CN101549443A - Submerged arc welding wire material for X80 pipeline steel and preparing method thereof - Google Patents
Submerged arc welding wire material for X80 pipeline steel and preparing method thereof Download PDFInfo
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Abstract
A submerged arc welding wire material for X80 pipeline steel comprises the following components according to weight percentage: 0.040 percent to 0.060 percent of C, 0.010 percent to 0.200 percent of Si, 1.700 percent to 2.000 percent of Mn, 0.500 percent to 1.000 percent of Ni, 0.200 percent to 0.700 percent of Mo, 0.200 percent to 0.600 percent of Cr, 0.005 percent to 0.040 percent of Ti, 0.100 percent to 0.250 percent of Ce, 0.200 percent to 0.300 percent of Cu and the residual percentage of Fe, and the weight sum of the components is 1.00 percent. When being matched with alkali sintered flux for use, the welding wire material that is obtained by adopting an electric furnace smelting method has the properties of strong weld seam strength, better H2S stress corrosion resistance and better low-temperature flexibility, the weld seam strength and the flexibility can be matched with substrate of high-grade pipeline steel, and the material is suitable for welding pipeline steel with the strength level ReL of more than 555 MPa and above and other structural steel.
Description
Technical field
The present invention relates to a kind of solder wire material, the solder wire material of submerged-arc welding that particularly a kind of Oil and Natural Gas Transportation Pipeline is used with steel X80 level pipe line steel the invention still further relates to the preparation method of this solder wire material.
Background technology
Oil, natural-gas transfer pipeline are usually located at the more abominable area of environment, as extremely cold district, earthquake zone or area, ocean, high strength and low-temperature flexibility to conveyance conduit require to increase day by day, this has just impelled succeeding in developing of high grade pipe line steel (X80 pipe line steel), and the X80 pipe line steel is described as 21 century natural-gas transfer pipeline steel by industrially developed country.High grade pipe line steel requires high strength, good low-temperature toughness and corrosion resistance, the high quality welding material that matches also becomes one of focus of concern, be the stress corrosion resistant of raising long-distance transport pipes, especially gas transmission line and the ability of anti-hydrogen induced cracking, the basic demand of antagonism corroded pipeline steel welded joint has: 1) hardness is less than HRC22 or Hv248; 2) contain the S amount less than 0.002%; 3) tissue of welding point; 4) reduce C, P, Si, to prevent segregation and to reduce line of segragation hardness; 5) by the interpolation of Cu, Ni,, prevent the intrusion of hydrogen to form passivating film.How to guarantee the obdurability and the low-temperature flexibility of welding point, be used for the pipe line steel welding wire for submerged-arc welding both at home and abroad and have the GB2090615 of nineteen eighty-two Britain application " little molybdenum or do not have the welding material of molybdenum " " WELDING MATERIALS CONTAINING LITTLEMOLYBDENUM ", publication number GB2090615, open date 14.07.1982, Patent Granted witheffect from 24.10.1984 (Section 25 (1)) with title.WELDING MATERIALSCONTAINING LITTLE MOLYBDENUM), its alloy is C-Mn-Cr-(Mo)-Ti-B; 92 years General Institute of Iron and Steel, Ministry of＜atallurgical Industry etc. have applied for " low carbon micro alloyed submerged-arc welding wire " (patent No. ZL92105621.4, publication number 1068528, open date 1993.02.03), and its alloy is C-Mn-Mo; The disclosed solder wire material weak point of these patent documentations is that pearlitic generation is arranged in the weld seam, has reduced toughness, and intensity can not satisfy the instructions for use of high grade pipe line steel.Wuhan Iron ﹠ Steel (Group) Corp. had developed " low-alloy high-strength and high-toughness submerged-arc welding electrode " (patent No. ZL97104393.0, publication number 1200317, open date 1998.12.02) in 1997.Calendar year 2001, Wuhan Iron ﹠ Steel (Group) Corp. developed " high-performance pipe line steel welding wire for submerged-arc welding " (patent No. ZL01106520.6, publication number 1305879, open date 2001.08.01), its alloy is C-Mn-Cr-Ni-Ti-B, this welding wire is compared with traditional welding wire, performance has had raising by a relatively large margin, but only depends on weld seam acicular ferrite structure to be difficult to form the intrusion that passivating film is resisted hydrogen among the H2S, and yield strength is difficult to satisfy the requirement of X80 level pipeline pipeline steel.North China Petroleum Steel Tube Factory had developed " X80 pipeline steel submerged arc welding wire " (application number 200710139338.5 in 2007, publication number CN101254575, open date 2008.09.03), its alloy is C-Mn-Mo-Ti-B, its weld seam and heat affected area quality can satisfy petroleum gas carries specification requirements such as welding steel pipe high strength degree, high tenacity and softs, but the chemical composition of the welding wire among the present invention is compared with it and had than big-difference.
Summary of the invention
In order to solve the obdurability and the low-temperature flexibility of X80 level pipe line steel welding point, the purpose of this invention is to provide the solder wire material of submerged-arc welding that a kind of X80 level pipe line steel is used, use with the alkalescent sintered flux coupling, the welding high grade pipe line steel, the postwelding weld seam can satisfy obdurability, low-temperature flexibility and the anti-H of X80 level pipe line steel
2The requirement of S corrosive nature.
Another object of the present invention provides the preparation method of above-mentioned solder wire material.
The technical solution adopted in the present invention is: X80 pipe line steel solder wire material of submerged-arc welding, this material is composed of the following components by weight percentage: 0.040%～0.060% C, 0.010%～0.200% Si, 1.700%～2.000% Mn, 0.500%～1.000% Ni, 0.200%～0.700% Mo, 0.200%～0.600% Cr, 0.005%～0.040% Ti, 0.100%～0.250% Ce, 0.20%～0.300% Cu, surplus is Fe, the weight sum of each component is 100%.
Another technical scheme of the present invention is: the X80 pipe line steel preparation method of solder wire material of submerged-arc welding, this solder wire material, composed of the following components by weight percentage: 0.040%～0.060% C, 0.010%～0.200% Si, 1.700%～2.000% Mn, 0.500%～1.000% Ni, 0.200%～0.700% Mo, 0.200%～0.600% Cr, 0.005%～0.040% Ti, 0.100%～0.250% Ce, 0.200%～0.300% Cu, surplus is Fe, the weight sum of each component is 100%, this solder wire material adopts electric furnace smelting method to make, wherein Cu, Ce, Ti-Fe, Mo-Fe adds when refining, and the control tapping temperature is 1550 ± 20 ℃.
Solder wire material of the present invention has following characteristics:
1, stable being easy to of welding wire steel smelting process of the present invention realized better performances such as the drawing of the rolling and welding wire of steel billet, copper facing.
2, welding wire of the present invention is used for R
EL〉=555MPa and above intensity rank pipe line steel and the welding of other structural steel, the weld strength height, impact flexibility and cryogenic property satisfy the requirement of X80 level pipe line steel, and weld seam has better anti-H
2Performances such as S stress corrosion, weld strength and toughness can be mated with the base material of high grade pipe line steel fully.
3, adopt welding wire welding of the present invention can adapt to the process characteristic of pipe line steel Double Wire Welding or multifibres weldering and front and back, inside and outside silk high-speed welding.
4, welding wire weld structure of the present invention is as-welded is acicular ferrite and bainite structure, therefore has high strength and good low-temperature toughness.
Description of drawings
Fig. 1 is the metallographic structure photo that carries out welded seam with solder wire material of the present invention.
The specific embodiment
The present invention is described in detail below in conjunction with the drawings and specific embodiments.
Solder wire material of the present invention, composed of the following components by weight percentage: 0.040%～0.060% C, 0.010%～0.200% Si, 1.700%～2.000% Mn, 0.500%～1.000% Ni, 0.200%～0.700% Mo, 0.200%～0.600% Cr, 0.005%～0.040% Ti, 0.100%～0.250% Ce, 0.20%～0.300% Cu, surplus is Fe, the weight sum of each component is 100%.In order to guarantee that welding point has high toughness and anti-H
2The S stress corrosion performance, the impurity S in the control material is lower than 0.005%, and P is lower than 0.015%.
In the component and content of above-mentioned prescription:
C content is between 0.04%～0.06% in the welding wire, and smelting cost is little, is easy to control;
At C content is 0.04%～0.06% o'clock, Mn is controlled in 1.7%～2.0% the scope, guarantees the acquisition of high tenacity, and Mn can reduce the transition temperature of γ → α effectively, suppress the formation of crystal boundary pro-eutectoid ferrite, impel and form acicular ferrite structure in the weld seam;
Si is controlled at 0.01%～0.20%, when Mn, Si exist simultaneously, can be used as deoxidier, increases with the Si constituent content, and the phase transition temperature in the time of can making continuous the cooling reduces gradually, structure refinement;
Ni is controlled at 0.5%～1.0%, because Ni can improve the toughness of ferrite matrix and promote acicular ferrite to form, can and improve low-temperature impact toughness so Ni can improve cold-crack resistance;
Mo is controlled at 0.200%～0.700%, the general grain refinement of coarse grain zone and fine grained region, and the incomplete transformation district forms ferrite and carbide bundle group, and the hardness of weld seam, yield point and tensile strength all are improved;
Cr is the element that enlarges the γ phase region, reduces γ → α phase transformation critical-temperature, austenite is changed carry out under lower temperature, is convenient to generate acicular ferrite;
Cu is controlled at 0.2%～0.3%, and Cu is remarkable refinement acicular ferrite to the main influence of acicular ferrite, and another characteristics are that Cu is one of effective elements of opposing atmospheric corrosiveness, promptly anti-H
2The S corrosion;
Ti is controlled at 0.005%～0.040%, add Ti in the weld metal, intensity is slightly improved, the oxidisability field trash (TiO) of titaniferous has promoted at austenite crystal intragranular forming core, help the generation of intracrystalline acicular ferrite, and TiN has very high high-temperature stability, is suppressed at the growth process that austenite grain boundary moves and crystal grain is annexed mutually under the high heat input effectively, can guarantee that weld metal has good Charpy-V impact power and COD value;
The Ce rare earth is controlled at 0.1%～0.25%, after the Ce rare earth element adds weld seam, can be enriched in the silicate inclusion, make inclusion balling, and distribute with disperse state, thereby the forming core that helps acicular ferrite (AF) has suppressed pro-eutectoid ferrite (PF), makes seam organization obtain refinement.
Below verify effect of the present invention with instantiation.
Embodiment 1
Get 0.043% C by weight percentage, 0.200% Si, 1.800% Mn, 0.890% Ni, 0.700% Mo, 0.500% Cr, 0.210% Cu, 0.012% Ti, 0.100% Ce, surplus is Fe, smelt with conventional electric furnace smelting method, add Cu, Ce, Ti-Fe, Mo-Fe during refining, the control tapping temperature is 1570 ℃, impurity S is lower than 0.005% in the control material, and P is lower than 0.015%.
This welding wire and SJ101G solder flux coupling, welding 15mm thick X 80 pipe line steel, the chemical composition of steel mainly contains 0.06% C by weight percentage, 1.57% Mn, 0.24% Si, 0.29% Mo, 0.14% Ni, 0.045% Cu, 0.04% Nb, 0.013% Ti, 0.0006% B, 0.01% V, 0.005% S, 0.033% P.Welding procedure is asymmetric X type groove, each weldering one of positive and negative, and back root cleaning, welding condition are first 600A of welding current, second 700A, weldingvoltage 32V welds fast 26m/h.The metallographic structure of gained weld seam is referring to Fig. 1.
Welding point is tested by API 5L standard, and cold-bending property is qualified, and stretching and Hardness Surveillance result are as shown in table 1, and the impact assay is as shown in table 2.
Table 1X80 level pipe line steel welding point stretches and hardness test
| Project | R eL(MPa) | R m(MPa) | R eL/R m | A％ | The fracture place | Hardness (Hv10) |
| Coupling SJ101G | 570～603 | 683～746 | 0.80～0.83 | 22～24 | HAZ | 194～225 |
| Requirement | ≥555 | 620～827 | ≤0.93 | ≥18 | / | ≤242 |
Table 2X80 level pipe line steel welding point impact test
Embodiment 2
Get 0.040% C by weight percentage, 0.030% Si, 1.700% Mn, 0.500% Ni, 0.200% Mo, 0.340% Cr, 0.300% Cu, 0.030% Ti, 0.220% Ce, surplus is Fe, smelt with conventional electric furnace smelting method, add Cu, Ce, Ti-Fe, Mo-Fe during refining, the control tapping temperature is 1550 ℃, impurity S is lower than 0.005% in the control material, and P is lower than 0.015%.
This welding wire and SJ101G solder flux coupling, welding 15mm thick X 80 pipe line steel, the chemical composition of steel and welding procedure are with embodiment 1.Welding point is tested by API 5L standard, and cold-bending property is qualified, and stretching and Hardness Surveillance result are as shown in table 3, and the impact assay is as shown in table 4.
Table 3X80 level pipe line steel welding point stretches and hardness test
| Project | R eL(MPa) | R m(MPa) | R eL/R m | A％ | The fracture place | Hardness (Hv10) |
| Coupling SJ101G | 564～590 | 664～716 | 0.82～0.85 | 23～26 | HAZ | 186～234 |
Table 4X80 level pipe line steel welding point impact test
Embodiment 3
Get 0.051% C by weight percentage, 0.010% Si, 1.810% Mn, 1.000% Ni, 0.470% Mo, 0.600% Cr, 0.200% Cu, 0.005% Ti, 0.150% Ce, surplus is Fe, smelt with conventional electric furnace smelting method, add Cu, Ce, Ti-Fe, Mo-Fe during refining, the control tapping temperature is 1570 ℃, impurity S is lower than 0.005% in the control material, and P is lower than 0.015%.
This welding wire and SJ101G solder flux coupling, welding 15mm thick X 80 pipe line steel, the chemical composition of steel and welding procedure are with embodiment 1.Welding point is tested by API 5L standard, and cold-bending property is qualified, and stretching and Hardness Surveillance result are as shown in table 5, and the impact assay is as shown in table 6.
Table 5X80 level pipe line steel welding point stretches and hardness test
| Project | R eL(MPa) | R m(MPa) | R eL/R m | A％ | The fracture place | Hardness (Hv10) |
| Coupling SJ101G | 583～618 | 678～728 | 0.84～0.86 | 21～24 | HAZ | 192～234 |
Table 6X80 level pipe line steel welding point impact test
Embodiment 4
Get 0.060% C by weight percentage, 0.130% Si, 2.000% Mn, 0.620% Ni, 0.420% Mo, 0.200% Cr, 0.280% Cu, 0.040% Ti, 0.250% Ce, surplus is Fe, smelt with conventional electric furnace smelting method, add Cu, Ce, Ti-Fe, Mo-Fe during refining, the control tapping temperature is 1530 ℃, impurity S is lower than 0.005% in the control material, and P is lower than 0.015%.
This welding wire and SJ101G solder flux coupling, welding 15mm thick X 80 pipe line steel, the chemical composition of steel and welding procedure are with embodiment 1.Welding point is tested by API 5L standard, and cold-bending property is qualified, and stretching and Hardness Surveillance result are as shown in table 7, and the impact assay is as shown in table 8.
Table 7X80 level pipe line steel welding point stretches and hardness test
| Project | R eL(MPa) | R m(MPa) | R eL/R m | A％ | The fracture place | Hardness (Hv10) |
| Coupling SJ101G | 588～624 | 693～732 | 0.84～0.85 | 22～25 | HAZ | 210～238 |
Table 8X80 level pipe line steel welding point impact test
Embodiment 5
Get 0.055% C by weight percentage, 0.180% Si, 2.000% Mn, 1.000% Ni, 0.370% Mo, 0.310% Cr, 0.240% Cu, 0.028% Ti, 0.220% Ce, surplus is Fe, smelt with conventional electric furnace smelting method, add Cu, Ce, Ti-Fe, Mo-Fe during refining, the control tapping temperature is 1550 ℃, impurity S is lower than 0.005% in the control material, and P is lower than 0.015%.
This welding wire and SJ101G solder flux coupling, welding 15mm thick X 80 pipe line steel, the chemical composition of steel and welding procedure are with embodiment 1.Welding point is tested by API 5L standard, and cold-bending property is qualified, and stretching and Hardness Surveillance result are as shown in table 9, and the impact assay is as shown in table 10.
Table 9X80 level pipe line steel welding point stretches and hardness test
| Project | R eL(MPa) | R m(MPa) | R eL/R m | A％ | The fracture place | Hardness (Hv10) |
| Coupling SJ101G | 598～630 | 704～742 | 0.83～0.85 | 23～24 | HAZ | 212～242 |
Table 10X80 level pipe line steel welding point impact test
Embodiment 6
Get 0.04% C by weight percentage, 0.014% Si, 1.880% Mn, 0.770% Ni, 0.540% Mo, 0.340% Cr, 0.270% Cu, 0.035% Ti, 0.170% Ce, surplus is Fe, smelt with conventional electric furnace smelting method, add Cu, Ce, Ti-Fe, Mo-Fe during refining, the control tapping temperature is 1550 ℃, impurity S is lower than 0.005% in the control material, and P is lower than 0.015%.
This welding wire and SJ101G solder flux coupling, welding 15mm thick X 80 pipe line steel, the chemical composition of steel and welding procedure are with embodiment 1.Welding point is tested by API 5L standard, and cold-bending property is qualified, and stretching and Hardness Surveillance result are as shown in table 11, and the impact assay is as shown in table 12.
Table 11X80 level pipe line steel welding point stretches and hardness test
| Project | R eL(MPa) | R m(MPa) | R eL/R m | A％ | The fracture place | Hardness (Hv10) |
| Coupling SJ101G | 581～623 | 676～709 | 0.85～0.88 | 20～22 | HAZ | 192～229 |
Table 12X80 level pipe line steel welding point impact test
C is a most important alloying element in the weld metal, is to make steel obtain high-intensity most economical chemical element.But because C is to the strong influence of the hardenability of steel, in order to prevent hydrogen induced cracking and weld seam generation brittle fracture, the very low level of the common maintenance of C content in the weld seam.The hardness of weld metal, yield strength, tensile strength all improve with the increase of C content, but the impact flexibility of weld seam then reduces with the increase of C content, simultaneously, along with the rising of C content, the weldability variation, so the welding wire C content of this research is between 0.04%～0.06%, when C content less than 0.04% the time, its smelting cost increases greatly, and the cost gap between 0.04%～0.06% is little, is easy to control.This welding wire has been guaranteed the processing performance in the welding process, has reduced the hydrogen induced cracking and the hardenability tendency of weld seam;
Mn is one of main alloy element of proof strength, and this element can reduce the transition temperature of γ → α effectively, suppresses the formation of crystal boundary pro-eutectoid ferrite, impels and forms acicular ferrite structure in the weld seam.At C content is 0.03%～0.08%, and Mn can guarantee the acquisition of high tenacity in 1.7%～2.0% scope.With " X80 pipeline steel submerged arc welding wire " (application number 200710139338.5, publication number CN101254575, open date 2008.09.03) welding wire for submerged-arc welding is compared, the content of Mn is higher in the welding wire, because Mn scaling loss very easily in welding process, higher Mn content can guarantee its transition in weld seam;
Si is controlled at 0.01%～0.20%, when Mn, Si exist simultaneously, can be used as deoxidier, increases with the Si constituent content, and the phase transition temperature in the time of can making continuous the cooling reduces gradually, structure refinement.With " X80 pipeline steel submerged arc welding wire " (application number 200710139338.5, publication number CN101254575, open date 2008.09.03) welding wire for submerged-arc welding is compared, reduced the content of Si, because solder flux can be to weld seam transition Si in the submerged arc welding process, and that too high Si content is easy to generate thick carbide butt welded seam toughness is unfavorable;
Ni is controlled at 0.5%～1.0%, and Ni can improve cold-crack resistance and can and improve low-temperature impact toughness, and this mainly is because Ni can improve the toughness of ferrite matrix and promote acicular ferrite to form." X80 pipeline steel submerged arc welding wire " (application number 200710139338.5, publication number CN101254575, open date 2008.09.03) welding wire for submerged-arc welding does not add Ni;
Mo is controlled at 0.200%～0.700%, contains in the Mn weld seam to add Mo, and pro-eutectoid ferrite quantity reduces gradually, and the acicular ferrite ratio begins to increase, and reduces subsequently; The general grain refinement of coarse grain zone and fine grained region, the incomplete transformation district forms ferrite and carbide bundle group, and the hardness of weld seam, yield point and tensile strength all are improved.With " X80 pipeline steel submerged arc welding wire ", number of patent application (application number 200710139338.5, publication number CN101254575, open date 2008.09.03) welding wire for submerged-arc welding is compared, both are more or less the same by Mo content, Mo content is all lower at the ductile-brittle transition temperature of 0.700% weld seam when following, and more Mo can promote bainitic transformation, helps improving weld strength;
Cr is the element that enlarges the γ phase region, reduces γ → α phase transformation critical-temperature, austenite is changed carry out under lower temperature, is convenient to generate acicular ferrite." X80 pipeline steel submerged arc welding wire " (application number 200710139338.5, publication number CN101254575, open date 2008.09.03) welding wire for submerged-arc welding does not add Cr;
Cu is controlled at 0.2%～0.3%, the characteristics that contain the Cu seam organization are to contain a high proportion of acicular ferrite (AF), Cu is remarkable refinement acicular ferrite to the main influence of acicular ferrite, and another characteristics are that Cu is one of effective elements of opposing atmospheric corrosiveness.Compare with " X80 pipeline steel submerged arc welding wire " (application number 200710139338.5, publication number CN101254575, open date 2008.09.03) welding wire for submerged-arc welding, this welding wire Cu content is higher.
Ti is controlled at 0.005%～0.040%, add Ti in the weld metal, intensity is slightly improved, the oxidisability field trash (TiO) of titaniferous has promoted at austenite crystal intragranular forming core, help the generation of intracrystalline acicular ferrite, and TiN has very high high-temperature stability, is suppressed at the growth process that austenite grain boundary moves and crystal grain is annexed mutually under the high heat input effectively, can guarantee that weld metal has good Charpy-V impact power and COD value.With " X80 pipeline steel submerged arc welding wire " (application number 200710139338.5, publication number CN101254575, open date 2008.09.03) welding wire for submerged-arc welding is compared, controlled the addition of Ti in this welding wire, this is to make its Ti/N be not more than 3.4 in order to control, when Ti/N surpassed 3.4, the Ti of increase can form carbide, thereby worsened the welding heat influence area toughness of pipe line steel;
The Ce rare earth is controlled at 0.1%～0.25%, after the Ce rare earth element adds weld seam, can be enriched in the silicate inclusion, make inclusion balling, and distribute with disperse state, thereby the forming core that helps acicular ferrite (AF) has suppressed pro-eutectoid ferrite (PF), makes seam organization obtain refinement." X80 pipeline steel submerged arc welding wire " (application number 200710139338.5, publication number CN101254575, open date 2008.09.03) welding wire for submerged-arc welding does not add Ce.
Welding wire of the present invention adopts conventional electric furnace smelting method to make, and notices during smelting that Cu, Ce, Ti-Fe, Mo-Fe add when refining, and the control tapping temperature is 1550 ± 20 ℃.
Welding wire of the present invention and alkalescent sintered flux coupling are used, and can carry out welding condition is electric current 600～800A, weldingvoltage 32～35V, the large-line energy welding of weldering speed 26～30m/h.
High grade pipe line steel welded joint microscopic structure of the present invention is needle-like ferrite and the bainite structure of the densification under the low-carbon (LC), welding point has lower hardness, also having characteristics is low-sulfurs, concerning the high grade pipe line steel welded joint, these three factors are all to accomplish, not so the anti-H 2 S performance just can not guarantee, high strength and low-temperature flexibility also are difficult to obtain. Submerged-arc welding wire of the present invention possesses the characteristics such as high strength, high tenacity, high comprehensive performance, the R of particularly suitable and little alloying controlled rolling and controlled coolingeLThe submerged arc welding of 〉=555MPa high grade pipe line steel is applicable to the low-alloyed submerged arc welding of respective strengths grade high-strength degree simultaneously, and the chemical composition of welding wire of the present invention also can be made into other form welding with filling metal, such as welding rod, gas shield welding wire and the welding band utmost point.
Claims (3)
1. an X80 pipe line steel solder wire material of submerged-arc welding is characterized in that this material is composed of the following components by weight percentage: 0.040%～0.060% C, 0.010%～0.200% Si, 1.700%～2.000% Mn, 0.500%～1.000% Ni, 0.200%～0.700% Mo, 0.200%～0.600% Cr, 0.005%～0.040% Ti, 0.100%～0.250% Ce, 0.200%～0.300% Cu, surplus is Fe, and the weight sum of each component is 100%.
2. according to the described solder wire material of claim 1, it is characterized in that the impurity S in the control material is lower than 0.005%, P is lower than 0.015%.
3. the preparation method of the described solder wire material of claim 1, it is characterized in that, this solder wire material, composed of the following components by weight percentage: 0.040%～0.060% C, 0.010%～0.200% Si, 1.700%～2.000% Mn, 0.500%～1.000% Ni, 0.200%～0.700% Mo, 0.200%～0.600% Cr, 0.005%～0.040% Ti, 0.100%～0.250% Ce, 0.200%～0.300% Cu, surplus is Fe, and the weight sum of each component is 100%, and this solder wire material adopts electric furnace smelting method to make, Cu wherein, Ce, Ti-Fe, Mo-Fe adds when refining, and the control tapping temperature is 1550 ± 20 ℃.
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| CN102233492A (en) * | 2010-04-27 | 2011-11-09 | 昆山京群焊材科技有限公司 | Heat-resistant steel submerged arc welding wire and welding flux |
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| CN102699568A (en) * | 2012-06-19 | 2012-10-03 | 安徽朝山新材料股份有限公司 | High-ductility and anti-corrosion submerged-arc welding wire rod, welding wire and application thereof |
| CN103056555A (en) * | 2013-01-23 | 2013-04-24 | 宝山钢铁股份有限公司 | Low-cost H2S-resistant submerged arc welding wire for pipeline |
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| CN103846571A (en) * | 2014-03-26 | 2014-06-11 | 锦州天鹅焊材股份有限公司 | Welding wire for submerged-arc welding of high-efficiency X100 pipeline steel and application of welding wire |
| CN104907731A (en) * | 2015-05-25 | 2015-09-16 | 武汉铁锚焊接材料股份有限公司 | Special submerged-arc welding wire for corrosion-resistant steel welding |
| CN105234583A (en) * | 2015-10-26 | 2016-01-13 | 钢铁研究总院 | X80 submerged-arc welding wire applicable to welding of coal-to-gas pipes |
| CN106475708A (en) * | 2017-01-03 | 2017-03-08 | 天津大桥焊材集团有限公司 | Gas shielded arc welding solid welding wire for X80 pipe line steel boxing seam welding |
| CN106944764A (en) * | 2017-05-19 | 2017-07-14 | 哈焊所华通（常州）焊业股份有限公司 | A kind of bridge anticorrosive submerged arc welding material of high-performance |
| CN106944764B (en) * | 2017-05-19 | 2020-05-12 | 哈焊所华通（常州）焊业股份有限公司 | High-performance corrosion-resistant submerged-arc welding material for bridge |
| CN107598409A (en) * | 2017-08-21 | 2018-01-19 | 洛阳双瑞特种合金材料有限公司 | Gas shielded solid welding wire and preparation method for yield strength 460MPa steel |
| CN112008292A (en) * | 2019-05-29 | 2020-12-01 | 宝山钢铁股份有限公司 | Submerged arc welding wire for EH47 crack arrest steel |
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