CN104775076A - Perforator guide plate and manufacturing method thereof - Google Patents
Perforator guide plate and manufacturing method thereof Download PDFInfo
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- CN104775076A CN104775076A CN201510131016.0A CN201510131016A CN104775076A CN 104775076 A CN104775076 A CN 104775076A CN 201510131016 A CN201510131016 A CN 201510131016A CN 104775076 A CN104775076 A CN 104775076A
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Abstract
The invention relates to a perforator guide plate, which comprises the following components by weight: 1.30-1.40% of C, 0.50-0.90% of Si, 1.00-1.10% of Mn, 1.50-3.50% of Ni, 22.00-25.00% of Cr, 0.50-0.70% of Mo, 1.1% of Nb, 0.04% of P, 0.04% of S, and the balance Fe. The perforator guide plate provided by the invention is convenient to process, the high temperature strength is increased, the wear resistance and anti-oxidation ability are improved, the service life is prolonged and the use cost is reduced.
Description
Technical field
The present invention relates to the tapping machine of rolling seamless steel pipe, relate in particular to guide plate of perforating machine and preparation method thereof.
Background technology
In the process of rolling seamless steel pipe, the pass of the guide plate of tapping machine, roll and top composition annular, solid blank perforated machine passes hollow hollow billet of camping.The effect of its centering guide is the transverse flow of restriction metal, impels metal axial to extend.Blank temperature in production process is at 1000 ° of more than C, and be that spiral advances in the pass that blank is formed at tapping machine, guide plate not only bears the effect of high temperature, and is subject to serious frictional force; Also there is the phenomenon of steel bonding, wearing and tearing aggravation when producing stainless steel, guide plate is consumable accessory the most outstanding in perforation.Traditional guide plate adopts the guide plate of the alloy castings such as high network is nickelic, high carbon and chromium, and high network nickelic guide plate cost is high; Guide plate high temperature abrasion resistance and the heat crack resistance of high carbon and chromium casting are poor, and 300 ~ 500 steel pipes of boring a hole during production will be scrapped because of wearing and tearing, and what have even can rupture, and have impact on normal production.
Summary of the invention
The object of the invention is to provide a kind of easy to process, can increase hot strength, improves wear resisting property and resistance of oxidation, increases the service life, and reduces the guide plate of perforating machine of use cost.
Technical scheme of the present invention is achieved in that a kind of guide plate of perforating machine, it is characterized in that: in guide plate of perforating machine, each elemental composition weight percent is: C is 1.30-1.40%, Si be 0.50-0.90%, Mn be 1.00-1.10%, Ni be 1.50-3.50%, Cr be 22.00-25.00%, Mo be 0.50-0.70%, Nb is 1.1%, P is 0.04%, S is 0.04%, and all the other are Fe.
In described guide plate of perforating machine, each elemental composition weight percent is: C is 1.35%, Si is 0.7%, Mn is 1.05%, Ni is 2.50%, Cr is 23.5%, Mo is 0.65%, Nb is 1.1%, P is 0.04%, S is 0.04%, and all the other are Fe.
The present invention is easy to process, adds hot strength, improves wear resisting property and resistance of oxidation, extends work-ing life, reduce use cost.
Embodiment:
A kind of guide plate of perforating machine, it is characterized in that: in guide plate of perforating machine, each elemental composition weight percent is: C is 1.30-1.40%, Si be 0.50-0.90%, Mn be 1.00-1.10%, Ni be 1.50-3.50%, Cr be 22.00-25.00%, Mo be 0.50-0.70%, Nb is 1.1%, P is 0.04%, S is 0.04%, and all the other are Fe.
In described guide plate of perforating machine, each elemental composition weight percent is: C is 1.35%, Si is 0.7%, Mn is 1.05%, Ni is 2.50%, Cr is 23.5%, Mo is 0.65%, Nb is 1.1%, P is 0.04%, S is 0.04%, and all the other are Fe.
During concrete enforcement, smelting scrap steel is become molten steel, then prepares required alloy by weight percentage, obtain satisfactory molten steel, then in intermediate frequency furnace melting molten steel, molten steel is poured into casting mold obtain guide plate; Again the guide plate of casting is put into the stove that temperature is 850 ° of C, be warming up to 1200 ~ 1300 ° of C, be incubated 25 minutes, be then cooled to 850 ° of C, naturally cool to room temperature after coming out of the stove, there is fine and close oxide film on surface.
In the present invention, the reason of elemental composition limited range is as follows:
C: the forming element being carbide, and in antifriction cast iron, the composition of carbide, form, distribution and quantity are the crux factors determining its performance.Within the scope of hypoeutectic, increase with carbon content, produce the corresponding increase of quantity of carbide, hardness improves, but fragility increases, and toughness declines.When carbon content is too low, in material, carbide reduces, unfavorable to the wear resistance of cast iron.By determining that carbon amounts controls at 1.30-1.40% after test;
Si: the castability that cast iron can be improved, and be conducive to molten steel deoxidization degasification, carbide agglomerate can also be made.But the too high fragility that can increase material of silicon content.Test proves, Ti or Si that Si and Ti adds than adding separately same amount simultaneously can obtain better wear resistance, and thus its content controls at 0.50-0.90%;
Mn: a main deoxidation outgassing, too high levels can produce abundant residues austenite, unfavorable to material wear ability, by determining should control at 1.00-1.10% after test;
Ni: be a kind of non-carbide forming element, it is solid-solution in intensity and the thermal fatigue resistance that matrix can improve matrix, is favourable to freedom from cracking and the peel-ability improving axle sleeve.But Ni is austenite stabilizer element, add-on is too much, and in quenching structure, residual austenite is many, reduces axle sleeve wear resistance, by after test determining Ni content to control at 1.50-3.50%;
Cr: be mainly present in carbide and matrix, its too high levels, the formation of the carbide of Precipitation when unnecessary Cr participates in tempering, thisly easily separates out when lesser temps containing Cr carbide, reduce the thermostability of steel, by determining that content controls at 22.00-25.00% after test;
Mo: molybdenum can improve hardening capacity and heat resistance in steel, it can be solid-solution in ferrite, austenite and carbide, it is the element reducing austenite phase field, molybdenum has solution strengthening effect to ferrite. also improve the stability of carbide simultaneously. thus improve the intensity of steel, when steel content is lower, form the cementite of compound with iron, carbon; The alloy carbide of steel can be formed, by after test determining Mo content to control at 0.50-0.70% when content is higher.
Nb:Nb belongs to body-centered cubic (BCC) VA race element, is one of four kinds of main refractory elements used in superalloy.No matter these alloy elements are add separately or compound interpolation, all contribute to the solution strengthening of alloy, carbide reinforced and containing the precipitation strength of Nb alloy, be used for increasing hot strength, and play the effect of saving Ni, Cr, by determining that Nb content controls 1.1% after test.
S, P: be conducive to the expansion delaying crackle.
Claims (2)
1. a guide plate of perforating machine, it is characterized in that: in guide plate of perforating machine, each elemental composition weight percent is: C is 1.30-1.40%, Si be 0.50-0.90%, Mn be 1.00-1.10%, Ni be 1.50-3.50%, Cr be 22.00-25.00%, Mo be 0.50-0.70%, Nb is 1.1%, P is 0.04%, S is 0.04%, and all the other are Fe.
2. a kind of guide plate of perforating machine according to claim 1, it is characterized in that: in described guide plate of perforating machine, each elemental composition weight percent is: C is 1.35%, Si is 0.7%, Mn is 1.05%, Ni is 2.50%, Cr is 23.5%, Mo is 0.65%, Nb is 1.1%, P is 0.04%, S is 0.04%, and all the other are Fe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510131016.0A CN104775076B (en) | 2015-03-25 | 2015-03-25 | Guide plate of perforating machine and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510131016.0A CN104775076B (en) | 2015-03-25 | 2015-03-25 | Guide plate of perforating machine and preparation method thereof |
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| Publication Number | Publication Date |
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| CN104775076A true CN104775076A (en) | 2015-07-15 |
| CN104775076B CN104775076B (en) | 2016-10-19 |
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| CN201510131016.0A Active CN104775076B (en) | 2015-03-25 | 2015-03-25 | Guide plate of perforating machine and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108456825A (en) * | 2018-04-08 | 2018-08-28 | 山东四方钢管设备制造有限公司 | A kind of hot rolled seamless steel tube punch composite guide plate and its manufacturing method |
| CN111922732A (en) * | 2020-06-29 | 2020-11-13 | 河北偶园钛模具有限公司 | Manufacturing method of composite guide plate for seamless tube puncher |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030052885A (en) * | 2001-12-21 | 2003-06-27 | 재단법인 포항산업과학연구원 | Grate ber with superior heat and wear resistance |
| JP2007051309A (en) * | 2005-08-15 | 2007-03-01 | Jfe Steel Kk | Casting with excellent seizure resistance and wear resistance |
| JP2007063576A (en) * | 2005-08-29 | 2007-03-15 | Hitachi Metals Ltd | Alloy for nonferrous molten metal |
| CN102828128A (en) * | 2011-06-15 | 2012-12-19 | 蔡宏 | Novel guide plate for seamless steel pipe perforator |
| CN102337473B (en) * | 2011-09-30 | 2013-04-10 | 内蒙古包钢钢联股份有限公司 | Rare earth modification and ageing processing method of high chromium-nickel alloy steel guide plate |
-
2015
- 2015-03-25 CN CN201510131016.0A patent/CN104775076B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030052885A (en) * | 2001-12-21 | 2003-06-27 | 재단법인 포항산업과학연구원 | Grate ber with superior heat and wear resistance |
| JP2007051309A (en) * | 2005-08-15 | 2007-03-01 | Jfe Steel Kk | Casting with excellent seizure resistance and wear resistance |
| JP2007063576A (en) * | 2005-08-29 | 2007-03-15 | Hitachi Metals Ltd | Alloy for nonferrous molten metal |
| CN102828128A (en) * | 2011-06-15 | 2012-12-19 | 蔡宏 | Novel guide plate for seamless steel pipe perforator |
| CN102337473B (en) * | 2011-09-30 | 2013-04-10 | 内蒙古包钢钢联股份有限公司 | Rare earth modification and ageing processing method of high chromium-nickel alloy steel guide plate |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108456825A (en) * | 2018-04-08 | 2018-08-28 | 山东四方钢管设备制造有限公司 | A kind of hot rolled seamless steel tube punch composite guide plate and its manufacturing method |
| CN108456825B (en) * | 2018-04-08 | 2019-12-27 | 山东四方钢管设备制造有限公司 | Composite guide plate for hot-rolled seamless steel tube punching machine and manufacturing method thereof |
| CN111922732A (en) * | 2020-06-29 | 2020-11-13 | 河北偶园钛模具有限公司 | Manufacturing method of composite guide plate for seamless tube puncher |
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| Publication number | Publication date |
|---|---|
| CN104775076B (en) | 2016-10-19 |
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Address after: 214500 Zhenjiang Henan Road, Xinqiao, Jingjiang City, Taizhou City, Jiangsu Province Patentee after: Jiangsu Youze Technology Co., Ltd. Address before: 214500 Zhenjiang Henan Road, Xinqiao, Jingjiang City, Taizhou City, Jiangsu Province Patentee before: Jiangsu Nanshan Metallurgical Machine Mfg. Co., Ltd. |
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