CN114196865A - NS1104 furnace tube for petroleum refining - Google Patents
NS1104 furnace tube for petroleum refining Download PDFInfo
- Publication number
- CN114196865A CN114196865A CN202111448774.7A CN202111448774A CN114196865A CN 114196865 A CN114196865 A CN 114196865A CN 202111448774 A CN202111448774 A CN 202111448774A CN 114196865 A CN114196865 A CN 114196865A
- Authority
- CN
- China
- Prior art keywords
- equal
- less
- furnace tube
- chemical component
- series
- 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.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C30/00—Alloys containing less than 50% by weight of each constituent
- C22C30/02—Alloys containing less than 50% by weight of each constituent containing copper
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/08—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/02—Rigid pipes of metal
Abstract
The invention discloses an NS1104 furnace tube for petroleum refining, which comprises chemical components of the furnace tube, wherein the chemical components of the furnace tube comprise 30-35% of Ni, 19-23% of Cr, less than or equal to 39% of Fe, less than or equal to 1.5% of Mn, 0.06-0.10% of C, less than or equal to 0.75% of Cu, less than or equal to 1.0% of Si, less than or equal to 0.015% of S, 0.15-0.60% of Ai, 0.15-0.60% of Ti and non-metallic impurities forming the furnace tube; a type: coarse series is less than or equal to 1.0, fine series is less than or equal to 1.0, B type: coarse series is less than or equal to 1.0, fine series is less than or equal to 1.0, C type: coarse series is less than or equal to 1.0, fine series is less than or equal to 1.0, D type: the coarse system is less than or equal to 1.0, the fine system is less than or equal to 1.0, and the DS is less than or equal to 1.0. The invention has high temperature endurance strength and good oxidation resistance; the performance index Rm is more than or equal to 450MPa, and the RPO.2 is more than or equal to 170MPa, and meets the requirements of ASTM E8.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of furnace tubes, in particular to the technical field of NS1104 furnace tubes for petroleum refining.
[ background of the invention ]
The heating furnace tube for the refining and chemical device in the petroleum industry is taken as a core component, and domestic owners and design houses mainly designate imported materials for a long time, so in order to overcome key indexes such as grain size, high-temperature performance and the like of materials and promote the localization of the furnace tube, the NS1104 furnace tube for the petroleum refining and chemical device is necessary to be provided.
[ summary of the invention ]
The invention aims to solve the problems in the prior art, and provides an NS1104 furnace tube for petroleum refining, which can enable key indexes such as grain size, high-temperature performance and the like to meet the requirements of ASTM/ASME A/SB407 standards and is beneficial to promoting the localization of the furnace tube.
In order to realize the aim, the invention provides an NS1104 furnace tube for petroleum refining, which comprises chemical components of the furnace tube, wherein the chemical components comprise Ni, Cr, Fe, Mn, C, Cu, Si, S, Ai and Ti, the chemical component of Ni is 30-35%, the chemical component of Cr is 19-23%, the chemical component of Fe is less than or equal to 39%, the chemical component of Mn is less than or equal to 1.5%, the chemical component of C is 0.06-0.10%, the chemical component of Cu is less than or equal to 0.75%, the chemical component of Si is less than or equal to 1.0%, the chemical component of S is less than or equal to 0.015%, the chemical component of Ai is 0.15-0.60%, the chemical component of Ti is 0.15-0.60%, and nonmetallic impurities of the furnace tube are formed; a type: coarse series is less than or equal to 1.0, fine series is less than or equal to 1.0, B type: coarse series is less than or equal to 1.0, fine series is less than or equal to 1.0, C type: coarse series is less than or equal to 1.0, fine series is less than or equal to 1.0, D type: the coarse system is less than or equal to 1.0, the fine system is less than or equal to 1.0, and the DS is less than or equal to 1.0.
Preferably, the sum of the chemical compositions of Ai and Ti is 0.90-1.00%.
Preferably, the A, B, C, D, DS totals less than 4.0 stages.
Preferably, the mechanical property of the furnace tube at the heat treatment state at room temperature is that Rm is more than or equal to 450MPa, RPO.2 is more than or equal to 170MPa, and A is more than or equal to 30 percent; mechanical property at 525 ℃, Rm is more than or equal to 432MPa, and RPO.2 is more than or equal to 108 MPa.
Preferably, the average grain size of the furnace tube is 2-5 grades.
Preferably, the furnace tube hardness is HBR less than or equal to 90.
Preferably, the inner and outer surfaces of the furnace tube are crack-free.
Preferably, the furnace tube has a thickness of +/-10%, and a minimum thickness of + 20% to-0% of the nominal wall thickness; and the length tolerance is 0-6 mm when the length tolerance is within 7.3m, and 10-15 mm when the length tolerance exceeds 7.3 m.
Preferably, the inner surface and the outer surface of the visual inspection product of the furnace tube are silvery white or silvery gray and are uniform, the visual inspection product has no defects of cracks, scars, pits and the like, and the bending degree of the tube is not more than 1mm/m and the total length of 6 mm.
The invention has the beneficial effects that: the invention has high temperature endurance strength and good oxidation resistance; the performance index Rm is more than or equal to 450MPa, and RPO.2 is more than or equal to 170MPa, and the requirements of ASTM E8 are met; the average grain size of grade 2-5 meets the requirements of ASTM E112; HBR is less than or equal to 90, and the furnace tube hardness is required by ASTM E18; the furnace tube thickness is +/-10%, and the minimum thickness is + 20% -0% of the nominal wall thickness; the length tolerance is within 7.3m, the allowable tolerance range is 0-6 mm, when the length tolerance exceeds 7.3m, the allowable tolerance range is 10-15 mm, and the tolerance meets the specification of ASTM A999; the furnace tube durability reaches the curve specified by ASME.
The features and advantages of the present invention will be described in detail by way of examples.
[ detailed description ] embodiments
The invention relates to an NS1104 furnace tube for petroleum refining, which comprises chemical components of the furnace tube, wherein the chemical components of the furnace tube comprise 30-35% of Ni, 19-23% of Cr, less than or equal to 39% of Fe, less than or equal to 1.5% of Mn, 0.06-0.10% of C, less than or equal to 0.75% of Cu, less than or equal to 1.0% of Si, less than or equal to 0.015% of S, 0.15-0.60% of Ai, 0.15-0.60% of Ti and non-metallic impurities forming the furnace tube; a type: coarse series is less than or equal to 1.0, fine series is less than or equal to 1.0, B type: coarse series is less than or equal to 1.0, fine series is less than or equal to 1.0, C type: coarse series is less than or equal to 1.0, fine series is less than or equal to 1.0, D type: the coarse system is less than or equal to 1.0, the fine system is less than or equal to 1.0, the DS is less than or equal to 1.0, the sum of chemical components of Ai and Ti is 0.90-1.00%, the total A, B, C, D, DS is less than 4.0 grade, the mechanical property at room temperature of the heat treatment state of the furnace tube is that Rm is more than or equal to 450MPa, RPO.2 is more than or equal to 170MPa, and A is more than or equal to 30%; mechanical properties at 525 ℃, Rm is more than or equal to 432MPa, RPO.2 is more than or equal to 108MPa, the average grain size of the furnace tube is 2-5 grade, the hardness and HBR of the furnace tube are less than or equal to 90, no crack exists on the inner surface and the outer surface of the furnace tube, the thickness of the furnace tube is +/-10 percent, and the minimum thickness is between 20 percent and-0 percent of the nominal wall thickness; the length tolerance is 0-6 mm when the single length tolerance is within 7.3m, the tolerance is 10-15 mm when the single length tolerance exceeds 7.3m, the inner and outer surfaces of the furnace tube visual observation product are silvery white or silvery gray and uniform, the defects such as cracks, scabs and pits are avoided, and the bending degree of the tube is not more than 1mm/m and the total length of 6 mm.
The working process of the invention is as follows:
the NS1104 furnace tube for petroleum refining has high-temperature endurance strength and good oxidation resistance in the working process; the performance index Rm is more than or equal to 450MPa, and RPO.2 is more than or equal to 170MPa, and the requirements of ASTM E8 are met; the average grain size of grade 2-5 meets the requirements of ASTM E112; HBR is less than or equal to 90, and the furnace tube hardness is required by ASTM E18; the furnace tube thickness is +/-10%, and the minimum thickness is + 20% -0% of the nominal wall thickness; the length tolerance is within 7.3m, the allowable tolerance range is 0-6 mm, when the length tolerance exceeds 7.3m, the allowable tolerance range is 10-15 mm, and the tolerance meets the specification of ASTM A999; the furnace tube durability reaches the curve specified by ASME.
The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.
Claims (9)
1. An NS1104 furnace tube for petroleum refining, which is characterized in that: the chemical components of the furnace tube comprise Ni, Cr, Fe, Mn, C, Cu, Si, S, Ai and Ti, wherein the chemical component of Ni is 30-35%, the chemical component of Cr is 19-23%, the chemical component of Fe is less than or equal to 39%, the chemical component of Mn is less than or equal to 1.5%, the chemical component of C is 0.06-0.10%, the chemical component of Cu is less than or equal to 0.75%, the chemical component of Si is less than or equal to 1.0%, the chemical component of S is less than or equal to 0.015%, the chemical component of Ai is 0.15-0.60%, the chemical component of Ti is 0.15-0.60%, and the furnace tube is formed by nonmetallic impurities; a type: coarse series is less than or equal to 1.0, fine series is less than or equal to 1.0, B type: coarse series is less than or equal to 1.0, fine series is less than or equal to 1.0, C type: coarse series is less than or equal to 1.0, fine series is less than or equal to 1.0, D type: the coarse system is less than or equal to 1.0, the fine system is less than or equal to 1.0, and the DS is less than or equal to 1.0.
2. The NS1104 furnace tube for oil refining of claim 1, wherein: the sum of the chemical compositions of Ai and Ti is 0.90-1.00%.
3. The NS1104 furnace tube for oil refining of claim 1, wherein: the A, B, C, D, DS totals less than 4.0 stages.
4. The NS1104 furnace tube for oil refining of claim 1, wherein: the furnace tube has the room temperature mechanical property in the heat treatment state, Rm is more than or equal to 450MPa, RPO.2 is more than or equal to 170MPa, and A is more than or equal to 30 percent; mechanical property at 525 ℃, Rm is more than or equal to 432MPa, and RPO.2 is more than or equal to 108 MPa.
5. The NS1104 furnace tube for oil refining of claim 1, wherein: the average grain size of the furnace tube is 2-5 grades.
6. The NS1104 furnace tube for oil refining of claim 1, wherein: the furnace tube hardness and HBR are less than or equal to 90.
7. The NS1104 furnace tube for oil refining of claim 1, wherein: the inner and outer surfaces of the furnace tube have no cracks.
8. The NS1104 furnace tube for oil refining of claim 1, wherein: the thickness of the furnace tube is +/-10 percent, and the minimum thickness is plus 20 percent to minus 0 percent of the nominal wall thickness; and the length tolerance is 0-6 mm when the length tolerance is within 7.3m, and 10-15 mm when the length tolerance exceeds 7.3 m.
9. The NS1104 furnace tube for oil refining of claim 1, wherein: the furnace tube visually inspects the inner and outer surfaces of the product to be silvery white or silvery gray, is uniform and consistent, has no defects of cracks, scars, pits and the like, and has the tube bending degree of not more than 1mm/m and the total length of 6 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111448774.7A CN114196865A (en) | 2021-12-01 | 2021-12-01 | NS1104 furnace tube for petroleum refining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111448774.7A CN114196865A (en) | 2021-12-01 | 2021-12-01 | NS1104 furnace tube for petroleum refining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114196865A true CN114196865A (en) | 2022-03-18 |
Family
ID=80649838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111448774.7A Pending CN114196865A (en) | 2021-12-01 | 2021-12-01 | NS1104 furnace tube for petroleum refining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114196865A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6431931A (en) * | 1987-07-29 | 1989-02-02 | Nidatsuku Kk | Production of curved tube made of heat-resistant centrifugal cast alloy |
| CN1766147A (en) * | 2005-11-22 | 2006-05-03 | 江苏标新集团有限公司 | Two-link smelting process for centrifugal casting high alloy boiler tube |
| CN101118024A (en) * | 2006-07-31 | 2008-02-06 | 江苏正祥石化设备有限公司 | Alloy rolled pipe |
| CN101117691A (en) * | 2006-07-31 | 2008-02-06 | 江苏正祥石化设备有限公司 | Technique for processing heavy caliber pipes |
| CN106498121A (en) * | 2016-10-10 | 2017-03-15 | 北京工业大学 | A kind of cracking of ethylene heat resisting steel boiler tube and preparation method thereof |
| CN107603664A (en) * | 2016-07-11 | 2018-01-19 | 中国石油化工股份有限公司 | Processing method, thus obtained pyrolysis furnace nichrome boiler tube and the method for producing ethene of pyrolysis furnace nichrome boiler tube |
| CN107760990A (en) * | 2017-10-24 | 2018-03-06 | 上海申江锻造有限公司 | The forging method of nuclear steam generator flange forge piece |
-
2021
- 2021-12-01 CN CN202111448774.7A patent/CN114196865A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6431931A (en) * | 1987-07-29 | 1989-02-02 | Nidatsuku Kk | Production of curved tube made of heat-resistant centrifugal cast alloy |
| CN1766147A (en) * | 2005-11-22 | 2006-05-03 | 江苏标新集团有限公司 | Two-link smelting process for centrifugal casting high alloy boiler tube |
| CN101118024A (en) * | 2006-07-31 | 2008-02-06 | 江苏正祥石化设备有限公司 | Alloy rolled pipe |
| CN101117691A (en) * | 2006-07-31 | 2008-02-06 | 江苏正祥石化设备有限公司 | Technique for processing heavy caliber pipes |
| CN107603664A (en) * | 2016-07-11 | 2018-01-19 | 中国石油化工股份有限公司 | Processing method, thus obtained pyrolysis furnace nichrome boiler tube and the method for producing ethene of pyrolysis furnace nichrome boiler tube |
| CN106498121A (en) * | 2016-10-10 | 2017-03-15 | 北京工业大学 | A kind of cracking of ethylene heat resisting steel boiler tube and preparation method thereof |
| CN107760990A (en) * | 2017-10-24 | 2018-03-06 | 上海申江锻造有限公司 | The forging method of nuclear steam generator flange forge piece |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1209209C (en) | Production process of high strength bolt with above 1300MPa | |
| TWI394847B (en) | Ni-reduced austenite stainless steel | |
| CN101684539B (en) | Thick-specification high-tenacity X70 acicular ferrite pipe line steel and manufacturing method thereof | |
| CN110760648A (en) | Weather-resistant bolt production process | |
| CN101031663A (en) | Method for producing martensitic stainless steel pipe | |
| JP7190559B2 (en) | Austenitic stainless steel with excellent expandability and resistance to aging cracks | |
| US20070006946A1 (en) | Manufacturing method of martensite stainless seamless steel pipe | |
| WO2012032819A1 (en) | Bearing steel with excellent corrosion resistance, bearing parts, and precision machinery components | |
| CN111054881A (en) | Manufacturing process of Christmas tree body forge piece for deep sea oil production equipment | |
| KR20180123532A (en) | Martensitic stainless steel plate | |
| CN103060695A (en) | Production method of alloy seamless steel tubes for petroleum refining | |
| CN114196865A (en) | NS1104 furnace tube for petroleum refining | |
| CN112011735A (en) | Economical low-temperature steel pipe with good corrosion resistance and manufacturing method thereof | |
| Keil et al. | Comparison of the mechanical properties of steel and ductile iron pipe materials | |
| CN111593268A (en) | Heat-resistant high-strength spring steel and production method thereof | |
| JP6296435B2 (en) | Manufacturing method of heat-resistant austenitic stainless steel for metal gasket | |
| CN1594633A (en) | Dampproof hydrogen sulfide stress corrosion steel and preparing method thereof | |
| GB2120275A (en) | Pipes resistant to hydrosulphuric acid | |
| CN105013857A (en) | Processing technology of high-temperature seamless carbon steel nominal tubes | |
| KR20190066734A (en) | High hardness austenitic stainless steel with excellent corrosion resistance | |
| CN113862568A (en) | Seamless steel pipe for water drainage in coal mine exploration and manufacturing method | |
| CN110396621B (en) | Intergranular corrosion resistant forging piece and preparation method thereof | |
| CN114774784B (en) | Large-caliber alloy steel pipe fitting and processing technology thereof | |
| WO2016116983A1 (en) | Fuel rail for gasoline direct injection | |
| CN115433871B (en) | High-strength steel resistant to hydrogen embrittlement delayed fracture and manufacturing method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220318 |
|
| RJ01 | Rejection of invention patent application after publication |