CN112410609A - Tin brass welding wire and preparation method thereof - Google Patents
Tin brass welding wire and preparation method thereof Download PDFInfo
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- CN112410609A CN112410609A CN202011250490.2A CN202011250490A CN112410609A CN 112410609 A CN112410609 A CN 112410609A CN 202011250490 A CN202011250490 A CN 202011250490A CN 112410609 A CN112410609 A CN 112410609A
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- tin
- copper
- welding wire
- wire
- brass welding
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C9/00—Alloys based on copper
- C22C9/02—Alloys based on copper with tin as the next major 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
- B23K35/24—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
- B23K35/302—Cu 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
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
Abstract
The invention provides a tin brass welding wire which comprises copper, tin, silicon and zinc, wherein the tin brass welding wire comprises the following components in percentage by weight: 59-61% of copper, 0.8-1.0% of tin, 0.15-0.35% of silicon and the balance of zinc; the tin brass welding wire and the preparation method thereof overcome the defects of the prior art, have complete processing technology, good processing effect, high tensile strength and 20 to 30 percent higher tensile strength, and are convenient to meet the production requirement; the tin brass welding wire has high hardness, can bear larger pressure, can be widely applied to brazing, copper, steel, copper-nickel alloy, gray cast iron, an embedded hard alloy cutter and the like, and can also be used as a surfacing material for low-pressure valve sealing and light-load N-grinding surface.
Description
Technical Field
The invention relates to a welding wire, in particular to a tin brass welding wire and a preparation method thereof.
Background
The production of the tin brass welding wire has been in China for more than 50 years, and the production process is actually the processing production process of the tin brass wire.
The processing technology of the tin brass welding wire in the current market is not mature, the processing technology is not complete enough, the processing effect is poor, and the production requirement can not be met far away.
Therefore, it is necessary to provide a tin brass welding wire and a method for preparing the same to solve the above technical problems.
Disclosure of Invention
The purpose of the invention is as follows: aiming at the problems in the prior art, the invention provides the tin brass welding wire and the preparation method thereof, the processing technology is complete, the processing effect is good, and the production requirement can be conveniently met.
The technical scheme is as follows: the tin-brass welding wire comprises copper, tin, silicon and zinc, and the tin-brass welding wire comprises the following components in percentage by weight:
59 to 61 percent of copper,
0.8 to 1.0 percent of tin,
0.15 to 0.35 percent of silicon,
the balance being zinc.
The invention is further provided with: the melting point range reached by the tin brass welding wire is as follows: 890 ℃ and 905 ℃.
The invention is further provided with: the tensile strength of the tin brass welding wire is 400 MPa.
The invention is further provided with: the yield strength achieved by the tin brass welding wire is 350 MPa.
The invention is further provided with: the elongation achieved by the tin brass welding wire is 25%.
The invention is further provided with: the hardness range of the tin brass welding wire is 100-120 HB.
A preparation method of a tin brass welding wire comprises the following process steps:
step S1, melting: (1) using raw materials; main materials: electrolytic copper, zinc ingot, tin, auxiliary materials: slag removal agent and silicon;
(2) the charging sequence is as follows: copper, silicon, zinc, tin;
(3) when the added materials are melted and kept warm, sampling and testing are carried out, and component adjustment is carried out through laboratory sheet data;
(4) heating after the composition is completely adjusted;
(5) adding a proper amount of slag removing agent after the temperature is completely raised, then starting to remove ash and drag for slag, and staying at a furnace mouth for about 20 seconds when a copper ash spoon is required to remove ash from copper water in the ash removing process so as to ensure that the copper water in the ash completely flows into the furnace;
(6) measuring the temperature in the furnace after the ash removal is complete, and if the temperature is not enough, carrying out temperature raising again;
(7) the copper water in the furnace is completely melted after the working procedures are finished;
step S2, traction: melting the completely melted copper water, and shaping the copper water into a copper bar by a full-automatic traction machine;
step S3, extrusion: cutting the copper rod into a block-shaped copper rod with the length of 8-10 cm by a hydraulic press, and putting the copper rod into the hydraulic press for heat preservation, pressing, extruding and stretching to form a plastic wire;
step S4, drawing: drawing the wire by a wire drawing machine;
step S5, upper disk: tightly winding the wire rod drawn by the wire drawing machine into a disc by a layer winding machine to obtain a copper alloy disc wire I;
step S6, shredding: straightening, printing and cutting into straight copper alloy wires II by a straightening and cutting typewriter;
step S7, checking and packaging: and cleaning oil stains on the surface of the cut copper alloy wire by a polishing machine, and inspecting, packaging and warehousing the cleaned welding wire.
The invention has the beneficial effects that:
(1) the tin brass welding wire and the preparation method thereof overcome the defects of the prior art, have complete processing technology, good processing effect, high tensile strength and 20-30% higher tensile strength, and are convenient to meet the production requirement; the recovery effect is good, and when the external force action is smaller than the yield strength, the part can recover the original shape; the high-hardness and high-strength wear-resistant steel has high hardness, can bear larger pressure, can be widely applied to brazing, copper, steel, copper-nickel alloy, gray cast iron, embedded hard alloy cutters and the like, and can also be used as a surfacing material for low-pressure valve sealing and light-load N-grinding surfaces.
(2) According to the tin-brass welding wire and the preparation method thereof, Sn and Si in the tin-brass welding wire are reasonably proportioned, and the performance of the welding wire can be improved.
(3) According to the tin brass welding wire and the preparation method thereof, Sn improves the fluidity, the strength and the corrosion resistance of the welding wire;
(4) according to the tin brass welding wire and the preparation method thereof, Si controls evaporation of zinc and eliminates pores.
Drawings
FIG. 1 is a diagram of a production process of the present invention.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1, the tin-brass welding wire of the present invention comprises copper, tin, silicon, and zinc, and the tin-brass welding wire comprises the following components by weight:
59 to 61 percent of copper,
0.8 to 1.0 percent of tin,
0.15 to 0.35 percent of silicon,
the balance being zinc.
Further, the tin brass welding wire reaches the melting point range: 890 ℃ and 905 ℃.
Further, the tensile strength of the tin brass welding wire is 400 MPa.
Further, the yield strength of the tin-brass welding wire is 350 MPa.
Further, the elongation achieved by the tin-brass welding wire is 25%.
Further, the hardness range of the tin-brass welding wire is 100-120 HB.
A preparation method of a tin brass welding wire comprises the following process steps:
step S1, melting: (1) using raw materials; main materials: electrolytic copper, zinc ingot, tin, auxiliary materials: slag removal agent and silicon;
(2) the charging sequence is as follows: copper, silicon, zinc, tin;
(3) when the added materials are melted and kept warm, sampling and testing are carried out, and component adjustment is carried out through laboratory sheet data;
(4) heating after the composition is completely adjusted;
(5) adding a proper amount of slag removing agent after the temperature is completely raised, then starting to remove ash and drag for slag, and staying at a furnace mouth for about 20 seconds when a copper ash spoon is required to remove ash from copper water in the ash removing process so as to ensure that the copper water in the ash completely flows into the furnace;
(6) measuring the temperature in the furnace after the ash removal is complete, and if the temperature is not enough, carrying out temperature raising again;
(7) the copper water in the furnace is completely melted after the working procedures are finished;
step S2, traction: melting the completely melted copper water, and shaping the copper water into a copper bar by a full-automatic traction machine;
step S3, extrusion: cutting the copper rod into a block-shaped copper rod with the length of 8-10 cm by a hydraulic press, and putting the copper rod into the hydraulic press for heat preservation, pressing, extruding and stretching to form a plastic wire;
step S4, drawing: drawing the wire by a wire drawing machine;
step S5, upper disk: tightly winding the wire rod drawn by the wire drawing machine into a disc by a layer winding machine to obtain a copper alloy disc wire I;
step S6, shredding: straightening, printing and cutting into straight copper alloy wires II by a straightening and cutting typewriter;
step S7, checking and packaging: and cleaning oil stains on the surface of the cut copper alloy wire by a polishing machine, and inspecting, packaging and warehousing the cleaned welding wire.
Example 1
Preparing the raw materials according to the proportion, wherein the raw materials are prepared in the following sequence: copper, silicon, zinc and tin are added with materials to be melted, sampling and testing are carried out during heat preservation, component adjustment is carried out through laboratory sheet data, temperature raising is carried out after the component adjustment is complete, the method for judging the temperature raising under the condition of not picking up ash and fishing slag is to see the trend of a pointer of a current meter of a smelting furnace, when the pointer is violently and reversely hit, the temperature is already in the temperature raising state, a proper amount of slag cleaning agent (determined according to raw materials) is added after the temperature raising is complete, then ash picking up and fishing slag are started, a copper ash spoon is required to pick up ash away from copper water in the ash picking process, the copper ash spoon stays at a furnace mouth for about 20 seconds to ensure that the copper water in the ash completely flows into the furnace, the temperature in the furnace is measured after the ash picking up is complete, if the temperature is insufficient, temperature raising is carried out again, and: judging whether the surface of the molten copper generates green smoke, if so, the temperature is enough, and if not, the temperature is not enough; the copper water in the furnace is completely melted after the working procedures are finished; the method comprises the steps of melting completely molten copper, shaping the molten copper into a copper bar by a full-automatic tractor, cutting the copper bar into a 10cm block-shaped copper bar by a hydraulic press, putting the copper bar into the hydraulic press, performing heat preservation, pressing, extruding and stretching to form a plastic wire, drawing the wire by a wire drawing machine to enable the diameter of the wire to reach 2.4mm, tightly winding the wire drawn by the wire drawing machine by a layer winding machine to obtain a copper alloy wire coil, straightening, printing and cutting the wire into a straight copper alloy wire by a straightening and cutting typewriter according to the requirements of a client on printing and length, cleaning oil stains on the surface of the welding wire by a polishing machine, and inspecting, packaging and warehousing the cleaned welding wire.
Example 2
Preparing the raw materials according to the proportion, wherein the raw materials are prepared in the following sequence: copper, silicon, zinc and tin are added with materials to be melted, sampling and testing are carried out during heat preservation, component adjustment is carried out through laboratory sheet data, temperature raising is carried out after the component adjustment is complete, the method for judging the temperature raising under the condition of not picking up ash and fishing slag is to see the trend of a pointer of a current meter of a smelting furnace, when the pointer is violently and reversely hit, the temperature is already in the temperature raising state, a proper amount of slag cleaning agent (determined according to raw materials) is added after the temperature raising is complete, then ash picking up and fishing slag are started, a copper ash spoon is required to pick up ash away from copper water in the ash picking process, the copper ash spoon stays at a furnace mouth for about 20 seconds to ensure that the copper water in the ash completely flows into the furnace, the temperature in the furnace is measured after the ash picking up is complete, if the temperature is insufficient, temperature raising is carried out again, and: judging whether the surface of the molten copper generates green smoke, if so, the temperature is enough, and if not, the temperature is not enough; the copper water in the furnace is completely melted after the working procedures are finished; the method comprises the steps of melting completely molten copper, shaping the molten copper into a copper bar by a full-automatic tractor, cutting the copper bar into a 10cm block-shaped copper bar by a hydraulic press, putting the copper bar into the hydraulic press for heat preservation, pressing, extruding and stretching to form a plastic wire, drawing the wire by a wire drawing machine to enable the diameter of the wire to reach 3.8mm, tightly winding the wire drawn by the wire drawing machine on a coil by a layer winding machine to obtain a copper alloy wire coil, straightening, printing and cutting the wire into a straight copper alloy wire by a straightening and cutting typewriter according to the requirements of customers on printing and length, cleaning oil stains on the surface of the welding wire by a polishing machine, and inspecting, packaging and warehousing the cleaned welding wire.
Example 3
The raw materials are proportioned, and the feeding sequence is as follows: copper, silicon, zinc and tin are added with materials to be melted, sampling and testing are carried out during heat preservation, component adjustment is carried out through laboratory sheet data, temperature raising is carried out after the component adjustment is complete, the method for judging the temperature raising under the condition of not picking up ash and fishing slag is to see the trend of a pointer of a current meter of a smelting furnace, when the pointer is violently and reversely hit, the temperature is already in the temperature raising state, a proper amount of slag cleaning agent (determined according to raw materials) is added after the temperature raising is complete, then ash picking up and fishing slag are started, a copper ash spoon is required to pick up ash away from copper water in the ash picking process, the copper ash spoon stays at a furnace mouth for about 20 seconds to ensure that the copper water in the ash completely flows into the furnace, the temperature in the furnace is measured after the ash picking up is complete, if the temperature is insufficient, temperature raising is carried out again, and: judging whether the surface of the molten copper generates green smoke, if so, the temperature is enough, and if not, the temperature is not enough; the copper water in the furnace is completely melted after the working procedures are finished; the method comprises the steps of melting completely molten copper, shaping the molten copper into a copper bar by a full-automatic tractor, cutting the copper bar into a 10cm block-shaped copper bar by a hydraulic press, putting the copper bar into the hydraulic press, performing heat preservation, pressing, extruding and stretching to form a plastic wire, drawing the wire by a wire drawing machine to enable the diameter of the wire to reach 3mm, tightly winding the wire drawn by the wire drawing machine on a disc by a layer winding machine to obtain a copper alloy wire coil, straightening, printing and cutting the wire into a straight copper alloy wire coil by a straightening and cutting typewriter according to the requirements of customers on printing and length, cleaning greasy dirt on the surface of the welding wire by a polishing machine, and inspecting, packaging and warehousing the cleaned welding wire.
Example 4
Three welding wires A to B were prepared by the method provided in example 1, three welding wires C to D were prepared by the method provided in example 2, and three welding wires E to F were prepared by the method provided in example 3, with the specific composition ratios shown in Table 1.
TABLE 1 welding wire proportioning particulars
| The components are% | A | B | C | D | E | F |
| Copper (Cu) | 59 | 60 | 59 | 61 | 60 | 61 |
| Tin (Sn) | 0.8 | 0.9 | 0.8 | 1.0 | 0.9 | 1.0 |
| Silicon | 0.15 | 0.25 | 0.35 | 0.28 | 0.32 | 0.18 |
| Zinc | 40.05 | 38.85 | 39.85 | 37.72 | 38.78 | 37.82 |
Example 5
The present example compares the properties of different wires and the results are shown in table 2.
TABLE 2 test results for various properties of welding wire
| Sample (I) | Melting point range | Tensile strength | Yield strength | Elongation percentage | Hardness range |
| A | 905℃ | 400MPa | 350MPa | 25% | 100 HB |
| B | 903℃ | 390MPa | 344MPa | 25% | 105 HB |
| C | 890℃ | 394MPa | 347MPa | 25% | 120 HB |
| D | 895℃ | 403MPa | 352MPa | 25% | 112 HB |
| E | 900℃ | 402MPa | 341MPa | 25% | 114 HB |
| F | 893℃ | 398MPa | 339MPa | 25% | 108 HB |
Based on the above, the product has the advantages that:
1. the tensile strength is high, which is generally improved by 20-30% compared with the welding wire processed by the common method, the recovery effect is good, when the external force is smaller than the yield strength, the part can also recover the original appearance, the hardness is high, and can bear larger pressure, thus being widely applied to brazing, copper, steel, copper-nickel alloy, grey cast iron, embedded hard alloy cutters and the like, and also being used as a surfacing material for sealing low-pressure valves and surfacing of light-load N-ground surfaces.
2. The Sn and Si in the tin brass welding wire are reasonably proportioned, and the performance of the welding wire can be improved.
3. Sn improves the fluidity, strength and corrosion resistance of the welding wire;
4. si controls the evaporation of zinc and eliminates pores.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the embodiments, and various equivalent changes can be made to the technical solution of the present invention within the technical idea of the present invention, and these equivalent changes are within the protection scope of the present invention.
Claims (7)
1. The tin-brass welding wire is characterized by comprising copper, tin, silicon and zinc, wherein the tin-brass welding wire comprises the following components in percentage by weight:
59 to 61 percent of copper,
0.8 to 1.0 percent of tin,
0.15 to 0.35 percent of silicon,
the balance being zinc.
2. The tin-brass welding wire of claim 1, wherein: the melting point range reached by the tin brass welding wire is as follows: 890 ℃ and 905 ℃.
3. The tin-brass welding wire of claim 1, wherein: the tensile strength of the tin brass welding wire is 400 MPa.
4. The tin-brass welding wire of claim 1, wherein: the yield strength achieved by the tin brass welding wire is 350 MPa.
5. The tin-brass welding wire of claim 1, wherein: the elongation achieved by the tin brass welding wire is 25%.
6. The tin-brass welding wire of claim 1, wherein: the hardness range of the tin brass welding wire is 100-120 HB.
7. A preparation method of a tin brass welding wire comprises the following process steps:
step S1, melting: (1) using raw materials; main materials: electrolytic copper, zinc ingot, tin, auxiliary materials: slag removal agent and silicon;
(2) the charging sequence is as follows: copper, silicon, zinc, tin;
(3) when the added materials are melted and kept warm, sampling and testing are carried out, and component adjustment is carried out through laboratory sheet data;
(4) heating after the composition is completely adjusted;
(5) adding a proper amount of slag removing agent after the temperature is completely raised, then starting to remove ash and drag for slag, and staying at a furnace mouth for about 20 seconds when a copper ash spoon is required to remove ash from copper water in the ash removing process so as to ensure that the copper water in the ash completely flows into the furnace;
(6) measuring the temperature in the furnace after the ash removal is complete, and if the temperature is not enough, carrying out temperature raising again;
(7) the copper water in the furnace is completely melted after the working procedures are finished;
step S2, traction: melting the completely melted copper water, and shaping the copper water into a copper bar by a full-automatic traction machine;
step S3, extrusion: cutting the copper rod into a block-shaped copper rod with the length of 8-10 cm by a hydraulic press, and putting the copper rod into the hydraulic press for heat preservation, pressing, extruding and stretching to form a plastic wire;
step S4, drawing: drawing the wire by a wire drawing machine;
step S5, upper disk: tightly winding the wire rod drawn by the wire drawing machine into a disc by a layer winding machine to obtain a copper alloy disc wire I;
step S6, shredding: straightening, printing and cutting into straight copper alloy wires II by a straightening and cutting typewriter;
step S7, checking and packaging: and cleaning oil stains on the surface of the cut copper alloy wire by a polishing machine, and inspecting, packaging and warehousing the cleaned welding wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011250490.2A CN112410609A (en) | 2020-11-11 | 2020-11-11 | Tin brass welding wire and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011250490.2A CN112410609A (en) | 2020-11-11 | 2020-11-11 | Tin brass welding wire and preparation method thereof |
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| Publication Number | Publication Date |
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| CN112410609A true CN112410609A (en) | 2021-02-26 |
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| CN202011250490.2A Pending CN112410609A (en) | 2020-11-11 | 2020-11-11 | Tin brass welding wire and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114367764A (en) * | 2022-03-07 | 2022-04-19 | 金华市步扬焊材有限公司 | Bronze welding wire and production process and extrusion equipment thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59179744A (en) * | 1983-03-30 | 1984-10-12 | Nippon Mining Co Ltd | Copper alloy for welded tube |
| CN1590569A (en) * | 2003-08-25 | 2005-03-09 | 同和矿业株式会社 | Copper alloy with high corrosion-and dezincification-resisting performance and mfg. method thereof |
| CN103643078A (en) * | 2013-12-13 | 2014-03-19 | 安徽鑫科新材料股份有限公司 | Brass wire and processing method of brass wire |
| CN104353939A (en) * | 2014-11-17 | 2015-02-18 | 安徽瑞研新材料技术研究院有限公司 | Novel lead-free copper alloy new material and processing technology thereof |
-
2020
- 2020-11-11 CN CN202011250490.2A patent/CN112410609A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59179744A (en) * | 1983-03-30 | 1984-10-12 | Nippon Mining Co Ltd | Copper alloy for welded tube |
| CN1590569A (en) * | 2003-08-25 | 2005-03-09 | 同和矿业株式会社 | Copper alloy with high corrosion-and dezincification-resisting performance and mfg. method thereof |
| CN103643078A (en) * | 2013-12-13 | 2014-03-19 | 安徽鑫科新材料股份有限公司 | Brass wire and processing method of brass wire |
| CN104353939A (en) * | 2014-11-17 | 2015-02-18 | 安徽瑞研新材料技术研究院有限公司 | Novel lead-free copper alloy new material and processing technology thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114367764A (en) * | 2022-03-07 | 2022-04-19 | 金华市步扬焊材有限公司 | Bronze welding wire and production process and extrusion equipment thereof |
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