CN109175775A - A kind of weathering steel Q550NH flux-cored wire used for welding - Google Patents

A kind of weathering steel Q550NH flux-cored wire used for welding Download PDF

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Publication number
CN109175775A
CN109175775A CN201811238837.4A CN201811238837A CN109175775A CN 109175775 A CN109175775 A CN 109175775A CN 201811238837 A CN201811238837 A CN 201811238837A CN 109175775 A CN109175775 A CN 109175775A
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China
Prior art keywords
welding
flux
cored wire
q550nh
medicine core
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CN201811238837.4A
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Chinese (zh)
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CN109175775B (en
Inventor
刘胜新
陈永
连明洋
孟迪
王靖博
王瑞娟
陈志民
李国鹏
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Zhengzhou University
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Zhengzhou University
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Classifications

    • 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
    • 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
    • B23K35/3053—Fe 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
    • B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
    • B23K35/36—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest
    • B23K35/362—Selection of compositions of fluxes
    • 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
    • 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
    • B23K35/406—Filled tubular wire or rods

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

Abstract

The invention belongs to technical field of welding materials, in particular to a kind of weathering steel Q550NH flux-cored wire used for welding, it is made of low-carbon cold rolling steel band cladding medicine core powder, drug core component and dosage are by mass percentage are as follows: Ni 2.2% ~ 3.0%, nitrided ferro-chromium 3.0% ~ 4.0%, Cu 2.0% ~ 3.0%, ferrosilicon 2.0% ~ 4.0%, manganese iron 3.0% ~ 5.0%, ferro-niobium 1.5% ~ 3.0%, titanium dioxide 5.0% ~ 8.0%, 80 mesh straw powders 5.0% ~ 10.0%, surplus is FHT10025 reduced iron powder, and Ni%/Cr% need to be controlled between 0.9 ~ 1.8, medicine core quality accounts for the 15% ~ 18% of flux-cored wire gross mass, gage of wire is 1.2 ~ 2.0mm.The present invention gives the constituent ingredients and dosage of medicine core, define particularly the content and its ratio of Ni and Cr, realize weld structure refinement by the complex intensifying of multiple element and are uniformly distributed, effectively increase comprehensive mechanical property.

Description

A kind of weathering steel Q550NH flux-cored wire used for welding
Technical field
The present invention relates to field of welding material, more specifically, it relates to a kind of weathering steel Q550NH welding to be welded with medicine core Silk.
Technical background
Weathering steel, i.e. weather resisting steel are the low-alloy steel series between ordinary steel and stainless steel, have good Atmospheric corrosion resistance, have the advantages that in use energy-saving, it is long-term sudden and violent to be mainly used for railway, vehicle, bridge, pylon etc. It is exposed at steel construction used in atmosphere, is for manufacturing container, rail truck, oil derrick, harbour building, production platform etc. The main material of structural member.
Chinese patent CN103028865B discloses a kind of high anti-corrosion gas protecting welding wire, wherein the content of Ni be 1.5% ~ 5.0%。
Chinese patent CN102756219A discloses a kind of welding wire, wire rod and its application, wherein the content of Ni be 3.0% ~ 5.0%。
Known in the industry: low-temperature impact toughness can be improved containing Ni element in deposited metal and have certain resistance to atmosphere Corrosive power, but Ni constituent content is generally no greater than 0.65%, otherwise will increase crack sensitivity and reduces impact flexibility, and it is resistance to It waits (GB/T 4171) Ni constituent content in structural steel, that is, welding base metal series and is also all not more than 0.65%, so in 2 patent above Ni content design no scientific basis.
Compared with flux-cored wire welding, that there is welding technological properties is poor using solid core welding wire welding, splashes greatly and weld seam The disadvantages of forming unsightly.Therefore, to realize and weathering steel Q550NH is welded with flux-cored wire, need according to the chemistry of steel at Point, the requirements such as mechanical property, corrosion resistance prepare matched flux-cored wire.
Chinese patent CN101745755B discloses a kind of weathering steel flux cored wire for gas shielded welding, wherein containing 34% ~ 38% TiO2, ratio is higher, melts rear portion slag making, and another part resolves into Ti ion, it is tough that low-temperature impact can be improved Property, but will form large-sized inclusions when too high levels and reduce its toughness and elongation percentage；In addition with a large amount of TiO2Deoxidation slag making, High production cost.
Summary of the invention
The object of the invention is to a kind of weathering steel Q550NH welding provided to solve the deficiency of the prior art to use Flux-cored wire can satisfy chemical component, mechanical property, the corrosion resistance requirement of Q550NH weathering steel welding, convenient for extensive Metaplasia produces.
To achieve the above object, the present invention adopts the following technical scheme: a kind of weathering steel Q550NH flux-cored wire used for welding, Including crust and medicine core, the drug core component and dosage are by mass percentage are as follows: and Ni 2.2% ~ 3.0%, nitrided ferro-chromium 3.0% ~ 4.0%, Cu 2.0% ~ 3.0%, ferrosilicon 2.0% ~ 4.0%, manganese iron 3.0% ~ 5.0%, ferro-niobium 1.5% ~ 3.0%, titanium dioxide 5.0% ~ 8.0%, 80 mesh straw powders 5.0% ~ 10.0%, surplus is FHT10025 reduced iron powder, and need to control Ni%/Cr% between 0.9 ~ 1.8.
Preferably, the medicine core quality accounts for the 15% ~ 18% of flux-cored wire gross mass (i.e. filling rate).
The gage of wire is 1.2 ~ 2.0mm.
The crust is the low-carbon cold rolling steel band of 8 ~ 16mm of width, 0.4 ~ 1.2mm of thickness, the matter in the chemical component of steel band Measure percentage are as follows: C 0 ~ 0.003%, Mn 0.2% ~ 0.35%, Si 0 ~ 0.028%, S 0 ~ 0.001%, P 0 ~ 0.001%, surplus are Fe；The tensile strength of steel band is 290 ~ 400MPa, and elongation is not less than 38%.
Selection width is 8 ~ 16mm, with a thickness of the low-carbon cold rolling steel band of 0.4 ~ 1.2mm, be pressed by molding machine it is U-shaped, then Mixed medicine core powder is filled into U-type groove, medicine core silty amount accounts for the 15% ~ 18% of flux-cored wire quality；Again by U-type groove opening Healing up, it is O-shaped to be formed, to make medicine core package wherein, through wire drawing machine by road drawing, tube reducing, obtains the welding wire of 1.2 ~ 2.0mm of diameter.
Each raw material action principle is as follows in medicine core used in the present invention:
The intensity and impact flexibility of deposited metal can be improved in Ni:Ni, especially improves the low-temperature impact toughness of deposited metal, and Brittle transition temperature is reduced, and Ni has a fabulous atmospheric corrosion resistance ability, Ni 2.2% ~ 3.0% in medicine core, filling rate 15% ~ 18%, then it is 0 calculating that Ni content, which does not exceed 0.54%(by burn out rate, in deposited metal).
Cr: deriving from chromium nitride, and under the action of electric arc heat input, a part of chromium nitride is decomposed into Cr element and N element, Wherein the corrosion resistance of deposited metal can be improved in Cr, in addition it can fining ferrite grains, increases the obdurability of metal structure.
Cr and Ni collocation uses, and can control phase transformation, obtains martensite and a certain proportion of retained austenite, have both cracking resistance Property, high intensity, high tenacity, grope to inquire into, General N i%/Cr% should be controlled between 0.9 ~ 1.8 by many experiments.
N: next former in deriving from chromium nitride, under arc heat input action, chromium nitride is decomposed, the N element decomposited A part volatilization, a part are solid-solution in iron, are formed clearance-type solid solution, are there is the low-temperature impact toughness of deposited metal significantly It improves.
Cu: improving corrosion resistance, enhances weather-resistant performance；And when the mass percent of Cu is less than 0.50%, effect It is mainly shown as solution strengthening.
Si: abundant deoxidation, desulfurization, for Si other than with good deoxidation, Si can also be solid-solubilized in ferrite and Austria In family name's body, the intensity of weld metal is improved, while Si can also increase the mobility of weld metal, make welding wire in the welding process With good welding technological properties.
Mn: abundant deoxidation, desulfurization, Mn are the beneficial elements for increasing weld metal strength and toughness, and manganese element is beneficial to prevent weldering There is fire check in seam metal.
The corrosion resistance of weld metal can be improved in Nb:Nb, reduces the content of the impurity elements such as carbon oxygen, significantly improves deposited metal Corrosion resistance, and Nb can improve the impact flexibility of deposited metal to a certain extent.
Titanium dioxide: it is greater than 98% TiO containing mass fraction2, can protect the molten drop of overheat, reduce droplet transfer process In evaporation；TiO2It can be combined into titanate with FeO and enter slag, reduce iron oxide fumes；Stablize welding arc simultaneously, changes Kind welding technological properties.
80 mesh straw powders: adding 80 mesh celluloses in medicine core, is retained in molten drop hot stage and molten bath stage using it, Also be able to carry out effective deoxidation gas making, thus guarantee entire welding wire is heated, fusing, formed molten drop, droplet transfer, formed it is molten Pond and start solidification Welding Metallurgy whole process be provided with good protecting effect.
The beneficial effects of the present invention are: welding wire drug core component proportion of the present invention, can play medicine to the maximum extent The advantages of core various composition, inhibits its disadvantage, can make deposited metal composition, mechanical property and corrosion resistance that can expire High durable, high intensity and the high tenacity that sufficient weathering steel requires, arc stability when welding, spatter is small, appearance of weld is beautiful.
Specific embodiment
Principles and features of the present invention are described with reference to embodiments, listed give an actual example is served only for explaining this hair It is bright, not limit the scope of the invention.
Embodiment 1:
Weathering steel Q550NH flux-cored wire used for welding, the flux-cored wire are made of low-carbon cold rolling steel band package medicine core powder.
Selecting width first is 10mm, the low-carbon cold rolling steel band with a thickness of 0.4mm, is pressed by molding machine U-shaped；Then Medicine core powder is filled into U-type groove, medicine core powder accounts for the 15% of flux-cored wire quality；U-type groove opening is healed up again, and it is O-shaped to be formed, from And make medicine core powder package wherein, conventionally through wire drawing machine by road drawing, tube reducing, obtain the welding wire of Ф 1.2mm, i.e. this hair Bright abrasion-proof overlaying welding flux-cored wire.
The drug core component and dosage are by mass percentage are as follows: Ni 2.2%, nitrided ferro-chromium 4.0%, Cu 2.0%, ferrosilicon 2.0%, manganese iron 3.0%, ferro-niobium 1.5%, titanium dioxide 5.0%, 80 mesh straw powders 5.0%, surplus are FHT10025 reduced iron powder, this When Ni%/Cr% between 0.9 ~ 1.8.
Embodiment 2:
Weathering steel Q550NH flux-cored wire used for welding, the flux-cored wire are made of low-carbon cold rolling steel band package medicine core powder.
Selecting width first is 12mm, the low-carbon cold rolling steel band with a thickness of 0.5mm, is pressed by molding machine U-shaped；Then Medicine core powder is filled into U-type groove, medicine core powder accounts for the 16% of flux-cored wire quality；U-type groove opening is healed up again, and it is O-shaped to be formed, from And make medicine core powder package wherein, conventionally through wire drawing machine by road drawing, tube reducing, obtain the welding wire of Ф 1.6mm, i.e. this hair Bright abrasion-proof overlaying welding flux-cored wire.
The drug core component and dosage are by mass percentage are as follows: Ni 2.5%, nitrided ferro-chromium 3.5%, Cu 2.3%, ferrosilicon 2.5%, manganese iron 3.5%, ferro-niobium 2.0%, titanium dioxide 5.8%, 80 mesh straw powders 6.0%, surplus are FHT10025 reduced iron powder, and Ni%/Cr% need to be controlled between 0.9 ~ 1.8.
Embodiment 3:
Weathering steel Q550NH flux-cored wire used for welding, the flux-cored wire are made of low-carbon cold rolling steel band package medicine core powder.
Selecting width first is 14mm, the low-carbon cold rolling steel band with a thickness of 0.8mm, is pressed by molding machine U-shaped；Then Medicine core powder is filled into U-type groove, medicine core powder accounts for the 17% of flux-cored wire quality；U-type groove opening is healed up again, and it is O-shaped to be formed, from And make medicine core powder package wherein, conventionally through wire drawing machine by road drawing, tube reducing, obtain the welding wire of Ф 1.6mm, i.e. this hair Bright abrasion-proof overlaying welding flux-cored wire.
The drug core component and dosage are by mass percentage are as follows: Ni 2.8%, nitrided ferro-chromium 3.8%, Cu 2.5%, ferrosilicon 3.0%, manganese iron 4.0%, ferro-niobium 2.5%, titanium dioxide 6.5%, 80 mesh straw powders 7.0%, surplus are FHT10025 reduced iron powder, and Ni%/Cr% need to be controlled between 0.9 ~ 1.8.
Embodiment 4:
Weathering steel Q550NH flux-cored wire used for welding, the flux-cored wire are made of low-carbon cold rolling steel band package medicine core powder.
Selecting width first is 14mm, the low-carbon cold rolling steel band with a thickness of 0.8mm, is pressed by molding machine U-shaped；Then Medicine core powder is filled into U-type groove, medicine core powder accounts for the 18% of flux-cored wire quality；U-type groove opening is healed up again, and it is O-shaped to be formed, from And make medicine core powder package wherein, conventionally through wire drawing machine by road drawing, tube reducing, obtain the welding wire of Ф 1.6mm, i.e. this hair Bright abrasion-proof overlaying welding flux-cored wire.
The drug core component and dosage are by mass percentage are as follows: Ni 3.0%, nitrided ferro-chromium 4.0%, Cu 3.0%, ferrosilicon 4.0%, manganese iron 5.0%, ferro-niobium 3.0%, titanium dioxide 8.0%, 80 mesh straw powders 10.0%, surplus are FHT10025 reduced iron powder, and Ni%/Cr% need to be controlled between 0.9 ~ 1.8.
The welding wire that embodiment 1,2,3,4 obtains is subjected to test weld on Q550NH steel plate, welding current is 180 ~ 240A, weldering Connecing voltage is 22 ~ 26V, and speed of welding is 5 ~ 8mm/s, gas flow 25L/min.By " the welding material of GB/T 25776-2010 Expect welding technological properties assessment method " processing performance evaluation is carried out, deposited metal composition is carried out by GB/T223 series standard Analysis, by GB/T 2652-2008 " weld seam and deposited metal stretching test method " and GB/T 2650-2008 " welding point Impact test method " Mechanics Performance Testing is carried out, and atmospheric corrosion resistance index value I is calculated, wherein I is calculated as follows:
I=26.01 (%Cu)+3.88 (%Ni)+1.20 (%Cr)+1.49 (%Si)+17.28 (%P) -7.29 (%Cu) (% Ni) -9.10 (%Ni) (%P) -33.39 (%Cu)2
Deposited metal composition is as shown in table 1.
Deposited metal mechanical property and corrosion resistance are as shown in table 2.
It should be pointed out that core of innovation of the invention is to give the constituent ingredient of medicine core and dosage, especially Define the content and its ratio of Ni and Cr, by the complex intensifying of multiple element realize weld structure refinement and uniformly Distribution, effectively increases comprehensive mechanical property, this is whole addO-on therapy and dosage comprehensive function as a result, not a certain group The special effect divided.
Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above description, relevant staff is complete Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention Property range is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.All According to equivalent change or modification made by spirit of the invention, should be covered by the protection scope of the present invention.

Claims (4)

1. a kind of weathering steel Q550NH flux-cored wire used for welding, including crust and medicine core, the drug core component and dosage press quality Score is calculated as: Ni 2.2% ~ 3.0%, nitrided ferro-chromium 3.0% ~ 4.0%, Cu 2.0% ~ 3.0%, ferrosilicon 2.0% ~ 4.0%, manganese iron 3.0% ~ 5.0%, ferro-niobium 1.5% ~ 3.0%, titanium dioxide 5.0% ~ 8.0%, 80 mesh straw powders 5.0% ~ 10.0%, surplus are FHT10025 reduction Iron powder, and Ni%/Cr% need to be controlled between 0.9 ~ 1.8.
2. weathering steel Q550NH flux-cored wire used for welding according to claim 1, which is characterized in that the medicine core quality accounts for The 15% ~ 18% of flux-cored wire gross mass.
3. weathering steel Q550NH flux-cored wire used for welding according to claim 1, which is characterized in that the crust is width For 8 ~ 16mm, with a thickness of the low-carbon cold rolling steel band of 0.4 ~ 1.2mm.
4. weathering steel Q550NH flux-cored wire used for welding described in one of -3 according to claim 1, which is characterized in that the welding wire Diameter is 1.2 ~ 2.0mm.
CN201811238837.4A 2018-10-23 2018-10-23 Flux-cored wire for welding weathering resistant steel Q550NH Active CN109175775B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115971727A (en) * 2022-12-06 2023-04-18 武汉铁锚焊接材料股份有限公司 Stainless steel welding rod for ultralow temperature of-196 DEG C

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103480976B (en) * 2013-09-03 2016-04-20 海宁瑞奥金属科技有限公司 A kind of high-intensity high-tenacity gas shield welding wire
CN105728979A (en) * 2016-04-01 2016-07-06 华中科技大学 Welding wire, preparation method thereof and method for reinforcing hot-working die material surface by using welding wire
CN106181121A (en) * 2016-08-08 2016-12-07 河海大学常州校区 A kind of abrasion-proof overlaying welding flux-cored wire
JP2017013118A (en) * 2015-07-06 2017-01-19 新日鐵住金ステンレス株式会社 Flux-cored wire for stainless steel welding, stainless steel welded joint, and method for manufacturing the same
CN106736048A (en) * 2016-11-29 2017-05-31 洛阳双瑞特种合金材料有限公司 A kind of high-strength weathering steel metal powder core pattern seamless flux-cored wire
CN107838579A (en) * 2016-09-18 2018-03-27 张宇 Low-temperature steel protects flux-cored wire used for welding with pure argon

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103480976B (en) * 2013-09-03 2016-04-20 海宁瑞奥金属科技有限公司 A kind of high-intensity high-tenacity gas shield welding wire
JP2017013118A (en) * 2015-07-06 2017-01-19 新日鐵住金ステンレス株式会社 Flux-cored wire for stainless steel welding, stainless steel welded joint, and method for manufacturing the same
CN105728979A (en) * 2016-04-01 2016-07-06 华中科技大学 Welding wire, preparation method thereof and method for reinforcing hot-working die material surface by using welding wire
CN106181121A (en) * 2016-08-08 2016-12-07 河海大学常州校区 A kind of abrasion-proof overlaying welding flux-cored wire
CN107838579A (en) * 2016-09-18 2018-03-27 张宇 Low-temperature steel protects flux-cored wire used for welding with pure argon
CN106736048A (en) * 2016-11-29 2017-05-31 洛阳双瑞特种合金材料有限公司 A kind of high-strength weathering steel metal powder core pattern seamless flux-cored wire

Non-Patent Citations (5)

* Cited by examiner, † Cited by third party
Title
周岐等: "《小丁学电焊》", 30 April 2012, 中国电力出版社 *
张东晖等: "铁路货车高强度耐候钢药芯焊丝性能研究", 《机车车辆工艺》 *
王喜君等: "Q450NQR1高强度耐候钢的焊接工艺性研究", 《焊接技术》 *
王成文等: "《焊接材料手册及工程应用案例》", 30 September 2004, 山西科学技术出版社 *
美国金属学会: "《金属手册 第6卷 焊接与钎焊》", 30 November 1984, 机械工业出版社 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115971727A (en) * 2022-12-06 2023-04-18 武汉铁锚焊接材料股份有限公司 Stainless steel welding rod for ultralow temperature of-196 DEG C

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