CN101596657A - A kind of ultra-low-carbon heat-resistant steel flux-cored wire that carries out all-position welding - Google Patents
A kind of ultra-low-carbon heat-resistant steel flux-cored wire that carries out all-position welding Download PDFInfo
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- CN101596657A CN101596657A CNA2009100695866A CN200910069586A CN101596657A CN 101596657 A CN101596657 A CN 101596657A CN A2009100695866 A CNA2009100695866 A CN A2009100695866A CN 200910069586 A CN200910069586 A CN 200910069586A CN 101596657 A CN101596657 A CN 101596657A
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- cored wire
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- resistant steel
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Abstract
The present invention relates to a kind of ultra-low-carbon heat-resistant steel flux-cored wire that carries out all-position welding, be made of high-quality low-carbon cold rolling steel-tape sheath and medicine core, the medicine core is made up of each component of following mass fraction: TiO
228%～36%, CaCO
32%～6%, CaF
21%～4%, SiO
22%～8%, O
3Al
21%～6%, rare earth silicon 1%～5%, manganese metal 5%～8%, crome metal 14%～17%, molybdenum-iron 9%～13%, other alloys 15%～20%; The weld metal of flux-cored wire of the present invention has good high temperature oxidation resistance, heat resistance and crack resistance, and weld metal mechanical property coupling rationally particularly can carry out the welding of full position, and operating characteristics is good; Slag can form short slag in welding process, making splashes reduces, arc stability, and it is less to splash, and it is attractive in appearance to be shaped.
Description
Technical field
The present invention relates to technical field of welding materials, particularly a kind of ultra-low-carbon heat-resistant steel flux-cored wire that can carry out comprehensive welding.
Background technology
Heat resisting steel has two kinds of key propertys usually: the one, and long-term work at high temperature and the erosion of non-reason medium cause destroying, and this performance is the high temperature oxidation resistance of steel; The 2nd, at high temperature still have stable intensity, under long-term stand under load situation, can not produce large deformation or disrumpent feelings.So the heat-resistant steel welding material also should have the performance that is complementary with heat resisting steel except that the requirement of satisfying welding procedure.
Summary of the invention
The inventor has passed through a large amount of development test work, has prepared the heat-resistant steel flux-cored wire that a kind of welding procedure is good, electric arc is steady, cracking resistance is good, also can carry out all-position welding.
The object of the present invention is to provide a kind of ultra-low-carbon heat-resistant steel flux-cored wire that carries out all-position welding.
The present invention can carry out the ultra-low-carbon heat-resistant steel flux-cored wire of all-position welding, is made of high-quality low-carbon cold rolling steel-tape sheath and medicine core, and the medicine core is made up of each component of following mass fraction:
TiO
228%～36%, CaCO
32%～6%, CaF
21%～4%, SiO
22%～8%, Al
2O
31%～6%, rare earth silicon 1%～5%, manganese metal 5%～8%, crome metal 14%～17%, molybdenum-iron 9%～13%, other alloys 15%～20%.
Described other alloys are meant the mixture of ferrotianium and iron powder, and the mass fraction of titanium-iron powder is≤25% in the mixture.
In order to obtain better effect, the component of medicine core is preferred: TiO
234%～36%, CaCO
33%～4%, CaF
21%～2%, SiO
22%～4%, Al
2O
31%～2%, rare earth silicon 3%～4%, manganese metal 5%～7%, crome metal 14%～16%, molybdenum-iron 10%～11%, other alloys 15%～16%.
Or it is preferred: TiO
228%～30%, CaCO
34%～5%, CaF
23%～4%, SiO
22%～3%, Al
2O
31%～2%, rare earth silicon 3%～4%, manganese metal 6%～7%, crome metal 16%～17%, molybdenum-iron 12%～13%, other alloys 17%～19%.
The weld metal of welding wire of the present invention has high temperature oxidation resistance, heat resistance and crack resistance, has also guaranteed good welding technological properties when having realized the welding of full position.
Flux-cored wire of the present invention does not have specific (special) requirements in preparation, adopt the interior general manufacturing process of industry to realize.
Advantage of the present invention and characteristics are:
1, be used for heat resisting steel, and can carry out the welding of full position, operating characteristics is good.
2, weld metal mechanical property coupling rationally
3, weld metal has good high temperature oxidation resistance, heat resistance and crack resistance.
4, welding procedure is good, arc stability, and it is less to splash, and it is attractive in appearance to be shaped.
5, slag can form short slag in welding process, and making splashes reduces.
The specific embodiment
In order to understand the present invention better, be described further below by embodiment, but do not limit the present invention.
Embodiment 1-4 can carry out the preparation of the ultra-low-carbon heat-resistant steel flux-cored wire of all-position welding
The appearance strip material of welding wire adopts high-quality ultra-low carbon cold-rolling steel band, and its chemical composition is as shown in table 2.
Table 2, low-carbon cold rolling steel band chemical composition (mass fraction %)
| C | Mn | Si | S | P |
| ≤0.04 | 0.18-0.26 | ≤0.10 | ≤0.03 | ≤0.03 |
Get each component by the prescription of table 3, adopt the general manufacturing process of welding material production industry to be prepared into flux-cored wire.
Table 3
| Paint ingredient | Implement 1 | Implement 2 | Implement 3 | Implement 4 |
| TiO 2 | 28 | 36 | 34 | 30 |
| CaCO 3 | 4 | 3 | 5 | 4 |
| CaF 2 | 4 | 1 | 2 | 2 |
| SiO 2 | 2 | 4 | 5 | 7 |
| Al 2O 3 | 2 | 2 | 4 | 4 |
| Rare earth silicon | 4 | 4 | 3 | 3 |
| Manganese metal | 7 | 7 | 7 | 7 |
| Crome metal | 17 | 16 | 15 | 15 |
| Molybdenum-iron | 13 | 11 | 10 | 10 |
| Other alloys | 19 | 16 | 15 | 18 |
Experimental example 1
The deposited metal composition test of the flux-cored wire that embodiment of the invention 1-4 is prepared, result such as table 4.
Table 4: deposited metal composition (mass fraction %)
| C | Mn | Si | S | P | Cr | Mo | |
| Implement | 0.05 | 0.59 | 0.34 | 0.010 | 0.014 | 2.55 | 1.30 |
| 1 | |||||||
| Implement 2 | 0.04 | 0.63 | 0.40 | 0.010 | 0.012 | 2.38 | 1.10 |
| Implement 3 | 0.04 | 0.56 | 0.32 | 0.011 | 0.012 | 2.33 | 0.95 |
| Implement 4 | 0.03 | 0.55 | 0.35 | 0.010 | 0.018 | 2.3 | 0.93 |
Experimental example 2
The deposited metal Mechanics Performance Testing of the flux-cored wire that embodiment of the invention 1-4 is prepared, result such as table 5.
Table 5: deposited metal mechanical property
| Tensile strength R m MPa | Tensile strength R e1 MPa | Percentage elongation A % | |
| Implement 1 | 796 | 703 | 16.4 |
| Implement 2 | 732 | 637 | 21.4 |
| Implement 3 | 656 | 573 | 20.6 |
| Implement 4 | 675 | 586 | 21 |
Post weld heat treatment: 620 ℃ ± 15 ℃ * 2h.
Claims (3)
1, a kind of ultra-low-carbon heat-resistant steel flux-cored wire that carries out all-position welding is made of high-quality low-carbon cold rolling steel-tape sheath and medicine core, it is characterized in that the medicine core is made up of each component of following mass fraction: TiO
228%～36%, CaCO
32%～6%, CaF
21%～4%, SiO
22%～8%, Al
2O
31%～6%, rare earth silicon 1%～5%, manganese metal 5%～8%, crome metal 14%～17%, molybdenum-iron 9%～13%, other alloys 15%～20%;
Described other alloys are meant the mixture of ferrotianium and iron powder, and the mass fraction of titanium-iron powder is≤25% in the mixture.
2, the ultra-low-carbon heat-resistant steel flux-cored wire that carries out all-position welding according to claim 1 is characterized in that the medicine core is made up of each component of following mass fraction: TiO
234%～36%, CaCO
33%～4%, CaF
21%～2%, SiO
22%～4%, Al
2O
31%～2%, rare earth silicon 3%～4%, manganese metal 5%～7%, crome metal 14%～16%, molybdenum-iron 10%～11%, other alloys 15%～16%.
3, the ultra-low-carbon heat-resistant steel flux-cored wire that carries out all-position welding according to claim 1 is characterized in that the medicine core is made up of each component of following mass fraction: TiO
228%～30%, CaCO
34%～5%, CaF
23%～4%, SiO
22%～3%, Al
2O
31%～2%, rare earth silicon 3%～4%, manganese metal 6%～7%, crome metal 16%～17%, molybdenum-iron 12%～13%, other alloys 17%～19%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100695866A CN101596657B (en) | 2009-07-06 | 2009-07-06 | Ultra-low-carbon heat-resistant steel flux-cored wire capable of carrying out all-position welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100695866A CN101596657B (en) | 2009-07-06 | 2009-07-06 | Ultra-low-carbon heat-resistant steel flux-cored wire capable of carrying out all-position welding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101596657A true CN101596657A (en) | 2009-12-09 |
| CN101596657B CN101596657B (en) | 2011-05-04 |
Family
ID=41418343
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|---|---|---|---|
| CN2009100695866A Active CN101596657B (en) | 2009-07-06 | 2009-07-06 | Ultra-low-carbon heat-resistant steel flux-cored wire capable of carrying out all-position welding |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102642103A (en) * | 2012-04-13 | 2012-08-22 | 武汉铁锚焊接材料股份有限公司 | Metal powder core type flux-cored wire for welding chromium-molybdenum steel, preparation and application of metal powder core type flux-cored wire |
| CN103056549A (en) * | 2012-12-20 | 2013-04-24 | 中冶焊接科技有限公司 | Alkaline CO2 gas protection dilute alloy heat resistant steel flux-cored wire |
| CN104722960A (en) * | 2015-03-24 | 2015-06-24 | 江苏科技大学 | High-efficiency heat production flux-cored cutting wire for underwater wet-type arc cutting and preparation method thereof |
| CN107127471A (en) * | 2017-03-22 | 2017-09-05 | 武汉铁锚焊接材料股份有限公司 | A kind of low-alloy chrome molybdenum heat resisting steel flux-cored wire and its application |
| WO2023000473A1 (en) * | 2021-07-20 | 2023-01-26 | 哈尔滨工业大学（威海） | Full slag covering, spatter-free flux-cored welding wire |
-
2009
- 2009-07-06 CN CN2009100695866A patent/CN101596657B/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102642103A (en) * | 2012-04-13 | 2012-08-22 | 武汉铁锚焊接材料股份有限公司 | Metal powder core type flux-cored wire for welding chromium-molybdenum steel, preparation and application of metal powder core type flux-cored wire |
| CN102642103B (en) * | 2012-04-13 | 2014-10-01 | 武汉铁锚焊接材料股份有限公司 | Metal powder-cored flux-cored wire for welding chrome-molybdenum steel and its preparation and application |
| CN103056549A (en) * | 2012-12-20 | 2013-04-24 | 中冶焊接科技有限公司 | Alkaline CO2 gas protection dilute alloy heat resistant steel flux-cored wire |
| CN104722960A (en) * | 2015-03-24 | 2015-06-24 | 江苏科技大学 | High-efficiency heat production flux-cored cutting wire for underwater wet-type arc cutting and preparation method thereof |
| CN107127471A (en) * | 2017-03-22 | 2017-09-05 | 武汉铁锚焊接材料股份有限公司 | A kind of low-alloy chrome molybdenum heat resisting steel flux-cored wire and its application |
| CN107127471B (en) * | 2017-03-22 | 2019-08-16 | 武汉铁锚焊接材料股份有限公司 | A kind of low-alloy chrome molybdenum heat resisting steel flux-cored wire and its application |
| WO2023000473A1 (en) * | 2021-07-20 | 2023-01-26 | 哈尔滨工业大学（威海） | Full slag covering, spatter-free flux-cored welding wire |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101596657B (en) | 2011-05-04 |
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Assignee: Tianjin Daqiao Soldering Wire of Metal Co., Ltd. Assignor: Tianjin Bridge Welding Materials Group Co., Ltd. Contract record no.: 2011120000076 Denomination of invention: Ultra-low-carbon heat-resistant steel flux-cored wire capable of carrying out all-position welding Granted publication date: 20110504 License type: Exclusive License Open date: 20091209 Record date: 20110620 |
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Owner name: TIANJIN BRIDGE METAL WELDING MATERIALS GROUP CO., Free format text: FORMER OWNER: DAQIAO WELDING MATERIALS GROUP CO., LTD., TIANJIN Effective date: 20111108 |
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Effective date of registration: 20111108 Address after: 300385 Tianjin City Lu Temple Town Xiqing District North West Village Patentee after: Tianjin Daqiao Soldering Wire of Metal Co., Ltd. Address before: 300385 Tianjin Jingang Economic Development Zone Xiqing Road No. 2 Patentee before: Tianjin Bridge Welding Materials Group Co., Ltd. |