CN101649424A - Novel heat resistant steel - Google Patents
Novel heat resistant steel Download PDFInfo
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- CN101649424A CN101649424A CN200910168425A CN200910168425A CN101649424A CN 101649424 A CN101649424 A CN 101649424A CN 200910168425 A CN200910168425 A CN 200910168425A CN 200910168425 A CN200910168425 A CN 200910168425A CN 101649424 A CN101649424 A CN 101649424A
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Abstract
The invention relates to novel heat resistant steel which belongs to the technical field of alloy steel. The heat resistant steel is characterized in that a small amount of rare earth elements and some other trace elements are added to ordinary heat resistant steel, so that the use quantity of metal nickel is reduced, the performance of the heat resistant steel reaches or exceeds that of the sametype of heat resistant steel containing nickel with high content, and the production cost of the heat resistant steel is reduced. The novel heat resistant steel has higher temperature intensity, goodanti-oxidation performance, good corrosion resistant performance, good wearproof performance, good creep resistant performance and good impact resistant performance. The highest working temperature ofthe novel heat resistant steel can reach 1200 DEG C and the novel heat resistant steel is widely suitable for furnace rollers of stainless steel super-fusion furnaces, furnace rollers and radiant tubes of various annealing furnaces and the like.
Description
Affiliated technical field
The invention belongs to the steel alloy technical field, relate to a kind of New Heat-Resistant Steel.
Background technology
In the prior art, austenitic heat-resistance steel mainly with chromium nickel as alloying element, be characterized in that nickel content is higher in the steel, and costing an arm and a leg of nickel makes that the production cost of high temperature steel is higher.High temperature steel model commonly used in the industry has: ZG45Ni35Cr26, ZG35Cr18Ni24Si2, Cr25Ni35.
Summary of the invention
The purpose of this invention is to provide a kind ofly added that trace rare-earth element, nickel content are low, high temperature resistant, corrosion-resistant, wear-resistant, anti-oxidant, creep resistance, shock resistance, New Heat-Resistant Steel that production cost is lower, this high temperature steel can substitute ZG45Ni35Cr26, ZG35Cr18Ni24Si2, Cr25Ni35 uses, and the performance of its high temperature steel has met or exceeded alternative steel grade.
In order to achieve the above object, a kind of New Heat-Resistant Steel of the present invention mainly is made up of C, Si, Mn, P, S, Cr, Ni, Mo, Al, Cu, Co, Ti, Nb, V, W, Pb, B, Sn, As, Bi, Ca, Fe element, and the weight percent of its high temperature steel chemical ingredients is: C0.65～0.75%; Si 0.7～1.0%; Mn 1.0～1.2%; P 0.0005～0.0010%; S 0.005～0.006%; Cr28～29%; Ni20.5～21.0%; Mo 0.55～0.60%; Al 0.022～0.026%; Co 0.11～0.12%; Ti 0.0010～0.0015%; Nb0.65～0.70%; V 0.055～0.065%; W 1.20～1.25%; Pb 0.00020～0.00025%; B 0.0005～0.0006%; Sn 0.0065～0.0075%; As 0.00010～0.00013%; Bi0.00010～0.00014%; Ca 0.0015～0.0025%; Fe 44.8～45.5%.
Embodiment:
The raw material of above-mentioned high temperature steel is added in the medium-frequency induction furnace according to proportioning, it is smelted into molten steel and is cast into ingot, steel ingot is forged caused bar then, again bar is processed into sample, at high temperature test.
High temperature steel of the present invention and existing steel grade performance comparison test table look-up
The high temperature steel performance that high temperature steel of the present invention as can be seen from the above table is higher than similar trade mark nickel content is superior.
The invention has the beneficial effects as follows:
Nb, Ti have been added in this high temperature steel, improved the hot strength of steel, add Si, Al and improved anti-carburizing energy and the high temperature oxidation resistance of steel, reduced the consumption of Ni, it is low to have reduced production cost, and that this steel has is high temperature resistant preferably, corrosion-resistant, wear-resistant, anti-oxidant, creep resistance, shock resistance.
Embodiment 1, with the raw material of high temperature steel as following weight percent for dropping into medium-frequency induction furnace: C0.75%; Si 1.0%; Mn 1.2%; P 0.0010%; S 0.006%; Cr 29%; Ni21.0%; Mo 0.60%; Al 0.026%; Co 0.12%; Ti 0.0015%; Nb 0.70%; V 0.065%; W 1.25%; Pb0.00025%; B 0.0006%; Sn 0.0075%; As0.00013%; Bi 0.00014%; Ca 0.0025%; Fe 45.5%, and it is smelted into molten steel and is cast into steel ingot, and this steel ingot is New Heat-Resistant Steel.
Claims (2)
1, a kind of New Heat-Resistant Steel, it is characterized in that the weight percent of high temperature steel chemical ingredients is: C 0.65～0.75%; Si 0.7～1.0%; Mn 1.0～1.2%; P 0.0005～0.0010%; S 0.005～0.006%; Cr28～29%; Ni20.5～21.0%; Mo 0.55～0.60%; Al 0.022～0.026%; Co 0.11～0.12%; Ti 0.0010～0.0015%; Nb0.65～0.70%; V 0.055～0.065%; W 1.20～1.25%; Pb0.00020～0.00025%; B 0.0005～0.0006%; Sn 0.0065～0.0075%; As0.00010～0.00013%; Bi 0.00010～0.00014%; Ca 0.0015～0.0025%; Fe 44.8～45.5%.
2, a kind of New Heat-Resistant Steel according to claim 1 is characterized in that W content is 1.20～1.25% in the Chemical Composition of steel, and Nb content is 0.65～0.70%, and V content is 0.055～0.065%, and Ca content is 0.0015～0.0025%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910168425A CN101649424A (en) | 2009-08-18 | 2009-08-18 | Novel heat resistant steel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910168425A CN101649424A (en) | 2009-08-18 | 2009-08-18 | Novel heat resistant steel |
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| Publication Number | Publication Date |
|---|---|
| CN101649424A true CN101649424A (en) | 2010-02-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200910168425A Pending CN101649424A (en) | 2009-08-18 | 2009-08-18 | Novel heat resistant steel |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103667982A (en) * | 2013-11-08 | 2014-03-26 | 张超 | Corrosion-resistant, wear-resistant and high-temperature-resistant alloy steel material for pump valve and preparation method thereof |
| CN103882341A (en) * | 2014-03-21 | 2014-06-25 | 广州有色金属研究院 | Wear-resistant heat-resistant alloy material and preparation method thereof |
| CN104404392A (en) * | 2014-11-05 | 2015-03-11 | 无锡阳工机械制造有限公司 | Turbine rotor alloy |
| CN105033501A (en) * | 2015-08-03 | 2015-11-11 | 合肥通用机械研究院 | Microalloying 35Cr45NiNb welding wire for ethylene cracking furnace pipe |
| CN105838961A (en) * | 2016-04-20 | 2016-08-10 | 苏州市相城区明达复合材料厂 | Abrasion-resistant metal blade for cutting |
| CN107686927A (en) * | 2017-08-25 | 2018-02-13 | 苏州双金实业有限公司 | A kind of strong heat resistant type stainless steel |
| CN109402490A (en) * | 2019-01-04 | 2019-03-01 | 四川六合锻造股份有限公司 | A method of improving the high-temperature behavior of Blade Steel containing Nb |
| CN112322989A (en) * | 2020-11-23 | 2021-02-05 | 浙江宝武钢铁有限公司 | High-temperature-resistant wear-resistant bearing steel |
-
2009
- 2009-08-18 CN CN200910168425A patent/CN101649424A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103667982A (en) * | 2013-11-08 | 2014-03-26 | 张超 | Corrosion-resistant, wear-resistant and high-temperature-resistant alloy steel material for pump valve and preparation method thereof |
| CN103882341A (en) * | 2014-03-21 | 2014-06-25 | 广州有色金属研究院 | Wear-resistant heat-resistant alloy material and preparation method thereof |
| CN103882341B (en) * | 2014-03-21 | 2015-12-30 | 广州有色金属研究院 | A kind of antiwear heat resisting alloy material and preparation method thereof |
| CN104404392A (en) * | 2014-11-05 | 2015-03-11 | 无锡阳工机械制造有限公司 | Turbine rotor alloy |
| CN105033501A (en) * | 2015-08-03 | 2015-11-11 | 合肥通用机械研究院 | Microalloying 35Cr45NiNb welding wire for ethylene cracking furnace pipe |
| CN105838961A (en) * | 2016-04-20 | 2016-08-10 | 苏州市相城区明达复合材料厂 | Abrasion-resistant metal blade for cutting |
| CN107686927A (en) * | 2017-08-25 | 2018-02-13 | 苏州双金实业有限公司 | A kind of strong heat resistant type stainless steel |
| CN109402490A (en) * | 2019-01-04 | 2019-03-01 | 四川六合锻造股份有限公司 | A method of improving the high-temperature behavior of Blade Steel containing Nb |
| CN109402490B (en) * | 2019-01-04 | 2020-12-11 | 四川六合特种金属材料股份有限公司 | Method for improving high-temperature performance of Nb-containing blade steel |
| CN112322989A (en) * | 2020-11-23 | 2021-02-05 | 浙江宝武钢铁有限公司 | High-temperature-resistant wear-resistant bearing steel |
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Open date: 20100217 |