CN106498276A - 10.9 grade atmospheric corrosion resistant cold-forging steel gren rods and its production method - Google Patents
10.9 grade atmospheric corrosion resistant cold-forging steel gren rods and its production method Download PDFInfo
- Publication number
- CN106498276A CN106498276A CN201610833875.9A CN201610833875A CN106498276A CN 106498276 A CN106498276 A CN 106498276A CN 201610833875 A CN201610833875 A CN 201610833875A CN 106498276 A CN106498276 A CN 106498276A
- Authority
- CN
- China
- Prior art keywords
- atmospheric corrosion
- corrosion resistant
- forging steel
- cold
- production method
- 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
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- 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
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
-
- 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
- C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
-
- 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
- C22C38/16—Ferrous alloys, e.g. steel alloys containing 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
-
- 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
- C21D2211/00—Microstructure comprising significant phases
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Heat Treatment Of Steel (AREA)
Abstract
The invention discloses a kind of 10.9 grade atmospheric corrosion resistant cold-forging steel gren rod, its composition is by weight percentage：C 0.25～0.35%, Si 0.15～0.35%, Mn 0.60～0.90%, P≤0.030%, S≤0.030%, Cr 0.60～0.90%, Ni 0.20～0.50%, Cu 0.20～0.50%, remaining are iron and trace impurity.Optimization design of this gren rod by chemical composition, by adding the elements such as alloy Cu, Cr, make securing member in use by surface corrosion, self-assembling formation a kind of fine and close and with the compact amorphous metal film of matrix, make material that there is the effect of atmospheric corrosion resistance；By adding alloying element Ni, make that there is during material hot rolling good surface quality, follow-up drawing, cold-heading process surface do not have obvious cracking phenomena；There is mechanical property, the features such as corrosivity is good, processability is good.
Description
Technical field
The present invention relates to a kind of hot rolling wire and its production method, especially a kind of weather-proof bolt are rotten with 10.9 grades of resistance to air
Erosion cold-forging steel gren rod and its production method.
Background technology
High intensity and long-life are always the direction of metal material research.High intensity connecting bolt is used for steel structure connection,
In the design of steel construction, high-strength bolt play a part of connection, fastening and position, with building structure high stratification and
The aspects such as the overlength of bridge, the requirement that high design stress and light weight are proposed to the bolt as connection parts.To this most
Effective measures are the high intensities of bolting steel.
It is reported that, the weathering steel of the country such as the U.S., Canada, Japan, Europe is widely used, and at home,
The range of application of weathering steel is simultaneously little, and domestic Ge great steel mills all proceed by the research of steel construction weather-resistant steel plate, mesh at present
Front the most frequently used steel structure connection method is high strength exploitation.Atmospheric corrosion resistance high-strength bolt gren rod, be
The elements such as a small amount of copper, chromium, nickel are added in steel, make steel form one layer of densification and and parent metal between rusty scale and matrix
The good amorphous state spinel oxides film of adhesiveness, due to the presence of this layer of dense oxide film, prevents the oxygen in air
Penetrate into steel substrate with water, corrosion is slow down to ferrous materials in-house development, so as to substantially increase the corrosion resistant of ferrous materials
Corrosion energy.
There are some producers produce Tests for Weathering Steel at present both at home and abroad, but most for sheet material.Application No.
201310290465.0 Chinese patent application provides a kind of preparation side of the high intensity non-annealed cold-forging steel of atmospheric corrosion resistance
Method, but which is primarily directed to a kind of 8.8 grades and exempts from atmospheric corrosion resistance wire rod of annealing.The China of Patent No. 201210122948.5
Patent provides a kind of weather-proof welding wire for submerged-arc welding of rail truck high corrosion resistant type and wire rod, and the patent is primarily directed to a kind of weldering
Silk steel, although good welding performance but intensity are unable to reach the requirement of 10.9 grades of steel for fastener.
Content of the invention
It is cold that the technical problem to be solved in the present invention is to provide 10.9 good grade atmospheric corrosion resistants of a kind of mechanical property, corrosivity
Upsetting steel gren rod；Present invention also offers a kind of production method of 10.9 grade atmospheric corrosion resistant cold-forging steel gren rod.
For solving above-mentioned technical problem, present component is by weight percentage：C 0.25～0.35%, Si 0.15～
0.35%th, Mn 0.60～0.90%, P≤0.030%, S≤0.030%, Cr 0.60～0.90%, Ni 0.20～0.50%, Cu
0.20～0.50%, remaining is iron and trace impurity.
The inventive method includes heating, rolls and refrigerating work procedure, and the wire rod composition is as described above by weight percentage.
Heating process described in the inventive method：1050～1150 DEG C of heating-up temperature, 70～130min of temperature retention time.
Rolling process described in the inventive method：Enter 880～950 DEG C of final rolling temperature, 850～920 DEG C of laying temperature.
Refrigerating work procedure described in the inventive method：Wire rod phase transformation leading portion cooldown rate is 0.4～0.6 DEG C/s.
It is using the beneficial effect produced by above-mentioned technical proposal：The present invention is led to by the optimization design of chemical composition
The elements such as addition alloy Cu, Cr are crossed, makes securing member in use by surface corrosion, a kind of fine and close and and base of self-assembling formation
The compact amorphous metal film of body, makes material that there is the effect of atmospheric corrosion resistance；By adding alloying element Ni, material is made
There is during hot rolling good surface quality, follow-up drawing, cold-heading process surface do not have obvious cracking phenomena；There is mechanical property
Can, the features such as corrosivity is good, processability is good.
The inventive method is using works such as rational designing chemical composition, adjustment heating-up temperature, rolling temperature control, reduction cooling rates
Skill is adjusted, and the gren rod microstructure of acquisition is made up of ferrite+bainite+a small amount of pearlite, and tensile strength 800～
950MPa, reduction of area 35～50%, meet the processing request of user.The performance of the inventive method gained gren rod meets bolt
The demand of mechanical property, while disclosure satisfy that material atmospheric corrosion resistance, corrosion resistance index I >=6.2 again；Presentation quality
Excellent, processability is good.
Description of the drawings
The present invention is further detailed explanation with reference to the accompanying drawings and detailed description.
Fig. 1 is the metallograph of the present invention；
Fig. 2 is the polarization curve of the present invention.
Specific embodiment
Embodiment 1：This 10.9 grade atmospheric corrosion resistant cold-forging steel gren rod is produced using following methods.
（1）Smelting, continuous casting working procedure：Smelting molten steel is simultaneously casting continuously to form steel billet, and its composition is by weight percentage：C 0.32%、Si
0.20%th, Mn 0.82%, P 0.020%, S 0.010%, Cr 0.81%, Ni 0.24%, Cu 0.25%, remaining is iron, corrosion resistance
Index is I=6.4.
（2）Heating process：By heating steel billet to 1100 DEG C, temperature retention time 85min；Then water under high pressure dephosphorization, dephosphorization temperature
For 1040 DEG C, it is desirable to dephosphorization hydraulic pressure at least 10MPa.
（3）Rolling process：Steel billet after by dephosphorization carries out rolling during 6+8 passages are thick, the pre- finish rolling of 4 passages, and 8 passage finish rolling are entered
895 DEG C of final rolling temperature, after finish rolling terminates, laying temperature is controlled at 880 DEG C.
（4）Refrigerating work procedure：Steyr not cooling line is entered, air-cooled line stay-warm case is adjusted and is opened quantity and blower fan aperture, tell
After silk, wire rod phase transformation leading portion cooldown rate is controlled in 0.5 DEG C/s.
The cold-forging steel gren rod of the present embodiment gained Φ 18mm specifications, tensile strength 885MPa, reduction of area 48%；Metallographic
Figure is shown in Fig. 1, and as seen from the figure, its microstructure is made up of ferrite+bainite+a small amount of pearlite；Polarization curve is shown in Fig. 2, by
Knowable to figure, its fine corrosion resistance.Deep processing is carried out through certain high-strength bolt processing factory：Pickling-phosphatization-be drawn to
17.2mm- spheroidizings-be drawn to 17mm- cold-headings, make hexagon socket head cap screw；Gained bolt presentation quality is excellent, existing without cracking
As processability is good, and 100% is qualified.
Embodiment 2：This 10.9 grade atmospheric corrosion resistant cold-forging steel gren rod is produced using following methods.
（1）Smelting, continuous casting working procedure：Smelting molten steel is simultaneously casting continuously to form steel billet, and its composition is by weight percentage：C 0.28%、Si
0.22%th, Mn 0.80%, P 0.021%, S 0.013%, Cr 0.83%, Ni 0.26%, Cu 0.26%, remaining is iron, corrosion resistance
Index is I=6.6.
（2）Heating process：By heating steel billet to 1080 DEG C, temperature retention time 90min；Then water under high pressure dephosphorization, dephosphorization temperature
For 1020 DEG C, it is desirable to dephosphorization hydraulic pressure at least 10MPa.
（3）Rolling process：Steel billet after by dephosphorization carries out rolling during 6+8 passages are thick, the pre- finish rolling of 4 passages, and 8 passage finish rolling are entered
905 DEG C of final rolling temperature, after finish rolling terminates, laying temperature is controlled at 890 DEG C.
（4）Refrigerating work procedure：Steyr not cooling line is entered, air-cooled line stay-warm case is adjusted and is opened quantity and blower fan aperture, tell
After silk, wire rod phase transformation leading portion cooldown rate is controlled in 0.45 DEG C/s.
The cold-forging steel gren rod of the present embodiment gained Φ 20mm specifications, tensile strength 860MPa, reduction of area 45%.Through certain
Fastening parts of automobiles factory carries out deep processing：Pickling-phosphatization-be drawn to 18.7mm- spheroidizings-be drawn to 18.3mm- are cold
Upsetting, makes T-bolt；Gained bolt presentation quality is excellent, and without cracking phenomena, processability is good, and 100% is qualified.
Embodiment 3：This 10.9 grade atmospheric corrosion resistant cold-forging steel gren rod is produced using following methods.
（1）Smelting, continuous casting working procedure：Smelting molten steel is simultaneously casting continuously to form steel billet, and its composition is by weight percentage：C 0.30%、Si
0.15%th, Mn 0.85%, P 0.022%, S 0.012%, Cr 0.79%, Ni 0.35%, Cu 0.50%, remaining be iron, corrosion resistance
Index is I=6.4.
（2）Heating process：By heating steel billet to 1100 DEG C, temperature retention time 100min；Then water under high pressure dephosphorization, dephosphorization temperature
For 1040 DEG C, it is desirable to dephosphorization hydraulic pressure at least 10MPa.
（3）Rolling process：Steel billet after by dephosphorization carries out rolling during 6+8 passages are thick, the pre- finish rolling of 4 passages, and 8 passage finish rolling are entered
900 DEG C of final rolling temperature, after finish rolling terminates, laying temperature is controlled at 860 DEG C.
（4）Refrigerating work procedure：Steyr not cooling line is entered, air-cooled line stay-warm case is adjusted and is opened quantity and blower fan aperture, tell
After silk, wire rod phase transformation leading portion cooldown rate is controlled in 0.55 DEG C/s.
The cold-forging steel gren rod of the present embodiment gained Φ 16mm specifications, tensile strength 890MPa, reduction of area 43%.Through certain
Fastening parts of automobiles factory carries out deep processing, pickling-phosphatization-be drawn to 15.3mm- simplify anneal-to be drawn to 14.80mm- cold
Upsetting, makes big hex bolts；Gained bolt presentation quality is excellent, and without cracking phenomena, processability is good, and 100% is qualified.
Embodiment 4：This 10.9 grade atmospheric corrosion resistant cold-forging steel gren rod is produced using following methods.
（1）Smelting, continuous casting working procedure：Smelting molten steel is simultaneously casting continuously to form steel billet, and its composition is by weight percentage：C 0.35%、Si
0.23%th, Mn 0.90%, P 0.025%, S 0.015%, Cr 0.60%, Ni 0.39%, Cu 0.20%, remaining be iron, corrosion resistance
Index is I=6.9.
（2）Heating process：By heating steel billet to 1090 DEG C, temperature retention time 130min；Then water under high pressure dephosphorization, dephosphorization temperature
For 1030 DEG C, it is desirable to dephosphorization hydraulic pressure at least 10MPa.
（3）Rolling process：Steel billet after by dephosphorization carries out rolling during 6+8 passages are thick, the pre- finish rolling of 4 passages, and 8 passage finish rolling are entered
950 DEG C of final rolling temperature, after finish rolling terminates, laying temperature is controlled at 920 DEG C.
（4）Refrigerating work procedure：Steyr not cooling line is entered, air-cooled line stay-warm case is adjusted and is opened quantity and blower fan aperture, tell
After silk, wire rod phase transformation leading portion cooldown rate is controlled in 0.56 DEG C/s.
The cold-forging steel gren rod of the present embodiment gained Φ 14mm specifications, tensile strength 900MPa, reduction of area 42%.Through certain
Fastening parts of automobiles factory carries out deep processing, and pickling-phosphatization-be drawn to 13mm- simplifies 12.6mm- cold-headings of annealing-be drawn to,
Make T-bolt；Gained bolt presentation quality is excellent, and without cracking phenomena, processability is good, and 100% is qualified.
Embodiment 5：This 10.9 grade atmospheric corrosion resistant cold-forging steel gren rod is produced using following methods.
（1）Smelting, continuous casting working procedure：Smelting molten steel is simultaneously casting continuously to form steel billet, and its composition is by weight percentage：C 0.30%、Si
0.25%th, Mn 0.75%, P 0.030%, S 0.018%, Cr 0.72%, Ni 0.50%, Cu 0.32%, remaining be iron, corrosion resistance
Index is I=7.0.
（2）Heating process：By heating steel billet to 1150 DEG C, temperature retention time 80min；Then water under high pressure dephosphorization, dephosphorization temperature
For 1040 DEG C, it is desirable to dephosphorization hydraulic pressure at least 10MPa.
（3）Rolling process：Steel billet after by dephosphorization carries out rolling during 6+8 passages are thick, the pre- finish rolling of 4 passages, and 8 passage finish rolling are entered
910 DEG C of final rolling temperature, after finish rolling terminates, laying temperature is controlled at 900 DEG C.
（4）Refrigerating work procedure：Steyr not cooling line is entered, air-cooled line stay-warm case is adjusted and is opened quantity and blower fan aperture, tell
After silk, wire rod phase transformation leading portion cooldown rate is controlled in 0.40 DEG C/s.
The cold-forging steel gren rod of the present embodiment gained Φ 24mm specifications, tensile strength 860MPa, reduction of area 48%.Through certain
Fastening parts of automobiles factory carries out deep processing, pickling-phosphatization-be drawn to 22.7mm- simplify anneal-to be drawn to 22.3mm- cold
Upsetting, makes big hex bolts；Gained bolt presentation quality is excellent, and without cracking phenomena, processability is good, and 100% is qualified.
Embodiment 6：This 10.9 grade atmospheric corrosion resistant cold-forging steel gren rod is produced using following methods.
（1）Smelting, continuous casting working procedure：Smelting molten steel is simultaneously casting continuously to form steel billet, and its composition is by weight percentage：C 0.25%、Si
0.35%th, Mn 0.60%, P 0.027%, S 0.030%, Cr 0.90%, Ni 0.20%, Cu 0.45%, remaining is iron, corrosion resistance
Index is I=7.0.
（2）Heating process：By heating steel billet to 1050 DEG C, temperature retention time 70min；Then water under high pressure dephosphorization, dephosphorization temperature
For 1000 DEG C, it is desirable to dephosphorization hydraulic pressure at least 10MPa.
（3）Rolling process：Steel billet after by dephosphorization carries out rolling during 6+8 passages are thick, the pre- finish rolling of 4 passages, and 8 passage finish rolling are entered
880 DEG C of final rolling temperature, after finish rolling terminates, laying temperature is controlled at 850 DEG C.
（4）Refrigerating work procedure：Steyr not cooling line is entered, air-cooled line stay-warm case is adjusted and is opened quantity and blower fan aperture, tell
After silk, wire rod phase transformation leading portion cooldown rate is controlled in 0.6 DEG C/s.
The cold-forging steel gren rod of the present embodiment gained Φ 18mm specifications, tensile strength 885MPa, reduction of area 45%.Through certain
High-strength bolt processing factory carries out deep processing：Pickling-phosphatization-be drawn to 17.2mm- spheroidizings-be drawn to 17mm- are cold
Upsetting, makes hexagon socket head cap screw；Gained bolt presentation quality is excellent, and without cracking phenomena, processability is good, and 100% is qualified.
Claims (5)
1. a kind of 10.9 grade atmospheric corrosion resistant cold-forging steel gren rod, it is characterised in that its composition is by weight percentage：C
0.25～0.35%, Si 0.15～0.35%, Mn 0.60～0.90%, P≤0.030%, S≤0.030%, Cr 0.60～0.90%,
Ni 0.20～0.50%, Cu 0.20～0.50%, remaining are iron and trace impurity.
2. a kind of production method of 10.9 grade atmospheric corrosion resistant cold-forging steel gren rod, which includes heating, rolls and refrigerating work procedure,
It is characterized in that：The wire rod composition is by weight percentage：C 0.25～0.35%, Si 0.15～0.35%, Mn 0.60～
0.90%th, P≤0.030%, S≤0.030%, Cr 0.60～0.90%, Ni 0.20～0.50%, Cu 0.20～0.50%, remaining is
Iron and trace impurity.
3. the production method of 10.9 grade atmospheric corrosion resistant cold-forging steel gren rod according to claim 2, it is characterised in that
The heating process：1050～1150 DEG C of heating-up temperature, 70～130min of temperature retention time.
4. the production method of 10.9 grade atmospheric corrosion resistant cold-forging steel gren rod according to claim 2, it is characterised in that
The rolling process：Enter 880～950 DEG C of final rolling temperature, 850～920 DEG C of laying temperature.
5. the production method of 10.9 grade atmospheric corrosion resistant cold-forging steel gren rod according to claim 2, it is characterised in that
The refrigerating work procedure：Wire rod phase transformation leading portion cooldown rate is 0.4～0.6 DEG C/s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610833875.9A CN106498276A (en) | 2016-09-20 | 2016-09-20 | 10.9 grade atmospheric corrosion resistant cold-forging steel gren rods and its production method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610833875.9A CN106498276A (en) | 2016-09-20 | 2016-09-20 | 10.9 grade atmospheric corrosion resistant cold-forging steel gren rods and its production method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106498276A true CN106498276A (en) | 2017-03-15 |
Family
ID=58290818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610833875.9A Pending CN106498276A (en) | 2016-09-20 | 2016-09-20 | 10.9 grade atmospheric corrosion resistant cold-forging steel gren rods and its production method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106498276A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107058880A (en) * | 2017-03-28 | 2017-08-18 | 邢台钢铁有限责任公司 | A kind of automobile daming piston bar steel and its production method |
| CN109023112A (en) * | 2018-09-28 | 2018-12-18 | 邢台钢铁有限责任公司 | High-strength weather-resistant cold-forging steel and preparation method thereof |
| CN109234509A (en) * | 2018-10-31 | 2019-01-18 | 首钢集团有限公司 | 600Mpa grades of weather-proof bolting steel self-corrosion matching process of electric power pylon |
| CN109290367A (en) * | 2018-09-25 | 2019-02-01 | 湖南华菱湘潭钢铁有限公司 | A kind of milling method of corrosion-resistant cold-forging steel |
| CN109465566A (en) * | 2018-11-21 | 2019-03-15 | 首钢集团有限公司 | Improve production method of the high-strength weathering gas shield welding wire with wire rod with circle performance |
| CN109957728A (en) * | 2017-12-14 | 2019-07-02 | 鞍钢股份有限公司 | Weather-resistant cold heading steel wire rod for 800 MPa-level fastener and production method thereof |
| CN114875332A (en) * | 2022-05-30 | 2022-08-09 | 湖南华菱湘潭钢铁有限公司 | Production method of annealing-free wire rod for high-strength alloy welding wire of 80 kilograms or more |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101603155A (en) * | 2008-06-11 | 2009-12-16 | 中国第一汽车集团公司 | Microalloy non quenched and tempered steel for automobile axle head |
| CN101812644A (en) * | 2010-03-19 | 2010-08-25 | 江苏省沙钢钢铁研究院有限公司 | Non-quenched and tempered cold forging steel for high-strength fastener and manufacturing method thereof |
| CN102321851A (en) * | 2011-10-14 | 2012-01-18 | 江苏省沙钢钢铁研究院有限公司 | 10.9-grade boron-containing spheroidizing-free cold heading steel wire rod and manufacturing method thereof |
| CN102899470A (en) * | 2012-11-05 | 2013-01-30 | 南京钢铁股份有限公司 | Method for controlling decarburization on surfaces of medium-carbon cold forging steel wires |
| CN103205641A (en) * | 2013-02-04 | 2013-07-17 | 繁昌县琪鑫铸造有限公司 | Preparation method for high-strength foundation bolt |
| CN105714195A (en) * | 2016-03-08 | 2016-06-29 | 邢台钢铁有限责任公司 | Atmospheric-corrosion-resistant cold heading steel hot rolled wire rod and production method thereof |
-
2016
- 2016-09-20 CN CN201610833875.9A patent/CN106498276A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101603155A (en) * | 2008-06-11 | 2009-12-16 | 中国第一汽车集团公司 | Microalloy non quenched and tempered steel for automobile axle head |
| CN101812644A (en) * | 2010-03-19 | 2010-08-25 | 江苏省沙钢钢铁研究院有限公司 | Non-quenched and tempered cold forging steel for high-strength fastener and manufacturing method thereof |
| CN102321851A (en) * | 2011-10-14 | 2012-01-18 | 江苏省沙钢钢铁研究院有限公司 | 10.9-grade boron-containing spheroidizing-free cold heading steel wire rod and manufacturing method thereof |
| CN102899470A (en) * | 2012-11-05 | 2013-01-30 | 南京钢铁股份有限公司 | Method for controlling decarburization on surfaces of medium-carbon cold forging steel wires |
| CN103205641A (en) * | 2013-02-04 | 2013-07-17 | 繁昌县琪鑫铸造有限公司 | Preparation method for high-strength foundation bolt |
| CN105714195A (en) * | 2016-03-08 | 2016-06-29 | 邢台钢铁有限责任公司 | Atmospheric-corrosion-resistant cold heading steel hot rolled wire rod and production method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 国家质量技术监督局: "《紧固件机械性能 螺栓、螺钉和螺柱（GB/T 3098.1-2000）》", 1 February 2001 * |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107058880A (en) * | 2017-03-28 | 2017-08-18 | 邢台钢铁有限责任公司 | A kind of automobile daming piston bar steel and its production method |
| CN107058880B (en) * | 2017-03-28 | 2018-10-23 | 邢台钢铁有限责任公司 | A kind of automobile daming piston bar steel and its production method |
| CN109957728A (en) * | 2017-12-14 | 2019-07-02 | 鞍钢股份有限公司 | Weather-resistant cold heading steel wire rod for 800 MPa-level fastener and production method thereof |
| CN109957728B (en) * | 2017-12-14 | 2021-02-23 | 鞍钢股份有限公司 | Weather-resistant cold heading steel wire rod for 800 MPa-level fastener and production method thereof |
| CN109290367A (en) * | 2018-09-25 | 2019-02-01 | 湖南华菱湘潭钢铁有限公司 | A kind of milling method of corrosion-resistant cold-forging steel |
| CN109023112A (en) * | 2018-09-28 | 2018-12-18 | 邢台钢铁有限责任公司 | High-strength weather-resistant cold-forging steel and preparation method thereof |
| CN109234509A (en) * | 2018-10-31 | 2019-01-18 | 首钢集团有限公司 | 600Mpa grades of weather-proof bolting steel self-corrosion matching process of electric power pylon |
| CN109465566A (en) * | 2018-11-21 | 2019-03-15 | 首钢集团有限公司 | Improve production method of the high-strength weathering gas shield welding wire with wire rod with circle performance |
| CN109465566B (en) * | 2018-11-21 | 2021-05-25 | 首钢集团有限公司 | Production method for improving same-circle performance of wire rod for high-strength weather-resistant gas-shielded welding wire |
| CN114875332A (en) * | 2022-05-30 | 2022-08-09 | 湖南华菱湘潭钢铁有限公司 | Production method of annealing-free wire rod for high-strength alloy welding wire of 80 kilograms or more |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106498276A (en) | 10.9 grade atmospheric corrosion resistant cold-forging steel gren rods and its production method | |
| CN101397626B (en) | High intensity and high-toughness hot-rolled steel sheet and method for producing the same | |
| CN106435406B (en) | A kind of Millettia pachycarpa weather-resistant steel plate and its manufacturing method | |
| CN102321851B (en) | 10.9-grade boron-containing spheroidizing-free cold heading steel wire rod | |
| CN109957707B (en) | Weather-resistant cold-heading steel wire rod for 1000 MPa-level fastener and production method thereof | |
| CN103952633B (en) | There is high-strength steel wire and the production method thereof of favorable low-temperature impact toughness | |
| CN103911558B (en) | A kind of production method of wear-resisting low temperature resistant weather resisting steel | |
| CN101985725B (en) | 780MPa grade low yield ratio steel plate for buildings and manufacturing method thereof | |
| CN102400053B (en) | Steel plate with yield strength of 460MPa for building structure and manufacturing method thereof | |
| CN101824581B (en) | High-yield strength (450MPa), high-strength and weather-resistant steel plate and production method thereof | |
| CN102260834A (en) | H2S corrosion resistant hot rolled steel plate for oil well pipe and preparation method thereof | |
| CN101812635A (en) | Class Q345F steel sheet with thickness of 80mm and manufacturing method thereof | |
| CN102758145A (en) | Thick plate used for highly weather resistant structure with low compression ratio and production method thereof | |
| CN101353766A (en) | Grooving corrosion resistant high strength steel for ERW soldering sleeve, sleeve and production method | |
| CN110284053A (en) | A kind of high P high-strength tenacity high-weatherability hot continuous rolling steel and its manufacturing method | |
| CN101397634B (en) | Atmospheric corrosion resistant 08CrNiCu low-alloy high intensity non-annealed cold-forging steel and production process | |
| CN101235468A (en) | Atmospheric corrosion resisting steel with yield strength more than 400MPa | |
| CN106906426A (en) | A kind of high tenacity high corrosion resistant type weather-resistant steel plate and its manufacture method | |
| CN104451389A (en) | High-heat input welding tolerating E36-grade steel plate with thickness of 100nm for ocean engineering | |
| CN101403075B (en) | Wide-thick steel plate with yield strength of 460Mpa for bridge and method of manufacturing the same | |
| CN104674123A (en) | Wire rod for spheroidizing-annealing-free corrosion-resistant fastener and preparation method thereof | |
| CN103741075B (en) | A kind of corrosion-resistant steel pipe for high-pressure boiler material and preparation method thereof | |
| CN105177455A (en) | 2400MPa-grade high-alloy ultrahigh-strength steel | |
| CN103233185A (en) | Steel for X100 pipeline and production method thereof | |
| CN106337153A (en) | Vanadium-containing thick-gauge weather resistant steel and rolling method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170315 |