CN100400218C - Wearable tubular welding rod made from tungsten carbide - Google Patents

Wearable tubular welding rod made from tungsten carbide Download PDF

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Publication number
CN100400218C
CN100400218C CN 200410012950 CN200410012950A CN100400218C CN 100400218 C CN100400218 C CN 100400218C CN 200410012950 CN200410012950 CN 200410012950 CN 200410012950 A CN200410012950 A CN 200410012950A CN 100400218 C CN100400218 C CN 100400218C
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tungsten carbide
particles
wear
tubular
electrode
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CN 200410012950
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Chinese (zh)
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CN1562550A (en
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建 吴
张烈华
岸 肖
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江汉石油钻头股份有限公司
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Abstract

本发明涉及一种耐磨管状碳化钨焊条,主要用于钢齿牙轮钻头的齿面强化,以及牙轮钻头的掌尖强化,也可用于其它钢件的表面强化。 The present invention relates to a wear-resistant tungsten carbide electrode tube, mainly for steel tooth flank strengthening cone bits, roller cone bits, and the tip of the palm reinforcement, other surfaces can also be used to strengthen steel. 它包括有焊管和填料,所述的填料包括烧结碳化钨颗粒、铸造碳化钨颗粒、合金粉和有机粘结剂,各组分的含量按重量计为:烧结碳化钨颗粒60~95%,铸造碳化钨颗粒0~35%,合金粉2~6%,有机树脂0.5~2%,其特征在于所述合金粉的组份含量按重量百分比计为:Cr 7~40%,Si4~14%,B 2.5~9%,Mn 0~15%,Ni余量。 It comprises a pipe and a filler, said filler comprising particles of cemented tungsten carbide, cast tungsten carbide particles, alloy powder and an organic binder, the content of each component is by weight: sintered tungsten carbide particles 60 to 95%, casting 0 to 35% tungsten carbide particles, alloy powder 2 to 6%, 0.5-2% organic resin, wherein the content of said alloy powder ingredients by weight percent of: Cr 7 ~ 40%, Si4 ~ 14%, B 2.5 ~ 9%, Mn 0 ~ 15%, Ni balance. 采用上述合金体系配方后,在堆焊过程中,能够有效降低粘结金属的熔点,从而减少对耐磨颗粒的烧损,使耐磨堆焊层的整体耐磨性得到有效的提高。 After the foregoing formula alloy system, the welding process can effectively lower the melting point of the binder metal, thereby reducing the burning of wear resistant particles, the overall wear resistance of hardfacing layer is effectively improved.

Description

一种耐磨管状碳化钩焊条技术领域本发明涉及一种耐磨堆焊材料,主要用于钢齿牙轮钻头的齿面强化, 以及牙轮钻头的掌尖强化,也可用于其它钢件的表面强化。 A wear-resistant carbide hook tubular electrodes Field The present invention relates to a hardfacing materials, mainly for steel tooth flank strengthening cone bits, and palm reinforced tip cone bits, also applicable to other steel member surface hardening. 背景技术现有技术中,用于钢齿牙轮钻头齿面堆焊的耐磨材料主要有两大类: 一类是铁基合金和碳化钨耐磨颗粒的耐磨复合材料;另一类是镍基合金和碳化钨耐磨颗粒的耐磨复合材料。 Background prior art, wear-resistant material for the steel tooth flank welding roller cone bit There are two major categories: one is iron-based alloy and a wear-resistant tungsten carbide composite wear resistant particles; the other is composite wear resistant nickel-based alloy and tungsten carbide wear resistant particles. 这些耐磨复合材料通常制成管状焊条,以便于使用。 These materials are typically made of wear-resistant composite tubular electrode, for use. 实践表明,前者在堆焊过程中,对耐磨颗粒的烧损很严重,大大降低了耐磨颗粒的耐磨性,分析其原因可能主要是铁基合金的熔点较高。 Practice shows that the former is in the welding process, the burning of the abrasion resistant particles is very serious, greatly reduces the abrasion wear resistant particles, analysis of the reasons may be mainly higher melting iron-based alloy. 后者的粘结金属(镍基合金)与耐磨颗粒之间的耐磨性能差别较大,在实际的工况条件下,该粘结金属耐磨性差易被磨损,从而导致耐磨颗粒失去支撑而脱落。 The difference between the wear resistance of the latter binder metal (nickel-based alloy) with larger particles of wear, under actual working conditions, the wear resistance is poor binder metal susceptible to wear, leading to loss of wear resistant particles support and fall off. 发明内容本发明所要解决的技术问题在于针对上述现有技术存在的问题,对管焊条内的合金体系配方进行了优化设计,降低焊条中合金体系的熔点, 提高粘结金属与耐磨颗粒之间的结合力,提供一种铁-镍-铬-硅-硼系合金的耐磨管状碳化钨焊条。 SUMMARY OF THE INVENTION The technical problem to be solved by the prior art for the present problem, formulation of the alloy system in the tube electrodes were optimized, lower the melting point of the welding alloy system, enhance the adhesion between the metal and the abrasion-resistant particles binding force, providing an iron - nickel - chromium - silicon - a tubular tungsten carbide electrode wear boron alloy. 本发明是通过下述技术方案予以实现:包括有焊管和填料,所述的填料包括烧结碳化钨颗粒、铸造碳化钨颗粒、合金粉和有机粘结剂,各组分的含量按重量计为:烧结碳化钨颗粒60〜95%,铸造碳化钩颗粒0~35%,合金粉2~6%,有机树脂0.5~2%,其不同之处在于所述合金粉的组份含量按重量百分比计为:Cr 7〜40%, Si 4〜14%, B 2.5〜9%, Mn 0〜15%, Ni余量。 The present invention is realized by the following technical scheme: and comprising the filler pipe, said filler comprises particles of cemented tungsten carbide, cast tungsten carbide particles, alloy powder and an organic binder, the content of each component is by weight: 60~95% sintered tungsten carbide particles, cast hook carbide particles 0-35%, alloy powder 2 to 6%, 0.5-2% organic resin, its ingredients except that the content of the alloy powder by weight percentage : Cr 7~40%, Si 4~14%, B 2.5~9%, Mn 0~15%, Ni balance. 按上述方案,可在上述合金粉中加入稀土元素,加入稀土元素的含量按重量计为0.5〜2.5%。 The content of the above-described embodiment, may be added to the above rare earth elements in the alloy powder, rare earth elements added 0.5~2.5% by weight. 按上述方案,所述的焊管由冷轧低碳钢带巻制而成,或由镍合金带或钴合金带巻制而成,焊管管皮的厚度控制在0.1〜0.5mrn。 According to the above embodiment, the pipe is made from cold rolled low carbon steel Volume, or a nickel alloy or a cobalt alloy strip with Volume crafted, welded tube in skin thickness control 0.1~0.5mrn. 按上述方案,所述的烧结碳化钨颗粒的粒度为16~40目,铸造碳化钨颗粒的粒度为40〜80目。 According to the above embodiment, the particle size of the cemented tungsten carbide particles is 16 to 40 mesh, cast tungsten carbide particles of a particle size of 40~80 mesh. 制成的碳化钨焊条填料占焊条重量的百分比为60~80%,焊管占悍条重量的百分比为20~40%。 The percentage tungsten electrode rod made of a weight of the filler comprises 60 to 80%, by weight of welded strips defended percentage is 20 to 40%. 本发明填料中的烧结碳化钨颗粒和铸造碳化鹆颗粒可为球形或椭球形;烧结碳化钨颗粒中的金属粘结剂可以是钴粉、镍粉或铁粉,其中以钴粉作粘结剂和球形颗粒效果最佳。 Cemented tungsten carbide particulate filler of the present invention and may be cast carbide particles mynah spherical or elliptical; sintered tungsten carbide particles in a metal binder may be a cobalt powder, nickel powder or iron powder, cobalt powder as a binder wherein and spherical particles best. 本发明的有益效果在于通过改进焊条的合金体系配方,降低了粘结金属的熔点,同时改善了焊条的焊接性,因而减少了焊条中耐磨颗粒的烧损,使耐磨颗粒的耐磨性能得到保持;并且随着镍、铬、硅、硼等合金元素的加入,增强了焊条在堆焊过程中的脱氧效果,改善了粘结金属与耐磨颗粒以及金属基体之间的润湿性,从而提高了粘结金属与耐磨颗粒之间的结合力,增强了耐磨颗粒在堆焊层中的保持力,使耐磨堆焊层的整体耐磨性得到有效的提高。 Advantageous effects of the present invention is that by improving the wear resistance of the alloy system formulation electrodes, lowers the melting point of the binder metal, while improving the weldability of electrode, thereby reducing the burning of wear resistant particles in the electrode, so that wear resistant particles maintained; and with the addition of the alloying elements nickel, chromium, silicon, boron and the like, to enhance the deoxidation effect surfacing welding process, improves the wettability between the binder metal and the abrasion resistant particles and metal matrix, thereby improving the bonding force between the binder metal and wear resistant particles, enhance the retention of particles in the wear resistant surfacing layer, the overall wear resistance of hardfacing layer is effectively improved. 具体实施方式下面进一步详细介绍本发明的实施例。 DETAILED DESCRIPTION The following further detail to the embodiments of the present invention. 实施例1:管状碳化钨焊条的填料按重量计由16~40目烧结碳化钩颗粒60~95%, 40~80目铸造碳化钨颗粒0~35%,合金粉混合物4~6%, 有机树脂1〜2%组成,其中各合金粉在整个合金粉中的组分和含量按重量计为:铬Cr: 6~9%,硅Si: 3~5%,硼B: 7~10%,镍Ni:余量。 Example 1: a tubular tungsten carbide electrode filler by weight of 16-40 mesh particles of sintered carbide hook 60 to 95%, 40 to 80 mesh cast tungsten carbide particles of 0 ~ 35%, the alloy powder mixture is 4 to 6%, the organic resin 1 to 2%, where the content of each component and the alloy powder in the whole alloy powders by weight is: chromium Cr: 6 ~ 9%, silicon Si: 3 ~ 5%, boron B: 7 ~ 10%, Ni Ni: the rest. 填料所占管状焊条的重量百分比为63%;将上述填料进行混合搅拌,再和冷轧低碳钢带或镍合金带或钴合金带一起轧制并拉拨成型。 Weight percent filler occupies 63% of the tubular electrode; and the filler were mixed and stirred, and then cold-rolled low carbon steel strip or a nickel alloy or a cobalt alloy and, together with the rolling Pullout molding. 湿砂磨损实验结果表明,该管状碳化钨焊条堆焊层的耐磨性和国内外现有同类焊条相比提高了30%以上。 Experimental results show that the wet sand abrasion, and wear resistance of the conventional tubular abroad similar electrodes tungsten carbide electrode layer surfacing more than 30% increased compared. 实施例2:管状碳化钨焊条的填料按重量计由1640目烧结碳化钩颗粒60〜95%, 40~80目铸造碳化钨颗粒0〜35%,合金粉混合物2~4%,有机树脂0.5~2%组成,各合金粉在整个合金粉中的组分和含量按重量计为: 铬Cr: 10~12%,硅Si: 12〜14%,硼B: 2~3%,锰Mn: 13~15%,镍Ni: 余量。 Example 2: a tubular tungsten carbide electrode filler by weight of the particles of 1640 mesh sintered carbide hook 60~95%, 40 to 80% 0 to 35 mesh cast tungsten carbide particles, a mixture of alloy powder 2 to 4%, the organic resin 0.5 2% of the composition, and the content of each alloy powder component in the whole alloy powders by weight is: chromium Cr: 10 ~ 12%, silicon Si: 12~14%, boron B: 2 ~ 3%, manganese Mn: 13 to 15%, Ni: to balance. 填料所占管状焊条的重量百分比为65%。 By weight filler proportion of 65% of the tubular electrode. 湿砂磨损实验结果表明, 该管状碳化钨焊条堆焊层的耐磨性和国内外现有同类焊条相比提高了40%以上。 Experimental results show that the wet sand abrasion, and wear resistance of the conventional tubular abroad similar electrodes surfacing tungsten carbide electrode layer increased compared to more than 40%. 实施例3:管状碳化钨焊条的填料按重量计由16~40目烧结碳化钩颗粒60〜95%, 40~80目铸造碳化钨颗粒0〜35%,合金粉混合物2~4%,有机树脂0.5~2%组成,各合金粉在整个合金粉中的组分和含量按重量计为:铬Cr: 10~12%,硅Si: 12~14%,硼B: 2~3%,锰Mn: 13~15%, 氧化铈Ce203: 1~2%,镍Ni:余量。 Example 3: a tubular tungsten carbide electrode filler by weight of 16-40 mesh particles of sintered carbide hook 60~95%, 40 to 80% 0 to 35 mesh cast tungsten carbide particles, a mixture of alloy powder 2 to 4%, the organic resin 0.5 to 2% of the composition, and the content of each alloy powder component in the whole alloy powders by weight is: chromium Cr: 10 ~ 12%, silicon Si: 12 ~ 14%, boron B: 2 ~ 3%, manganese (Mn) : 13 to 15% cerium oxide Ce203: 1 ~ 2%, Ni: to balance. 填料所占管状焊条的重量百分比为65%。 By weight filler proportion of 65% of the tubular electrode. 湿砂磨损实验结果表明,该管状碳化钨焊条的耐磨性和国内外现有同类焊条相比提高了40%以上。 Wet sand abrasion test results show that the wear resistance of the tubular tungsten carbide electrode and electrodes existing similar domestic and more than 40% increased compared.

Claims (7)

1. 一种耐磨管状碳化钨焊条,包括有焊管和填料,所述的填料包括烧结碳化钨颗粒、铸造碳化钨颗粒、合金粉和有机粘结剂,各组分的含量按重量计为:烧结碳化钨颗粒60~95%,铸造碳化钨颗粒0~35%,合金粉2~6%,有机树脂0.5~2%,其特征在于所述合金粉的组份含量按重量百分比计为:Cr 7~40%,Si 4~14%,B 2.5~9%,Mn 0~15%,Ni余量。 A wear resistant tungsten carbide tubular rod, pipe and comprising a filler, said filler comprising particles of cemented tungsten carbide, cast tungsten carbide particles, alloy powder and an organic binder, the content of each component is by weight: cemented tungsten carbide particles of 60 to 95%, cast tungsten carbide particles of 0 ~ 35%, alloy powder 2 to 6%, 0.5-2% organic resin, wherein the content of said alloy powder ingredients by weight percentages: Cr 7 ~ 40%, Si 4 ~ 14%, B 2.5 ~ 9%, Mn 0 ~ 15%, Ni balance.
2、 按权利要求1所述的耐磨管状碳化钨焊条,其特征在于所述合金粉中加入稀土元素,加入稀土元素的含量按重量计为0.5〜2.5%。 2, according to claim tubular tungsten carbide wear of the electrode 1, wherein the rare earth elements added to the alloy powder, the content of rare earth elements added to 0.5~2.5% by weight.
3、 按权利要求1或2所述的耐磨管状碳化钨焊条,其特征在于所述的焊管由冷轧低碳钢带巻制而成,或由镍合金带或钴合金带巻制而成, 焊管管皮的厚度控制在0.1〜0.5mrn。 3, according to claim tubular tungsten carbide electrode wear or claim 12, wherein said pipe is made from cold rolled low carbon steel Volume, or a nickel alloy or a cobalt alloy strip with Volume crafted , welded tube in skin thickness control 0.1~0.5mrn.
4、 按权利要求1或2所述的耐磨管状碳化钨焊条,其特征在于所述的烧结碳化钨颗粒的粒度为16~40目,铸造碳化钨颗粒的粒度为40〜 80目。 4. A process according to claim tubular tungsten carbide electrode wear or claim 12, wherein the particle size of the cemented tungsten carbide particles is 16 to 40 mesh, cast tungsten carbide particles of a particle size of 80 mesh 40~.
5、 按权利要求1或2所述的耐磨管状碳化钨焊条,其特征在于制成的碳化钩焊条填料占焊条重量的百分比为60〜80%,焊管占焊条重量的百分比为20~40%。 5. A process as claimed in claim tubular tungsten carbide electrode wear or claim 12, characterized in that the percentage of carbide filler comprises a hook rod electrodes made of 60~80% by weight, the percentage by weight of the electrode is welded representing 20 to 40% .
6、 按权利要求1或2所述的耐磨管状碳化钨焊条,其特征在于填料中烧结碳化钨颗粒和铸造碳化钩颗粒为球形或椭球形。 6. The electrode as claimed in claim wear tubular tungsten carbide or claim 12, wherein the filler material and the sintered tungsten carbide particles hook cast carbide particles are spherical or ellipsoidal.
7、 按权利要求6所述的耐磨管状碳化钨焊条,其特征在于烧结碳化钨颗粒中的金属粘结剂为钴粉、镍粉或铁粉' 7. The electrode as claimed in claim tungsten carbide wear tubular claim 6, characterized in that the binder metal in cemented tungsten carbide particles is cobalt powder, nickel powder or iron powder '
CN 200410012950 2004-03-31 2004-03-31 Wearable tubular welding rod made from tungsten carbide CN100400218C (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011124542A3 (en) * 2010-04-08 2013-01-10 H.C. Starck Gmbh Dispersion, method for producing same, and use thereof

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7703555B2 (en) 2005-09-09 2010-04-27 Baker Hughes Incorporated Drilling tools having hardfacing with nickel-based matrix materials and hard particles
US7597159B2 (en) 2005-09-09 2009-10-06 Baker Hughes Incorporated Drill bits and drilling tools including abrasive wear-resistant materials
US7997359B2 (en) 2005-09-09 2011-08-16 Baker Hughes Incorporated Abrasive wear-resistant hardfacing materials, drill bits and drilling tools including abrasive wear-resistant hardfacing materials
CN100548565C (en) 2007-11-26 2009-10-14 苏州新锐硬质合金有限公司 Tubular hard surface overlaying material
CN101380698B (en) 2008-10-09 2011-08-10 苏州新锐硬质合金有限公司 Novel tubular hard surfacing material
WO2013063766A1 (en) * 2011-11-01 2013-05-10 江汉石油钻头股份有限公司 Tube welding rod resistant to low stress abrasion
WO2013063768A1 (en) * 2011-11-02 2013-05-10 江汉石油钻头股份有限公司 Tube welding rod resistant to high stress abrasion
CN104646849A (en) * 2015-01-04 2015-05-27 苏州新锐合金工具股份有限公司 Tungsten carbide tubular welding rod for hard-surface overlay welding
US9869132B2 (en) 2015-02-04 2018-01-16 National Oilwell Varco, L.P. Wellsite hardfacing with particle distribution and method of using same
US9909395B2 (en) 2015-09-21 2018-03-06 National Oilwell DHT, L.P. Wellsite hardfacing with distributed hard phase and method of using same

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1210051A (en) 1997-09-01 1999-03-10 姚光华 Corrosionproof heatproof wearproof alloy weld rod
CN1375377A (en) 2002-04-23 2002-10-23 江汉石油钻头股份有限公司 Wear-resistant tungsten carbide bead-welding material and welding rod
CN1404956A (en) 2002-11-04 2003-03-26 江汉石油钻头股份有限公司 Tube-like tungsten carbonate welding bar

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1210051A (en) 1997-09-01 1999-03-10 姚光华 Corrosionproof heatproof wearproof alloy weld rod
CN1375377A (en) 2002-04-23 2002-10-23 江汉石油钻头股份有限公司 Wear-resistant tungsten carbide bead-welding material and welding rod
CN1404956A (en) 2002-11-04 2003-03-26 江汉石油钻头股份有限公司 Tube-like tungsten carbonate welding bar

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011124542A3 (en) * 2010-04-08 2013-01-10 H.C. Starck Gmbh Dispersion, method for producing same, and use thereof
JP2013529136A (en) * 2010-04-08 2013-07-18 ハー.ツェー.スタルク ゲゼルシャフト ミット ベシュレンクテル ハフツングH.C. Starck GmbH Dispersions, their preparation and use thereof
US8815983B2 (en) 2010-04-08 2014-08-26 H. C. Starck Gmbh Dispersion, method for producing same, and use thereof
EP2566638B1 (en) 2010-04-08 2015-09-02 H.C. Starck GmbH Dispersions comprisng cast tungsten carbide particles coated with tungsten carbide, method for producing same, and use thereof

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