JPS54153717A - Steel ror hot processing - Google Patents
Steel ror hot processingInfo
- Publication number
- JPS54153717A JPS54153717A JP6162778A JP6162778A JPS54153717A JP S54153717 A JPS54153717 A JP S54153717A JP 6162778 A JP6162778 A JP 6162778A JP 6162778 A JP6162778 A JP 6162778A JP S54153717 A JPS54153717 A JP S54153717A
- Authority
- JP
- Japan
- Prior art keywords
- steel
- hot processing
- ror
- machinery
- contained
- 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.)
- Granted
Links
Landscapes
- Heat Treatment Of Steel (AREA)
Abstract
PURPOSE: To let it have excellent toughness without the need for reheating treatment after hot forging by adding Ti in a specific amount to steel in relation to S and N contained in structural steel for machinery.
CONSTITUTION: A molten structural steel for machinery, containing 0.25 to 0.7% C, 0.15 to 0.35% Si, 0.3 to 2% Mn, and one or more of 0.2 to 1.0% Cr, 0.1 to 0.5% Mo, and 0.4 to 2.0% Ni, is sufficiently deoxidized by Ca, Mg, REM, etc., and then 0.005 to 0.03% Ti enough to satisfy S and N contained as impurities and the following formula is added to the molten steel; that is, Ti/(3S+N)=0.4 to 1.0. The steel, in which the growth of crystals is suppressed and also low temperature toughness is raised even when it is forged at a high temperature of approx. 120°C, is applicable to steel material for hot processing which is usable without reheating treatment for reaustenitizing.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP53061627A JPS5937737B2 (en) | 1978-05-25 | 1978-05-25 | Steel materials for hot forging |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP53061627A JPS5937737B2 (en) | 1978-05-25 | 1978-05-25 | Steel materials for hot forging |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS54153717A true JPS54153717A (en) | 1979-12-04 |
JPS5937737B2 JPS5937737B2 (en) | 1984-09-11 |
Family
ID=13176603
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP53061627A Expired JPS5937737B2 (en) | 1978-05-25 | 1978-05-25 | Steel materials for hot forging |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5937737B2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63165860U (en) * | 1987-04-17 | 1988-10-28 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5143312A (en) * | 1974-10-12 | 1976-04-14 | Nippon Steel Corp | Tanzosei oyobi kyodotokuseino suguretakikaikozoyoteigokinko |
JPS52115719A (en) * | 1976-03-25 | 1977-09-28 | Kawasaki Steel Co | Pc bar steel suitable for continuous casting |
JPS52131918A (en) * | 1976-04-28 | 1977-11-05 | Nippon Kokan Kk <Nkk> | Production of non-refined high tensile thick steel plate with excellent toughness |
JPS5324888A (en) * | 1976-08-19 | 1978-03-08 | Kyowa Hakko Kogyo Kk | Composition for quantitating fats containing phosphorus |
-
1978
- 1978-05-25 JP JP53061627A patent/JPS5937737B2/en not_active Expired
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5143312A (en) * | 1974-10-12 | 1976-04-14 | Nippon Steel Corp | Tanzosei oyobi kyodotokuseino suguretakikaikozoyoteigokinko |
JPS52115719A (en) * | 1976-03-25 | 1977-09-28 | Kawasaki Steel Co | Pc bar steel suitable for continuous casting |
JPS52131918A (en) * | 1976-04-28 | 1977-11-05 | Nippon Kokan Kk <Nkk> | Production of non-refined high tensile thick steel plate with excellent toughness |
JPS5324888A (en) * | 1976-08-19 | 1978-03-08 | Kyowa Hakko Kogyo Kk | Composition for quantitating fats containing phosphorus |
Also Published As
Publication number | Publication date |
---|---|
JPS5937737B2 (en) | 1984-09-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS5669359A (en) | Composite structure type high strength cold rolled steel sheet | |
GB1471844A (en) | Ferritic stainless steel | |
JPS53108022A (en) | Iron-nickel-chromium-molybdenum alloy of high ductility | |
GB1533122A (en) | Free machining steels | |
JPS5623259A (en) | Nickel-free high manganese cast steel for low temperature use | |
JPS54153717A (en) | Steel ror hot processing | |
JPS54127820A (en) | High toughness steel material for hot working | |
JPS5541943A (en) | Te-s type free-cutting steel of little anisotropism in mechanical property and excellent cold forging property | |
JPS5465115A (en) | Boron-added high tensile steel with superior low temperature toughness | |
JPS55158254A (en) | Nb stabilized ferritic stainless steel with superior local corrosion resistance | |
JPS5638448A (en) | Nonrefined tough steel | |
JPS5662947A (en) | Ferritic stainless steel with superior corrosion resistance for bright annealing finish | |
JPS55104456A (en) | Machine structural boron steel | |
JPS5597424A (en) | Preparation of heat-treated steel with excellent low temperature toughness | |
JPS5378914A (en) | Low alloy steel for large-sized forged product | |
JPS53133524A (en) | Austenitic stainless steel for cold forging | |
JPS5658945A (en) | High toughness nodular graphite cast iron | |
JPS54133418A (en) | Case hardening steel without producing abnormal carburized structure | |
JPS5541962A (en) | Cr-mo steel for pressure vessel | |
JPS5582749A (en) | Heat treatment omitting type high tensile steel bar for hot forging | |
JPS54127823A (en) | Two phase stainless steel | |
JPS5466321A (en) | Manufacture of unrefined high tensile steel for welded structure | |
JPS5794561A (en) | Alloy for hearth roll accelerator | |
JPS54110914A (en) | High strength and high toughness steel | |
JPS52155127A (en) | Heat treatment of ni-cr-w alloy cold worked material |