CN112553535A - High-strength corrosion-resistant oil well pipe with superfine crystal grains and production process thereof - Google Patents
High-strength corrosion-resistant oil well pipe with superfine crystal grains and production process thereof Download PDFInfo
- Publication number
- CN112553535A CN112553535A CN202011479389.4A CN202011479389A CN112553535A CN 112553535 A CN112553535 A CN 112553535A CN 202011479389 A CN202011479389 A CN 202011479389A CN 112553535 A CN112553535 A CN 112553535A
- Authority
- CN
- China
- Prior art keywords
- oil well
- well pipe
- resistant oil
- percent
- strength corrosion
- 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
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- 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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/18—Hardening; Quenching with or without subsequent tempering
-
- 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
- C21D9/085—Cooling or quenching
-
- 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
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
Abstract
The invention belongs to the technical field of steel production, and particularly relates to a high-strength corrosion-resistant oil well pipe with ultrafine grains, which comprises the following components in percentage by weight: 0.28 to 0.34 percent of C, 0.25 to 0.45 percent of Si, 1.20 to 1.45 percent of Mn, 0.001 to 0.045 percent of Al, less than or equal to 0.015 percent of P, less than or equal to 0.008 percent of S, and the balance of Fe and inevitable impurities. The molten steel is made into a pipe blank, and the pipe is subjected to quenching-tempering heat treatment to be made into the ultra-fine grain high-strength corrosion-resistant oil well pipe. The quenching is water quenching, the quenching temperature is 860 +/-10 ℃, the tempering temperature is 650 +/-10 ℃, and the tempering time is 3500-3900 seconds. The carbon manganese steel is used to meet the corrosion resistance requirement of the corrosion resistant oil well pipe on the basis of eliminating noble alloy through quenching and tempering heat treatment.
Description
The technical field is as follows:
the invention belongs to the technical field of steel production, and particularly relates to a high-strength corrosion-resistant oil well pipe with ultra-fine grains and a production process thereof.
Background art:
domestic enterprises adopt Cr, Mo, Ni and other alloy elements to strengthen the corrosion resistance to produce corrosion-resistant oil well pipes, and the required alloy is large in addition amount and high in cost. Therefore, it is necessary to design a corrosion resistant oil well pipe with ultra-fine grain and high strength with low cost and good performance.
The invention content is as follows:
the invention aims to provide an ultra-fine grain high-strength corrosion-resistant oil well pipe with low cost and good performance. The carbon manganese steel is used to meet the corrosion resistance requirement of the corrosion resistant oil well pipe on the basis of eliminating noble alloys such as Cr, Mo, Ni and the like through quenching and tempering heat treatment.
The technical scheme adopted by the invention is as follows: the high-strength corrosion-resistant oil well pipe with the ultrafine grains comprises the following components in percentage by weight: 0.28 to 0.34 percent of C, 0.25 to 0.45 percent of Si, 1.20 to 1.45 percent of Mn, 0.001 to 0.045 percent of Al, less than or equal to 0.015 percent of P, less than or equal to 0.008 percent of S, and the balance of Fe and inevitable impurities.
Further, the ultra-fine grain high-strength corrosion-resistant oil well pipe comprises the following components in percentage by weight: 0.28% of C, 0.25% of Si, 1.20% of Mn, 0.001% of Al, 0.01% of P, 0.003% of S, and 98.256% of Fe and inevitable impurities.
Further, the ultra-fine grain high-strength corrosion-resistant oil well pipe comprises the following components in percentage by weight: 0.31% of C, 0.35% of Si, 1.325% of Mn, 0.023% of Al, 0.125% of P, 0.005% of S, and 97.862% of Fe and inevitable impurities.
Further, the ultra-fine grain high-strength corrosion-resistant oil well pipe comprises the following components in percentage by weight: 0.34% of C, 0.45% of Si, 1.45% of Mn, 0.045% of Al, 0.015% of P, 0.008% of S, and 97.692% of Fe and inevitable impurities.
Further, the production process of the ultra-fine grain high-strength corrosion-resistant oil well pipe comprises the following steps: the molten steel is made into a pipe blank, and the pipe is subjected to quenching-tempering heat treatment to be made into the ultra-fine grain high-strength corrosion-resistant oil well pipe.
Further, the quenching is water quenching, the quenching temperature is 860 +/-10 ℃, the tempering temperature is 650 +/-10 ℃, and the tempering time is 3500-3900 seconds.
Further, the quenching temperature is 860 ℃, the tempering temperature is 65010 ℃, and the tempering time is 3700 seconds.
The invention has the beneficial effects that: provides an ultra-fine grain high-strength corrosion-resistant oil well pipe with low cost and good performance. The carbon manganese steel is used to meet the corrosion resistance requirement of the corrosion resistant oil well pipe on the basis of eliminating noble alloys such as Cr, Mo, Ni and the like through quenching and tempering heat treatment. The structure is sorbite, the grain size is more than or equal to grade 9 according to different specifications, and the H2S corrosion resistance is improved. Yield strength 552 MPa 758MPa, tensile strength 700 MPa.
The specific implementation mode is as follows:
example one
An ultra-fine grain high-strength anti-corrosion oil well pipe comprises the following components in percentage by weight: 0.28% of C, 0.25% of Si, 1.20% of Mn, 0.001% of Al, 0.01% of P, 0.003% of S, and 98.256% of Fe and inevitable impurities.
Example two
An ultra-fine grain high-strength anti-corrosion oil well pipe comprises the following components in percentage by weight: 0.31% of C, 0.35% of Si, 1.325% of Mn, 0.023% of Al, 0.125% of P, 0.005% of S, and 97.862% of Fe and inevitable impurities.
EXAMPLE III
An ultra-fine grain high-strength anti-corrosion oil well pipe comprises the following components in percentage by weight: 0.34% of C, 0.45% of Si, 1.45% of Mn, 0.045% of Al, 0.015% of P, 0.008% of S, and 97.692% of Fe and inevitable impurities.
Example four
A production process of an ultra-fine grain high-strength corrosion-resistant oil well pipe comprises the following steps: the molten steel is made into a pipe blank, and the pipe is subjected to quenching-tempering heat treatment to be made into the ultra-fine grain high-strength corrosion-resistant oil well pipe. The quenching is water quenching, the quenching temperature is 860 +/-10 ℃, the tempering temperature is 650 +/-10 ℃, and the tempering time is 3500-3900 seconds.
The foregoing is a more detailed description of the present invention that is presented in conjunction with specific embodiments, which are not to be construed as limiting the invention to the specific embodiments described above. Numerous other simplifications or substitutions may be made without departing from the spirit of the invention as defined in the claims and the general concept thereof, which shall be construed to be within the scope of the invention.
Claims (7)
1. A high-strength corrosion-resistant oil well pipe with ultra-fine grains is characterized in that: the high-strength corrosion-resistant oil well pipe with the ultrafine grains comprises the following components in percentage by weight: 0.28 to 0.34 percent of C, 0.25 to 0.45 percent of Si, 1.20 to 1.45 percent of Mn, 0.001 to 0.045 percent of Al, less than or equal to 0.015 percent of P, less than or equal to 0.008 percent of S, and the balance of Fe and inevitable impurities.
2. The ultra-fine grain high-strength corrosion-resistant oil well pipe according to claim 1, wherein: the high-strength corrosion-resistant oil well pipe with the ultrafine grains comprises the following components in percentage by weight: 0.28% of C, 0.25% of Si, 1.20% of Mn, 0.001% of Al, 0.01% of P, 0.003% of S, and 98.256% of Fe and inevitable impurities.
3. The ultra-fine grain high-strength corrosion-resistant oil well pipe according to claim 1, wherein: the high-strength corrosion-resistant oil well pipe with the ultrafine grains comprises the following components in percentage by weight: 0.31% of C, 0.35% of Si, 1.325% of Mn, 0.023% of Al, 0.125% of P, 0.005% of S, and 97.862% of Fe and inevitable impurities.
4. The ultra-fine grain high-strength corrosion-resistant oil well pipe according to claim 1, wherein: the high-strength corrosion-resistant oil well pipe with the ultrafine grains comprises the following components in percentage by weight: 0.34% of C, 0.45% of Si, 1.45% of Mn, 0.045% of Al, 0.015% of P, 0.008% of S, and 97.692% of Fe and inevitable impurities.
5. A process for producing an ultra-fine grain high-strength corrosion-resistant oil well pipe according to claim 1, wherein: the production process comprises the following steps: the molten steel is made into a pipe blank, and the pipe is subjected to quenching-tempering heat treatment to be made into the ultra-fine grain high-strength corrosion-resistant oil well pipe.
6. The process for producing an ultra-fine grain high-strength corrosion-resistant oil well pipe according to claim 5, wherein: the quenching is water quenching, the quenching temperature is 860 +/-10 ℃, the tempering temperature is 650 +/-10 ℃, and the tempering time is 3500-3900 seconds.
7. The process for producing an ultra-fine grain high-strength corrosion-resistant oil well pipe according to claim 6, wherein: the quenching temperature is 860 ℃, the tempering temperature is 65010 ℃, and the tempering time is 3700 seconds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011479389.4A CN112553535A (en) | 2020-12-16 | 2020-12-16 | High-strength corrosion-resistant oil well pipe with superfine crystal grains and production process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011479389.4A CN112553535A (en) | 2020-12-16 | 2020-12-16 | High-strength corrosion-resistant oil well pipe with superfine crystal grains and production process thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112553535A true CN112553535A (en) | 2021-03-26 |
Family
ID=75064853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011479389.4A Pending CN112553535A (en) | 2020-12-16 | 2020-12-16 | High-strength corrosion-resistant oil well pipe with superfine crystal grains and production process thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112553535A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4740255A (en) * | 1986-03-17 | 1988-04-26 | Manton Robert B | High strength weldable seamless tube of low alloy steel |
| CN101886218A (en) * | 2009-05-16 | 2010-11-17 | 黑龙江建龙钢铁有限公司 | Steel making method of J55-grade 37Mn5 oil casing pipe |
| CN102330018A (en) * | 2011-05-31 | 2012-01-25 | 黑龙江建龙钢铁有限公司 | Seamless steel tube used for thick-wall petroleum casing collar material and production method thereof |
| CN102936682A (en) * | 2012-11-16 | 2013-02-20 | 内蒙古包钢钢联股份有限公司 | Production method of N80Q steel-grade oil casings |
| CN103938095A (en) * | 2014-04-29 | 2014-07-23 | 宝山钢铁股份有限公司 | 165ksi steel grade high-strength high-toughness drill stem and manufacturing method thereof |
| CN105886909A (en) * | 2016-04-19 | 2016-08-24 | 江阴兴澄特种钢铁有限公司 | Pressure container steel plate resistant to hydrogen induced cracking and manufacturing method thereof |
| CN107760988A (en) * | 2017-09-26 | 2018-03-06 | 河钢股份有限公司邯郸分公司 | The production method of low cost S EW oil casing steels |
-
2020
- 2020-12-16 CN CN202011479389.4A patent/CN112553535A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4740255A (en) * | 1986-03-17 | 1988-04-26 | Manton Robert B | High strength weldable seamless tube of low alloy steel |
| CN101886218A (en) * | 2009-05-16 | 2010-11-17 | 黑龙江建龙钢铁有限公司 | Steel making method of J55-grade 37Mn5 oil casing pipe |
| CN102330018A (en) * | 2011-05-31 | 2012-01-25 | 黑龙江建龙钢铁有限公司 | Seamless steel tube used for thick-wall petroleum casing collar material and production method thereof |
| CN102936682A (en) * | 2012-11-16 | 2013-02-20 | 内蒙古包钢钢联股份有限公司 | Production method of N80Q steel-grade oil casings |
| CN103938095A (en) * | 2014-04-29 | 2014-07-23 | 宝山钢铁股份有限公司 | 165ksi steel grade high-strength high-toughness drill stem and manufacturing method thereof |
| CN105886909A (en) * | 2016-04-19 | 2016-08-24 | 江阴兴澄特种钢铁有限公司 | Pressure container steel plate resistant to hydrogen induced cracking and manufacturing method thereof |
| CN107760988A (en) * | 2017-09-26 | 2018-03-06 | 河钢股份有限公司邯郸分公司 | The production method of low cost S EW oil casing steels |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101275207B (en) | Thermal processing method for H2S-corrosion-resistant tool joint for petroleum drill pipe | |
| CN101906575A (en) | High-strength economical X70 pipeline steel hot-rolling flat plate and production method thereof | |
| CN102230134B (en) | Machining process of Qquaternary marine mooring chain steel with large specification and high performance | |
| CN102218621B (en) | Gas shielded welding wire used for X100 pipeline steel | |
| CN109295390B (en) | Ultrahigh-strength corrosion-resistant steel bar and production method thereof | |
| CN110684927A (en) | Austenite type 700MPa single-phase stainless steel twisted steel and production method thereof | |
| CN102286700B (en) | Sulfuric-acid-resistant dew point corrosion steel with tensile strength greater than or equal to 800Mpa grade and preparation method thereof | |
| CN111041344A (en) | High-strength-toughness low-yield-ratio easy-to-weld fixed offshore structure steel plate and production method thereof | |
| CN102747279A (en) | Oil casing capable of resisting hydrogen sulfide stress corrosion cracking and manufacturing method thereof | |
| CN111876665B (en) | Low-cost, low-temperature-resistant and high-strength steel for deep-sea Christmas tree equipment connector and heat treatment process thereof | |
| CN101509104B (en) | Low-nickel austenitic stainless steel | |
| CN105200320A (en) | Small-sized round-link chain steel | |
| CN106978575A (en) | A kind of excellent two phase stainless steel of low nickel chromium triangle processing characteristics and its production technology | |
| CN103160749A (en) | Seamless steel pipe perforating plug and manufacture method | |
| CN112553535A (en) | High-strength corrosion-resistant oil well pipe with superfine crystal grains and production process thereof | |
| CN113969372B (en) | Low-carbon anti-fatigue steel plate for wind power and preparation method | |
| CN102367560B (en) | High-strength corrosion-resisting straight welded pipe steel and manufacture method thereof | |
| CN102162062A (en) | Tin-containing high-nitrogen martensitic stainless steel alloy material and manufacturing method thereof | |
| CN102162071A (en) | Limit mandrel steel material for rolled tubes and preparation method thereof | |
| CN101319292A (en) | High ductility N80 oil casing tube and manufacturing method | |
| CN101994052B (en) | Nitrogen-containing austenitic alloy | |
| CN100507052C (en) | 110 steel grade carbon dioxide and chloride ion corrosion-proof oil well-pipe steel | |
| CN108374116B (en) | Hydrogen sulfide stress corrosion resistant high-strength steel and preparation method thereof | |
| CN112410675A (en) | Rare earth double-phase corrosion-resistant cast stainless steel and manufacturing method thereof | |
| CN105624380A (en) | Production method for low-alloy, high-strength and high-toughness steel |
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: 20210326 |
|
| RJ01 | Rejection of invention patent application after publication |