CN105296857A - Strip steel manufacturing method for diamond saw web - Google Patents
Strip steel manufacturing method for diamond saw web Download PDFInfo
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- CN105296857A CN105296857A CN201510776308.XA CN201510776308A CN105296857A CN 105296857 A CN105296857 A CN 105296857A CN 201510776308 A CN201510776308 A CN 201510776308A CN 105296857 A CN105296857 A CN 105296857A
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- chromium
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- manganese
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- sulphur
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Abstract
The invention belongs to the field of strip steel manufacturing and particularly relates to a strip steel manufacturing method for a diamond saw web. The method includes the steps that materials are prepared, carbon, silicon, manganese, chromium, phosphorus and sulfur are selected, the composite of alloy is calculated, and the requirements that strip steel comprises, by weight, 0.59% to 0.91% of carbon, 0.16% to 0.62% of silicon, 0.42% to 0.83% of manganese, 0.22% to 0.55% of chromium, 0.003% to 0.043% of phosphorus, 0.002% to 0.042% of sulfur and the balance iron are met. The chromium is added in the formula so that the strength of the strip steel can be improved and the cooling speed can be reduced.
Description
Technical field
The invention belongs to band steel preparation field, particularly a kind of band steel Preparation Method for Buddha's warrior attendant saw blade.
Background technology
Buddha's warrior attendant saw blade band steel needs high strength.The band steel raw material speed of cooling mostly adopted now is too fast, and perviousness is low, insufficient strength.For solving the problems of the technologies described above, being necessary to study a kind of production technique, improving band hardness of steel, reducing speed of cooling.
Summary of the invention
For solving the problem, the object of the present invention is to provide a kind of band steel Preparation Method for Buddha's warrior attendant saw blade.
For achieving the above object, technical scheme of the present invention is:
For a band steel Preparation Method for Buddha's warrior attendant saw blade, comprise the following steps:
(1) prepare burden, select carbon, silicon, manganese, chromium, phosphorus, sulphur, calculate alloy composition, make its component meet following weight percent, carbon 0.59 ~ 0.91%, silicon 0.16 ~ 0.62%, manganese 0.42 ~ 0.83%, chromium 0.22 ~ 0.55%, phosphorus 0.003 ~ 0.043%, sulphur 0.002 ~ 0.042%, surplus is iron.
(2) melting, add manganese, chromium, smelting temperature is between 1100 ~ 1800 DEG C;
(3) interpolation sulphur, phosphorus carry out melting;
(4) refining deslagging, adds charcoal and covers bath surface, make Reduction of Oxide, limpid to melt, adds silicon;
(5) be shaped, cooling;
(6) Heating temperature 450 DEG C, 2 hours time length;
(7) first time dephosphorization;
(8) Heating temperature 730 DEG C, 12 hours time length;
(9) roughing;
(10) second time dephosphorization;
(11) finish rolling;
(12) layer is cold, batches, bundling.
Preferably, described elementary composition weight percent is carbon 0.62 ~ 0.87%, silicon 0.18 ~ 0.58%, manganese 0.49 ~ 0.79%, chromium 0.28 ~ 0.51%, phosphorus 0.009 ~ 0.039%, sulphur 0.009 ~ 0.039%, and surplus is iron.
Preferably, described elementary composition weight percent is carbon 0.69 ~ 0.81%, silicon 0.29 ~ 0.51%, manganese 0.54 ~ 0.73%, chromium 0.31 ~ 0.42%, phosphorus 0.016 ~ 0.031%, sulphur 0.016 ~ 0.031%, and surplus is iron.
Preferably, described elementary composition weight percent is carbon 0.75%, silicon 0.41%, manganese 0.61%, chromium 0.38%, phosphorus 0.025%, sulphur 0.025%, and surplus is iron.
Preferably, described smelting temperature is 1200-1700 DEG C.
Preferably, described smelting temperature is 1300-1600 DEG C.
Preferably, described smelting temperature is 1500 DEG C.
Compared with prior art, beneficial effect of the present invention is as follows: in formula, add chromium, can improve band hardness of steel, reduces speed of cooling.
Accompanying drawing explanation
Fig. 1 is the flow chart of steps of the preparation method of the band steel for Buddha's warrior attendant saw blade of the embodiment of the present invention.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
On the contrary, the present invention is contained any by the substituting of making on marrow of the present invention and scope of defining of claim, amendment, equivalent method and scheme.Further, in order to make the public have a better understanding to the present invention, in hereafter details of the present invention being described, detailedly describe some specific detail sections.Do not have the description of these detail sections can understand the present invention completely for a person skilled in the art yet.
See Fig. 1, be depicted as the preparation method of a kind of band steel for Buddha's warrior attendant saw blade of the embodiment of the present invention, it is characterized in that, comprise the following steps:
(1) prepare burden, select carbon, silicon, manganese, chromium, phosphorus, sulphur, calculate alloy composition, make it elementary compositionly meet following weight percent, carbon 0.59 ~ 0.91%, silicon 0.16 ~ 0.62%, manganese 0.42 ~ 0.83%, chromium 0.22 ~ 0.55%, phosphorus 0.003 ~ 0.043%, sulphur 0.002 ~ 0.042%, surplus is iron.
(2) melting, add manganese, chromium, smelting temperature is between 1100 ~ 1800 DEG C;
(3) interpolation sulphur, phosphorus carry out melting;
(4) refining deslagging, adds charcoal and covers bath surface, make Reduction of Oxide, limpid to melt, adds silicon;
(5) be shaped, cooling;
(6) Heating temperature 450 DEG C, 2 hours time length;
(7) first time dephosphorization;
(8) Heating temperature 730 DEG C, 12 hours time length;
(9) roughing;
(10) second time dephosphorization;
(11) finish rolling;
(12) layer is cold, batches, bundling.
The implementation process of the embodiment of the present invention is described below by way of embody rule example.
Embodiment 1
(1) prepare burden
In strict accordance with charge calculation, take carbon 0.59KG, silicon 0.16KG, manganese 0.42KG, chromium 0.22KG, phosphorus 0.003%, sulphur 0.003KG, iron 98.604KG.Make to consist of in batching: carbon 0.59%, silicon 0.16%, manganese 0.42%, chromium 0.22%, phosphorus 0.003%, sulphur 0.003%, iron 98.604%.
(2) melting, add manganese, chromium, smelting temperature is between 1100 ~ 1800 DEG C;
(3) interpolation sulphur, phosphorus carry out melting;
(4) refining deslagging, adds charcoal and covers bath surface, make Reduction of Oxide, limpid to melt, adds silicon;
(5) be shaped, cooling;
(6) Heating temperature 450 DEG C, 2 hours time length;
(7) first time dephosphorization;
(8) Heating temperature 730 DEG C, 12 hours time length;
(9) roughing;
(10) second time dephosphorization;
(11) finish rolling;
(12) layer is cold, batches, bundling.
The sintering Buddha's warrior attendant saw blade material use properties detection table of the product prepared by above embodiment is as follows:
| Tensile strength (MPa) | 535 |
| Metallographic nodulizing grade | 2 grades |
| Speed of cooling (DEG C/S) | 0.93℃/S |
Embodiment 2
(1) prepare burden
In strict accordance with charge calculation, take carbon 0.91KG, silicon 0.62KG, manganese 0.83KG, chromium 0.55KG, phosphorus 0.043KG, sulphur 0.042KG, iron 97.005KG.Make to consist of in batching: carbon 0.91%, silicon 0.62%, manganese 0.83%, chromium 0.55%, phosphorus 0.043%, sulphur 0.042%, iron 97.005%.
(2) melting, add manganese, chromium, smelting temperature is between 1100 ~ 1800 DEG C;
(3) interpolation sulphur, phosphorus carry out melting;
(4) refining deslagging, adds charcoal and covers bath surface, make Reduction of Oxide, limpid to melt, adds silicon;
(5) be shaped, cooling;
(6) Heating temperature 450 DEG C, 2 hours time length;
(7) first time dephosphorization;
(8) Heating temperature 730 DEG C, 12 hours time length;
(9) roughing;
(10) second time dephosphorization;
(11) finish rolling;
(12) layer is cold, batches, bundling.
The sintering Buddha's warrior attendant saw blade material use properties detection table of the product prepared by above embodiment is as follows:
| Tensile strength (MPa) | 542 |
| Metallographic nodulizing grade | 2 grades |
| Speed of cooling (DEG C/S) | 0.82℃/S |
Embodiment 3
(1) prepare burden
In strict accordance with charge calculation, take carbon 0.62KG, silicon 0.18KG, manganese 0.49KG, chromium 0.28KG, phosphorus 0.009KG, sulphur 0.009KG, iron 98.412KG.Make to consist of in batching: carbon 0.62%, silicon 0.18%, manganese 0.49%, chromium 0.28%, phosphorus 0.009%, sulphur 0.009%, iron 98.412%.
(2) melting, add manganese, chromium, smelting temperature is between 1100 ~ 1800 DEG C;
(3) interpolation sulphur, phosphorus carry out melting;
(4) refining deslagging, adds charcoal and covers bath surface, make Reduction of Oxide, limpid to melt, adds silicon;
(5) be shaped, cooling;
(6) Heating temperature 450 DEG C, 2 hours time length;
(7) first time dephosphorization;
(8) Heating temperature 730 DEG C, 12 hours time length;
(9) roughing;
(10) second time dephosphorization;
(11) finish rolling;
(12) layer is cold, batches, bundling.
The sintering Buddha's warrior attendant saw blade material use properties detection table of the product prepared by above embodiment is as follows:
| Tensile strength (MPa) | 550 |
| Metallographic nodulizing grade | 3 grades |
| Speed of cooling (DEG C/S) | 0.78℃/S |
Embodiment 4
(1) prepare burden
In strict accordance with charge calculation, take carbon 0.87KG, silicon 0.58KG, manganese 0.79KG, chromium 0.51KG, phosphorus 0.039KG, sulphur 0.039KG, iron 97.172KG.Make to consist of in batching: carbon 0.87%, silicon 0.58%, manganese 0.79%, chromium 0.51%, phosphorus 0.039%, sulphur 0.039%, iron 97.172%.
(2) melting, add manganese, chromium, smelting temperature is between 1100 ~ 1800 DEG C;
(3) interpolation sulphur, phosphorus carry out melting;
(4) refining deslagging, adds charcoal and covers bath surface, make Reduction of Oxide, limpid to melt, adds silicon;
(5) be shaped, cooling;
(6) Heating temperature 450 DEG C, 2 hours time length;
(7) first time dephosphorization;
(8) Heating temperature 730 DEG C, 12 hours time length;
(9) roughing;
(10) second time dephosphorization;
(11) finish rolling;
(12) layer is cold, batches, bundling.
The sintering Buddha's warrior attendant saw blade material use properties detection table of the product prepared by above embodiment is as follows:
| Tensile strength (MPa) | 558 |
| Metallographic nodulizing grade | 3 grades |
| Speed of cooling (DEG C/S) | 0.75℃/S |
Embodiment 5
(1) prepare burden
In strict accordance with charge calculation, take carbon 0.69KG, silicon 0.29KG, manganese 0.54KG, chromium 0.31KG, phosphorus 0.016KG, sulphur 0.016KG, iron 98.138KG.Make to consist of in batching: carbon 0.69%, silicon 0.29%, manganese 0.54%, chromium 0.31%, phosphorus 0.016%, sulphur 0.016%, iron 98.138%.
(2) melting, add manganese, chromium, smelting temperature is between 1100 ~ 1800 DEG C;
(3) interpolation sulphur, phosphorus carry out melting;
(4) refining deslagging, adds charcoal and covers bath surface, make Reduction of Oxide, limpid to melt, adds silicon;
(5) be shaped, cooling;
(6) Heating temperature 450 DEG C, 2 hours time length;
(7) first time dephosphorization;
(8) Heating temperature 730 DEG C, 12 hours time length;
(9) roughing;
(10) second time dephosphorization;
(11) finish rolling;
(12) layer is cold, batches, bundling.
The sintering Buddha's warrior attendant saw blade material use properties detection table of the product prepared by above embodiment is as follows:
| Tensile strength (MPa) | 563 |
| Metallographic nodulizing grade | 3 grades |
| Speed of cooling (DEG C/S) | 0.72℃/S |
Embodiment 6
(1) prepare burden
In strict accordance with charge calculation, take carbon 0.81KG, silicon 0.51KG, manganese 0.73KG, chromium 0.42KG, phosphorus 0.031KG, sulphur 0.031KG, iron 97.468KG.Make to consist of in batching: carbon 0.81%, silicon 0.51%, manganese 0.73%, chromium 0.42%, phosphorus 0.031%, sulphur 0.031%, iron 97.468%.
(2) melting, add manganese, chromium, smelting temperature is between 1100 ~ 1800 DEG C;
(3) interpolation sulphur, phosphorus carry out melting;
(4) refining deslagging, adds charcoal and covers bath surface, make Reduction of Oxide, limpid to melt, adds silicon;
(5) be shaped, cooling;
(6) Heating temperature 450 DEG C, 2 hours time length;
(7) first time dephosphorization;
(8) Heating temperature 730 DEG C, 12 hours time length;
(9) roughing;
(10) second time dephosphorization;
(11) finish rolling;
(12) layer is cold, batches, bundling.
The sintering Buddha's warrior attendant saw blade material use properties detection table of the product prepared by above embodiment is as follows:
| Tensile strength (MPa) | 570 |
| Metallographic nodulizing grade | 3 grades |
| Speed of cooling (DEG C/S) | 0.7℃/S |
Embodiment 7
(1) prepare burden
In strict accordance with charge calculation, take carbon 0.75KG, silicon 0.41KG, manganese 0.61KG, chromium 0.38KG, phosphorus 0.025KG, sulphur 0.025KG, iron 97.8KG.Make to consist of in batching: carbon 0.75%, silicon 0.41%, manganese 0.61%, chromium 0.38%, phosphorus 0.025%, sulphur 0.025%, iron 97.8%.
(2) melting, add manganese, chromium, smelting temperature is between 1100 ~ 1800 DEG C;
(3) interpolation sulphur, phosphorus carry out melting;
(4) refining deslagging, adds charcoal and covers bath surface, make Reduction of Oxide, limpid to melt, adds silicon;
(5) be shaped, cooling;
(6) Heating temperature 450 DEG C, 2 hours time length;
(7) first time dephosphorization;
(8) Heating temperature 730 DEG C, 12 hours time length;
(9) roughing;
(10) second time dephosphorization;
(11) finish rolling;
(12) layer is cold, batches, bundling.
The sintering Buddha's warrior attendant saw blade material use properties detection table of the product prepared by above embodiment is as follows:
| Tensile strength (MPa) | 585 |
| Metallographic nodulizing grade | 3 grades |
| Speed of cooling (DEG C/S) | 0.6℃/S |
Comparative example
(1) prepare burden
In strict accordance with charge calculation, take carbon 0.30KG, silicon 1.03KG, manganese 0.35KG, phosphorus 0.02KG, sulphur 0.02KG, iron 98.28KG.Make to consist of in batching: carbon 0.30%, silicon 1.03%, manganese 0.35%, phosphorus 0.02%, sulphur 0.02%, iron 98.28%.
(2) reinforced melting
According to first manganese addition, nickel, rear chromatize, vanadium, copper, smelting temperature is at 1100 DEG C.
(3) interpolation sulphur, phosphorus carry out melting.
(4) refining deslagging, adds charcoal and covers bath surface, make Reduction of Oxide, limpid to melt, adds silicon.
(5) be shaped, cooling.
(6) Heating temperature 450 DEG C, 2 hours time length.
(7) roughing.
(8) dephosphorization.
(9) finish rolling.
(10) layer is cold, batches, bundling.
The sintering Buddha's warrior attendant saw blade material use properties detection table of the product prepared by above embodiment is as follows:
| Tensile strength (MPa) | 505 |
| Metallographic nodulizing grade | 2 grades |
| Speed of cooling (DEG C/S) | 1.2℃/S |
Can be found out by above comparative example, the production method that the present invention adopts can improve band hardness of steel, also effectively can reduce speed of cooling, and improve perviousness, the band steel making it produce is more suitable for Buddha's warrior attendant saw blade.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1., for a band steel Preparation Method for Buddha's warrior attendant saw blade, it is characterized in that, comprise the following steps:
(1) prepare burden, select carbon, silicon, manganese, chromium, phosphorus, sulphur, calculate alloy composition, make its component meet following weight percent, carbon 0.59 ~ 0.91%, silicon 0.16 ~ 0.62%, manganese 0.42 ~ 0.83%, chromium 0.22 ~ 0.55%, phosphorus 0.003 ~ 0.043%, sulphur 0.002 ~ 0.042%, surplus is iron.
(2) melting, add manganese, chromium, smelting temperature is between 1100 ~ 1800 DEG C;
(3) interpolation sulphur, phosphorus carry out melting;
(4) refining deslagging, adds charcoal and covers bath surface, make Reduction of Oxide, limpid to melt, adds silicon;
(5) be shaped, cooling;
(6) Heating temperature 450 DEG C, 2 hours time length;
(7) first time dephosphorization;
(8) Heating temperature 730 DEG C, 12 hours time length;
(9) roughing;
(10) second time dephosphorization;
(11) finish rolling;
(12) layer is cold, batches, bundling.
2. the band steel Preparation Method for Buddha's warrior attendant saw blade according to claim 1, it is characterized in that, described elementary composition weight percent is carbon 0.62 ~ 0.87%, silicon 0.18 ~ 0.58%, manganese 0.49 ~ 0.79%, chromium 0.28 ~ 0.51%, phosphorus 0.009 ~ 0.039%, sulphur 0.009 ~ 0.039%, surplus is iron.
3. the band steel Preparation Method for Buddha's warrior attendant saw blade according to claim 1, it is characterized in that, described elementary composition weight percent is carbon 0.69 ~ 0.81%, silicon 0.29 ~ 0.51%, manganese 0.54 ~ 0.73%, chromium 0.31 ~ 0.42%, phosphorus 0.016 ~ 0.031%, sulphur 0.016 ~ 0.031%, surplus is iron.
4. the band steel Preparation Method for Buddha's warrior attendant saw blade according to claim 1, it is characterized in that, described elementary composition weight percent is carbon 0.75%, silicon 0.41%, manganese 0.61%, chromium 0.38%, phosphorus 0.025%, sulphur 0.025%, and surplus is iron.
5. the band steel Preparation Method for Buddha's warrior attendant saw blade according to claim 1, it is characterized in that, described smelting temperature is 1200-1700 DEG C.
6. the band steel Preparation Method for Buddha's warrior attendant saw blade according to claim 1, it is characterized in that, described smelting temperature is 1300-1600 DEG C.
7. the band steel Preparation Method for Buddha's warrior attendant saw blade according to claim 1, it is characterized in that, described smelting temperature is 1500 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510776308.XA CN105296857A (en) | 2015-11-13 | 2015-11-13 | Strip steel manufacturing method for diamond saw web |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510776308.XA CN105296857A (en) | 2015-11-13 | 2015-11-13 | Strip steel manufacturing method for diamond saw web |
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| CN105296857A true CN105296857A (en) | 2016-02-03 |
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| CN201510776308.XA Pending CN105296857A (en) | 2015-11-13 | 2015-11-13 | Strip steel manufacturing method for diamond saw web |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112226665A (en) * | 2020-09-17 | 2021-01-15 | 南京钢铁股份有限公司 | Hot-rolled steel strip and preparation method thereof |
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| CN101857939A (en) * | 2010-06-13 | 2010-10-13 | 攀钢集团钢铁钒钛股份有限公司 | Low-alloy structural strip steel with high strength and high toughness and production method thereof |
| CN102356174A (en) * | 2009-02-26 | 2012-02-15 | C.D.威尔斯有限公司 | Micro-alloyed carbon steel as texture-rolled steel strip, in particular for spring elements |
| CN102703803A (en) * | 2012-04-27 | 2012-10-03 | 宝山钢铁股份有限公司 | Globular pearlite type hot rolled coil and production method thereof |
| CN103451535A (en) * | 2013-09-18 | 2013-12-18 | 济钢集团有限公司 | Hot continuous rolling plate strip steel for 510MPa automotive frame and production technology thereof |
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2015
- 2015-11-13 CN CN201510776308.XA patent/CN105296857A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101096034A (en) * | 2006-06-27 | 2008-01-02 | 鞍钢股份有限公司 | Production method of ultra-low-carbon steel for sedan car cortical plate |
| CN102356174A (en) * | 2009-02-26 | 2012-02-15 | C.D.威尔斯有限公司 | Micro-alloyed carbon steel as texture-rolled steel strip, in particular for spring elements |
| CN101857939A (en) * | 2010-06-13 | 2010-10-13 | 攀钢集团钢铁钒钛股份有限公司 | Low-alloy structural strip steel with high strength and high toughness and production method thereof |
| CN102703803A (en) * | 2012-04-27 | 2012-10-03 | 宝山钢铁股份有限公司 | Globular pearlite type hot rolled coil and production method thereof |
| CN103451535A (en) * | 2013-09-18 | 2013-12-18 | 济钢集团有限公司 | Hot continuous rolling plate strip steel for 510MPa automotive frame and production technology thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112226665A (en) * | 2020-09-17 | 2021-01-15 | 南京钢铁股份有限公司 | Hot-rolled steel strip and preparation method thereof |
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