CN103451563A - High-strength seamless deformed steel and preparation process thereof - Google Patents
High-strength seamless deformed steel and preparation process thereof Download PDFInfo
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- CN103451563A CN103451563A CN 201310411584 CN201310411584A CN103451563A CN 103451563 A CN103451563 A CN 103451563A CN 201310411584 CN201310411584 CN 201310411584 CN 201310411584 A CN201310411584 A CN 201310411584A CN 103451563 A CN103451563 A CN 103451563A
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Abstract
The invention discloses high-strength seamless deformed steel and a preparation process thereof. The high-strength seamless deformed steel is composed of the following chemical elements in parts by weight: 120-650 parts of iron, 2-12 parts of carbon, 5-50 parts of aluminum, 0.05-0.4 part of titanium, 0.02-0.09 part of silver, 0.01-0.04 part of nickel, 0.1-0.5 part of chromium, 0.02-0.075 part of manganese, 0.032-0.065 part of zirconium, 0.07-0.25 part of boron, 0.005-0.068 part of yttrium, 0.012-0.037 part of ytterbium, 0.01-0.09 part of thulium and 0.02-0.1 part of ruthenium. The preparation process comprises the following steps of performing deoiling, acid washing, and coping and planing on the deformed steel; carrying out heating treatment, namely, firstly heating the deformed steel to 300 to 400 DEG C, preserving heat for 1.0-1.5 hours, and then heating to 680-750 DEG C and preserving heat for 1.5-2.0 hours; cooling, namely, cooling the deformed steel to 300 to 380 DEG C by using cooling oil, and then slowly cooling to the room temperature. In this way, the high-strength seamless deformed steel and the preparation process thereof provided by the invention have the advantages that the strength of the deformed steel can be improved, the preparation process is simple and the cost is low.
Description
Technical field
The present invention relates to the deformed steel field, particularly relate to a kind of high intensity seamless deformed steel and preparation technology thereof.
Background technology
Seamless steel tube production is one of national mainstay industry, and along with the development of national economy, the demand of weldless steel tube is the trend of cumulative year after year.Weldless steel tube is for the manufacture of structural members such as automobile, train, aircraft, steamer, space guns, and the component of machine such as agricultural, mine, engineering, electrician, weaving, military project, weldless steel tube is at civil area or the application of military industry field is all very extensive.In complex environment, the characteristics such as deformed steel need to have that high strength, heatproof are poor, long service life and high comprehensive performance.But, at present on the low side for the manufacture of the strength of materials of deformed steel, toughness is limited, over-all properties is low, causes the supporting capacity of fire-fighting equipment less, shock resistance is poor, counter-bending and the distortion performance is low.
Summary of the invention
The technical problem that the present invention mainly solves is to provide a kind of high intensity seamless deformed steel and preparation technology thereof, can improve the intensity of deformed steel, and preparation technology is simple, and cost is low.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: a kind of high intensity seamless deformed steel is provided, comprises that following chemical element forms by mass fraction: iron 120-650 part, carbon 2-12 part, aluminium 5-50 part, titanium 0.05-0.4 part, silver-colored 0.02-0.09 part, nickel 0.01-0.04 part, chromium 0.1-0.5 part, manganese 0.02-0.075 part, zirconium 0.032-0.065 part, boron 0.07-0.25 part, yttrium 0.005-0.068 part, ytterbium 0.012-0.037 part, thulium 0.01-0.09 part and ruthenium 0.02-0.1 part.
In a preferred embodiment of the present invention, comprise that following chemical element forms by mass fraction: 0.02 part of 120 parts of iron, 2 parts, carbon, 5 parts, aluminium, 0.05 part of titanium, 0.02 part of silver, 0.01 part, nickel, 0.1 part of chromium, 0.02 part, manganese, 0.032 part of zirconium, 0.07 part of boron, 0.005 part of yttrium, 0.012 part of ytterbium, 0.01 part of thulium and ruthenium.
In a preferred embodiment of the present invention, comprise that following chemical element forms by mass fraction: 0.1 part of 650 parts of iron, 12 parts, carbon, 50 parts, aluminium, 0.4 part of titanium, 0.09 part of silver, 0.04 part, nickel, 0.5 part of chromium, 0.075 part, manganese, 0.065 part of zirconium, 0.25 part of boron, 0.068 part of yttrium, ytterbium 0.012-0.037 part, 0.09 part of thulium and ruthenium.
In a preferred embodiment of the present invention, comprise that following chemical element forms by mass fraction: 0.06 part of 400 parts of iron, 8 parts, carbon, 40 parts, aluminium, 0.2 part of titanium, 0.06 part of silver, 0.03 part, nickel, 0.3 part of chromium, 0.05 part, manganese, 0.04 part of zirconium, 0.15 part of boron, 0.02 part of yttrium, 0.025 part of ytterbium, 0.02 part of thulium and ruthenium.
For solving the problems of the technologies described above, another technical solution used in the present invention is: a kind of preparation technology of high intensity seamless deformed steel is provided, comprises the following steps: a. surface treatment: to deformed steel deoiled, pickling and reconditioning plane skin; B. heat treated: first deformed steel is heated to 300-400 ℃, then is incubated 1.0-1.5 hour, be heated to 680-750 ℃, in 1.5-2.0 hour c. cooling process of insulation: by cooling oil, deformed steel is cooled to 300-380 ℃, slowly is being cooled to room temperature.
The invention has the beneficial effects as follows: high intensity seamless deformed steel of the present invention and preparation technology thereof, can improve the intensity of deformed steel, preparation technology is simple, and cost is low.
Embodiment
Below will the technical scheme in the embodiment of the present invention be clearly and completely described, obviously, described embodiment is only a part of embodiment of the present invention, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making all other embodiment that obtain under the creative work prerequisite, belong to the scope of protection of the invention.
Embodiment 1: a kind of high intensity seamless deformed steel, comprise that following chemical element forms by mass fraction: 0.02 part of 120 parts of iron, 2 parts, carbon, 5 parts, aluminium, 0.05 part of titanium, 0.02 part of silver, 0.01 part, nickel, 0.1 part of chromium, 0.02 part, manganese, 0.032 part of zirconium, 0.07 part of boron, 0.005 part of yttrium, 0.012 part of ytterbium, 0.01 part of thulium and ruthenium, by surface treatment: to deformed steel deoiled, pickling and reconditioning plane skin; Used again heat treated: first deformed steel is heated to 300-400 ℃, then be incubated 1.0-1.5 hour, be heated to 680-750 ℃, be incubated 1.5-2.0 hour c. cooling process: by cooling oil, deformed steel is cooled to 300-380 ℃, slowly is being cooled to room temperature.
Embodiment 2: a kind of high intensity seamless deformed steel, comprise that following chemical element forms by mass fraction: 0.1 part of 650 parts of iron, 12 parts, carbon, 50 parts, aluminium, 0.4 part of titanium, 0.09 part of silver, 0.04 part, nickel, 0.5 part of chromium, 0.075 part, manganese, 0.065 part of zirconium, 0.25 part of boron, 0.068 part of yttrium, ytterbium 0.012-0.037 part, 0.09 part of thulium and ruthenium, by surface treatment: to deformed steel deoiled, pickling and reconditioning plane skin; Used again heat treated: first deformed steel is heated to 300-400 ℃, then be incubated 1.0-1.5 hour, be heated to 680-750 ℃, be incubated 1.5-2.0 hour c. cooling process: by cooling oil, deformed steel is cooled to 300-380 ℃, slowly is being cooled to room temperature.
Embodiment 3: a kind of high intensity seamless deformed steel, comprise that following chemical element forms by mass fraction: 0.1 part of 650 parts of iron, 12 parts, carbon, 50 parts, aluminium, 0.4 part of titanium, 0.09 part of silver, 0.04 part, nickel, 0.5 part of chromium, 0.075 part, manganese, 0.065 part of zirconium, 0.25 part of boron, 0.068 part of yttrium, ytterbium 0.012-0.037 part, 0.09 part of thulium and ruthenium, by surface treatment: to deformed steel deoiled, pickling and reconditioning plane skin; Used again heat treated: first deformed steel is heated to 300-400 ℃, then be incubated 1.0-1.5 hour, be heated to 680-750 ℃, be incubated 1.5-2.0 hour c. cooling process: by cooling oil, deformed steel is cooled to 300-380 ℃, slowly is being cooled to room temperature.
Be different from prior art, high intensity seamless deformed steel of the present invention and preparation technology thereof, can improve the intensity of deformed steel, and preparation technology is simple, and cost is low.
The foregoing is only embodiments of the invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or conversion of equivalent flow process that utilizes description of the present invention to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in scope of patent protection of the present invention.
Claims (5)
1. a high intensity seamless deformed steel, it is characterized in that, comprise that following chemical element forms by mass fraction: iron 120-650 part, carbon 2-12 part, aluminium 5-50 part, titanium 0.05-0.4 part, silver-colored 0.02-0.09 part, nickel 0.01-0.04 part, chromium 0.1-0.5 part, manganese 0.02-0.075 part, zirconium 0.032-0.065 part, boron 0.07-0.25 part, yttrium 0.005-0.068 part, ytterbium 0.012-0.037 part, thulium 0.01-0.09 part and ruthenium 0.02-0.1 part.
2. high intensity seamless deformed steel according to claim 1, it is characterized in that, comprise that following chemical element forms by mass fraction: 0.02 part of 120 parts of iron, 2 parts, carbon, 5 parts, aluminium, 0.05 part of titanium, 0.02 part of silver, 0.01 part, nickel, 0.1 part of chromium, 0.02 part, manganese, 0.032 part of zirconium, 0.07 part of boron, 0.005 part of yttrium, 0.012 part of ytterbium, 0.01 part of thulium and ruthenium.
3. high intensity seamless deformed steel according to claim 1, it is characterized in that, comprise that following chemical element forms by mass fraction: 0.1 part of 650 parts of iron, 12 parts, carbon, 50 parts, aluminium, 0.4 part of titanium, 0.09 part of silver, 0.04 part, nickel, 0.5 part of chromium, 0.075 part, manganese, 0.065 part of zirconium, 0.25 part of boron, 0.068 part of yttrium, ytterbium 0.012-0.037 part, 0.09 part of thulium and ruthenium.
4. high intensity seamless deformed steel according to claim 1, it is characterized in that, comprise that following chemical element forms by mass fraction: 0.06 part of 400 parts of iron, 8 parts, carbon, 40 parts, aluminium, 0.2 part of titanium, 0.06 part of silver, 0.03 part, nickel, 0.3 part of chromium, 0.05 part, manganese, 0.04 part of zirconium, 0.15 part of boron, 0.02 part of yttrium, 0.025 part of ytterbium, 0.02 part of thulium and ruthenium.
5. the preparation technology of a high intensity seamless deformed steel as claimed in claim 1, is characterized in that, comprises the following steps:
A. surface treatment: to deformed steel deoiled, pickling and reconditioning plane skin;
B. heat treated: first deformed steel is heated to 300-400 ℃, then is incubated 1.0-1.5 hour, be heated to 680-750 ℃, at insulation 1.5-2.0 hour
C. cooling process: by cooling oil, deformed steel is cooled to 300-380 ℃, slowly is being cooled to room temperature.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104131224A (en) * | 2014-07-25 | 2014-11-05 | 合肥市东庐机械制造有限公司 | Wear-resistant impact-resistant alloy steel and manufacturing method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104131224A (en) * | 2014-07-25 | 2014-11-05 | 合肥市东庐机械制造有限公司 | Wear-resistant impact-resistant alloy steel and manufacturing method thereof |
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Application publication date: 20131218 |