GB1511622A

GB1511622A – Method for manufacturing steel sheet by controlled temperature rolling
– Google Patents

GB1511622A – Method for manufacturing steel sheet by controlled temperature rolling
– Google Patents
Method for manufacturing steel sheet by controlled temperature rolling

Info

Publication number
GB1511622A

GB1511622A
GB488976A
GB488976A
GB1511622A
GB 1511622 A
GB1511622 A
GB 1511622A
GB 488976 A
GB488976 A
GB 488976A
GB 488976 A
GB488976 A
GB 488976A
GB 1511622 A
GB1511622 A
GB 1511622A
Authority
GB
United Kingdom
Prior art keywords
minimum
steel sheet
thickness
feb
controlled temperature
Prior art date
1975-02-10
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.)

Expired

Application number
GB488976A
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.)

Italsider SpA

Original Assignee
Italsider SpA
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.)
1975-02-10
Filing date
1976-02-09
Publication date
1978-05-24

1976-02-09
Application filed by Italsider SpA
filed
Critical
Italsider SpA

1978-05-24
Publication of GB1511622A
publication
Critical
patent/GB1511622A/en

Status
Expired
legal-status
Critical
Current

Links

Espacenet

Global Dossier

Discuss

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

C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment

C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips

C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps

C21D8/0226—Hot rolling

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

C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment

C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips

C21D8/021—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips involving a particular fabrication or treatment of ingot or slab

Abstract

1511622 Heat-treating steel sheet ITALSIDER SpA 9 Feb 1976 [10 Feb 1975] 04889/76 Heading C7A [Also in Division B3] Steel sheets of 6-80mm thickness and characterized by a minimum yield P and of 35 Kg/mm2, minimum tensile strength 55 Kg/mm2, minimum elongation 25%, minimum impact strength 4 Kg/cm2 (transverse) and 8 Kg/mm2 (longitudinal), both over the range -80‹C to +100 C, are produced from a composition containing in wt, per cent. C 0À04-0À09 Mn 1À3 -2 Si 0À15-0À45 S # 0À02 P # 0À025 Nb 0À01-0À06 Al 0À005-0À05 Mo 0À1-0À45 Ni -0À4 Ce -0À05 by heating the slab to 1000-1150‹C and rolling to a thickness 2 to 5 times that finally required. The intermediate material is then cooled to 950-820‹C, and further rolled to final thickness under such conditions that the entry temperature to the final pass is 740-850‹C. The product may either be force cooled to 400‹C at #10‹C/sec., or spraycooled to 580-620‹C and then allowed to cool in air. The steel is used for forming into pipes, and also for tanks.

GB488976A
1975-02-10
1976-02-09
Method for manufacturing steel sheet by controlled temperature rolling

Expired

GB1511622A
(en)

Applications Claiming Priority (1)

Application Number
Priority Date
Filing Date
Title

IT1245375A

IT1028878B
(en)

1975-02-10
1975-02-10

PROCEDURE FOR THE MANUFACTURING OF A STEEL WITH HIGH ANTI-AGING RESISTANCE, PARTICULARLY SUITABLE FOR THE CONSTRUCTION OF WELDED PIPES AND SUITABLE TO WITHstand HIGH PLASTIC DEFORMATIONS IN COLD, STEEL SUITABLE TO BE USED IN THIS PROCEDURE

Publications (1)

Publication Number
Publication Date

GB1511622A
true

GB1511622A
(en)

1978-05-24

Family
ID=11140332
Family Applications (1)

Application Number
Title
Priority Date
Filing Date

GB488976A
Expired

GB1511622A
(en)

1975-02-10
1976-02-09
Method for manufacturing steel sheet by controlled temperature rolling

Country Status (5)

Country
Link

AU
(1)

AU498464B2
(en)

DE
(1)

DE2605160A1
(en)

FR
(1)

FR2300136A1
(en)

GB
(1)

GB1511622A
(en)

IT
(1)

IT1028878B
(en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party

Publication number
Priority date
Publication date
Assignee
Title

EP0030309B1
(en)

*

1979-12-06
1985-02-13
Preussag Stahl Aktiengesellschaft
Hot rolled strip or plate of denitrided steel and process for its production

DE3007560A1
(en)

*

1980-02-28
1981-09-03
Kawasaki Steel Corp., Kobe, Hyogo

METHOD FOR PRODUCING HOT-ROLLED SHEET WITH LOW STRETCH STRESS, HIGH TENSILE STRENGTH AND EXCELLENT SHAPING CAPACITY

FR2524907A1
(en)

*

1982-04-09
1983-10-14
Normandie Ste Metallurg
Steel wire rod for direct cold forging – esp. of high strength nuts and bolts, without heat treatment

CN116206712B
(en)

*

2023-04-27
2023-07-11
燕山大学
Design method for improving elongation of variable-thickness metal thin-wall structural part

1975

1975-02-10
IT
IT1245375A
patent/IT1028878B/en
active

1976

1976-02-05
FR
FR7603155A
patent/FR2300136A1/en
active
Granted

1976-02-06
AU
AU10892/76A
patent/AU498464B2/en
not_active
Expired

1976-02-09
GB
GB488976A
patent/GB1511622A/en
not_active
Expired

1976-02-10
DE
DE19762605160
patent/DE2605160A1/en
not_active
Withdrawn

Also Published As

Publication number
Publication date

IT1028878B
(en)

1979-02-10

DE2605160A1
(en)

1976-08-19

FR2300136A1
(en)

1976-09-03

FR2300136B1
(en)

1979-08-24

AU498464B2
(en)

1979-03-15

AU1089276A
(en)

1977-08-11

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Legal Events

Date
Code
Title
Description

1978-09-27
PS
Patent sealed

1979-03-28
746
Register noted ‘licences of right’ (sect. 46/1977)

1982-09-08
PCNP
Patent ceased through non-payment of renewal fee

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