CN103866196A - Piston rod steel - Google Patents
Piston rod steel Download PDFInfo
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- CN103866196A CN103866196A CN201210529706.8A CN201210529706A CN103866196A CN 103866196 A CN103866196 A CN 103866196A CN 201210529706 A CN201210529706 A CN 201210529706A CN 103866196 A CN103866196 A CN 103866196A
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Abstract
The invention discloses a piston rod steel. The piston rod steel comprises 0.37-0.45wt% of C, 0.17-0.37wt% of Si, 0.50-0.80wt% of Mn, 0.035wt% or less of S, 0.035wt% or less of P, 0.25wt% or less of Cr, 0.25wt% or less of Ni, 0.25wt% or less of Cu, below 0.1% of other inevitable impurities, and the balance Fe. The piston rod steel has the advantages of good strength, strong cutability, good cold plasticity, improvement of the quality of a piston rod, prolongation of the service life of the piston rod, and reduction of the processing difficulty and the processing production cost of the piston rod.
Description
Technical field
The present invention relates to a kind of processing piston rod class and bear the steel of the device that load is larger, particularly a kind of piston rod steel.
Background technology
Piston rod, as its name suggests, is the interconnecting piece of supporting piston acting, and major applications, in oil cylinder, cylinder moving execution unit, is a moving parts that motion is frequent, technical requirements is high, load carrying is large.Take hydraulic ram as example, by: cylinder barrel, piston rod (cylinder rod), piston, several parts of end cap form.The quality of its processing quality directly affects the life and reliability of whole product.Piston rod processing request is high, and its surfaceness requires, for Ra0.4～0.8um, to require strict to right alignment, wear resistance.The essential characteristic of cylinder rod is slender axles processing, and its difficulty of processing is large, perplexs processing staff always.
Summary of the invention
For addressing the above problem, the invention discloses a kind of piston rod steel, intensity is high, has good machinability, wear-resisting wear-resistant and corrosion resistance, quality and the work-ing life of piston rod product are effectively extended, the result of use of improving product and adaptive capacity to environment.
Piston rod steel disclosed by the invention, the weight percent of its each component is, (wt%): carbon: 0.37-0.45; Silicon: 0.17-0.37; Manganese: 0.50-0.80; Sulphur: be less than or equal to 0.035; Phosphorus: be less than or equal to 0.035; Chromium: be less than or equal to 0.25; Nickel: be less than or equal to 0.25; Copper: be less than or equal to 0.25; Other inevitable impurity: be less than 0.1; Surplus is iron.
Piston rod disclosed by the invention improves by the one of steel, and described piston rod with the weight percent of the each component of steel is, (wt%): carbon: 0.37-0.42; Silicon: 0.20-0.30; Manganese: 0.55-0.75; Sulphur: be less than or equal to 0.030; Phosphorus: be less than or equal to 0.030; Chromium: be less than or equal to 0.20; Nickel: be less than or equal to 0.20; Copper: be less than or equal to 0.20; Other inevitable impurity: be less than 0.1; Surplus is iron.
Piston rod steel disclosed by the invention, there is higher intensity and good machinability, cold deformation is moulding good, surface abrasion resistance is good, effectively improve intensity and the wear resistant corrosion resistant of piston rod goods, improved quality and the work-ing life of product, thereby effectively improved the continuous operations time of equipment, the maintenance intervals of extension device, the maintenance cost of reduction equipment.
Embodiment
Below in conjunction with embodiment, further illustrate the present invention, should understand following embodiment and only be not used in and limit the scope of the invention for the present invention is described.
Piston rod steel disclosed by the invention, the weight percent of its each component is, (wt%): carbon: 0.37-0.45; Silicon: 0.17-0.37; Manganese: 0.50-0.80; Sulphur: be less than or equal to 0.035; Phosphorus: be less than or equal to 0.035; Chromium: be less than or equal to 0.25; Nickel: be less than or equal to 0.25; Copper: be less than or equal to 0.25; Other inevitable impurity: be less than 0.1; Surplus is iron.
Preferred as one, described piston rod with the weight percent of the each component of steel is, (wt%): carbon: 0.37-0.42; Silicon: 0.20-0.30; Manganese: 0.55-0.75; Sulphur: be less than or equal to 0.030; Phosphorus: be less than or equal to 0.030; Chromium: be less than or equal to 0.20; Nickel: be less than or equal to 0.20; Copper: be less than or equal to 0.20; Other inevitable impurity: be less than 0.1; Surplus is iron.
Specific embodiment one
Piston rod steel disclosed by the invention, the weight percent of its each component is, (wt%): carbon: 0.37; Silicon: 0.17; Manganese: 0.50; Sulphur: 0.035; Phosphorus: 0.035; Chromium: 0.25; Nickel: 0.25; Copper: 0.25; Other inevitable impurity: be less than 0.1; Surplus is iron.Steel die forging temperature is 1200 ± 50 ℃, final forging temperature 950-1050 ℃, and after finish-forging, non-oxidative medium hollow cold is after 800-900 ℃, and water-cooled is to room temperature, 10 groups, sampling 40*40mm post sample, the average behaviour of sample is as follows: yield strength 430MPa; Tensile strength 650MPa; Tensile elongation 23%.
Specific embodiment two
Piston rod steel disclosed by the invention, the weight percent of its each component is, (wt%): carbon: 0.39; Silicon: 0.20; Manganese: 0.55; Sulphur: 0.030; Phosphorus: 0.030; Chromium: 0.20; Nickel: 0.20; Copper: 0.20; Other inevitable impurity: be less than 0.1; Surplus is iron.Steel die forging temperature is 1200 ± 50 ℃, final forging temperature 950-1050 ℃, and after finish-forging, non-oxidative medium hollow cold is after 800-900 ℃, and water-cooled is to room temperature, 10 groups, sampling 40*40mm post sample, the average behaviour of sample is as follows: yield strength 420MPa; Tensile strength 630MPa; Tensile elongation 20%.
Specific embodiment three
Piston rod steel disclosed by the invention, the weight percent of its each component is, (wt%): carbon: 0.42; Silicon: 0.30; Manganese: 0.75; Sulphur: 0.025; Phosphorus: 0.025; Chromium: 0.20; Nickel: 0.20; Copper: 0.20; Other inevitable impurity: be less than 0.1; Surplus is iron.Steel die forging temperature is 1200 ± 50 ℃, final forging temperature 950-1050 ℃, and after finish-forging, non-oxidative medium hollow cold is after 800-900 ℃, and water-cooled is to room temperature, 10 groups, sampling 40*40mm post sample, the average behaviour of sample is as follows: yield strength 440MPa; Tensile strength 660MPa; Tensile elongation 26%.
Specific embodiment four
Piston rod steel disclosed by the invention, the weight percent of its each component is, (wt%): carbon: 0.45; Silicon: 0.37; Manganese: 0.80; Sulphur: 0.020; Phosphorus: 0.020; Chromium: 0.25; Nickel: 0.25; Copper: 0.25; Other inevitable impurity: be less than 0.1; Surplus is iron.Steel die forging temperature is 1200 ± 50 ℃, final forging temperature 950-1050 ℃, and after finish-forging, non-oxidative medium hollow cold is after 800-900 ℃, and water-cooled is to room temperature, 10 groups, sampling 40*40mm post sample, the average behaviour of sample is as follows: yield strength 470MPa; Tensile strength 650MPa; Tensile elongation 25%.
Piston rod steel disclosed by the invention, there is higher intensity and good machinability, cold deformation is moulding good, surface abrasion resistance is good, effectively improve intensity and the wear resistant corrosion resistant of piston rod goods, improved quality and the work-ing life of product, thereby effectively improved the continuous operations time of equipment, the maintenance intervals of extension device, the maintenance cost of reduction equipment.
The disclosed technique means of the present invention program is not limited only to the disclosed technique means of above-mentioned technique means, also comprises the technical scheme being made up of above technical characterictic arbitrary combination.The above is the specific embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Claims (2)
1. a piston rod steel, is characterized in that: the weight percent of the each component of described piston rod steel is, (wt%): carbon: 0.37-0.45; Silicon: 0.17-0.37; Manganese: 0.50-0.80; Sulphur: be less than or equal to 0.035; Phosphorus: be less than or equal to 0.035; Chromium: be less than or equal to 0.25; Nickel: be less than or equal to 0.25; Copper: be less than or equal to 0.25; Other inevitable impurity: be less than 0.1; Surplus is iron.
2. piston rod steel according to claim 1, is characterized in that: the weight percent of the each component of described piston rod steel is, (wt%): carbon: 0.37-0.42; Silicon: 0.20-0.30; Manganese: 0.55-0.75; Sulphur: be less than or equal to 0.030; Phosphorus: be less than or equal to 0.030; Chromium: be less than or equal to 0.20; Nickel: be less than or equal to 0.20; Copper: be less than or equal to 0.20; Other inevitable impurity: be less than 0.1; Surplus is iron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210529706.8A CN103866196A (en) | 2012-12-11 | 2012-12-11 | Piston rod steel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210529706.8A CN103866196A (en) | 2012-12-11 | 2012-12-11 | Piston rod steel |
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| Publication Number | Publication Date |
|---|---|
| CN103866196A true CN103866196A (en) | 2014-06-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201210529706.8A Pending CN103866196A (en) | 2012-12-11 | 2012-12-11 | Piston rod steel |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105200211A (en) * | 2015-08-31 | 2015-12-30 | 无锡华虹信息科技有限公司 | Partial rotation valve electric executor and application method thereof |
| CN106399844A (en) * | 2016-12-14 | 2017-02-15 | 苏州富艾姆工业设备有限公司 | Processing technology of anticorrosive piston rod |
| CN110777306A (en) * | 2019-11-28 | 2020-02-11 | 广东韶钢松山股份有限公司 | Structural steel wire rod and production method thereof |
-
2012
- 2012-12-11 CN CN201210529706.8A patent/CN103866196A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105200211A (en) * | 2015-08-31 | 2015-12-30 | 无锡华虹信息科技有限公司 | Partial rotation valve electric executor and application method thereof |
| CN106399844A (en) * | 2016-12-14 | 2017-02-15 | 苏州富艾姆工业设备有限公司 | Processing technology of anticorrosive piston rod |
| CN110777306A (en) * | 2019-11-28 | 2020-02-11 | 广东韶钢松山股份有限公司 | Structural steel wire rod and production method thereof |
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Application publication date: 20140618 |