CN104708227A - Self-protection flux-cored wire for low-temperature steel 1Ni9 and preparing method for self-protection flux-cored wire - Google Patents

Self-protection flux-cored wire for low-temperature steel 1Ni9 and preparing method for self-protection flux-cored wire Download PDF

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Publication number
CN104708227A
CN104708227A CN201510075491.0A CN201510075491A CN104708227A CN 104708227 A CN104708227 A CN 104708227A CN 201510075491 A CN201510075491 A CN 201510075491A CN 104708227 A CN104708227 A CN 104708227A
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cored wire
flux
powder
low
steel
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CN104708227B (en
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张敏
张明
刘明志
任晓龙
李继红
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Xian University of Technology
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
    • B23K35/24—Selection of soldering or welding materials proper
    • B23K35/30—Selection of soldering or welding materials proper with the principal constituent melting at less than 1550 degrees C
    • B23K35/3033—Ni as the principal constituent
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/40—Making wire or rods for soldering or welding

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Nonmetallic Welding Materials (AREA)

Abstract

A self-protection flux-cored wire for low-temperature steel 1Ni9 is composed of a sheath and a flux core, wherein the flux core is composed, by mass, 40-50% of Ni, 1-3% of Cr, 5-7% of Mn, 15-16% of CaF2, 5-7% of SiO2, 3-5% of TiO2, 5-8% of CaCO3, 4-6% of Li2CO3, 7-9% of Al and Mg alloy powder, and the balance Fe. The invention further discloses a preparing method for the self-protection flux-cored wire. The preparing method comprises the steps that the CaF2, the SiO2, the TiO2, the CaCO3, the Li2CO3 and the Al and Mg alloy powder are mixed after a bonding agent is added and then are sintered, ground and screened; the mixture is mixed with Ni, Cr, Mn and Fe powder and then dried; the obtained mixture is added in a U-shaped groove formed by rolling a low-carbon steel H08A steel belt, drawing and straightening are conducted, and the mixture is coiled into a disc and then packaged in a sealed mode. The flux-cored wire is used for welding the low-temperature steel 1Ni9 and has the good welding manufacturability, the welding splashing is little, and the welding smoke is little.

Description

1Ni9 low-temperature steel self-protection flux-cored wire and preparation method thereof
Technical field
The invention belongs to technical field of welding materials, be specifically related to a kind of 1Ni9 low-temperature steel self-protection flux-cored wire, the invention still further relates to the preparation method of this flux-cored wire.
Background technology
1Ni9 steel is a kind of excellent low temperature mild steel of the American I nco company invention forties in 20th century, and its nickel content is 8.5 ~ 9.5%, and be also called as 1Ni9 steel or 9%Ni steel, also someone is referred to as ferritic steel in addition, to be different from austenitic steel.In fact it is a kind of low-carbon (LC) quenched and tempered steel, is martensite type cryogenic steel.1Ni9 steel has excellent obdurability and weldability at-196 DEG C, compared with the stainless steel with premium properties, has few, the low-cost advantage of alloy content; Compared with low temperature aluminium alloy, there is the advantage that allowable stress is large, coefficient of thermal expansion is little.Therefore 1Ni9 steel is considered to the excellent material manufacturing low-temperature pressure container, has become the main material of various countries' storage tank (liquefied natural gas) at present.
Flux-cored wire, as the wlding of a new generation, has deposition rate high, and deposition rate is fast; Processing performance is good, is shaped attractive in appearance; The three large advantages such as composition easily adjusts, welding strong adaptability.Flux-cored wire becomes first-selected wlding gradually in recent years.
Self-protection flux-cored wire is owing to being carry out welding under the condition not having adscititious gases to protect.So a certain amount of solder flux will be added in medicine core; the slag that main dependence flux-cored wire self produces; gas is protected welding pool, also needs to add a certain amount of deoxidier, as the objectionable impurities oxygen element in the component removing molten baths such as ferrosilicon, ferromanganese, magnalium in solder flux simultaneously.Need containing slag former in self-protection flux-cored wire solder flux used, gas-forming agent, deoxidier, three kinds of compositions, from slag making, gas making, deoxidation, three levels are protected molten bath, just can reach desirable protected effect.
Summary of the invention
The object of this invention is to provide a kind of 1Ni9 low-temperature steel self-protection flux-cored wire, be exclusively used in the welding of 1Ni9 low-temperature steel, during welding, do not need additional protective gas, self-shield welding can be realized.
Another object of the present invention is to provide a kind of preparation method of 1Ni9 low-temperature steel self-protection flux-cored wire.
The technical solution adopted in the present invention is, 1Ni9 low-temperature steel self-protection flux-cored wire, and be made up of crust and medicine core, medicine core is composed of the following components by mass percentage: Ni40%-50%, Cr1%-3%, Mn5%-7%, CaF 215%-16%, SiO 25%-7%, TiO 23%-5%, CaCO 35%-8%, Li 2cO 34%-6%, Al-Mg alloyed powder 7%-9%, all the other are iron, and above constituent mass percentage sum is 100%.
Feature of the present invention is also:
Skin material is mild steel H08A steel band.
The filling rate (mass ratio) of this flux-cored wire Chinese medicine core is 20%-25%.
The diameter of this flux-cored wire is 1.2-2.0mm.
Another technical scheme of the present invention is, the preparation method of 1Ni9 low-temperature steel self-protection flux-cored wire, and concrete steps are as follows:
Step 1, takes Ni40%-50% by mass percentage respectively, Cr1%-3%, Mn5%-7%, CaF 215%-16%, SiO 25%-7%, TiO 23%-5%, CaCO 35%-8%, Li 2cO 34%-6%, Al-Mg alloyed powder 7%-9%, all the other are iron, and above constituent mass percentage sum is 100%;
Step 2, the CaF that step 1 is taken 2, SiO 2, TiO 2, CaCO 3, Li 2cO 3, Al-Mg alloyed powder adds sodium silicate binder and mixes, and is then placed in heating furnace and sinters, sieve after pulverizing, the mixed powder between screening granularity 80-100 order;
Step 3, the Ni that step 1 is claimed, Cr, Mn, the mixed powder that iron powder and step 2 obtain fully stirs, and puts into drying oven and dry 200 degrees Celsius, 2 hours after mixing;
Step 4, what mild steel H08A steel band is placed on flux-cored wire forming machine puts on band machine, by forming machine, mild steel H08A steel band is rolled into U-type groove, then in U-type groove, add the medicine core powder that step 3 obtains, the filling rate controlling medicine core powder is 25%-30%, U-type groove is rolled closed by forming machine again, and be drawn to 1.2mm-2.0mm, obtain flux-cored wire;
Step 5, finally stretching with the flux-cored wire that step 4 is prepared by wire drawing machine, coil into disk, pack.
Feature of the present invention is also,
In step 2, the addition of sodium silicate binder is 20% of powder gross weight.
In step 2, the temperature of sintering is 500-650 DEG C, and the time is 3-4h.
The invention has the beneficial effects as follows,
1. do not need additional protective gas during flux-cored wire welding of the present invention, self-shield welding can be realized.
2. this flux-cored wire is used for the welding of low-temperature steel 1Ni9, and the welding point that available can be excellent, is conducive to the use of 1Ni9 steel in low temperature environment.
3. this flux-cored wire has good welding usability, and spatter is few, and weld fumes is few.
4. invention flux-cored wire is applicable to automatic welding device, has higher production efficiency.
Detailed description of the invention
Below in conjunction with detailed description of the invention, the present invention is described in detail.
1Ni9 low-temperature steel self-protection flux-cored wire of the present invention, be made up of crust and medicine core, medicine core is composed of the following components by mass percentage: Ni40%-50%, Cr1%-3%, Mn5%-7%, CaF 215%-16%, SiO 25%-7%, TiO 23%-5%, CaCO 35%-8%, Li 2cO 34%-6%, Al-Mg alloyed powder 7%-9%, all the other are iron, and above constituent mass percentage sum is 100%.Skin material is mild steel H08A steel band.
The filling rate (mass ratio) of this flux-cored wire Chinese medicine core is 20%-25%.The diameter of this flux-cored wire is 1.2-2.0mm.
The preparation method of above-mentioned 1Ni9 low-temperature steel self-protection flux-cored wire, concrete steps are as follows:
Step 1, takes Ni40%-50% by mass percentage respectively, Cr1%-3%, Mn5%-7%, CaF 215%-16%, SiO 25%-7%, TiO 23%-5%, CaCO 35%-8%, Li 2cO 34%-6%, Al-Mg alloyed powder 7%-9%, all the other are iron, and above constituent mass percentage sum is 100%;
Step 2, the CaF that step 1 is taken 2, SiO 2, TiO 2, CaCO 3, Li 2cO 3, Al-Mg alloyed powder adds medicinal powder gross mass 20% sodium silicate binder and mixes, and is then placed in heating furnace and sinters, and sintering temperature is 500-650 DEG C, and the time is 3-4h, sieves after pulverizing, the mixed powder between screening granularity 80-100 order;
Step 3, the Ni that step 1 is claimed, Cr, Mn, the mixed powder that iron powder and step 2 obtain fully stirs, and puts into drying oven and dry 200 degrees Celsius, 2 hours after mixing;
Step 4, what mild steel H08A steel band is placed on flux-cored wire forming machine puts on band machine, by forming machine, mild steel H08A steel band is rolled into U-type groove, then in U-type groove, add the medicine core powder that step 3 obtains, the filling rate controlling medicine core powder is 25%-30%, U-type groove is rolled closed by forming machine again, and be drawn to 1.2mm-2.0mm, obtain flux-cored wire;
Step 5, finally stretching with the flux-cored wire that step 4 is prepared by wire drawing machine, coil into disk, pack.
The effect of each component in medicine core:
1, Ni has austenitizing effect, certain Ni element, can make to occur required converes instruction in weld seam.Ni also has crystal grain thinning, improves the effect of weld seam low-temperature flexibility.
2, Cr, Mn can in the intensity to a certain degree improving weld seam.
3, Si, Mn also have the effect of deoxidation, can oxygen element in a certain degree removing, purification weld seam.
4, CaF 2, SiO 2, TiO 2all there is the effect of slag making, produce slag during welding, to molten bath, there is protective effect.CaF 2, SiO 2, TiO 2also has the effect of adjustment viscosity coefficient of dross and basicity simultaneously.
5, CaCO 3, Li 2cO 3there is the effect of gas making, produce carbon dioxide during welding, molten bath is protected.
6, Al-Mg alloyed powder has the effect of deoxygenation, easy and combination with oxygen during welding, thus protects other components.
7, iron is used for supplementary residual mass, is that the quality of powder core reaches 100%.
Embodiment 1
Step 1, takes Ni400g respectively, Cr30g, Mn70g, CaF 2160g, SiO 250g, TiO 250g, CaCO 380g, Li 2cO 340g, Al-Mg powder 90g, Fe20g;
Step 2, the CaF that step 1 is taken 2, SiO 2, TiO 2, CaCO 3, Li 2cO 3, Al-Mg powder adds 200g sodium silicate binder and mixes, and is then placed in heating furnace and sinters, and the temperature of sintering is 600 DEG C, and the time is 3h.Sieve after pulverizing, the mixed powder between screening granularity 80-100 order;
Step 3, the Ni that step 1 is claimed, Cr, Mn, the mixed powder that iron powder and step 2 obtain fully stirs, and puts into drying oven and dry 200 degrees Celsius, 2 hours after mixing;
Step 4, what mild steel H08A steel band is placed on flux-cored wire forming machine puts on band machine, by forming machine, mild steel H08A steel band is rolled into U-type groove, then in U-type groove, add the medicine core powder that step 3 obtains, the filling rate controlling medicine core powder is 27%, U-type groove is rolled closed by forming machine again, and be drawn to 1.6mm, obtain flux-cored wire;
Step 5, finally stretching with the flux-cored wire that step 4 is prepared by wire drawing machine, coil into disk, pack.
Flux-cored wire prepared by embodiment 1 adopts flux cored wire arc welding (FCAW), without the need to additional protective gas.Welding current is 180-220A, and weldingvoltage is 20-23V.The tensile strength of welding point is 710Mpa, and yield limit is 500Mpa, and the contraction percentage of area is 59%, and ballistic work is 139J.Performance meets the instructions for use of 1Ni9 steel.
Embodiment 2
Step 1, takes Ni420g respectively, Cr10g, Mn60g, CaF 2150g, SiO 270g, TiO 250g, CaCO 360g, Li 2cO 350g, Al-Mg powder 70g, Fe60g;
Step 2, the CaF that step 1 is taken 2, SiO 2, TiO 2, CaCO 3, Li 2cO 3, Al-Mg powder adds 200g sodium silicate binder and mixes, and is then placed in heating furnace and sinters, and the temperature of sintering is 650 DEG C, and the time is 3h.Sieve after pulverizing, the mixed powder between screening granularity 80-100 order;
Step 3, the Ni that step 1 is claimed, Cr, Mn, the mixed powder that iron powder and step 2 obtain fully stirs, and puts into drying oven and dry 200 degrees Celsius, 2 hours after mixing;
Step 4, what mild steel H08A steel band is placed on flux-cored wire forming machine puts on band machine, by forming machine, mild steel H08A steel band is rolled into U-type groove, then in U-type groove, add the medicine core powder that step 3 obtains, the filling rate controlling medicine core powder is 26%, U-type groove is rolled closed by forming machine again, and be drawn to 1.6mm, obtain flux-cored wire;
Step 5, finally stretching with the flux-cored wire that step 4 is prepared by wire drawing machine, coil into disk, pack.
Flux-cored wire prepared by embodiment 2 adopts flux cored wire arc welding (FCAW), without the need to additional protective gas.Welding current is 180-220A, and weldingvoltage is 20-23V.The tensile strength of welding point is 716Mpa, and yield limit is 502Mpa, and the contraction percentage of area is 60%, and ballistic work is 130J.Performance meets the instructions for use of 1Ni9 steel.
Embodiment 3
Step 1, takes Ni450g respectively, Cr20g, Mn50g, CaF 2155g, SiO 260g, TiO 230g, CaCO 370g, Li 2cO 340g, Al-Mg powder 80g, Fe45g;
Step 2, the CaF that step 1 is taken 2, SiO 2, TiO 2, CaCO 3, Li 2cO 3, Al-Mg powder adds 200g sodium silicate binder and mixes, and is then placed in heating furnace and sinters, and the temperature of sintering is 500 DEG C, and the time is 4h.Sieve after pulverizing, the mixed powder between screening granularity 80-100 order;
Step 3, the Ni that step 1 is claimed, Cr, Mn, the mixed powder that iron powder and step 2 obtain fully stirs, and puts into drying oven and dry 200 degrees Celsius, 2 hours after mixing;
Step 4, what mild steel H08A steel band is placed on flux-cored wire forming machine puts on band machine, by forming machine, mild steel H08A steel band is rolled into U-type groove, then in U-type groove, add the medicine core powder that step 3 obtains, the filling rate controlling medicine core powder is 25%, U-type groove is rolled closed by forming machine again, and be drawn to 1.2mm, obtain flux-cored wire;
Step 5, finally stretching with the flux-cored wire that step 4 is prepared by wire drawing machine, coil into disk, pack.
Flux-cored wire prepared by embodiment 3 adopts flux cored wire arc welding (FCAW), without the need to additional protective gas.Welding current is 180-220A, and weldingvoltage is 20-23V.The tensile strength of welding point is 743Mpa, and yield limit is 529Mpa, and the contraction percentage of area is 65%, and ballistic work is 132J.Performance meets the instructions for use of 1Ni9 steel.
Embodiment 4
Step 1, takes Ni470g respectively, Cr10g, Mn60g, CaF 2150g, SiO 260g, TiO 240g, CaCO 350g, Li 2cO 350g, Al-Mg powder 80g, Fe30g;
Step 2, the CaF that step 1 is taken 2, SiO 2, TiO 2, CaCO 3, Li 2cO 3, Al-Mg powder adds 200g sodium silicate binder and mixes, and is then placed in heating furnace and sinters, and the temperature of sintering is 550 DEG C, and the time is 3.5h.Sieve after pulverizing, the mixed powder between screening granularity 80-100 order;
Step 3, the Ni that step 1 is claimed, Cr, Mn, the mixed powder that iron powder and step 2 obtain fully stirs, and puts into drying oven and dry 200 degrees Celsius, 2 hours after mixing;
Step 4, what mild steel H08A steel band is placed on flux-cored wire forming machine puts on band machine, by forming machine, mild steel H08A steel band is rolled into U-type groove, then in U-type groove, add the medicine core powder that step 3 obtains, the filling rate controlling medicine core powder is 30%, U-type groove is rolled closed by forming machine again, and be drawn to 2.0mm, obtain flux-cored wire;
Step 5, finally stretching with the flux-cored wire that step 4 is prepared by wire drawing machine, coil into disk, pack.
Flux-cored wire prepared by embodiment 4 adopts flux cored wire arc welding (FCAW), without the need to additional protective gas.Welding current is 180-220A, and weldingvoltage is 20-23V.The tensile strength of welding point is 727Mpa, and yield limit is 512Mpa, and the contraction percentage of area is 63%, and ballistic work is 131J.Performance meets the instructions for use of 1Ni9 steel.
Embodiment 5
Step 1, takes Ni500g respectively, Cr20g, Mn50g, CaF 2150g, SiO 250g, TiO 240g, CaCO 350g, Li 2cO 360g, Al-Mg powder 70g, Fe10g;
Step 2, the CaF that step 1 is taken 2, SiO 2, TiO 2, CaCO 3, Li 2cO 3, Al-Mg powder adds 200g sodium silicate binder and mixes, and is then placed in heating furnace and sinters, and the temperature of sintering is 600 DEG C, and the time is 3h.Sieve after pulverizing, the mixed powder between screening granularity 80-100 order;
Step 3, the Ni that step 1 is claimed, Cr, Mn, the mixed powder that iron powder and step 2 obtain fully stirs, and puts into drying oven and dry 200 degrees Celsius, 2 hours after mixing;
Step 4, what mild steel H08A steel band is placed on flux-cored wire forming machine puts on band machine, by forming machine, mild steel H08A steel band is rolled into U-type groove, then in U-type groove, add the medicine core powder that step 3 obtains, the filling rate controlling medicine core powder is 26%, U-type groove is rolled closed by forming machine again, and be drawn to 1.2mm, obtain flux-cored wire;
Step 5, finally stretching with the flux-cored wire that step 4 is prepared by wire drawing machine, coil into disk, pack.
Flux-cored wire prepared by embodiment 5 adopts flux cored wire arc welding (FCAW), without the need to additional protective gas.Welding current is 180-220A, and weldingvoltage is 20-23V.The tensile strength of welding point is 735Mpa, and yield limit is 520Mpa, and the contraction percentage of area is 66%, and ballistic work is 143J.Performance meets the instructions for use of 1Ni9 steel.

Claims (7)

1.1Ni9 low-temperature steel self-protection flux-cored wire, is characterized in that, be made up of crust and medicine core, medicine core is composed of the following components by mass percentage: Ni40%-50%, Cr1%-3%, Mn5%-7%, CaF 215%-16%, SiO 25%-7%, TiO 23%-5%, CaCO 35%-8%, Li 2cO 34%-6%, Al-Mg alloyed powder 7%-9%, all the other are iron, and above constituent mass percentage sum is 100%.
2. 1Ni9 low-temperature steel self-protection flux-cored wire according to claim 1, is characterized in that, described skin material is mild steel H08A steel band.
3. 1Ni9 low-temperature steel self-protection flux-cored wire according to claim 1, is characterized in that, the filling rate (mass ratio) of this flux-cored wire Chinese medicine core is 20%-25%.
4. 1Ni9 low-temperature steel self-protection flux-cored wire according to claim 1, is characterized in that, the diameter of this flux-cored wire is 1.2-2.0mm.
The preparation method of 5.1Ni9 low-temperature steel self-protection flux-cored wire, it is characterized in that, concrete steps are as follows:
Step 1, takes Ni40%-50% by mass percentage respectively, Cr1%-3%, Mn5%-7%, CaF 215%-16%, SiO 25%-7%, TiO 23%-5%, CaCO 35%-8%, Li 2cO 34%-6%, Al-Mg alloyed powder 7%-9%, all the other are iron, and above constituent mass percentage sum is 100%;
Step 2, the CaF that step 1 is taken 2, SiO 2, TiO 2, CaCO 3, Li 2cO 3, Al-Mg alloyed powder adds sodium silicate binder and mixes, and is then placed in heating furnace and sinters, sieve after pulverizing, the mixed powder between screening granularity 80-100 order;
Step 3, the Ni that step 1 is claimed, Cr, Mn, the mixed powder that iron powder and step 2 obtain fully stirs, and puts into drying oven and dry 200 degrees Celsius, 2 hours after mixing;
Step 4, what mild steel H08A steel band is placed on flux-cored wire forming machine puts on band machine, by forming machine, mild steel H08A steel band is rolled into U-type groove, then in U-type groove, add the medicine core powder that step 3 obtains, the filling rate controlling medicine core powder is 25%-30%, U-type groove is rolled closed by forming machine again, and be drawn to 1.2mm-2.0mm, obtain flux-cored wire;
Step 5, finally stretching with the flux-cored wire that step 4 is prepared by wire drawing machine, coil into disk, pack.
6. the preparation method of 1Ni9 low-temperature steel self-protection flux-cored wire according to claim 5, is characterized in that, in step 2, the addition of sodium silicate binder is 20% of powder gross weight.
7. the preparation method of 1Ni9 low-temperature steel self-protection flux-cored wire according to claim 5, is characterized in that, in step 2, the temperature of sintering is 500-650 DEG C, and the time is 3-4h.
CN201510075491.0A 2015-02-12 2015-02-12 Self-protection flux-cored wire for low-temperature steel 1Ni9 and preparing method for self-protection flux-cored wire Expired - Fee Related CN104708227B (en)

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CN106181127A (en) * 2016-08-24 2016-12-07 天津大桥金属焊丝有限公司 Argon filling self-shield argon tungsten-arc welding flux-cored wire is exempted from the stainless steel pipes back side
CN108296667A (en) * 2018-02-12 2018-07-20 青岛润乾高新科技有限公司 A kind of flux-cored wire and preparation method for Underwater Welding
US11426824B2 (en) 2017-09-29 2022-08-30 Lincoln Global, Inc. Aluminum-containing welding electrode
US11529697B2 (en) 2017-09-29 2022-12-20 Lincoln Global, Inc. Additive manufacturing using aluminum-containing wire

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CN103978322A (en) * 2014-05-19 2014-08-13 上海交通大学 Efficient nickel base welding rod special for ultralow temperature steel welding of LNG (liquefied natural gas) ship
CN104209662A (en) * 2014-08-21 2014-12-17 西安理工大学 Anti-crack wear-resistant overlaying welding flux-cored wire and preparing method of anti-crack wear-resistant overlaying welding flux-cored wire

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JP2009291796A (en) * 2008-06-03 2009-12-17 Kobe Steel Ltd Flux-cored wire for electrogas arc welding for stainless steel
JP2010125509A (en) * 2008-11-28 2010-06-10 Nippon Steel & Sumikin Welding Co Ltd Flux-cored wire for submerged arc welding of low-temperature steel, and welding method using the same
CN101745759A (en) * 2009-12-21 2010-06-23 中国船舶重工集团公司第七二五研究所 Nickel-base welding rod
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Publication number Priority date Publication date Assignee Title
CN106181127A (en) * 2016-08-24 2016-12-07 天津大桥金属焊丝有限公司 Argon filling self-shield argon tungsten-arc welding flux-cored wire is exempted from the stainless steel pipes back side
US11426824B2 (en) 2017-09-29 2022-08-30 Lincoln Global, Inc. Aluminum-containing welding electrode
US11529697B2 (en) 2017-09-29 2022-12-20 Lincoln Global, Inc. Additive manufacturing using aluminum-containing wire
CN108296667A (en) * 2018-02-12 2018-07-20 青岛润乾高新科技有限公司 A kind of flux-cored wire and preparation method for Underwater Welding
CN108296667B (en) * 2018-02-12 2020-05-29 青岛润乾高新科技有限公司 Flux-cored wire for underwater welding and preparation method

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