[go: up one dir, main page]

TWI360453B - Welding flux for carbon steels - Google Patents

Welding flux for carbon steels Download PDF

Info

Publication number
TWI360453B
TWI360453B TW98116035A TW98116035A TWI360453B TW I360453 B TWI360453 B TW I360453B TW 98116035 A TW98116035 A TW 98116035A TW 98116035 A TW98116035 A TW 98116035A TW I360453 B TWI360453 B TW I360453B
Authority
TW
Taiwan
Prior art keywords
welding
active agent
carbon steel
workpiece
arc
Prior art date
Application number
TW98116035A
Other languages
Chinese (zh)
Other versions
TW201039963A (en
Inventor
Kuang Hung Tseng
Yung Chang Chen
Chin Yu Hsu
Original Assignee
Univ Nat Pingtung Sci & Tech
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Univ Nat Pingtung Sci & Tech filed Critical Univ Nat Pingtung Sci & Tech
Priority to TW98116035A priority Critical patent/TWI360453B/en
Publication of TW201039963A publication Critical patent/TW201039963A/en
Application granted granted Critical
Publication of TWI360453B publication Critical patent/TWI360453B/en

Links

Landscapes

  • Nonmetallic Welding Materials (AREA)
  • Arc Welding In General (AREA)

Description

1360453 六、發明說明: 【發明所屬之技術領域】 本發明係關於-種銲接活性劑,特別是關於一種碳鋼 銲接用之銲接活性劑。 【先前技術】 習用各式鋼材欲進行銲接時通常選用電弧鲜接方 • <,該電弧#接方式包含:軌祕電弧銲接〔Tungsten Inert Gas Wdding ’ TIG〕、惰氣金屬極電弧銲接〔胸^ Inert Gas Wdding,MIG〕、碳極電弧銲接〔⑽⑽Απ;1360453 VI. DESCRIPTION OF THE INVENTION: TECHNICAL FIELD OF THE INVENTION The present invention relates to a welding active agent, and more particularly to a welding active agent for welding carbon steel. [Prior Art] It is common to use a variety of steels for welding. ● The arc #接接式 includes: Tungsten Inert Gas Wdding 'TIG, inert gas metal arc welding (thoracic) ^ Inert Gas Wdding, MIG], carbon arc welding [(10)(10)Απ;

Wdding ’ CAW〕'潛弧銲接〔触贿咖如漏蚱, SAW〕及包藥銲線電弧銲接〔Flux C()red如Wdding, FCAW〕等i惰氣鎢極電弧銲接為例,其係以鎢棒作為 ‘冑極,而與工件之騎產生的電弧,作為銲接用之熱源。 在銲接過程中,雜賴氣—銲搶供給至工件欲銲接 • 處’以防止電極、銲池、電弧及鄰近受熱區域發生氧化現 象,以便銲接處順利凝固且冷卻形成銲道。然而,若將惰 氣鎢極電弧銲接應用於形成工件之全熔透銲道時,時常會 、,生料深度不足、炫深不—致鱗池僅形成寬且淺的形 態等問題,論究其主要原因係大多在於工件銲池中之合金 疋素微量變化所造成。如何提高-般傳統惰氣鎢極電弧銲 接衣程之炫透深度,以破保銲道完全炫透並提升録接生產 效率’已成為銲接業者致力研究的課題。 产請參照第ΙΑ、1B及1C圖所示,其概要揭示傳統惰 氣鎢極電弧銲接之改良製程的預先加工處理及銲接後的剖 —3 — 面㈣。β為了改善銲池僅形成寬且淺的問題 ,傳統惰氣鎢 極I弧銲接製程通常預先在一工件1之一侧緣η利用一銳 刀銳削加工成一傾斜面12,並依相同方式加工另一工件Wdding 'CAW〕' submerged arc welding (contact bribes such as skimmers, SAW) and coated wire arc welding [Flux C () red such as Wdding, FCAW] i inert gas tungsten arc welding, for example, The tungsten rod acts as a 'bungee, and the arc generated by riding with the workpiece serves as a heat source for welding. During the welding process, the gas is supplied to the workpiece to be welded to prevent oxidation of the electrode, the weld pool, the arc and the adjacent heated area, so that the weld is smoothly solidified and cooled to form a weld bead. However, if inert gas tungsten arc welding is applied to the full penetration weld bead forming the workpiece, it will often be, the raw material depth is insufficient, and the darkness is not formed - the scale tank only forms a wide and shallow shape, etc. The main reason is mostly caused by trace changes in the alloy bismuth in the workpiece weld pool. How to improve the depth of the traditional inert gas tungsten arc welding process, to completely break through the weld bead and improve the efficiency of recording production has become a subject of research by the welding industry. Please refer to Figures 1, 1B and 1C for a summary of the pre-processing of the improved process for conventional inert gas tungsten arc welding and the cross-section after welding (4). In order to improve the weld pool only to form a wide and shallow problem, the conventional inert gas tungsten arc I arc welding process is usually preliminarily processed into a sloped surface 12 by a sharp knife on one side edge η of the workpiece 1 and processed in the same manner. Another workpiece

之側緣11。接著,將該二工件i之側緣11及傾斜面U 接〔butt joint〕,以共同形成一開槽構造,進而方便利 2棒電極之-鐸搶3及一銲材刚進行惰氣鎢極電弧銲 裏程’藉此即可銲接而形成—銲道13。雖然預先加工形 成該傾斜^12確實有利於控制轉道I3傾向增加溶透深 又仁此舉卻負面增加製程複雜度、加工成本及作業時間 =°同曰時’鱗道13仍舊存在銲接結構不良、接合強度低 落及銲冠表面不平整等的問題。 ^厂I用銲接用之銲接活性劑,如中笋民國公告第1231239 號「不鏽鋼電弧銲用助銲劑」及美國公開第2〇_199317 號「不鏽鋼電弧鋒用助銲劑及其銲接方法〔_ Fiux Use m Arc-Welding of Stainless Steels, Method ofSide edge 11. Then, the side edge 11 and the inclined surface U of the two workpieces i are connected to each other to form a slotted structure, thereby facilitating the smashing of the rod electrode and the welding of the tungsten material. The arc welding mileage 'by this can be welded to form the weld bead 13 . Although pre-processing to form the slope ^12 is indeed beneficial to control the rotation of the track I3 tends to increase the penetration depth and the negative, but this increases the process complexity, processing cost and working time = ° when the same time, the scales 13 still have poor welding structure Problems such as low joint strength and unevenness of the surface of the crown. ^I use welding active agent for welding in factory I, such as the “Stainless Steel Arc Welding Flux” of Zhongnan Guoguo No. 1231239 and US Published No. 2_199317 “Stainless Steel Arc Front Flux and Welding Method [_ Fiux Use m Arc-Welding of Stainless Steels, Method of

Welding Stainless Steel Members Using the Welding Flux〕」 發月專利’其係以氧化經〔Mn〇2〕為底質,並選擇包含氧 化鋅〔.ZnO〕、氧化石夕〔Si〇2〕、氧化絡〔⑽〕、氧化 ,〔Ti02〕、二氧化鈿〔M〇〇2〕及氧化鐵〔%〇3〕之至 少y種,以作為活化添加物。該底質〔氧化錳〕之重量比 係為7〇%以上’該活化添加物之重量比係為30%以下。 明參照第2A及2B圖所示,在進行一工件j電弧銲接 時,藉由一液體介質將含上述組成之一銲接活性劑4研磨 成一糊裝形態後’進—步利用—毛刷4G將該銲接活性劑4 塗敷於該二工件1對應交界之二側緣11的上方,如此即可 對該工件1進行電弧銲接製程,以形成〜鲜道13。藉 用該銲接活性劑4,該X件1之銲道13附 9 濺物或銲渣’且該銲道13之表面幾乎可與該工件丨本身= 熔融之表面保持平齊一致。同時,觀察該銲道13之剖面樣 本;該銲道13可確實在該:η件丨±產生寬度較窄且^ 透之銲接現象。 請參照第3Α及3Β®所示,論究其改善銲接品質之主 要原因係在於該銲接活性劑4添加該底質〔氧化錳〕及活 化添加物,如此該銲接活性劑4可有效改善一銲池ι〇内之 液態金屬的表面張力梯錢化,進而影響轉池iq内之液 態金屬流動方向。更詳言之,液態金屬的表面張力梯度變 化取決於該銲池1G表面張力的溫度係數,而該表面張力的 溫度係數則取決於有無活性元素的存在。 如第3A圖所示,#該銲池1〇内不存在活性元素〔或 僅存在活陳低之元素〕時,該銲池1G之表面張力將隨著 一銲搶3提供的電弧溫度上升喊小,以致液態金屬之液 /成由該鮮池1G中央向其外緣流動的「外表面張力 流」’進而使該銲道13形成寬而淺的剖面形態 。如第3B 圖所示®該鮮>也1〇内存在活性元素時,則該録池1〇之 表面張力將隨著電弧溫度上升而增加’以致液態金屬之液 面开7成由該録池1G外緣向其中央流動的「内表面張力 流」,進而使轉道13形成窄而深的剖面形態。 θ雖然上述習用鲜接活性劑4已提供活化添加物,但該 銲接活性劑4之絕大部份成份卻是對活化助益不大之底質 〔氧化錳〕。再者,將該銲接活性劑4塗覆於該侧緣11之 1360453 上方,相對亦造成銲接製程複雜化及調配處理上的不便; 再且,該銲接活性劑之粉末顆粒尺寸較大,塗覆性不佳, 因此塗覆於該工件1之表面時,容易產生塗覆厚度不均之 現象’造成鲜道炫深不均之缺點。 因此,基於上述原因,其確實仍有必要改良該銲接用 之銲接活性劑,以便更進一步提升碳鋼工件之銲接品質。 【發明内容】 本發明係提供一種碳鋼銲接用之銲接活性劑。本發明 之主要目的係降低銲接活性劑之成本。 本發明之次要目的係降低銲渣殘留,提升表面平整 性。 本發明之再一目的係提升銲接活性劑之塗覆性及穿 透性。 本發明之再一目的係增加不銹鋼銲接熔透深度。 本發明之另一目的係提高銲道深度/寬度比值。 本發明之另一目的係提高不銹鋼銲接性。 本發明之另一目的係提高銲道耐腐蝕性。 本發明之另一目的係提高銲道機械強度。 本發明之另一目的係提高銲道外觀平整性。 為達到前述發明目的,本發明所運用之技術手段及藉 由該技術手段所能達到之功效包含有: 一種碳鋼銲接用之銲接活性劑,係包含以重量百分比 计30。/〇至50。/〇之氧化石夕、2〇%至4〇%之氧化鈦、1〇%至25〇/〇 之氧化絡、5°/。至20%之氧化鐵、1〇%至15%之碳酸錳及5〇/〇 1360453 ==Γ之種類而變化。再者,在進行惰氣鑛 ==父將一銲搶3 (㈣棒電極)在氬氣或 或氦心乳等惰性氣體的保護下靠近至由碳鋼材製 成之二工件卜以提供電弧熱能對該二卫件1對庫交界之 丨進行電弧銲。鱗,_銲材⑽靠近電弧處理 之知接處,以便炫融該銲材100之銲料ΐ(η,同時利用該 銲材1⑽之銲接活性劑1G2輔助提升該銲㈣i與該工件Welding Stainless Steel Members Using the Welding Flux] "The Moon Patent" is based on the oxidation of [Mn〇2] and contains zinc oxide [.ZnO], oxidized stone [Si〇2], and oxidized complex. (10)], oxidation, at least y of [Ti02], cerium oxide [M〇〇2], and iron oxide [% 〇3] as an activation additive. The weight ratio of the substrate (manganese oxide) is 7 % by weight or more. The weight ratio of the activated additive is 30% or less. Referring to Figures 2A and 2B, when performing a workpiece j arc welding, the welding active agent 4 containing one of the above compositions is ground into a paste form by a liquid medium, and then the 'step-by-step brush 4G will be used. The welding active agent 4 is applied on the two side edges 11 of the two workpieces 1 corresponding to the boundary, so that the workpiece 1 can be subjected to an arc welding process to form the fresh track 13. By means of the welding active agent 4, the bead 13 of the X-piece 1 is provided with spatter or slag ' and the surface of the bead 13 is almost flush with the surface of the workpiece = itself = molten. At the same time, a cross-sectional sample of the bead 13 is observed; the bead 13 can surely produce a narrow and transparent welding phenomenon. Please refer to the 3rd and 3Β®, the main reason for improving the welding quality is that the welding active agent 4 adds the substrate (manganese oxide) and the activated additive, so that the welding active agent 4 can effectively improve the welding pool. The surface tension of the liquid metal in the ι〇 is increased, which in turn affects the flow direction of the liquid metal in the transfer pool iq. More specifically, the gradient of the surface tension of the liquid metal depends on the temperature coefficient of the surface tension of the weld pool 1G, and the temperature coefficient of the surface tension depends on the presence or absence of the active element. As shown in Fig. 3A, when there is no active element in the weld pool (or only the element with low liveness), the surface tension of the weld pool 1G will rise with the increase of the arc temperature provided by a weld grab 3 It is so small that the liquid metal liquid/the "outer surface tension flow" flowing from the center of the fresh water tank 1G toward the outer edge thereof causes the weld bead 13 to form a wide and shallow cross-sectional shape. As shown in Fig. 3B, the fresh > also has an active element, and the surface tension of the recording cell will increase as the arc temperature rises, so that the liquid metal level is 70%. The "internal surface tension flow" flowing toward the center of the outer edge of the pool 1G causes the runner 13 to form a narrow and deep cross-sectional shape. θ Although the above-mentioned conventional active agent 4 has provided an activation additive, most of the components of the welding active agent 4 are substrates which have little effect on activation [manganese oxide]. Furthermore, the soldering active agent 4 is applied on the side edge 11 of 1360453, which also causes inconvenience in the soldering process and the incorporation process; further, the solder active agent has a larger powder particle size and is coated. Poor property, so when applied to the surface of the workpiece 1, it is easy to produce a phenomenon of uneven coating thickness, which causes the disadvantage of unevenness in fresh roads. Therefore, for the above reasons, it is still necessary to improve the welding active agent for welding to further improve the welding quality of the carbon steel workpiece. SUMMARY OF THE INVENTION The present invention provides a welding active agent for welding carbon steel. The primary object of the present invention is to reduce the cost of the welding active agent. A secondary object of the present invention is to reduce slag residue and improve surface flatness. A further object of the invention is to improve the coating and penetration of the solder active agent. A further object of the invention is to increase the weld penetration depth of stainless steel. Another object of the invention is to increase the weld bead depth/width ratio. Another object of the invention is to improve the weldability of stainless steel. Another object of the invention is to improve the corrosion resistance of the weld bead. Another object of the invention is to increase the mechanical strength of the weld bead. Another object of the invention is to improve the appearance of the weld bead. In order to attain the foregoing object, the technical means utilized by the present invention and the effects achievable by the technical means include: A welding active agent for carbon steel welding, which comprises 30 by weight. /〇 to 50. / 〇 氧化 氧化 、 、, 2〇% to 4〇% of titanium oxide, 1〇% to 25〇 / 〇 oxidized network, 5 ° /. It varies from 20% iron oxide, 1% to 15% manganese carbonate, and 5〇/〇 1360453 ==Γ. Furthermore, in the case of inert gas ore == the father will weld a 3 ((4) rod electrode) under the protection of an inert gas such as argon or orthodontic milk, to the two workpieces made of carbon steel to provide arc heat energy. The second guard 1 is subjected to arc welding at the junction of the library. The scale, the welding consumable (10) is close to the known junction of the arc treatment, so as to smother the solder crucible (n, and simultaneously use the welding active agent 1G2 of the welding consumable 1 (10) to assist in lifting the welding (four) i and the workpiece

1之液態金屬的錦·接性。 勺i f第2B及3B圖_,本發明之銲接活性劑所 ^ 3的UiUb鈦、氧化鉻、氧切、氧化鐵、碳酸猛及 函化物等係肋作為活化添加物,可有效降倾銲接活性 劑之整體製作成本,且可有效改善社件i之―鲜池⑴ 内之液態金屬的表面張力梯度變化,進而影響該鲜池10 内之液態金屬流動方向。在該銲接活性劑102之輔 下’該銲池H)之表面張力將隨著溫度上升而增加,促The liquid metal connectivity of 1 liquid metal. Scoop if 2B and 3B _, UiUb titanium, chromium oxide, oxygen cut, iron oxide, carbonic acid and so on of the welding active agent of the present invention as an activation additive, can effectively reduce the tilting welding activity The overall production cost of the agent can effectively improve the surface tension gradient of the liquid metal in the fresh pool (1) of the social component i, thereby affecting the flow direction of the liquid metal in the fresh pool 10. The surface tension of the solder pool H under the auxiliary of the solder active agent 102 will increase as the temperature rises.

使液態金狀液面形成由該銲池1G外緣向其中央流動的 「内表面張力·流」。藉此,促使該銲池1G内之液態金屬產 生緊縮現象,並使得位於該銲池1G巾之陽極賴區(咖如 spot)之電流密度提高。進岐鱗道13形成㈣深的剖 面形態°亦即,可提升該銲池1G的深度/寬度比值,俾減 小銲接時之熱影響區’以避免影響非銲接鄰近位置的碳鋼 基材性質。 請再參照表-及第4A至4D圖所示,藉由使用本發明 之銲接活性#Μ〇2, φ於包含多種作用不同的活化添加 物,因此該工件1之銲道13具有極佳之熔透深度、機械強 —11 — 1360453 及銲接雜等,且該銲道13附妓乎不產生 該銲道13之表面幾乎可與該工件!本身 β之表面保持平齊一致。同時,觀察該銲道13 ittr/rr在紅件丨上產生寬度較社技 側緣’有利於省略錢少賴工件1之 側緣11預先加工之需求。此外,本發明之銲接 可進一步與該銲料10】直接肢成 11劑The liquid gold liquid surface is formed to "internal surface tension and flow" flowing from the outer edge of the weld pool 1G toward the center thereof. Thereby, the liquid metal in the weld pool 1G is caused to contract, and the current density in the anode region (cafe) of the 1G towel is increased. The formation of the (4) deep profile shape of the entrance scale 13 is to increase the depth/width ratio of the weld pool 1G, and to reduce the heat affected zone during welding to avoid affecting the properties of the carbon steel substrate adjacent to the non-welded adjacent location. . Referring to the table - and the 4A to 4D drawings, the bead 13 of the workpiece 1 is excellent by using the welding activity #Μ〇2 of the present invention, φ for containing a plurality of different active additives. The penetration depth, mechanical strength - 11 - 1360453 and welding miscellaneous, and the weld bead 13 does not produce the surface of the weld bead 13 almost with the workpiece! The surface of itself β remains flush. At the same time, observing that the weld bead 13 ittr/rr produces a width on the red piece is more desirable than the side edge of the workpiece 1 is advantageous for omitting the need for pre-machining of the side edge 11 of the workpiece 1 . In addition, the solder of the present invention can be further directly formed with the solder 10]

至4D圄所… 成 銲材1〇〇(如第4A 圖所不之第—至第四實施例構造),其亦有利於择加 鮮接施工便利性與銲接活性劑之供給勻稱性。 曰 卿發明之碳鋼銲接用之銲餘性劑透過調 正"厂氧化鈦、氧化鉻、氧化鐵、碳酸鍾及齒化物 之比例,以大幅降低該銲接活性劑之製作成本,並符合碳 鋼之輝接使用,·再且,該鹵化物之添加 ^ 録道深度/寬度之比值,即使生成#渣,亦容 銲道表面光滑,且由於其成本低廉,亦具有降低整體製作 成本之功效;再且,該氧化(氧化鈦、氧化鉻、氧化鐵、 碳酸猛及·物之顆粒大小係介於30至5〇nm之間,為奈 米尺度之大小,可有效提高該銲接活性劑之穿透性及塗覆 性’以提升塗覆於銲件表面之均勻度,進而提升銲道深度 之均勻度,可有效降低銲件變形之情況產生。 雖然本發明已利用上述較佳實施例揭示,然其並非用 以限疋本發明,任何熟習此技藝者在不脫離本發明之精神 和範圍之内,相對上述實施例進行各種更動與修改仍屬本 發明所保護之麟料,因此本發明之紐範圍當視後附 之申請專利範圍所界定者為準。 1360453 【圓式簡單說明】 進二電弧晴程對,材工件 時二:圖態::氣鹤極電弧鲜接製一件銲接 後二丨:= 氣鎢極辑接製程_工輸 工^^圖土 $ J用惰氣鎢極電弧銲接製程對-般鋼材 工件進行舰加王處理之示意目。 顺 銲接製程對碳鋼工件 池液 接時未添加活化元素時之録 劑及 =局部本施例之碳鋼_,活性 劑及 =::::施例,接一活性 ::本::二:實雜細接用衡 —13 — 1360453 附照一:未添加銲接活性劑直接進行銲接之低碳鋼切 面。 附照二:添加第B組之組成比例銲接活性劑進行銲接之 低碳鋼切面。 【主要元件符號說明】 1 工件 10 銲池 11 側緣 12 傾斜面 13 銲道 2 銑刀. 3 銲槍 4 銲接活性劑 40 毛刷 100 銲材 101 銲料 102 鲜接活性劑 103 内延伸端To 4D, the welding consumables (as in the fourth embodiment of Fig. 4A to the fourth embodiment) are also advantageous for the convenience of the fresh joint construction and the supply symmetry of the welding active agent. The welding residual agent for carbon steel welding invented by Yan Qing has adjusted the ratio of titanium oxide, chromium oxide, iron oxide, carbonic acid clock and toothing to greatly reduce the production cost of the welding active agent and conform to carbon. The steel is used in combination, and further, the ratio of the depth/width of the addition of the halide is such that even if the # slag is formed, the surface of the weld bead is smooth, and because of its low cost, the effect of reducing the overall production cost is also achieved. Moreover, the oxidation (titanium oxide, chromium oxide, iron oxide, carbonic acid granules) has a particle size of between 30 and 5 〇 nm, which is a nanometer size, which can effectively improve the welding active agent. Penetration and coating properties' to improve the uniformity of the surface applied to the weldment, thereby increasing the uniformity of the weld bead depth, can effectively reduce the deformation of the weldment. Although the present invention has been disclosed using the above preferred embodiment However, it is not intended to limit the invention, and any modifications and alterations to the above-described embodiments are still protected by the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the scope of the patent application. 1360453 [Circular Simple Description] Into the second arc and the pair of workpieces, the second part of the workpiece: Picture:: A piece of welding after two turns: = gas tungsten electrode assembly process _ workmanship ^ ^ map soil $ J with inert gas tungsten arc welding process for the general steel workpiece processing of the king of the king. Shun welding process pair Carbon steel workpiece pool liquid connection without adding activation elements when recording agent and = part of this example carbon steel _, active agent and =:::: application, one activity:: this:: two: real fine Connection balance—13 — 1360453 Attachment 1: Low carbon steel cut surface directly welded without the addition of welding active agent. Attachment 2: Add the low proportion of the composition of the Group B welding active agent for welding. DESCRIPTION OF SYMBOLS 1 Workpiece 10 Weld pool 11 Side edge 12 Inclined surface 13 Welded hole 2 Milling cutter. 3 Welding torch 4 Welding active agent 40 Brush 100 Welding material 101 Solder 102 Fresh active agent 103 Inner extension

Claims (1)

1360453 Ϊ00年】1月】8曰修正替換頁 七、申請專利範園: 1、 一種碳鋼銲接用之銲接活性劑’其包含以重量百分比計 30%至50%之氧化矽(si〇2)、2〇%至4〇%之氧化鈦、1〇% 至25°/◦之氡化鉻、5%至2〇%之氧化鐵的办)、跡〇至 150/〇之碳酸錳及5%至10〇/〇之鹵化物。 2、 依申請專利朗第丨項所狀碳鋼銲接用之銲接活性 劑’其中該鹵化物係為氟化物、氯化物、漠化物及碳化 物之一。 3、 依申請專利範®第2項所狀碳轉制之銲接活性 劑,其中該氟化物係為氟化鎂及氟化鎳之一。 4、 依申料鄉圍第〗.項所述之顿銲翻之銲接活性 劑’其中該銲接活性劑之粉末顆粒粒徑係介於如 50nm之間。 !項所述之碳鋼銲接用 劑,其中另包含-銲料,該銲料係包覆在該銲接活性劑 外,以共同結合成銲條及銲線之一。 6 7 依申請專利範_ 5項所述之碳鋼銲接用之銲 劑’其中轉料向内形成至少—崎伸端。4 二=合:==_包覆在_ —15 —1360453 Ϊ00年]January]8曰Revision and replacement page VII. Patent application: 1. A welding active agent for carbon steel welding containing 30% to 50% by weight of cerium oxide (si〇2) 2% to 4% of titanium oxide, 1% to 25°/◦ of chromium oxide, 5% to 2% of iron oxide), traces to 150/〇 of manganese carbonate and 5% Up to 10 〇 / 〇 halide. 2. The welding active agent for carbon steel welding according to the application for the patent stipulations, wherein the halide is one of fluoride, chloride, desert and carbon. 3. A welding active agent which is converted into carbon according to the second application of the Patent Model®, wherein the fluoride is one of magnesium fluoride and nickel fluoride. 4. According to the claim, the welding active agent of the welding agent is in the range of, for example, 50 nm. The carbon steel welding agent according to the item, further comprising - solder, which is coated on the outside of the welding active agent to jointly combine one of the welding rod and the bonding wire. 6 7 The flux for welding carbon steel according to the application of the patent _ 5, wherein the transfer material forms at least the at least the extension end. 4 two = combined: ==_ wrapped in _ - 15 -
TW98116035A 2009-05-14 2009-05-14 Welding flux for carbon steels TWI360453B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW98116035A TWI360453B (en) 2009-05-14 2009-05-14 Welding flux for carbon steels

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW98116035A TWI360453B (en) 2009-05-14 2009-05-14 Welding flux for carbon steels

Publications (2)

Publication Number Publication Date
TW201039963A TW201039963A (en) 2010-11-16
TWI360453B true TWI360453B (en) 2012-03-21

Family

ID=44995750

Family Applications (1)

Application Number Title Priority Date Filing Date
TW98116035A TWI360453B (en) 2009-05-14 2009-05-14 Welding flux for carbon steels

Country Status (1)

Country Link
TW (1) TWI360453B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI495534B (en) * 2012-05-14 2015-08-11 Nat Univ Chung Hsing Hard submerged arc welding equipment
CN113927201A (en) * 2020-07-14 2022-01-14 中国核工业二三建设有限公司 Formula and using method of activator for Q245R carbon steel A-TIG welding

Also Published As

Publication number Publication date
TW201039963A (en) 2010-11-16

Similar Documents

Publication Publication Date Title
CN102941397B (en) Argon tungsten arc welding method for nickel-based alloy
CN101559544B (en) Pure argon gas shielded welding mig flux-cored wire and MIG arc welding method
CN102059476A (en) Hardfacing MIG-arc welding wire and hardfacing MIG-arc welding process
US20140027414A1 (en) Hybrid welding system and method of welding
CN103785962B (en) A kind of titanium-steel composite board full impregnated welding method
TWI360454B (en) Welding flux for stainless steels
CN103182611B (en) Flux-cored welding wire for carbon steel and process for arc welding
CN105382383B (en) Multielectrode gas-shielded arc welding method
TWI377106B (en) Antiseptic welding flux with silver content for stainless steels
CN103785931B (en) A kind of stainless steel welded method
TWI297629B (en) Welding flux for stainless steels
JP4498039B2 (en) Solid wire for laser / arc combined welding and laser / arc combined welding method
WO2014088111A1 (en) Narrow-gap, gas-shielded arc welded joint
TWI360453B (en) Welding flux for carbon steels
CN101138815B (en) Active soldering flux for welding stainless steel
JPH11207491A (en) Flux cored wire for co2 gas shielded arc welding using dc straight polarity and welding method thereof
JP6420215B2 (en) Consumable electrode gas shield arc welding method
JP2006088174A (en) Method for joining dissimilar materials
CN105364339B (en) Flux-cored wire for argon-rich gas shielded welding and preparation method and application thereof
CN103286480A (en) Shielding gas for high-power TIG welding
JP5600262B2 (en) Arc brazing shielding gas and welding method using the shielding gas
TWI295605B (en) Weiding flux for carbon steels
TWI295604B (en) Welding flux for stainless steels
JP5173558B2 (en) Manufacturing method of MIG welded joint of steel and aluminum
JPS6216747B2 (en)

Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees