GB1522973A - Steel sections having microstructure - Google Patents
Steel sections having microstructureInfo
- Publication number
- GB1522973A GB1522973A GB4872677A GB4872677A GB1522973A GB 1522973 A GB1522973 A GB 1522973A GB 4872677 A GB4872677 A GB 4872677A GB 4872677 A GB4872677 A GB 4872677A GB 1522973 A GB1522973 A GB 1522973A
- Authority
- GB
- United Kingdom
- Prior art keywords
- tempered
- section
- pearlite
- feb
- march
- 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.)
- Expired
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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/02—Hardening articles or materials formed by forging or rolling, with no further heating beyond that required for the formation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
- B21B45/0203—Cooling
- B21B45/0209—Cooling devices, e.g. using gaseous coolants
- B21B45/0215—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes
Abstract
1522973 Steel sections of composite micro-structure CENTRE DE RECHERCHES METALLURGIQUES CENTRUM VOOR RESEARCH IN DE METALLURGIE 6 Oct 1975 [4 Oct 1974 3 Feb 1975 28 Feb 1975(3) 7 March 1975 25 March 1975] 48726/77 Divided out of 1522972 Heading C7A A steel section e.g. beam, channel, plate or bar has in cross-section a structure including at least two zones parallel to the surface of a flat part of the section, one comprising tempered martensite and non-tempered bainite, and the other, which lies below it, comprising non-tempered bainite and non-tempered ferrite-pearlite. There may additionally be an outer zone of tempered martensite and an inner most zone of non-tempered ferrite-pearlite.
Applications Claiming Priority (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE820750 | 1974-10-04 | ||
BE825138 | 1975-02-03 | ||
BE826200 | 1975-02-28 | ||
BE826202 | 1975-02-28 | ||
BE826203 | 1975-02-28 | ||
BE826456 | 1975-03-07 | ||
BE827175 | 1975-03-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1522973A true GB1522973A (en) | 1978-08-31 |
Family
ID=27560803
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB4075975A Expired GB1522972A (en) | 1974-10-04 | 1975-10-06 | Process for the quality of steel sections |
GB4872677A Expired GB1522973A (en) | 1974-10-04 | 1975-10-06 | Steel sections having microstructure |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB4075975A Expired GB1522972A (en) | 1974-10-04 | 1975-10-06 | Process for the quality of steel sections |
Country Status (3)
Country | Link |
---|---|
JP (1) | JPS5163311A (en) |
GB (2) | GB1522972A (en) |
LU (1) | LU73512A1 (en) |
-
1975
- 1975-10-03 LU LU73512A patent/LU73512A1/xx unknown
- 1975-10-04 JP JP12020775A patent/JPS5163311A/en active Granted
- 1975-10-06 GB GB4075975A patent/GB1522972A/en not_active Expired
- 1975-10-06 GB GB4872677A patent/GB1522973A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB1522972A (en) | 1978-08-31 |
LU73512A1 (en) | 1976-04-13 |
JPS5163311A (en) | 1976-06-01 |
JPS6123247B2 (en) | 1986-06-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ES2035070T3 (en) | STAINLESS STEELS HARDENABLE BY AGING. | |
GB1243382A (en) | Structural steel having martensite structure | |
DE3685824T2 (en) | STAINLESS STEEL MARTENSITE STEEL WITH EXCELLENT OXYDATION RESISTANCE, PROCESSABILITY AND CORROSION RESISTANCE AND PRODUCTION PROCESS. | |
GB1522973A (en) | Steel sections having microstructure | |
GB1492720A (en) | Steel bolt with high limit of elasticity | |
GB1338285A (en) | High tensile strength low alloy steels | |
JPS5237511A (en) | Alloy tool steel for cold working | |
GB1431390A (en) | Alloy steel | |
GB1360483A (en) | Steel | |
Hauge | Iron and Steel in Former Times in Norway | |
GB1382798A (en) | Railway vehicle-railway track interface members | |
BALTER et al. | Influence of tempering on the fatigue strength of martensite and bainite steel hardened by plastic surface deformation | |
Bannykh | The Influence of Heat Treatment on Structure and Mechanical Properties at Low Temperature of Age Hardened Steel Containing Vanadium | |
Krauss | The Effect of Austenitizing on Microstructure and Fracture of Hardened High-Carbon Steels | |
Schmidtmann et al. | Influence of Compressive Stresses on the Transformation Behaviour During Quenching of Heavy Forgings of Steel 21 CrMoV 511 | |
GB1215430A (en) | Improvements in or relating to steels | |
GB1061563A (en) | A new or improved stainless steel and articles produced therefrom | |
CHAIT | Factors influencing the strength differential of high strength steels(Room temperature tensile and compressive stress-strain diagrams for high strength steels) | |
Baker | New Steels From Fulmer | |
Antsiferov et al. | Certain Peculiarities of Powder Steel Tempering | |
Ohji et al. | Effects of Pearlite Colony Morphology and Hydrostatic Pressure on Ductile Fracture Processes of Ferrite-Pearlite C Steels | |
Gavriljuk et al. | Distribution of Carbon in Steel After Heat Treatment and Plastic Deformation | |
Liu et al. | Investigation on the Tribology and Wear Characteristics of Laser Transformation Hardened High Speed Steel M 2 | |
Mei et al. | Effects of Niobium Additions on Pearlite Formation and Hardness | |
Wittekopf | Hardenability and Availability of Low-Alloy Grades of Steel Casting |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PE20 | Patent expired after termination of 20 years |
Effective date: 19951005 |