ATE95844T1 - PROCESS FOR MANUFACTURING STEEL PRESSURE TANKS. - Google Patents

PROCESS FOR MANUFACTURING STEEL PRESSURE TANKS.

Info

Publication number
ATE95844T1
ATE95844T1 AT88730190T AT88730190T ATE95844T1 AT E95844 T1 ATE95844 T1 AT E95844T1 AT 88730190 T AT88730190 T AT 88730190T AT 88730190 T AT88730190 T AT 88730190T AT E95844 T1 ATE95844 T1 AT E95844T1
Authority
AT
Austria
Prior art keywords
steel pressure
pressure tanks
manufacturing steel
steel
titanium
Prior art date
Application number
AT88730190T
Other languages
German (de)
Inventor
Hagen Ingo Dr-Ing Von
Ekkehardt Dipl-Ing Schnabel
Axel Dr Mont Kulgemeyer
Dieter Dr-Ing Vespermann
Original Assignee
Mannesmann Ag
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 Mannesmann Ag filed Critical Mannesmann Ag
Application granted granted Critical
Publication of ATE95844T1 publication Critical patent/ATE95844T1/en

Links

Classifications

    • 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
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • 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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • 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
    • C21D9/0068—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for particular articles not mentioned below

Abstract

To simplify the manufacture of pressure vessels and to enhance the properties thereof, a steel is proposed which has a composition of 0.15 - 0.26% of carbon 1.25 - 2.00% of manganese 0.2 - 0.5% of silicon at most 0.02% of phosphorus at most 0.005% of sulphur 0.1 - 0.5% of molybdenum 0.010 - 0.035% of titanium 0.0030 - 0.0100% of N 0.001 - 0.003% of boron 0 - 0.04% of niobium, the remainder being iron and usual impurities, the titanium content/nitrogen content ratio being adjusted to between 3.6 and 6.5. The invention also relates to a heat treatment process for the vessels manufactured from this steel.
AT88730190T 1987-09-16 1988-08-23 PROCESS FOR MANUFACTURING STEEL PRESSURE TANKS. ATE95844T1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19873731481 DE3731481A1 (en) 1987-09-16 1987-09-16 METHOD FOR THE PRODUCTION OF STEEL PRESSURE TANKS
EP88730190A EP0308361B1 (en) 1987-09-16 1988-08-23 Process for manufacturing steel pressure vessels

Publications (1)

Publication Number Publication Date
ATE95844T1 true ATE95844T1 (en) 1993-10-15

Family

ID=6336365

Family Applications (1)

Application Number Title Priority Date Filing Date
AT88730190T ATE95844T1 (en) 1987-09-16 1988-08-23 PROCESS FOR MANUFACTURING STEEL PRESSURE TANKS.

Country Status (3)

Country Link
EP (1) EP0308361B1 (en)
AT (1) ATE95844T1 (en)
DE (2) DE3731481A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1013099C2 (en) * 1999-09-20 2001-03-21 Matthijs De Jong Pressurized tank for liquefied gas, especially for gas tankers, comprises a steel material with specific silicon, chromium, copper, molybdenum and nickel contents

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD79594A (en) *
US3328211A (en) * 1963-12-05 1967-06-27 Ishikawajima Harima Heavy Ind Method of manufacturing weldable, tough and high strength steel for structure members usable in the ashot-state and steel so made
FR2287519A1 (en) * 1974-10-07 1976-05-07 Kobe Steel Ltd Weldable structural steel - which is resistant to embrittlement in the heat affected zone
JPS52152814A (en) * 1976-06-14 1977-12-19 Nippon Steel Corp Thermo-mechanical treatment of seamless steel pipe
JPS62196326A (en) * 1986-02-24 1987-08-29 Sumitomo Metal Ind Ltd Manufacture of high-strength steel excellent in surface toughness

Also Published As

Publication number Publication date
EP0308361A1 (en) 1989-03-22
DE3884900D1 (en) 1993-11-18
EP0308361B1 (en) 1993-10-13
DE3731481A1 (en) 1989-04-06

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