CN101412169A - Explosive core raw material composing component of heat-resisting wear-resistant flux-cored wire - Google Patents
Explosive core raw material composing component of heat-resisting wear-resistant flux-cored wire Download PDFInfo
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- CN101412169A CN101412169A CNA2008102324813A CN200810232481A CN101412169A CN 101412169 A CN101412169 A CN 101412169A CN A2008102324813 A CNA2008102324813 A CN A2008102324813A CN 200810232481 A CN200810232481 A CN 200810232481A CN 101412169 A CN101412169 A CN 101412169A
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Abstract
The invention relates to a raw material composition of a flux core of an ovenproof and wearable flux-cored welding wire. Ferro-titanium powder accounts for 48 to 56 percent of the total weight of the flux core; ferrochrome powder accounts for 28 to 32 percent; coke powder accounts for 1 to 2 percent; ferrosilicon powder accounts for 4 to 8 percent; silicon-manganese alloy accounts for 2 to 8 percent; niobium powder accounts for 0.8 to 4 percent; nickel powder accounts for 0.6 to 5 percent; ferrovanadium powder accounts for 1 to 4 percent; rare earth accounts for 0.1 to 0.5 percent; rutile accounts for 0.1 to 0.3 percent; marble accounts for 0.1 to 0.6 percent; fluorite powder accounts for 0.1 to 0.8 percent; isinglass accounts for 0.1 to 0.6 percent; the heat resistance of the produced welding wire reaches 1,200 DEG C, the hardness reaches over 52 HRC; and the welding wire has extremely strong inoxidizability, heat resistance and fatigue impact performance.
Description
Technical field
The present invention relates to the replating material, particularly a kind of explosive core raw material composing component of heat-resisting wear-resistant flux-cored wire.
Background technology
In welding profession, often need carry out built-up welding manufacturing or reparation by component surface poor to some surface abrasion resistances, non-refractory, used welding material has coating weldering bridge, solid welding wire and flux-cored wire.Wherein the built-up welding of coating weldering bridge is simple to operate, flexible, but that shortcoming is an efficient is low; The solid welding wire rigidity is strong, processing performance good, but excessive alloying element is limited; The flux-cored wire composition is easy to adjust, can obtain the hardfacing alloy of required composition as required, and welds with submerged arc or gas shiled mode and to have the deposition efficiency height, is more suitable for enterprise and produces.The raw material of at present existing flux-cored wire mainly contains compositions such as high carbon ferro-chrome, nickel powder, silicon rare earth, lead powder, molybdenum-iron, ferrotianium, and the part welding wire contains toxic gas, and human body is had bigger injury, needs gas shield when welding, and it is big to splash, and coating is not easy to come off.The heat resistance of existing heat resisting steel welding wire is usually below 1100 ℃, it is low still to exist in hot environment anti-wear performance as domestic iron and steel, the used solid welding wire H25Cr3Mo2MnV of electric power enterprise repaired roller, working time is too short, often changes roll, has so just influenced productivity effect greatly.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art, the objective of the invention is to propose a kind of explosive core raw material composing component of heat-resisting wear-resistant flux-cored wire, delta ferrite by its welding wire of making accounts for more than 85% of deposited metal volume, heat resistance reaches 1200 ℃, hardness reaches more than the 52HRC, has extremely strong non-oxidizability and heat shock resistance fatigue behaviour simultaneously.
Explosive core raw material composing component of the present invention is: titanium-iron powder accounts for 48～56% of medicine core gross weight, the ferrochrome powder accounts for 28～32% of medicine core gross weight, coke powder accounts for 1～2% of medicine core gross weight, ferrosilicon powder accounts for 4～8% of medicine core gross weight, the silicomangan powder accounts for 2～8% of medicine core gross weight, the niobium powder accounts for 0.8～4% of medicine core gross weight, nickel powder accounts for 0.6～5% of medicine core gross weight, vanadium iron powder accounts for 1～4% of medicine core gross weight, rare earth accounts for 0.1～0.5% of medicine core gross weight, rutile accounts for 0.1～0.3% of medicine core gross weight, marble accounts for 0.1～0.6% of medicine core gross weight, the fluorite powder accounts for 0.1～0.8% of medicine core gross weight, and mica accounts for 0.1～0.6% of medicine core gross weight.
Described raw material specification is: titanium-iron powder titaniferous amount accounts for 30% of titanium-iron powder gross weight; Ferrochrome powder chrome content accounts for 55% of ferrochrome powder gross weight, and phosphorus content accounts for 6% of ferrochrome powder gross weight; The coke powder phosphorus content accounts for 80% of coke powder gross weight; The ferrosilicon powder silicon content accounts for 75% of ferrosilicon powder gross weight; Silicomangan powder manganese content accounts for 58% of silicomangan powder gross weight, and silicon content accounts for 17% of silicomangan powder gross weight; Niobium powder niobium content accounts for 98% of niobium powder gross weight; The nickel powder nickel content accounts for 99% of nickel powder gross weight; The vanadium iron powder vanadium content accounts for 50% of vanadium iron powder gross weight.
Described medicine core component accounts for 35%～45% of whole welding wire gross weight.
Because ferrotianium accounts for very big proportion in the medicine core, therefore can access the organizational framework of delta ferrite; Adding ferrochrome and carbon dust is in order to improve the hardness of welding wire; The adding vanadium is the crystal grain for the refinement delta ferrite, makes this tissue high temperature resistantly to reach 1200 ℃; Adding additives such as rutile, fluorite is in order to reduce welding slag, the Balancing degree.
The specific embodiment
Embodiment one
The explosive core raw material composing component of present embodiment is: titanium-iron powder accounts for 48% of medicine core gross weight, the ferrochrome powder accounts for 31% of medicine core gross weight, coke powder accounts for 1% of medicine core gross weight, ferrosilicon powder accounts for 6% of medicine core gross weight, the silicomangan powder accounts for 5% of medicine core gross weight, the niobium powder accounts for 4% of medicine core gross weight, nickel powder accounts for 2% of medicine core gross weight, vanadium iron powder accounts for 2% of medicine core gross weight, rare earth accounts for 0.2% of medicine core gross weight, and rutile accounts for 0.3% of medicine core gross weight, and marble accounts for 0.2% of medicine core gross weight, the fluorite powder accounts for 0.2% of medicine core gross weight, and mica accounts for 0.1% of medicine core gross weight.
Present embodiment Chinese medicine core accounts for 40% of welding wire gross weight.
In the present embodiment in the prepared welding wire deposited metal delta ferrite account for 85% of deposited metal volume, hardness number reaches 52HRC, impact value is 28Kg/m.
Embodiment two
The explosive core raw material composing component of present embodiment is: titanium-iron powder accounts for 51% of medicine core gross weight, the ferrochrome powder accounts for 30% of medicine core gross weight, coke powder accounts for 1.5% of medicine core gross weight, ferrosilicon powder accounts for 6% of medicine core gross weight, the silicomangan powder accounts for 5% of medicine core gross weight, the niobium powder accounts for 1% of medicine core gross weight, nickel powder accounts for 2% of medicine core gross weight, vanadium iron powder accounts for 2% of medicine core gross weight, rare earth accounts for 0.4% of medicine core gross weight, and rutile accounts for 0.3% of medicine core gross weight, and marble accounts for 0.2% of medicine core gross weight, the fluorite powder accounts for 0.4% of medicine core gross weight, and mica accounts for 0.2% of medicine core gross weight.
Present embodiment Chinese medicine core accounts for 38% of welding wire gross weight.
The impact value that the prepared welding wire of present embodiment impacts test block is 12Kg/m, and hardness reaches 53HRC.
Embodiment three
The explosive core raw material composing component of present embodiment is: titanium-iron powder accounts for 54% of medicine core gross weight, the ferrochrome powder accounts for 30% of medicine core gross weight, coke powder accounts for 1.5% of medicine core gross weight, ferrosilicon powder accounts for 5% of medicine core gross weight, the silicomangan powder accounts for 5% of medicine core gross weight, the niobium powder accounts for 1% of medicine core gross weight, nickel powder accounts for 1% of medicine core gross weight, vanadium iron powder accounts for 1% of medicine core gross weight, rare earth accounts for 0.2% of medicine core gross weight, and rutile accounts for 0.2% of medicine core gross weight, and what marble accounted for medicine core gross weight accounts for 0.4% of medicine core gross weight, the fluorite powder accounts for 0.2% of medicine core gross weight, and mica accounts for 0.5% of medicine core gross weight.
Present embodiment Chinese medicine core accounts for 42% of welding wire gross weight.
Prepared welding wire delta ferrite accounts for more than 85% of deposited metal volume in the present embodiment, high temperature resistantly reaches 1300 ℃, and impact strength is 27Kg/m, and hardness is 54HRC, arc stability during welding, and it is little to splash, forming, coating comes off easily.
Embodiment four
The explosive core raw material composing component of present embodiment is: titanium-iron powder accounts for 56% of medicine core gross weight, the ferrochrome powder accounts for 28% of medicine core gross weight, coke powder accounts for 1.5% of medicine core gross weight, ferrosilicon powder accounts for 5% of medicine core gross weight, the silicomangan powder accounts for 5% of medicine core gross weight, the niobium powder accounts for 1% of medicine core gross weight, nickel powder accounts for 1% of medicine core gross weight, vanadium iron powder accounts for 1% of medicine core gross weight, rare earth accounts for 0.5% of medicine core gross weight, and rutile accounts for 0.2% of medicine core gross weight, and marble accounts for 0.3% of medicine core gross weight, the fluorite powder accounts for 0.2% of medicine core gross weight, and mica accounts for 0.3% of medicine core gross weight.
Present embodiment Chinese medicine core accounts for 43% of welding wire gross weight.
In the present embodiment since ferrotianium to account for total proportion more, prepared welding wire impact strength is 25Kg/m, hardness is 57HRC, splashes during welding and increases to some extent, the continuity of electric arc is better, the molten drop showed increased.
Claims (7)
1, the explosive core raw material composing component of heat-resisting wear-resistant flux-cored wire, it is characterized in that, titanium-iron powder accounts for 48～56% of medicine core gross weight, the ferrochrome powder accounts for 28～32% of medicine core gross weight, coke powder accounts for 1～2% of medicine core gross weight, ferrosilicon powder accounts for 4～8% of medicine core gross weight, the silicomangan powder accounts for 2～8% of medicine core gross weight, the niobium powder accounts for 0.8～4% of medicine core gross weight, nickel powder accounts for 0.6～5% of medicine core gross weight, vanadium iron powder accounts for 1～4% of medicine core gross weight, rare earth accounts for 0.1～0.5% of medicine core gross weight, rutile accounts for 0.1～0.3% of medicine core gross weight, marble accounts for 0.1～0.6% of medicine core gross weight, and the fluorite powder accounts for 0.1～0.8% of medicine core gross weight, and mica accounts for 0.1～0.6% of medicine core gross weight.
2, the explosive core raw material composing component of heat-resisting wear-resistant flux-cored wire according to claim 1 is characterized in that, described titanium-iron powder titaniferous amount accounts for 30% of titanium-iron powder gross weight; Ferrochrome powder chrome content accounts for 55% of ferrochrome powder gross weight, and phosphorus content accounts for 6% of ferrochrome powder gross weight; The coke powder phosphorus content accounts for 80% of coke powder gross weight; The ferrosilicon powder silicon content accounts for 75% of ferrosilicon powder gross weight; Silicomangan powder manganese content accounts for 58% of silicomanganese iron powder gross weight, and silicon content accounts for 17% of silicomanganese iron powder gross weight; Niobium powder niobium content accounts for 98% of niobium powder gross weight; The nickel powder nickel content accounts for 99% of nickel powder gross weight; The vanadium iron powder vanadium content accounts for 50% of vanadium iron powder gross weight.
3, the explosive core raw material composing component of heat-resisting wear-resistant flux-cored wire according to claim 1 is characterized in that, described medicine core component accounts for 35%～45% of whole welding wire gross weight.
4, according to claim 1, the explosive core raw material composing component of 2 described heat-resisting wear-resistant flux-cored wires, it is characterized in that, titanium-iron powder accounts for 48% of medicine core gross weight, the ferrochrome powder accounts for 31% of medicine core gross weight, coke powder accounts for 1% of medicine core gross weight, ferrosilicon powder accounts for 6% of medicine core gross weight, the silicomangan powder accounts for 5% of medicine core gross weight, the niobium powder accounts for 4% of medicine core gross weight, nickel powder accounts for 2% of medicine core gross weight, vanadium iron powder accounts for 2% of medicine core gross weight, and rare earth accounts for 0.2% of medicine core gross weight, and rutile accounts for 0.3% of medicine core gross weight, marble accounts for 0.2% of medicine core gross weight, the fluorite powder accounts for 0.2% of medicine core gross weight, and mica accounts for 0.1% of medicine core gross weight, and the medicine core accounts for 40% of welding wire gross weight.
5, according to claim 1, the explosive core raw material composing component of 2 described heat-resisting wear-resistant flux-cored wires, it is characterized in that, titanium-iron powder accounts for 51% of medicine core gross weight, the ferrochrome powder accounts for 30% of medicine core gross weight, coke powder accounts for 1.5% of medicine core gross weight, ferrosilicon powder accounts for 6% of medicine core gross weight, the silicomangan powder accounts for 5% of medicine core gross weight, the niobium powder accounts for 1% of medicine core gross weight, nickel powder accounts for 2% of medicine core gross weight, vanadium iron powder accounts for 2% of medicine core gross weight, and rare earth accounts for 0.4% of medicine core gross weight, and rutile accounts for 0.3% of medicine core gross weight, marble accounts for 0.2% of medicine core gross weight, the fluorite powder accounts for 0.4% of medicine core gross weight, and mica accounts for 0.2% of medicine core gross weight, and the medicine core accounts for 38% of welding wire gross weight.
6, according to claim 1, the explosive core raw material composing component of 2 described heat-resisting wear-resistant flux-cored wires, it is characterized in that, titanium-iron powder accounts for 54% of medicine core gross weight, the ferrochrome powder accounts for 30% of medicine core gross weight, coke powder accounts for 1.5% of medicine core gross weight, ferrosilicon powder accounts for 5% of medicine core gross weight, the silicomangan powder accounts for 5% of medicine core gross weight, the niobium powder accounts for 1% of medicine core gross weight, nickel powder accounts for 1% of medicine core gross weight, vanadium iron powder accounts for 1% of medicine core gross weight, and rare earth accounts for 0.2% of medicine core gross weight, and rutile accounts for 0.2% of medicine core gross weight, what marble accounted for medicine core gross weight accounts for 0.4% of medicine core gross weight, the fluorite powder accounts for 0.2% of medicine core gross weight, and mica accounts for 0.5% of medicine core gross weight, and the medicine core accounts for 42% of welding wire gross weight.
7, according to claim 1, the explosive core raw material composing component of 2 described heat-resisting wear-resistant flux-cored wires, it is characterized in that, titanium-iron powder accounts for 56% of medicine core gross weight, the ferrochrome powder accounts for 28% of medicine core gross weight, coke powder accounts for 1.5% of medicine core gross weight, ferrosilicon powder accounts for 5% of medicine core gross weight, the silicomangan powder accounts for 5% of medicine core gross weight, the niobium powder accounts for 1% of medicine core gross weight, nickel powder accounts for 1% of medicine core gross weight, vanadium iron powder accounts for 1% of medicine core gross weight, and rare earth accounts for 0.5% of medicine core gross weight, and rutile accounts for 0.2% of medicine core gross weight, marble accounts for 0.3% of medicine core gross weight, the fluorite powder accounts for 0.2% of medicine core gross weight, and mica accounts for 0.3% of medicine core gross weight, and the medicine core accounts for 43% of welding wire gross weight.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102324813A CN101412169B (en) | 2008-11-28 | 2008-11-28 | Explosive core of heat-resisting wear-resistant flux-cored wire |
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| CN2008102324813A CN101412169B (en) | 2008-11-28 | 2008-11-28 | Explosive core of heat-resisting wear-resistant flux-cored wire |
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| CN101412169A true CN101412169A (en) | 2009-04-22 |
| CN101412169B CN101412169B (en) | 2011-04-27 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104625487A (en) * | 2015-02-12 | 2015-05-20 | 西安理工大学 | Reinforced abrasion-resistant surface welding flux-cored wire made of in-situ generated titanium carbide and method for manufacturing reinforced abrasion-resistant surface welding flux-cored wire |
| CN107322182A (en) * | 2017-08-19 | 2017-11-07 | 安徽鼎恒再制造产业技术研究院有限公司 | Idle pulley, which is remanufactured, uses submerged-arc welding flux cored wire |
| CN112404801A (en) * | 2020-11-23 | 2021-02-26 | 济南市金材焊接材料有限公司 | Aluminum-titanium type acidic sintered flux and preparation method thereof |
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2008
- 2008-11-28 CN CN2008102324813A patent/CN101412169B/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104625487A (en) * | 2015-02-12 | 2015-05-20 | 西安理工大学 | Reinforced abrasion-resistant surface welding flux-cored wire made of in-situ generated titanium carbide and method for manufacturing reinforced abrasion-resistant surface welding flux-cored wire |
| CN107322182A (en) * | 2017-08-19 | 2017-11-07 | 安徽鼎恒再制造产业技术研究院有限公司 | Idle pulley, which is remanufactured, uses submerged-arc welding flux cored wire |
| CN112404801A (en) * | 2020-11-23 | 2021-02-26 | 济南市金材焊接材料有限公司 | Aluminum-titanium type acidic sintered flux and preparation method thereof |
| CN112404801B (en) * | 2020-11-23 | 2022-07-22 | 济南市金材焊接材料有限公司 | Aluminum-titanium type acid sintered flux and preparation method thereof |
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| CN101412169B (en) | 2011-04-27 |
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Granted publication date: 20110427 Termination date: 20111128 |