CN108004486A - A kind of high heat resisting steel new material of intensity - Google Patents
A kind of high heat resisting steel new material of intensity Download PDFInfo
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- CN108004486A CN108004486A CN201711287731.9A CN201711287731A CN108004486A CN 108004486 A CN108004486 A CN 108004486A CN 201711287731 A CN201711287731 A CN 201711287731A CN 108004486 A CN108004486 A CN 108004486A
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- new material
- heat resisting
- resisting steel
- high heat
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- 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/04—Making ferrous alloys by melting
-
- 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
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
-
- 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
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
-
- 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
-
- 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/52—Ferrous alloys, e.g. steel alloys containing chromium with nickel with cobalt
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
- Treatment Of Steel In Its Molten State (AREA)
Abstract
It is disclosed by the invention to belong to new material technology field, be specially：A kind of high heat resisting steel new material of intensity, the constituent of the high heat resisting steel new material of the intensity are as follows：Carbon：0.03 0.1 parts；Chromium：0.8 1.2 parts；Tungsten：1.5 3 parts；Cobalt：0.9 1.3 parts；Vanadium：1.1 1.3 parts；Niobium：0.2 0.4 parts；Nickel：0.08 0.1 parts；Silicon：0.4 0.6 parts；Molybdenum：23 parts；Niobium：0.4 0.6 parts；Vanadium：0.6 0.8 parts；Boron：0.02 0.03 parts and 80 90 parts of iron, the preparation method of the high heat resisting steel new material of the intensity carries out just refining using vaccum sensitive stove, then refined again using electroslag remelting, last moulding by casting, the just refining temperature is 1,560 1620 degrees Celsius, when time is 12 small, the refining temperature is 1,550 1590 degrees Celsius, when time is 35 small, thermal coefficient of expansion is small, and thermal fatigue strength is high, it is and of low cost, boron element is added, improves loud and sonorous creep strength, substantially improves the problem of heat resisting steel creep rupture strength is low.
Description
Technical field
The present invention relates to new material technology field, is specially a kind of high heat resisting steel new material of intensity.
Background technology
There is the steel alloy of higher intensity and good chemical stability at high temperature.It include oxidation resistant steel (or
High temperature non-scaling steel) and two class of refractory steel.Oxidation resistant steel generally requires preferable chemical stability, but the load born is relatively low.
Refractory steel then more demanding elevated temperature strength and corresponding inoxidizability.Heat resisting steel is usually used in manufacturing boiler, steam turbine, engine
The parts to work at high temperature in the industrial department such as tool, industrial furnace and aviation, petrochemical industry.Existing heat-resisting hardness of steel is low,
Fatigue resistance is low, and creep rupture strength can not meet using needs, for this reason, a kind of it is proposed that high heat resisting steel new material of intensity.
The content of the invention
It is an object of the invention to provide a kind of high heat resisting steel new material of intensity, to solve to propose in above-mentioned background technology
Existing heat-resisting hardness of steel it is low, fatigue resistance is low, and creep rupture strength can not meet the problem of use needs.
To achieve the above object, the present invention provides following technical solution：A kind of high heat resisting steel new material of intensity, the intensity
The constituent of high heat resisting steel new material is as follows：
Carbon：0.03-0.1 parts；Chromium：0.8-1.2 parts；Tungsten：1.5-3 part；Cobalt：0.9-1.3 parts；Vanadium：1.1-1.3 part；Niobium：
0.2-0.4 parts；Nickel：0.08-0.1 parts；Silicon：0.4-0.6 parts；Molybdenum：2-3 parts；Niobium：0.4-0.6 parts；Vanadium：0.6-0.8 parts；Boron：
0.02-0.03 parts and 80-90 parts of iron.
Preferably, the content of phosphorus is less than 0.02% in the high heat resisting steel new material of the intensity, and the content of sulphur is less than
0.03%.
Preferably, the molybdenum is 2.5 parts, and the molybdenum is by molybdenum dioxide halogenation, is then heat-treated again, then use
The method of Hydrolyze method discharge metal halide is made.
Preferably, the niobium is 0.3 part.
Preferably, the boron is 0.025 part.
Preferably, the preparation method of the high heat resisting steel new material of the intensity carries out just refining, Ran Houzai using vaccum sensitive stove
Refined using electroslag remelting, last moulding by casting.
Preferably, the just refining temperature is 1560-1620 degrees Celsius, and when the time is 1-2 small, the refining temperature is
1550-1590 degrees Celsius, when the time is 3-5 small.
Compared with prior art, the beneficial effects of the invention are as follows：The high heat resisting steel green wood of a kind of intensity that the invention proposes
Material, thermal coefficient of expansion is small, and thermal fatigue strength is high, and of low cost, adds boron element, improves loud and sonorous creep strength, significantly
Improve the problem of heat resisting steel creep rupture strength is low.
Embodiment
It is clearly and completely described below in conjunction with the technical solution in the embodiment of the present invention, it is clear that described reality
It is only part of the embodiment of the present invention to apply example, instead of all the embodiments.Based on the embodiments of the present invention, this area is general
Logical technical staff all other embodiments obtained without making creative work, belong to what the present invention protected
Scope.
The present invention provides a kind of intensity high heat resisting steel new material, and the constituent of the high heat resisting steel new material of the intensity is such as
Under：
Carbon：0.03-0.1 parts；Chromium：0.8-1.2 parts；Tungsten：1.5-3 part；Cobalt：0.9-1.3 parts；Vanadium：1.1-1.3 part；Niobium：
0.2-0.4 parts；Nickel：0.08-0.1 parts；Silicon：0.4-0.6 parts；Molybdenum：2-3 parts；Niobium：0.4-0.6 parts；Vanadium：0.6-0.8 parts；Boron：
0.02-0.03 parts and 80-90 parts of iron.
Wherein, the content of phosphorus is less than 0.02% in the high heat resisting steel new material of the intensity, and the content of sulphur is less than 0.03%,
The molybdenum is 2.5 parts, and the molybdenum is by molybdenum dioxide halogenation, is then heat-treated again, then discharges metal using Hydrolyze method
The method of halide is made, and the niobium is 0.3 part, and the boron is 0.025 part, the preparation of the high heat resisting steel new material of the intensity
Method carries out just refining using vaccum sensitive stove, is then refined again using electroslag remelting, last moulding by casting, and the just refining temperature is
1560-1620 degrees Celsius, when the time is 1-2 small, the refining temperature is 1550-1590 degrees Celsius, when the time is 3-5 small.
Embodiment 1
In the present embodiment, the constituent of the high heat resisting steel new material of the intensity is as follows：
Carbon：0.07 part；Chromium：1 part；Tungsten：2.3 part；Cobalt：1.1 part；Vanadium：1.2 part；Niobium：0.3 part；Nickel：0.09 part；Silicon：
0.5 part；Molybdenum：2.5 part；Niobium：0.5 part；Vanadium：0.7 part；Boron：0.025 part and 85 parts of iron, just refining is carried out using vaccum sensitive stove,
Then electroslag remelting is used to refine again, last moulding by casting, it is 1590 degrees Celsius just to refine temperature, when the time is 1.5 small, refining temperature
Spend for 1570 degrees Celsius, when the time is 4 small.
Embodiment 2
In the present embodiment, the constituent of the high heat resisting steel new material of the intensity is as follows：
Carbon：0.03 part；Chromium：0.8 part；Tungsten：3 parts；Cobalt：1.3 part；Vanadium：1.3 part；Niobium：0.4 part；Nickel：0.08 part；Silicon：
0.46 part；Molybdenum：2 parts；Niobium：0.4 part；Vanadium：- 0.8 part；Boron：0.02 part and 90 parts of iron, carry out just refining, so using vaccum sensitive stove
Electroslag remelting is used to refine again afterwards, last moulding by casting, it is 1620 degrees Celsius just to refine temperature, and when the time is 2 small, refining temperature is
1590 degrees Celsius, when the time is 5 small.
Embodiment 3
In the present embodiment, the constituent of the high heat resisting steel new material of the intensity is as follows：
Carbon：0.03 part；Chromium：1.2 part；Tungsten：3 parts；Cobalt：1.3 part；Vanadium：1.1 part；Niobium：0.4 part of 0.2-；Nickel：0.08 part；
Silicon：0.4 part；Molybdenum：3 parts；Niobium：0.4 part；Vanadium：0.8 part；Boron：0.03 part and 80 parts of iron, just refining is carried out using vaccum sensitive stove,
Then electroslag remelting is used to refine again, last moulding by casting, it is 1560 degrees Celsius just to refine temperature, when the time is 1 small, refining temperature
For 1550 degrees Celsius, when the time is 3 small.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of changes, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (7)
- A kind of 1. high heat resisting steel new material of intensity, it is characterised in that：The constituent of the high heat resisting steel new material of the intensity is such as Under：Carbon：0.03-0.1 parts；Chromium：0.8-1.2 parts；Tungsten：1.5-3 part；Cobalt：0.9-1.3 parts；Vanadium：1.1-1.3 part；Niobium：0.2- 0.4 part；Nickel：0.08-0.1 parts；Silicon：0.4-0.6 parts；Molybdenum：2-3 parts；Niobium：0.4-0.6 parts；Vanadium：0.6-0.8 parts；Boron：0.02- 0.03 part and 80-90 parts of iron.
- A kind of 2. high heat resisting steel new material of intensity according to claim 1, it is characterised in that：The high heat resisting steel of the intensity The content of phosphorus is less than 0.02% in new material, and the content of sulphur is less than 0.03%.
- A kind of 3. high heat resisting steel new material of intensity according to claim 1, it is characterised in that：The molybdenum is 2.5 parts, institute It is by molybdenum dioxide halogenation to state molybdenum, is then heat-treated again, then is made using the method for Hydrolyze method discharge metal halide.
- A kind of 4. high heat resisting steel new material of intensity according to claim 1, it is characterised in that：The niobium is 0.3 part.
- A kind of 5. high heat resisting steel new material of intensity according to claim 1, it is characterised in that：The boron is 0.025 part.
- A kind of 6. high heat resisting steel new material of intensity according to claim 1, it is characterised in that：The high heat resisting steel of the intensity The preparation method of new material carries out just refining using vaccum sensitive stove, is then refined again using electroslag remelting, last moulding by casting.
- A kind of 7. high heat resisting steel new material of intensity according to claim 6, it is characterised in that：Refining temperature is at the beginning of described 1560-1620 degrees Celsius, when the time is 1-2 small, the refining temperature is 1550-1590 degrees Celsius, when the time is 3-5 small.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711287731.9A CN108004486A (en) | 2017-12-07 | 2017-12-07 | A kind of high heat resisting steel new material of intensity |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711287731.9A CN108004486A (en) | 2017-12-07 | 2017-12-07 | A kind of high heat resisting steel new material of intensity |
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| Publication Number | Publication Date |
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| CN108004486A true CN108004486A (en) | 2018-05-08 |
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| CN201711287731.9A Pending CN108004486A (en) | 2017-12-07 | 2017-12-07 | A kind of high heat resisting steel new material of intensity |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1316540A (en) * | 2000-03-30 | 2001-10-10 | 住友金属工业株式会社 | Heat-resisting steel |
| CN105695881A (en) * | 2016-04-18 | 2016-06-22 | 东北大学 | Heat resistant steel for ultra-supercritical castings at 650 DEG C |
| CN106048413A (en) * | 2016-06-30 | 2016-10-26 | 四川六合锻造股份有限公司 | Method for reducing chain-shaped carbides of high-performance and heat-resistant stainless steel material |
-
2017
- 2017-12-07 CN CN201711287731.9A patent/CN108004486A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1316540A (en) * | 2000-03-30 | 2001-10-10 | 住友金属工业株式会社 | Heat-resisting steel |
| CN105695881A (en) * | 2016-04-18 | 2016-06-22 | 东北大学 | Heat resistant steel for ultra-supercritical castings at 650 DEG C |
| CN106048413A (en) * | 2016-06-30 | 2016-10-26 | 四川六合锻造股份有限公司 | Method for reducing chain-shaped carbides of high-performance and heat-resistant stainless steel material |
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Application publication date: 20180508 |