CN110814030A - Heat-resistant composite stainless steel and hot rolling production process thereof - Google Patents
Heat-resistant composite stainless steel and hot rolling production process thereof Download PDFInfo
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- CN110814030A CN110814030A CN201910962103.9A CN201910962103A CN110814030A CN 110814030 A CN110814030 A CN 110814030A CN 201910962103 A CN201910962103 A CN 201910962103A CN 110814030 A CN110814030 A CN 110814030A
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- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 31
- 239000010935 stainless steel Substances 0.000 title claims abstract description 31
- 239000002131 composite material Substances 0.000 title claims abstract description 24
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- 238000005098 hot rolling Methods 0.000 title claims abstract description 18
- 238000010438 heat treatment Methods 0.000 claims abstract description 113
- 238000005242 forging Methods 0.000 claims abstract description 13
- 239000012535 impurity Substances 0.000 claims abstract description 7
- 238000005096 rolling process Methods 0.000 claims description 44
- 239000002994 raw material Substances 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 4
- 238000005261 decarburization Methods 0.000 abstract description 3
- 238000003912 environmental pollution Methods 0.000 abstract description 3
- 230000003647 oxidation Effects 0.000 abstract description 3
- 238000007254 oxidation reaction Methods 0.000 abstract description 3
- 238000010008 shearing Methods 0.000 abstract description 3
- 230000002349 favourable effect Effects 0.000 abstract description 2
- 238000002485 combustion reaction Methods 0.000 description 5
- 239000011651 chromium Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910011212 Ti—Fe Inorganic materials 0.000 description 1
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910000423 chromium oxide Inorganic materials 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B3/00—Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences ; Rolling of aluminium, copper, zinc or other non-ferrous metals
- B21B3/02—Rolling special iron alloys, e.g. stainless steel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/22—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
-
- 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
- B21B45/004—Heating the product
-
- 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
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- 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
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
-
- 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
- C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
-
- 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
-
- 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
- C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/22—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
- B21B2001/225—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length by hot-rolling
Abstract
The invention discloses a heat-resistant composite stainless steel and a hot rolling production process thereof, wherein the composite stainless steel comprises the following components in percentage by weight: c is less than or equal to 0.02, Si is less than or equal to 0.038, Mn is less than or equal to 0.58, P is less than or equal to 0.018, S is less than or equal to 0.001, Cr is less than or equal to 19.45, Ni is less than or equal to 19.1, Mo is less than or equal to 0.91, Ti is less than or equal to 0.19, Al is less than or equal to 0.21, and the balance of Fe and inevitable small impurities; the invention adopts the gas forging furnace for heating, has faster heating speed, higher production efficiency and less oxidation and decarburization, saves energy, reduces emission and reduces environmental pollution; a TiC layer is generated on a stainless steel interface in the heating process, and the TiC layer with a certain thickness is continuously and uniformly distributed, so that the bonding strength of the interface can be improved; in the continuous heating process, TiC increases along with the temperature rise, the tearing-shaped appearance of the fracture is obvious, and the plate blank is favorable for obtaining high shearing strength.
Description
Technical Field
The invention belongs to the technical field of stainless steel production, and particularly relates to heat-resistant composite stainless steel and a hot rolling production process thereof.
Background
The composite stainless steel is a low-consumption, high-efficiency, energy-saving and environment-friendly product, has the characteristics of stainless steel and common steel, has very high strength, good toughness and ductility, good absorption capacity for collision and excellent corrosion resistance, and can form a thin and compact protective chromium oxide passivation film on the surface when exposed in water or air.
The following problems often exist in the existing composite stainless steel production technology: 1) in the heating process, the heat conduction efficiency is not high, the energy consumption is increased, the environmental protection is not facilitated, and meanwhile, the situation that the heating time is too long when the temperature does not reach can occur; 2) The production mode of compounding multiple elements is easy to cause the phenomenon of falling off because the bonding strength of each interface cannot be achieved.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide the heat-resistant composite stainless steel and the hot rolling production process thereof, a gas forging furnace is adopted for heating, the heating speed is higher, the production efficiency is higher, the oxidation and decarburization are less, and meanwhile, the energy is saved, the emission is reduced, and the environmental pollution is reduced; a TiC layer is generated on a stainless steel interface in the heating process, and the TiC layer with a certain thickness is continuously and uniformly distributed, so that the bonding strength of the interface can be improved; in the continuous heating process, TiC increases along with the temperature rise, the tearing-shaped appearance of the fracture is obvious, and the plate blank is favorable for obtaining high shearing strength.
In order to achieve the purpose, the invention adopts the technical scheme that:
a heat-resistant composite stainless steel and a hot rolling production process thereof comprise the following components in percentage by weight: c is less than or equal to 0.02, Si is less than or equal to 0.038, Mn is less than or equal to 0.58, P is less than or equal to 0.018, S is less than or equal to 0.001, Cr is less than or equal to 19.45, Ni is less than or equal to 19.1, Mo is less than or equal to 0.91, Ti is less than or equal to 0.19, Al is less than or equal to 0.21, and the balance of Fe and inevitable small impurities;
the process comprises the following steps:
1) heating: taking the raw materials of the components to enter a heating furnace for heating in a preheating section, adjusting the preheating temperature to 727-750 ℃, and heating for 59-80 minutes;
2) after the preheating is finished, entering a heating section, wherein the heating temperature is 1078-;
3) entering a heating second stage after the heating first stage is finished, wherein the temperature of the heating second stage is 1232-;
4) after the heating second section is finished, entering a heating equalizing section, wherein the temperature of the heating equalizing section is 1241-;
5) rough rolling: roughly rolling the heated plate blank, closing high-pressure dephosphorization water, and controlling the temperature of a rough rolling outlet at 1119-;
6) finish rolling: performing finish rolling by adopting 6-8 finish rolling mills, wherein the tension between the stands is 3-15MPa, the finish rolling inlet temperature is controlled between 1025 and 1060 ℃, and the finish rolling temperature is controlled between 990 and 1020 ℃;
7) coiling: the coiling temperature is 730 ℃ and 750 ℃, and the coiling tension is 3-15 tons.
Preferably, the heating is performed by adopting a gas forging furnace, and the gas forging furnace is an improved furnace type which is provided with gas generated by a gas generating furnace for combustion heating on the basis of an original coal-fired heating furnace.
Preferably, the total heating time of the plate blank is reasonably controlled to be 245 +/-20 minutes, so that the situation that the time is insufficient, the strength of the plate blank cannot be achieved, and the situation that the whole quality of the plate blank is influenced due to too long time is prevented.
Further, the heat-resistant composite stainless steel and the hot rolling production process thereof comprise the following components in percentage by weight: c is less than or equal to 0.02, Si is less than or equal to 0.2, Mn is less than or equal to 0.83, P is less than or equal to 0.017, S is less than or equal to 0.001, Cr is less than or equal to 20.75, Ni is less than or equal to 31.36, Cu is less than or equal to 0.04, Ti is less than or equal to 0.31, Al is less than or equal to 0.23, and the balance of Fe and inevitable small impurities;
the process comprises the following steps:
1) heating: taking the raw materials of the components to carry out preheating section heating, adjusting the preheating temperature to 670-;
2) after the preheating is finished, entering a heating section, wherein the heating temperature is 1105-1150 ℃, and the heating time is 92-110 minutes, and the TiC layer with a certain thickness and continuous uniformity generated on the stainless steel interface can improve the bonding strength of the interface;
3) entering a heating second stage after the heating first stage is finished, wherein the temperature of the heating second stage is 1234-1400 ℃, and the heating time lasts for 57-72 minutes;
4) entering a heating equalizing section after the heating second section is finished, wherein the temperature of the heating equalizing section is 1242-1255 ℃, and the heating time lasts for 37-45 minutes;
5) rough rolling: roughly rolling the heated plate blank, closing high-pressure dephosphorization water, and controlling the temperature of a rough rolling outlet at 1117-;
6) finish rolling: carrying out finish rolling by adopting 5-7 finish rolling mills, wherein the tension between the stands is 3-15MPa, the inlet temperature of the finish rolling is controlled between 1050-1025 ℃ and the finish rolling temperature is controlled between 980-1025 ℃;
7) coiling: the coiling temperature is 730 ℃ and 750 ℃, and the coiling tension is 5 to 18 tons.
Preferably, the heating is performed by adopting a gas forging furnace, and the gas forging furnace is an improved furnace type which is provided with gas generated by a gas generating furnace for combustion heating on the basis of an original coal-fired heating furnace.
Preferably, the total heating time of the plate blank is reasonably controlled to be 245 +/-20 minutes, so that the situation that the time is insufficient, the strength of the plate blank cannot be achieved, and the situation that the whole quality of the plate blank is influenced due to too long time is prevented.
Compared with the prior art, the invention has the beneficial effects that:
1) compared with the combustion chamber of the original coal-fired heating furnace, the gas forging furnace is more direct, the gas produced by the gas generating furnace is sprayed and combusted into the heating chamber by using the gas burner, the heating speed is higher, the production efficiency is higher, the oxidation and decarburization are less, and meanwhile, the energy is saved, the emission is reduced, and the environmental pollution is reduced.
2) After the heating is finished for a period of time, the TiC layer generated on the stainless steel interface can effectively reduce the generation of interface brittle metal compounds and Ti-Fe brittle compounds, so that the TiC layer with a certain continuous and uniform thickness can improve the bonding strength of the interface.
3) When the composite plate is heated for the second period, TiC is increased along with the temperature rise, metal oxides on a temperature rise interface are increased simultaneously, a fracture layer of the composite plate is in brittle fracture, the tearing shape of the fracture is obvious, and the plate blank of the composite plate obtains high shearing strength.
The attached table 1 shows the performance test results of the composite stainless steel slab of the invention and different embodiments of the hot rolling production process;
Detailed Description
For the convenience of understanding of those skilled in the art, the following will be made to further specify the results and properties of the technical solutions of the present invention in conjunction with the attached table 1.
Embodiment mode 1:
a heat-resistant composite stainless steel and a hot rolling production process thereof comprise the following components in percentage by weight: c is 0.02, Si is 0.038, Mn is 0.58, P is 0.018, S is 0.001, Cr is 19.45, Ni is 19.1, Mo is 0.91, Ti is 0.19, Al is 0.21, and the balance is Fe and inevitable small amounts of impurities;
a hot rolling production method of heat-resistant stainless steel comprises the following steps of:
1) heating: taking the raw materials of the components, putting the raw materials into a heating furnace, heating the raw materials in a preheating section, adjusting the preheating temperature to 727 ℃, and heating for 59 minutes;
2) after the preheating is finished, the step of heating is carried out for a first period at the temperature of 1078 ℃ for 92 minutes, and at the moment, the bonding strength of the interface can be improved by a continuous and uniform TiC layer generated on the stainless steel interface;
3) after the first heating stage is finished, the mixture enters a second heating stage, the temperature of the second heating stage is 1232 ℃, and the heating time lasts for 52 minutes;
4) after the second heating stage is finished, the mixture enters a uniform heating stage, the temperature of the uniform heating stage is 1241 ℃, and the heating time lasts 39 minutes;
5) rough rolling: roughly rolling the heated plate blank, closing high-pressure dephosphorization water, and controlling the temperature of a roughly rolled outlet at 1119 ℃;
6) finish rolling: performing finish rolling by adopting 6 finishing mills, wherein the tension between frames is 8MPa, the inlet temperature of finish rolling is controlled between 1025 ℃, and the finishing temperature is controlled between 990 ℃;
7) coiling: the coiling temperature is 730 ℃, and the coiling tension is 8 tons.
The heating adopts a gas forging furnace, and the gas forging furnace is an improved furnace type which is provided with gas generated by a gas generating furnace for combustion heating on the basis of the original coal-fired heating furnace.
The total heating time of the plate blank is reasonably controlled to be 250 minutes, so that the insufficient time is prevented, the strength of the plate blank cannot be achieved, and the influence on the whole quality of the plate blank due to overlong time is also prevented.
Embodiment mode 2:
a heat-resistant composite stainless steel and a hot rolling production process thereof comprise the following components in percentage by weight: c is 0.02, Si is 0.2, Mn is 0.83, P is 0.017, S is 0.001, Cr is 20.75, Ni is 31.36, Cu is 0.04, Ti is 0.31, Al is 0.23, and the balance is Fe and inevitable small amounts of impurities;
a hot rolling production method of heat-resistant stainless steel comprises the following steps of:
1) heating: taking the raw materials of the components to perform preheating section heating, adjusting the preheating temperature to 670 ℃ for heating, and the heating time is 58 minutes;
2) after the preheating is finished, the step of heating is carried out for a first time, the temperature of the heating for the first time is 1105 ℃, the heating time is 92 minutes, and at the moment, the continuous and uniform TiC layer generated on the stainless steel interface can improve the bonding strength of the interface;
3) after the first heating stage is finished, the mixture enters a second heating stage, the temperature of the second heating stage is 1234 ℃, and the heating time lasts 57 minutes;
4) after the second heating stage is finished, the mixture enters a uniform heating stage, the temperature of the uniform heating stage is 1242 ℃, and the heating time lasts 37 minutes;
5) rough rolling: roughly rolling the heated plate blank, closing high-pressure dephosphorization water, and controlling the temperature of a roughly rolled outlet at 1117 ℃;
6) finish rolling: carrying out finish rolling by adopting 7 finish rolling machines, wherein the tension between the frames is 8MPa, the inlet temperature of the finish rolling is controlled between 1050 ℃ and 1065 ℃, and the finish rolling temperature is controlled between 980 ℃;
7) coiling: the coiling temperature is 730 ℃ and 750 ℃, and the coiling tension is 8 tons.
The heating adopts a gas forging furnace, and the gas forging furnace is an improved furnace type which is provided with gas generated by a gas generating furnace for combustion heating on the basis of the original coal-fired heating furnace.
The total heating time of the plate blank is reasonably controlled to 245 minutes, so that the defects of insufficient time, insufficient plate blank strength and influence on the whole quality of the plate blank due to overlong time are prevented.
Table 1:
the foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the present invention as defined in the accompanying claims.
Claims (6)
1. A heat-resistant composite stainless steel and a hot rolling production process thereof are characterized in that the composite stainless steel comprises the following components in percentage by weight: c is less than or equal to 0.02, Si is less than or equal to 0.038, Mn is less than or equal to 0.58, P is less than or equal to 0.018, S is less than or equal to 0.001, Cr is less than or equal to 19.45, Ni is less than or equal to 19.1, Mo is less than or equal to 0.91, Ti is less than or equal to 0.19, Al is less than or equal to 0.21, and the balance of Fe and inevitable small impurities;
the process comprises the following steps:
1) heating: taking the raw materials of the components to enter a heating furnace for heating in a preheating section, adjusting the preheating temperature to 727-750 ℃, and heating for 59-80 minutes;
2) after the preheating is finished, entering a heating section, wherein the heating temperature is 1078 and 1050 ℃, and the heating time is 92-110 minutes;
3) entering a heating second stage after the heating first stage is finished, wherein the temperature of the heating second stage is 1232-;
4) after the heating second section is finished, entering a heating equalizing section, wherein the temperature of the heating equalizing section is 1241-;
5) rough rolling: roughly rolling the heated plate blank, closing high-pressure dephosphorization water, and controlling the temperature of a rough rolling outlet at 1119-;
6) finish rolling: performing finish rolling by adopting 6-8 finish rolling mills, wherein the tension between the stands is 3-15MPa, the finish rolling inlet temperature is controlled between 1025 and 1060 ℃, and the finish rolling temperature is controlled between 990 and 1020 ℃;
7) coiling: the coiling temperature is 730 ℃ and 750 ℃, and the coiling tension is 3-15 tons.
2. The heat-resistant composite stainless steel and hot rolling process according to claim 1, wherein the heating is performed in a gas forging furnace.
3. The heat-resistant composite stainless steel and hot rolling process according to claim 1, wherein the total heating time of the slab is reasonably controlled to 245 ± 20 minutes.
4. A heat-resistant composite stainless steel and a hot rolling production process thereof are characterized in that the composite stainless steel comprises the following components in percentage by weight: c is less than or equal to 0.02, Si is less than or equal to 0.2, Mn is less than or equal to 0.83, P is less than or equal to 0.017, S is less than or equal to 0.001, Cr is less than or equal to 20.75, Ni is less than or equal to 31.36, Cu is less than or equal to 0.04, Ti is less than or equal to 0.31, Al is less than or equal to 0.23, and the balance of Fe and inevitable small impurities;
the process comprises the following steps:
1) heating: taking the raw materials of the components to carry out preheating section heating, adjusting the preheating temperature to 670-;
2) after the preheating is finished, entering a heating section, wherein the heating temperature is 1105-1150 ℃, and the heating time is 92-110 minutes;
3) entering a heating second stage after the heating first stage is finished, wherein the temperature of the heating second stage is 1234-1400 ℃, and the heating time lasts for 57-72 minutes;
4) entering a heating equalizing section after the heating second section is finished, wherein the temperature of the heating equalizing section is 1242-1255 ℃, and the heating time lasts for 37-45 minutes;
5) rough rolling: roughly rolling the heated plate blank, closing high-pressure dephosphorization water, and controlling the temperature of a rough rolling outlet at 1117-;
6) finish rolling: carrying out finish rolling by adopting 5-7 finish rolling mills, wherein the tension between the stands is 3-15MPa, the inlet temperature of the finish rolling is controlled between 1050-1025 ℃ and the finish rolling temperature is controlled between 980-1025 ℃;
7) coiling: the coiling temperature is 730 ℃ and 750 ℃, and the coiling tension is 5 to 18 tons.
5. The heat-resistant composite stainless steel and hot rolling process according to claim 1, wherein the heating is performed in a gas forging furnace.
6. The heat-resistant composite stainless steel and hot rolling process according to claim 1, wherein the total heating time of the slab is reasonably controlled to 245 ± 20 minutes.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113584401A (en) * | 2021-08-03 | 2021-11-02 | 山东盛阳金属科技股份有限公司 | 310S heat-resistant steel hot continuous rolling plate coil and processing technology thereof |
| CN113600615A (en) * | 2021-08-05 | 2021-11-05 | 山东盛阳金属科技股份有限公司 | Double-sided composite plate coil hot rolling and rolling process thereof |
| CN113621889A (en) * | 2021-08-10 | 2021-11-09 | 山东盛阳金属科技股份有限公司 | N06600 iron-nickel base alloy hot continuous rolling plate coil and acid pickling process thereof |
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| JP2003154401A (en) * | 2001-11-20 | 2003-05-27 | Nippon Steel Corp | Hot-rolling method for steel |
| CN101245435A (en) * | 2007-02-16 | 2008-08-20 | 宝山钢铁股份有限公司 | Method for producing hot-rolled ferritic stainless steel strip steel |
| CN103290320A (en) * | 2013-04-28 | 2013-09-11 | 首钢总公司 | Hot rolling multiphase steel and production method thereof |
| CN103506383A (en) * | 2013-09-26 | 2014-01-15 | 山西太钢不锈钢股份有限公司 | Method for hot-rolling manufacture of ultra-pure ferrite stainless steel |
| CN106694567A (en) * | 2016-11-22 | 2017-05-24 | 首钢京唐钢铁联合有限责任公司 | Heating method for IF steel in ferrite rolling |
| CN109128714A (en) * | 2018-10-13 | 2019-01-04 | 山东盛阳金属科技股份有限公司 | A kind of Stainless Steel-Carbon Steel Clad Sheet hot continuous rolling large-scale preparation method |
| CN110252809A (en) * | 2019-07-01 | 2019-09-20 | 山西太钢不锈钢股份有限公司 | The method of chrome ferritic stainless steel rough surface band in reduction |
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| CN113584401A (en) * | 2021-08-03 | 2021-11-02 | 山东盛阳金属科技股份有限公司 | 310S heat-resistant steel hot continuous rolling plate coil and processing technology thereof |
| CN113600615A (en) * | 2021-08-05 | 2021-11-05 | 山东盛阳金属科技股份有限公司 | Double-sided composite plate coil hot rolling and rolling process thereof |
| CN113621889A (en) * | 2021-08-10 | 2021-11-09 | 山东盛阳金属科技股份有限公司 | N06600 iron-nickel base alloy hot continuous rolling plate coil and acid pickling process thereof |
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