTANT MARTENSITIC HARDENABLE STEEL
WO2023014331A3 (en) Next-generation micro-alloyed steel
CA3156318A1 (en) Forged part of steel and a method of manufacturing thereof
WO2023101642A3 (en) High-strength, low-alloy steel composition and related production method
MX2022003878A (en) Stainless seamless steel pipe and method for producing same.
RU2378096C1 (en) Material for overlaying welding of rollers for continuous-casting plant by open or close arc
EP1228253B8 (en) Steel composition, method for making same and parts produced from said compositions, particularly valves

Legal Events

Date Code Title Description
NENP Non-entry into the national phase

Ref country code: DE