CN101244494A - Austenitic stainless steel buried arc welding wire for low-temperature equipment - Google Patents
Austenitic stainless steel buried arc welding wire for low-temperature equipment Download PDFInfo
- Publication number
- CN101244494A CN101244494A CNA2008100200962A CN200810020096A CN101244494A CN 101244494 A CN101244494 A CN 101244494A CN A2008100200962 A CNA2008100200962 A CN A2008100200962A CN 200810020096 A CN200810020096 A CN 200810020096A CN 101244494 A CN101244494 A CN 101244494A
- Authority
- CN
- China
- Prior art keywords
- welding wire
- low
- temperature
- welding
- steel
- 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.)
- Granted
Links
Landscapes
- Arc Welding In General (AREA)
Abstract
The invention relates to a welding wire, in particular to a welding wire applying to austenitic submerged arc welding for low-temperature equipments, in terms of chemical composition and weight percent, comprising Cr: 19.0 to 23.0%, Ni: 9.0 to 12.0%, C: <=0.03%, Mn: 1.60 to 2.50%, Si: 0.30 to 0.60%, Mo: <=0.30%, Cu: <=0.30%, Co: <=0.20%, Ti: <=0.015%, Nb: <=0.05%, V: <=0.10%, B: <=0.005% and Fe as allowance. The welding wire has the advantages that: the welding wire steelmaking craft is stable; the drawing performance is good; the invention meets the welding technical requirements of the high-intensity, high-toughness and anti-corrosion steel with low temperature and low temperature equipments; the invention can apply to the steel of 500 to 750MPa strength level; the invention is suitable for large range of welding current and no blowhole; the moulding is beautiful; the weld joint can be well matched with the base material.
Description
Affiliated technical field
The present invention relates to a kind of solder wire material, especially a kind of austenitic stainless steel buried arc welding wire for low-temperature equipment.
Background technology
Along with the national economy fast development, modern industry is characteristics with the large-scale production, central gas supply production.All gases has been widely used in the fields such as machine-building, metallurgy, medicine, chemical industry, environmental protection, bioengineering, power, food and space flight and aviation industry.Because industrial fast development brings problems such as energy shortage and environmental protection, to the demand of green energy resource natural gas, has been placed on extrusion position.Add that the gas companies of rank top ten has all entered Chinese market in the world, formed large-scale industrial gasses market, and with annual growth rate development more than 10%, the gas products kind is more and more abundanter simultaneously, as oxygen, nitrogen, argon, helium, hydrogen, carbon dioxide and natural gas and other petroleum gas etc.Along with developing rapidly of gas industry, add the manufacturing adjustment in the world, transportable pressure vessel is that the manufacturing center of truck tank, railway tank car and tank container shifts to China, these hazardous materials transportation and equipment industry emerge rapidly.The kind and the quantity of the transportable pressure vessel of China's manufacturing in recent years constantly increase, its equipment, technology and quality also improve constantly, equally, because it is big that transportable pressure vessel has useful load, characteristics such as transportation means flexibly and cost of transportation is cheap, can carry out highway, railway, the transportation in water route or realize the through transport of these means of transportation, develop rapidly in national economy and to play important effect in the process, low-temperature equipment is more and more widely used: comprise low temperature transportation equipment (cryogenic liquid transport vehicle), low-temperature tank container, cryogenic liquid tank, cryogenic insulated cylinder.
Existing tens families that have that can make the low temperature transportable pressure vessel of China.But because the manufacturing of low temperature transportable pressure vessel is to assemble pressure vessel, low temperature and framework complex arts such as (cars), technology content is higher, it is low relatively that the manufacturer designs and develops ability level, the shortage of capital drops into the Development and Trial of new construction, the development and the process modification of producing equipment, so far not having the manufacturing production line of a low temperature transportable pressure vessel truly in China, all is to be fabricated to the master with nonstandard separate unit.Problem such as therefore, the ubiquity production cycle is long, production efficiency is low, production cost is high and quality stability is relatively poor.Further deeply inquire into low temperature manufacturing technology situation: the adiabatic form of low temperature transportable pressure vessel, the cryogenic media that stores in the low-temperature (low temperature) vessel, interior jar temperature is very low, and outer jar is to be under the normal temperature, for entire container, its thermograde is big, handling not fortunately, weld seam lap-joint is easy to generate very big thermal stress especially, the place of commissure low-temperature flexibility difference is easy to generate crackle and seepage, so entire container is carried out the analysis of temperature and stress field and is selected suitable low temperature welding wire, help the selection and the safe design and use of container.At present domesticly grasp temperature and calculation of stress field method, and in the low-temperature storage tank of specific (special) requirements, obtained application, obtained rational structure.But domesticly be difficult to find fully suitable low-temperature high-strength high tenacity wlding, main or satisfy the demands by import.
Summary of the invention
The technical problem to be solved in the present invention is: it is stable to the invention provides welding performance, pore-free, moulding are attractive in appearance, a kind of austenitic stainless steel buried arc welding wire for low-temperature equipment that commissure metal and low-temperature equipment are complementary with the stainless steel performance, the import substitution wlding uses on the low-temperature equipment, reaches the safe design and use requirement of low-temperature equipment.
The technical solution adopted for the present invention to solve the technical problems is: a kind of austenitic stainless steel buried arc welding wire for low-temperature equipment, and the chemical composition of described this welding wire and quality percentage composition are: Cr:19.0～23.0%, Ni:9.0～12.0%, C :≤0.03%, Mn:1.60～2.50%, Si:0.30～0.60%, Mo :≤0.30%, Cu :≤0.30%, Co :≤0.20%, Ti :≤0.015%, Nb :≤0.05%, V :≤0.10%, B :≤0.005%, surplus is Fe.
Alloying elements such as the appropriate C r in the welding wire, Ni, C, Mn, P, S, Mo, Cu, Co, Ti, Nb, V, W, B, to impel the fine acicular ferritic structure that produces a large amount of high density dislocations in weld metal, it specifically acts on as follows:
Chromium: the effect of chromium in stainless steel is the decay resistance that improves steel.Its reason be Xiang Gangzhong add chromium as alloying element after, the direction of impelling its inner paradoxical movement to help resisting to corrosion failure develops.The quality percentage composition of Cr is controlled at 19～23%, concrete principle: at first chromium improves the electrode potential of iron-based solid solution, and secondly the electronics of chromium absorption iron makes the iron passivation.Be that chromium can form one deck Cr at stainless steel surfaces after oxidation
2O
3Diaphragm, stop the extraneous soda acid factor enter and continue the corrosion.
Nickel: the effect of nickel in stainless steel is to improve the decay resistance of steel and improve its processing performance.Its reason is that nickel and chromium are to cooperate to play a role in stainless steel, so the quality percentage composition of nickel is controlled at 9～12%, and nickel can make the tissue of high chrome change, thereby improves stainless decay resistance and the processing performance performance that promptly extends.
Carbon: the effect of carbon in stainless steel carbon on the one hand is the element of stable austenite, and carbon and chromium form the carbide of a series of complexity on the other hand, influence stainless decay resistance.The quality percentage composition of carbon is controlled at below 0.03%, can overcomes the intercrystalline corrosion of chromium nickel stainless steel to a great extent, and be easy to welding and cold deformation etc.
Manganese: the effect of manganese in stainless steel is the critical quenching rate that reduces steel on the one hand, increases austenitic stability during cooling, suppresses austenitic decomposition, makes the austenite that forms under the high temperature be remained to normal temperature; Mn is the effective element of weld seam Strengthening and Toughening on the other hand, helps deoxidation in weld seam, prevents to cause the formation of fire check iron sulfide, so the quality percentage composition of Mn is controlled at 1.60～2.50%.
Silicon: silicon acts in stainless steel and plays deoxidation and strengthen welds when being welding, and silicon also is to form ferritic element, in general stainless steel is common impurity element, and a certain amount of silicon has material impact to stainless processing performance, so the quality percentage composition of silicon is controlled at 0.30～0.60%.
Trace elements such as molybdenum, copper, cobalt, titanium, niobium, vanadium, tungsten, boron help improving stainless correlated performance:
Molybdenum can strengthen the intensity of steel and not subtract its plasticity and toughness, can make steel that enough intensity and corrosion resistance and the cold brittleness of improving steel are at high temperature arranged simultaneously, and the content that therefore designs molybdenum is Mo :≤0.30%;
A certain amount of copper can improve the specific (special) requirements such as atmospheric corrosion resistance of steel alloy as alloying element, and the quality percentage composition that therefore designs copper is Cu :≤0.30%;
Cobalt can increase steel strength degree and creep limit at high temperature, and grows up appreciable impact is arranged reducing austenite crystal, and the quality percentage composition that therefore designs cobalt is Co :≤0.20%;
But the titanium crystal grain thinning, prevent from the steel to produce bubble and intercrystalline corrosion, improve the quality of steel and improve the mechanical performance of steel, the quality percentage composition that therefore designs titanium is Ti :≤0.015%;
Niobium can improve the intensity of steel as one of alloying element, improves stainless welding performance, and the quality percentage composition that therefore designs niobium is Nb :≤0.05%;
Vanadium can improve intensity, elasticity, the impact flexibility of steel, especially can improve the elevated temperature strength of steel, and the quality percentage composition that therefore designs vanadium is V :≤0.10%;
Tungsten helps improving the creep strength of steel, has temper resistance and good high-temperature intensity, and the quality percentage composition that therefore designs tungsten is W :≤0.05%;
Boron has the quenching degree of raising steel and the effect of crystal grain thinning, and the quality percentage composition that therefore designs boron is B :≤0.005%.
Unavoidably be mingled with sulphur, phosphorus harmful element in addition, thus its content is controlled in the low scope, to improve weld seam degree of purity and welding performance and further to improve weld seam weather resistance, P≤0.030%, S≤0.015%.
The invention has the beneficial effects as follows: stable being easy to of welding wire steel smelting process of the present invention realizes that the rolling and drawing welding wire function admirable of steel billet satisfies the solder technology requirement of high strength, high tenacity and corrosion-resistant steel series under low-temperature equipment and the cryogenic conditions thereof; Welding wire of the present invention is used for the welding of 500～750Mpa intensity rank steel grade, has welding technological properties preferably, and it is bigger to be fit to the welding current scope, and pore-free, moulding are attractive in appearance, and weld seam has and quite high toughness and tenacity of base material and good resistance to low temperature.
The specific embodiment
Be described in further detail the present invention with embodiment below.
Embodiment: the preparation technology of welding wire is same as the prior art.Utilize supplier steel mill resource to smelt this welding wire, through rolling and be drawn into welding wire, surface cleaning is handled, and the diameter of welding wire is 3.2mm, the quality percentage composition of forming the chemical element of this welding wire is: 0.017% carbon, 0.55% silicon, 2.25% manganese, 0.023% phosphorus, 0.005% sulphur, 9.17% nickel, 20.23% chromium, 0.048% molybdenum, 0.10% copper, 0.045% cobalt, 0.011% titanium, 0.044 niobium, 0.097% vanadium, 0.022% tungsten, 0.002% boron, all the other are iron.The solder flux that welding wire is used: SJ601; The material of test plate (panel): 304; The test plate (panel) size is length and width height: 600 * 150 * 8mm, 30 ° of double V-grooves of single face; Type of Welding: butt welding connects; Welding current: 380A; Weldingvoltage: 32～34V; Speed of welding: 510mm/min; Interlayer temperature: 60 ± 15 ℃; Preset reversible deformation 5mm.
Materials and do tension test, bend test and impact test, measure its mechanical property, the form of materialsing, size and test method all undertaken by the requirement of experiment of GB.
Normal temperature tension test temperature is a room temperature, and the cryogenic tensile test temperature is-196 ℃, and sample participates in the immersing in liquid nitrogen mode and cools off, and keeps 10min at least-196 ℃ of following soak times.
Normal temperature tension test speed in elastic range, guarantees that the constant as far as possible and rate of stressing of the machine grip holder rate of departure is in 6～60Mpa/s scope; Be no more than 0.0025/s in plastic range internal strain speed; In the tensile strength scope, the strain rate of parallel length is no more than 0.008/s.During low-temperature test, the strain rate in the sample parallel length is no more than 0.005/s, keeps constant and finishes to testing.
The test of normal temperature and cryogenic tensile all need be measured regulation disproportional extension strength Rp0.2 or/or Rp1.0, tensile strength Rm, elongation after fracture A, and determination data sees Table 1.
Table 1 tension test data
Bend test is used curved, two the curved samples of the horizontal back of the body of two athwartship planes, and style thickness is that a equals T, and specimen width is b, and specimen length is L ≈ D+2.5a+100mm, and specimen size sees Table 2.
Table 2 test piece for welding bend specimen size
The mensuration situation: 180 ° of angle of bend, no visible crack produces.
Impact specimen should intercept perpendicular to bead direction, and the axis normal of sample break is in the test plate (panel) surface.The breach of the impact specimen of weld metal zone is positioned at weld seam central authorities, with the surface of distance test plate (panel) surface 1～2mmwei impact specimen, gets the impact specimen of assembly welding seam metal.The breach axis of heat affected area to the distance of melt run intersection point should be at 1～2mm, and should the heat affected area of passing through as much as possible.Test data is as shown in table 3.
Table 3 impact test data
Claims (1)
1. austenitic stainless steel buried arc welding wire for low-temperature equipment, it is characterized in that: the chemical composition of described this welding wire and quality percentage composition are: Cr:19.0～23.0%, Ni:9.0～12.0%, C :≤0.03%, Mn:1.60～2.50%, Si:0.30～0.60%, Mo :≤0.30%, Cu :≤0.30%, Co :≤0.20%, Ti :≤0.015%, Nb :≤0.05%, V :≤0.10%, B :≤0.005%, surplus is Fe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100200962A CN101244494B (en) | 2008-03-28 | 2008-03-28 | Austenitic stainless steel buried arc welding wire for low-temperature equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100200962A CN101244494B (en) | 2008-03-28 | 2008-03-28 | Austenitic stainless steel buried arc welding wire for low-temperature equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101244494A true CN101244494A (en) | 2008-08-20 |
| CN101244494B CN101244494B (en) | 2010-06-09 |
Family
ID=39945291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100200962A Active CN101244494B (en) | 2008-03-28 | 2008-03-28 | Austenitic stainless steel buried arc welding wire for low-temperature equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101244494B (en) |
Cited By (40)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102009285A (en) * | 2010-11-18 | 2011-04-13 | 中国石油天然气集团公司 | Submerged arc welding wire used for X80 pipe fitting |
| CN102019517A (en) * | 2010-12-10 | 2011-04-20 | 哈尔滨威尔焊接有限责任公司 | Novel stainless steel submerged-arc welding wire for improving tensile strength after heat treatment |
| CN102233494A (en) * | 2010-04-27 | 2011-11-09 | 昆山京群焊材科技有限公司 | Stainless steel band electrode electroslag surfacing welding strip and welding flux |
| CN101722352B (en) * | 2010-01-19 | 2012-05-02 | 南京钢铁股份有限公司 | Submerged arc welding process for low-temperature high-toughness niobium micro-alloy steel |
| CN102554499A (en) * | 2010-12-28 | 2012-07-11 | 昆山京群焊材科技有限公司 | Ultralow-temperature high-corrosion-resistance welding rod |
| CN102626836A (en) * | 2012-05-02 | 2012-08-08 | 武汉科技大学 | High-toughness solid wire for 1000MPa-level engineering machinery steel |
| CN102632348A (en) * | 2012-05-03 | 2012-08-15 | 武汉科技大学 | Solid-cored welding wire capable of improving fatigue performance of high-strength steel welding joint of engineering machinery |
| CN102649202A (en) * | 2011-02-23 | 2012-08-29 | 宝山钢铁股份有限公司 | Stainless steel welding wire |
| CN102825397A (en) * | 2012-09-07 | 2012-12-19 | 首钢总公司 | Corrosion-resistant welding wire for bottom plate under cargo oil tank of tanker |
| CN103121149A (en) * | 2013-03-19 | 2013-05-29 | 武汉科技大学 | Submerged arc welding wire used for pipeline steel of carbon dioxide corrosion resistant 65 ksi strength grade |
| CN104028917A (en) * | 2014-06-04 | 2014-09-10 | 西安理工大学 | Flux-cored wire for fusion welding butt joint of titanium-steel composite board and preparation method of flux-cored wire |
| CN104722949A (en) * | 2015-02-02 | 2015-06-24 | 温州大学 | Solid-core welding wire for reducing welding residual stress of high-strength steel |
| CN104772576A (en) * | 2015-03-20 | 2015-07-15 | 机械科学研究院哈尔滨焊接研究所 | 308L submerged arc welding wire with improved 350-DEG C high-temperature tensile strength |
| CN104801881A (en) * | 2015-04-24 | 2015-07-29 | 柳州金茂机械有限公司 | Welding agent formula for welding process |
| TWI499470B (en) * | 2011-11-01 | 2015-09-11 | ||
| CN105252170A (en) * | 2015-09-22 | 2016-01-20 | 机械科学研究院哈尔滨焊接研究所 | Stainless steel submerged-arc welding strip with improved room temperature tensile strength |
| CN105643140A (en) * | 2016-03-30 | 2016-06-08 | 内蒙古第机械集团有限公司 | Welding wire special for high-nitrogen austenitic stainless steel |
| CN105772987A (en) * | 2016-05-18 | 2016-07-20 | 首钢总公司 | Welding wire used for continuous casting roller surfacing |
| CN106078001A (en) * | 2016-08-05 | 2016-11-09 | 天长市通联焊业有限公司 | A kind of Oil-gas Long-distance Transportation Pipeline welding wire with excellent toughness |
| CN106141498A (en) * | 2016-08-05 | 2016-11-23 | 天长市通联焊业有限公司 | A kind of Oil-gas Long-distance Transportation Pipeline high intensity welding wire |
| CN106238960A (en) * | 2016-08-05 | 2016-12-21 | 天长市通联焊业有限公司 | A kind of low-temperature storage tank welding wire with excellent toughness and drawing property |
| CN106271199A (en) * | 2016-08-05 | 2017-01-04 | 天长市通联焊业有限公司 | A kind of corrosion-resistant welding wire of low-temperature storage tank |
| CN106563888A (en) * | 2015-10-10 | 2017-04-19 | 丹阳市华龙特钢有限公司 | High-cost-performance submerged-arc welding wire and producing method thereof |
| CN106563892A (en) * | 2015-10-10 | 2017-04-19 | 丹阳市华龙特钢有限公司 | Corrosion-resisting austenitic stainless steel submerged-arc welding wire and production method thereof |
| CN106563889A (en) * | 2015-10-10 | 2017-04-19 | 丹阳市华龙特钢有限公司 | Fracturing-preventing corrosion resistance austenite stainless steel submerged-arc welding wire and production method thereof |
| CN106736028A (en) * | 2016-12-15 | 2017-05-31 | 昆山京群焊材科技有限公司 | A kind of austenitic stainless steel welding wire for submerged-arc welding |
| CN106794555A (en) * | 2014-10-08 | 2017-05-31 | 舒瑞普国际股份公司 | For the brazing material and method of soldering austenitic stainless steel article |
| CN106938375A (en) * | 2017-03-28 | 2017-07-11 | 武汉科技大学 | Suitable for the gas metal-arc welding welding wire of 196 DEG C of operating temperatures |
| CN107009046A (en) * | 2017-03-28 | 2017-08-04 | 武汉科技大学 | The tungsten argon arc welding solid core welding wire welded for ultralow temperature potassium steel |
| CN107052618A (en) * | 2017-03-28 | 2017-08-18 | 武汉科技大学 | The potassium steel of LNG basins is prepared with full-automatic submerged arc welding solid core welding wire |
| CN107553004A (en) * | 2017-09-28 | 2018-01-09 | 中国科学院金属研究所 | A kind of sodium-cooled fast reactor austenitic stainless steel bare wire and its application |
| CN107900555A (en) * | 2017-12-18 | 2018-04-13 | 武汉钢铁有限公司 | A kind of welding wire for 630MPa grades high Nb steel two pass submerged-arc welding |
| CN110064865A (en) * | 2019-05-06 | 2019-07-30 | 上海炳晟机电科技有限公司 | A kind of gas shield welding wire welded for circulating fluidized bed boiler rare earth alloy backplate and water-cooling wall fin |
| CN111590238A (en) * | 2020-05-28 | 2020-08-28 | 南京钢铁股份有限公司 | Ni-saving low-temperature steel submerged-arc welding wire for cryogenic environment and welding process |
| CN111805120A (en) * | 2020-07-31 | 2020-10-23 | 天津市永昌焊丝有限公司 | Consumable electrode solid welding wire for welding extremely-low-temperature austenite high-manganese steel |
| CN111922625A (en) * | 2020-08-12 | 2020-11-13 | 中国人民解放军第五七一九工厂 | Welding repair method for crack defects of flame divider of aircraft engine |
| CN112899575A (en) * | 2021-01-20 | 2021-06-04 | 钢铁研究总院 | Austenitic stainless steel wire material manufactured based on cold metal transition arc additive manufacturing and process |
| CN112935620A (en) * | 2021-01-14 | 2021-06-11 | 上海欣冈贸易有限公司 | Metal composition for welding |
| CN113146095A (en) * | 2021-03-01 | 2021-07-23 | 哈尔滨威尔焊接有限责任公司 | Special welding material for austenite high-alloy steel and application |
| CN114535862A (en) * | 2021-12-14 | 2022-05-27 | 钢铁研究总院 | High-strength and high-toughness low-temperature stainless steel welding wire and postweld heat treatment method thereof |
-
2008
- 2008-03-28 CN CN2008100200962A patent/CN101244494B/en active Active
Cited By (50)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101722352B (en) * | 2010-01-19 | 2012-05-02 | 南京钢铁股份有限公司 | Submerged arc welding process for low-temperature high-toughness niobium micro-alloy steel |
| CN102233494A (en) * | 2010-04-27 | 2011-11-09 | 昆山京群焊材科技有限公司 | Stainless steel band electrode electroslag surfacing welding strip and welding flux |
| CN102233494B (en) * | 2010-04-27 | 2012-12-05 | 昆山京群焊材科技有限公司 | Stainless steel band electrode electroslag surfacing welding strip and welding flux |
| CN102009285A (en) * | 2010-11-18 | 2011-04-13 | 中国石油天然气集团公司 | Submerged arc welding wire used for X80 pipe fitting |
| CN102019517B (en) * | 2010-12-10 | 2012-11-21 | 哈尔滨威尔焊接有限责任公司 | Novel stainless steel submerged-arc welding wire for improving tensile strength after heat treatment |
| CN102019517A (en) * | 2010-12-10 | 2011-04-20 | 哈尔滨威尔焊接有限责任公司 | Novel stainless steel submerged-arc welding wire for improving tensile strength after heat treatment |
| CN102554499A (en) * | 2010-12-28 | 2012-07-11 | 昆山京群焊材科技有限公司 | Ultralow-temperature high-corrosion-resistance welding rod |
| CN102554499B (en) * | 2010-12-28 | 2014-03-19 | 昆山京群焊材科技有限公司 | Ultralow-temperature high-corrosion-resistance welding rod |
| CN102649202A (en) * | 2011-02-23 | 2012-08-29 | 宝山钢铁股份有限公司 | Stainless steel welding wire |
| TWI499470B (en) * | 2011-11-01 | 2015-09-11 | ||
| CN102626836A (en) * | 2012-05-02 | 2012-08-08 | 武汉科技大学 | High-toughness solid wire for 1000MPa-level engineering machinery steel |
| CN102632348A (en) * | 2012-05-03 | 2012-08-15 | 武汉科技大学 | Solid-cored welding wire capable of improving fatigue performance of high-strength steel welding joint of engineering machinery |
| CN102632348B (en) * | 2012-05-03 | 2014-02-26 | 武汉科技大学 | Solid-cored welding wire capable of improving fatigue performance of high-strength steel welding joint of engineering machinery |
| CN102825397A (en) * | 2012-09-07 | 2012-12-19 | 首钢总公司 | Corrosion-resistant welding wire for bottom plate under cargo oil tank of tanker |
| CN103121149A (en) * | 2013-03-19 | 2013-05-29 | 武汉科技大学 | Submerged arc welding wire used for pipeline steel of carbon dioxide corrosion resistant 65 ksi strength grade |
| CN103121149B (en) * | 2013-03-19 | 2015-01-28 | 武汉科技大学 | Submerged arc welding wire used for pipeline steel of carbon dioxide corrosion resistant 65 ksi strength grade |
| CN104028917A (en) * | 2014-06-04 | 2014-09-10 | 西安理工大学 | Flux-cored wire for fusion welding butt joint of titanium-steel composite board and preparation method of flux-cored wire |
| CN104028917B (en) * | 2014-06-04 | 2016-06-29 | 西安理工大学 | Flux-cored wire of titanium-steel composite board and preparation method thereof is docked for melting welding |
| CN106794555A (en) * | 2014-10-08 | 2017-05-31 | 舒瑞普国际股份公司 | For the brazing material and method of soldering austenitic stainless steel article |
| CN104722949A (en) * | 2015-02-02 | 2015-06-24 | 温州大学 | Solid-core welding wire for reducing welding residual stress of high-strength steel |
| CN104772576A (en) * | 2015-03-20 | 2015-07-15 | 机械科学研究院哈尔滨焊接研究所 | 308L submerged arc welding wire with improved 350-DEG C high-temperature tensile strength |
| CN104801881A (en) * | 2015-04-24 | 2015-07-29 | 柳州金茂机械有限公司 | Welding agent formula for welding process |
| CN105252170A (en) * | 2015-09-22 | 2016-01-20 | 机械科学研究院哈尔滨焊接研究所 | Stainless steel submerged-arc welding strip with improved room temperature tensile strength |
| CN106563888A (en) * | 2015-10-10 | 2017-04-19 | 丹阳市华龙特钢有限公司 | High-cost-performance submerged-arc welding wire and producing method thereof |
| CN106563889A (en) * | 2015-10-10 | 2017-04-19 | 丹阳市华龙特钢有限公司 | Fracturing-preventing corrosion resistance austenite stainless steel submerged-arc welding wire and production method thereof |
| CN106563892A (en) * | 2015-10-10 | 2017-04-19 | 丹阳市华龙特钢有限公司 | Corrosion-resisting austenitic stainless steel submerged-arc welding wire and production method thereof |
| CN105643140A (en) * | 2016-03-30 | 2016-06-08 | 内蒙古第机械集团有限公司 | Welding wire special for high-nitrogen austenitic stainless steel |
| CN105772987A (en) * | 2016-05-18 | 2016-07-20 | 首钢总公司 | Welding wire used for continuous casting roller surfacing |
| CN106078001A (en) * | 2016-08-05 | 2016-11-09 | 天长市通联焊业有限公司 | A kind of Oil-gas Long-distance Transportation Pipeline welding wire with excellent toughness |
| CN106271199A (en) * | 2016-08-05 | 2017-01-04 | 天长市通联焊业有限公司 | A kind of corrosion-resistant welding wire of low-temperature storage tank |
| CN106238960A (en) * | 2016-08-05 | 2016-12-21 | 天长市通联焊业有限公司 | A kind of low-temperature storage tank welding wire with excellent toughness and drawing property |
| CN106141498A (en) * | 2016-08-05 | 2016-11-23 | 天长市通联焊业有限公司 | A kind of Oil-gas Long-distance Transportation Pipeline high intensity welding wire |
| CN106736028A (en) * | 2016-12-15 | 2017-05-31 | 昆山京群焊材科技有限公司 | A kind of austenitic stainless steel welding wire for submerged-arc welding |
| CN107052618B (en) * | 2017-03-28 | 2019-03-19 | 武汉科技大学 | Prepare the full-automatic submerged arc welding solid core welding wire of potassium steel of LNG basin |
| CN107052618A (en) * | 2017-03-28 | 2017-08-18 | 武汉科技大学 | The potassium steel of LNG basins is prepared with full-automatic submerged arc welding solid core welding wire |
| CN106938375B (en) * | 2017-03-28 | 2019-03-19 | 武汉科技大学 | Gas metal-arc welding welding wire suitable for -196 DEG C of operating temperatures |
| CN106938375A (en) * | 2017-03-28 | 2017-07-11 | 武汉科技大学 | Suitable for the gas metal-arc welding welding wire of 196 DEG C of operating temperatures |
| CN107009046A (en) * | 2017-03-28 | 2017-08-04 | 武汉科技大学 | The tungsten argon arc welding solid core welding wire welded for ultralow temperature potassium steel |
| CN107553004A (en) * | 2017-09-28 | 2018-01-09 | 中国科学院金属研究所 | A kind of sodium-cooled fast reactor austenitic stainless steel bare wire and its application |
| CN107900555A (en) * | 2017-12-18 | 2018-04-13 | 武汉钢铁有限公司 | A kind of welding wire for 630MPa grades high Nb steel two pass submerged-arc welding |
| CN107900555B (en) * | 2017-12-18 | 2020-04-21 | 武汉钢铁有限公司 | Welding wire for 630MPa grade high Nb steel double-channel submerged arc welding |
| CN110064865B (en) * | 2019-05-06 | 2021-01-01 | 上海炳晟机电科技有限公司 | Gas shield welding wire for welding circulating fluidized bed boiler protection plate and water-cooled wall fin |
| CN110064865A (en) * | 2019-05-06 | 2019-07-30 | 上海炳晟机电科技有限公司 | A kind of gas shield welding wire welded for circulating fluidized bed boiler rare earth alloy backplate and water-cooling wall fin |
| CN111590238A (en) * | 2020-05-28 | 2020-08-28 | 南京钢铁股份有限公司 | Ni-saving low-temperature steel submerged-arc welding wire for cryogenic environment and welding process |
| CN111805120A (en) * | 2020-07-31 | 2020-10-23 | 天津市永昌焊丝有限公司 | Consumable electrode solid welding wire for welding extremely-low-temperature austenite high-manganese steel |
| CN111922625A (en) * | 2020-08-12 | 2020-11-13 | 中国人民解放军第五七一九工厂 | Welding repair method for crack defects of flame divider of aircraft engine |
| CN112935620A (en) * | 2021-01-14 | 2021-06-11 | 上海欣冈贸易有限公司 | Metal composition for welding |
| CN112899575A (en) * | 2021-01-20 | 2021-06-04 | 钢铁研究总院 | Austenitic stainless steel wire material manufactured based on cold metal transition arc additive manufacturing and process |
| CN113146095A (en) * | 2021-03-01 | 2021-07-23 | 哈尔滨威尔焊接有限责任公司 | Special welding material for austenite high-alloy steel and application |
| CN114535862A (en) * | 2021-12-14 | 2022-05-27 | 钢铁研究总院 | High-strength and high-toughness low-temperature stainless steel welding wire and postweld heat treatment method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101244494B (en) | 2010-06-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101244494B (en) | Austenitic stainless steel buried arc welding wire for low-temperature equipment | |
| CN100519050C (en) | Austenitic stainless steel gas shield welding wire for vehicle | |
| CN100441364C (en) | High ductility buried arc welding wire for low-alloy super-strength steel | |
| CN101716706B (en) | High-strength alloy solid cored welding wire | |
| CN1290661C (en) | High strength high tenacity high weather resistant gas protecting welding wire | |
| CN102753300A (en) | Ultra high-strength welded joint and method for producing same | |
| CN102268600B (en) | Automobile compressed natural gas (CNG) bottle steel and production method thereof | |
| CN103056548B (en) | High-strength heat-resistant steel gas-shielded solid wire | |
| CN104923967B (en) | The high-strength and high ductility gas shield welding wire and weld metal of preheating can be exempted | |
| CN102459656A (en) | Process for producing thick high-strength steel plate with excellent toughness of heat-affected zone in high heat input welding and thick high-strength steel plate with excellent toughness of heat-affected zone in high heat input welding | |
| CN111805120A (en) | Consumable electrode solid welding wire for welding extremely-low-temperature austenite high-manganese steel | |
| CN101987403A (en) | 900MPa-level high-performance gas shielded welding wire | |
| CN106001987A (en) | Weather-resistant submerged arc welding wire for free-coating weather-resistant steel bridge | |
| CN102756219B (en) | A kind of welding wire, wire rod and its application | |
| CN102586683B (en) | Ni-series low-temperature steel, manufacture method thereof, liquefied natural gas storage tank and ship body for transportation ship | |
| CN100523255C (en) | Soldering steel plate in high intensity in use for ocean by large line energy, and manufacturing method | |
| CN111347191A (en) | High-ferrite high-strength stainless steel welding rod special for LNG storage tank | |
| CN103422017A (en) | Seamless steel tube used in environment with delivery temperature below -130 DEG C and manufacturing method thereof | |
| CN101837525B (en) | Welding rod of arc welding in large heat input welding | |
| CN102441745B (en) | Weather resisting gas shielded welding wire for bogie of high-speed train | |
| JP2009185343A (en) | High strength thick steel plate having excellent toughness in high heat input weld zone and brittle crack propagation arrest property, and method for producing the same | |
| CN104759734A (en) | Manual welding method for corrosion resisting steel of oil cargo tank of crude oil carrier | |
| CN110449701A (en) | A kind of butt joint submerged-arc welding of 630MPa grades of moving pressure container steel | |
| CN102011065B (en) | Alloy powder for manufacturing embossed label plate by laser cladding | |
| CN108165891B (en) | Extreme environment-resistant high-strength high-toughness low-carbon martensitic cast steel and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: CHANGZHOU HUATONG WELDING INDUSTRY CO., LTD. Free format text: FORMER NAME: HUATONG WELD STICKS CO., LTD., CHANGZHOU |
|
| CP03 | Change of name, title or address |
Address after: 213102 observation Town, Wujin District, Jiangsu, Changzhou Patentee after: Changzhou Huatong Welding Industry Co., Ltd. Address before: 213102, No. 7, industrial road, Guan Zhen Town, Wujin District, Jiangsu, Changzhou Patentee before: Changzhou Huatong Welding Wire Co., Ltd. |
|
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 213102 observation Town, Wujin District, Jiangsu, Changzhou Patentee after: Ha Welding Institute (Changzhou) welding industry Limited by Share Ltd Address before: 213102 observation Town, Wujin District, Jiangsu, Changzhou Patentee before: Changzhou Huatong Welding Industry Co., Ltd. |