CN102851573A - Nodular cast iron for axle housing - Google Patents
Nodular cast iron for axle housing Download PDFInfo
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- CN102851573A CN102851573A CN2012103153283A CN201210315328A CN102851573A CN 102851573 A CN102851573 A CN 102851573A CN 2012103153283 A CN2012103153283 A CN 2012103153283A CN 201210315328 A CN201210315328 A CN 201210315328A CN 102851573 A CN102851573 A CN 102851573A
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Abstract
The invention provides a nodular cast iron for an axle housing. The nodular cast iron comprises 3.593 to 3.74 wt% of C, 2.315 to 2.377 wt% of Si, 0.662 to 0.722 wt% of the Mn, 0.035 to 0.038 wt% of P, 0.016 to 0.025 wt% of S, 0.016 wt% to 0.027 wt% of Cr, 0.016 wt% or less than 0.016 wt% of Ni, 0.001 wt% or less than 0.001 wt% of Mo, 0.048 wt% or less than 0.048 wt% of Cu, 0.012 to 0.021 wt% of Al ,0.012 to 0.016 wt% of V, 0.002 to 0.004 wt% of Nb, 0.035 to 0.041 wt% of Ti, 0.001 wt% or less than 0.001 wt% of W, 0.001 wt% or less than 0.001 wt% of B, 0.051 to 0.055 wt% of Mg, 0.029 to 0.032 wt% of Ce and 92.867 to 93.171 wt% of Fe. Because it is designed that trace elements in an appropriate proportion are added into the cast iron, internal organization of the cast iron is improved; therefore, the strength and toughness of castings are improved, the weight of the castings is reduced, and the nodular cast iron is applicable to casting of axle housings.
Description
Technical field
The present invention relates to a kind of spheroidal graphite cast iron, especially a kind of spheroidal graphite cast iron for axle shell.
Background technology
In casting industry, because spheroidal graphite cast iron has higher plasticity and a toughness properties, the general cast material that is used for the part that stressed complexity, intensity, toughness, wear resistance have relatively high expectations, therefore spheroidal graphite cast iron is a kind of important cast material, the general cast frame that is used in existing spheroidal graphite cast iron, the weight of cast member is generally larger, and for the cast member that is used for automotive axle require lightweight, toughness and tenacity is high, also is provided with a kind of spheroidal graphite cast iron that is suitable for the automotive axle foundry goods now.
Summary of the invention
In order to overcome above-mentioned technical disadvantages, the purpose of this invention is to provide a kind of spheroidal graphite cast iron for axle shell, therefore improved intensity and the toughness of foundry goods, reduced the weight of foundry goods, be suitable for the casting of axle housing.
For achieving the above object, the technical scheme that the present invention takes is: be used for the spheroidal graphite cast iron of axle shell, include the C of 3.593-3.74wt%, the si of 2.315-2.377wt%, the Mn of 0.662-0.722wt%, the P of 0.035-0.038wt%, the S of 0.016-0.025wt%, the Cr of 0.016-0.027wt%, 0.016wt% or Ni still less, 0.001wt% or Mo still less, 0.048wt% or Cu still less, the Al of 0.012-0.021wt%, the V of 0.012-0.016wt%, the Nb of 0.002-0.004wt%, the Ti of 0.035-0.041wt%, 0.001wt% or W still less, 0.001wt% or B still less, the Mg of 0.051-0.055wt%, the Ce of 0.029-0.032wt% and the Fe of 92.867-93.171wt%.
Owing to designed the trace element that in cast iron, has added an amount of ratio, improved the cast iron interior tissue, therefore improved intensity and the toughness of foundry goods, reduced the weight of foundry goods, be suitable for the casting of axle housing.
The present invention has designed, and includes the Ce of Mg, 0.032wt% of B, 0.054wt% of W, 0.0001wt% of Ti, 0.0001wt% of Nb, 0.037wt% of V, 0.002wt% of Al, 0.0125wt% of Cu, 0.0205wt% of Mo, 0.0001wt% of Ni, 0.0001wt% of Cr, 0.0115wt% of S, 0.020wt% of P, 0.020wt% of Mn, 0.038wt% of si, 0.6635wt% of C, 2.367wt% of 3.615wt% and the Fe of 93.107wt%.
The present invention has designed, and includes the Ce of Mg, 0.032wt% of B, 0.0535wt% of W, 0.0001wt% of Ti, 0.0001wt% of Nb, 0.040wt% of V, 0.003wt% of Al, 0.0125wt% of Cu, 0.0130wt% of Mo, 0.0470wt% of Ni, 0.0001wt% of Cr, 0.0001wt% of S, 0.021wt% of P, 0.017wt% of Mn, 0.037wt% of si, 0.636wt% of C, 2.325wt% of 3.622wt% and the Fe of 93.155wt%.
The present invention has designed, and includes the Ce of Mg, 0.0285wt% of B, 0.054wt% of W, 0.0001wt% of Ti, 0.0001wt% of Nb, 0.041wt% of V, 0.004wt% of Al, 0.0145wt% of Cu, 0.012wt% of Mo, 0.044wt% of Ni, 0.0001wt% of Cr, 0.0135wt% of S, 0.0185wt% of P, 0.0195wt% of Mn, 0.035wt% of si, 0.719wt% of C, 2.3505wt% of 3.625wt% and the Fe of 93.021wt%.
The present invention has designed, and includes the Ce of Mg, 0.0285wt% of B, 0.054wt% of W, 0.0001wt% of Ti, 0.0001wt% of Nb, 0.041wt% of V, 0.004wt% of Al, 0.0145wt% of Cu, 0.012wt% of Mo, 0.0440wt% of Ni, 0.0001wt% of Cr, 0.0135wt% of S, 0.0185wt% of P, 0.0195wt% of Mn, 0.035wt% of si, 0.719wt% of C, 2.3505wt% of 3.625wt% and the Fe of 93.021wt%.
The present invention has designed, and includes the Ce of Mg, 0.032wt% of B, 0.0535wt% of W, 0.0001wt% of Ti, 0.0001wt% of Nb, 0.04wt% of V, 0.003wt% of Al, 0.0125wt% of Cu, 0.013wt% of Mo, 0.047wt% of Ni, 0.0001wt% of Cr, 0.0001wt% of S, 0.0195wt% of P, 0.0165wt% of Mn, 0.0365wt% of si, 0.6345wt% of C, 2.3295wt% of 3.6075wt% and the Fe of 93.155wt%.
The present invention has designed, and includes the Ce of Mg, 0.0295wt% of B, 0.052wt% of W, 0.0001wt% of Ti, 0.0001wt% of Nb, 0.0355wt% of V, 0.003wt% of Al, 0.0160wt% of Cu, 0.0185wt% of Mo, 0.0001wt% of Ni, 0.0001wt% of Cr, 0.012wt% of S, 0.0265wt% of P, 0.0245wt% of Mn, 0.0365wt% of si, 0.669wt% of C, 2.3190wt% of 3.7155wt% and the Fe of 92.903wt%.
Four, description of drawings
The nodularization classification figure of Fig. 1 first embodiment of the present invention:
The ferrite and pearlite quantity classification figure of Fig. 2 first embodiment of the present invention:
The tensile test diagram of Fig. 3 first embodiment of the present invention:
The nodularization classification figure of Fig. 4 the 5th embodiment of the present invention:
The ferrite and pearlite quantity classification figure of Fig. 5 the 5th embodiment of the present invention:
The tensile test diagram of Fig. 6 the 5th embodiment of the present invention:
The nodularization classification figure of Fig. 7 the 6th embodiment of the present invention:
The ferrite and pearlite quantity classification figure of Fig. 8 the 6th embodiment of the present invention:
The tensile test diagram of Fig. 9 the 6th embodiment of the present invention.
Embodiment
The spheroidal graphite cast iron that is used for axle shell, among first embodiment, include the Ce of Mg, 0.029wt% of B, 0.051wt% of W, 0.0008wt% of Ti, 0.0008wt% of Nb, 0.035wt% of V, 0.002wt% of Al, 0.012wt% of Cu, 0.012wt% of Mo, 0.040wt% of Ni, 0.0008wt% of Cr, 0.011wt% of S, 0.016wt% of P, 0.016wt% of Mn, 0.035wt% of si, 0.662wt% of C, 2.315wt% of 3.593wt% and the Fe of 92.867wt%.
The physical and chemical index analysis is carried out in first embodiment sampling, the nodularization classification figure of Fig. 1 first embodiment of the present invention, the ferrite and pearlite quantity classification figure of Fig. 2 first embodiment of the present invention, the tensile test diagram of Fig. 3 first embodiment of the present invention, can prove that by physical and chemical index this sample has very high intensity and toughness, improve 15-20% than the index of conventional cast iron.
Among second embodiment, include the Ce of Mg, 0.032wt% of B, 0.055wt% of W, 0.001wt% of Ti, 0.001wt% of Nb, 0.041wt% of V, 0.004wt% of Al, 0.016wt% of Cu, 0.021wt% of Mo, 0.048wt% of Ni, 0.001wt% of Cr, 0.016wt% of S, 0.027wt% of P, 0.025wt% of Mn, 0.038wt% of si, 0.722wt% of C, 2.377wt% of 3.74wt% and the Fe of 93.171wt%.
Among the 3rd embodiment, include the Ce of Mg, 0.030wt% of B, 0.053wt% of W, 0.0002wt% of Ti, 0.0004wt% of Nb, 0.038wt% of V, 0.003wt% of Al, 0.014wt% of Cu, 0.016wt% of Mo, 0.028wt% of Cr, 0.014wt% Ni, 0.0005wt% of S, 0.020wt% of P, 0.021wt% of Mn, 0.0365wt% of si, 0.698wt% of C, 2.346wt% of 3.62wt% and the Fe of 92.910wt%.
Among the 4th embodiment, include the Ce and 93.1 of Mg, 0.03wt% of B, 0.0545wt% of W, 0.001wt% of Ti, 0.001wt% of Nb, 0.035wt% of V, 0.0038wt% of Al, 0.011wt% of Cu, 0.018wt% of Ni, 0.001wt% Mo, 0.045wt% of Cr, 0.012wt% of S, 0.021wt% of P, 0.021wt% of Mn, 0.034wt% of si, 0.72wt% of C, the 2.37wt% of 3.70wt%
The Fe of wt%.
Among the 5th embodiment, include the Ce of Mg, 0.032wt% of B, 0.054wt% of W, 0.0001wt% of Ti, 0.0001wt% of Nb, 0.037wt% of V, 0.002wt% of Al, 0.0125wt% of Cu, 0.0205wt% of Mo, 0.0001wt% of Ni, 0.0001wt% of Cr, 0.0115wt% of S, 0.020wt% of P, 0.020wt% of Mn, 0.038wt% of si, 0.6635wt% of C, 2.367wt% of 3.615wt% and the Fe of 93.107wt%.
The 5th embodiment sampling carried out the physical and chemical index analysis, the nodularization classification figure of Fig. 4 the 5th embodiment of the present invention, the ferrite and pearlite quantity classification figure of Fig. 5 the 5th embodiment of the present invention, the tensile test diagram of Fig. 6 the 5th embodiment of the present invention.
Among the 6th embodiment, include the Ce of Mg, 0.032wt% of B, 0.0535wt% of W, 0.0001wt% of Ti, 0.0001wt% of Nb, 0.040wt% of V, 0.003wt% of Al, 0.0125wt% of Cu, 0.0130wt% of Mo, 0.0470wt% of Ni, 0.0001wt% of Cr, 0.0001wt% of S, 0.021wt% of P, 0.017wt% of Mn, 0.037wt% of si, 0.636wt% of C, 2.325wt% of 3.622wt% and the Fe of 93.155wt%.
The 6th embodiment sampling carried out the physical and chemical index analysis, the nodularization classification figure of Fig. 7 the 6th embodiment of the present invention, the ferrite and pearlite quantity classification figure of Fig. 8 the 6th embodiment of the present invention, the tensile test diagram of Fig. 9 the 6th embodiment of the present invention.
Among the 7th embodiment, include the Ce of Mg, 0.0285wt% of B, 0.054wt% of W, 0.0001wt% of Ti, 0.0001wt% of Nb, 0.041wt% of V, 0.004wt% of Al, 0.0145wt% of Cu, 0.012wt% of Mo, 0.044wt% of Ni, 0.0001wt% of Cr, 0.0135wt% of S, 0.0185wt% of P, 0.0195wt% of Mn, 0.035wt% of si, 0.719wt% of C, 2.3505wt% of 3.625wt% and the Fe of 93.021wt%.
Among the 8th embodiment, include the Ce of Mg, 0.0285wt% of B, 0.054wt% of W, 0.0001wt% of Ti, 0.0001wt% of Nb, 0.041wt% of V, 0.004wt% of Al, 0.0145wt% of Cu, 0.012wt% of Mo, 0.0440wt% of Ni, 0.0001wt% of Cr, 0.0135wt% of S, 0.0185wt% of P, 0.0195wt% of Mn, 0.035wt% of si, 0.719wt% of C, 2.3505wt% of 3.625wt% and the Fe of 93.021wt%.
Among the 9th embodiment, include the Ce of Mg, 0.032wt% of B, 0.0535wt% of W, 0.0001wt% of Ti, 0.0001wt% of Nb, 0.04wt% of V, 0.003wt% of Al, 0.0125wt% of Cu, 0.013wt% of Mo, 0.047wt% of Ni, 0.0001wt% of Cr, 0.0001wt% of S, 0.0195wt% of P, 0.0165wt% of Mn, 0.0365wt% of si, 0.6345wt% of C, 2.3295wt% of 3.6075wt% and the Fe of 93.155wt%.
Among the tenth embodiment, include the Ce of Mg, 0.0295wt% of B, 0.052wt% of W, 0.0001wt% of Ti, 0.0001wt% of Nb, 0.0355wt% of V, 0.003wt% of Al, 0.0160wt% of Cu, 0.0185wt% of Mo, 0.0001wt% of Ni, 0.0001wt% of Cr, 0.012wt% of S, 0.0265wt% of P, 0.0245wt% of Mn, 0.0365wt% of si, 0.669wt% of C, 2.3190wt% of 3.7155wt% and the Fe of 92.903wt%.
Above-described embodiment is a kind of way of realization of the spheroidal graphite cast iron for axle shell provided by the present invention; other distortion according to scheme provided by the present invention; increase or reduce composition wherein; the technical field that approaches with the present invention that perhaps the present invention is used for other all belongs to protection scope of the present invention.
Claims (7)
1. a spheroidal graphite cast iron that is used for axle shell is characterized in that: the C that includes 3.593-3.74wt%, the si of 2.315-2.377wt%, the Mn of 0.662-0.722wt%, the P of 0.035-0.038wt%, the S of 0.016-0.025wt%, the Cr of 0.016-0.027wt%, 0.016wt% or Ni still less, 0.001wt% or Mo still less, 0.048wt% or Cu still less, the Al of 0.012-0.021wt%, the V of 0.012-0.016wt%, the Nb of 0.002-0.004wt%, the Ti of 0.035-0.041wt%, 0.001wt% or W still less, 0.001wt% or B still less, the Mg of 0.051-0.055wt%, the Ce of 0.029-0.032wt% and the Fe of 92.867-93.171wt%.
2. the spheroidal graphite cast iron for axle shell according to claim 1; It is characterized in that: include the Ce of Mg, 0.032wt% of B, 0.054wt% of W, 0.0001wt% of Ti, 0.0001wt% of Nb, 0.037wt% of V, 0.002wt% of Al, 0.0125wt% of Cu, 0.0205wt% of Mo, 0.0001wt% of Ni, 0.0001wt% of Cr, 0.0115wt% of S, 0.020wt% of P, 0.020wt% of Mn, 0.038wt% of si, 0.6635wt% of C, 2.367wt% of 3.615wt% and the Fe of 93.107wt%.
3. the spheroidal graphite cast iron for axle shell according to claim 1; It is characterized in that: include the Ce of Mg, 0.032wt% of B, 0.0535wt% of W, 0.0001wt% of Ti, 0.0001wt% of Nb, 0.040wt% of V, 0.003wt% of Al, 0.0125wt% of Cu, 0.0130wt% of Mo, 0.0470wt% of Ni, 0.0001wt% of Cr, 0.0001wt% of S, 0.021wt% of P, 0.017wt% of Mn, 0.037wt% of si, 0.636wt% of C, 2.325wt% of 3.622wt% and the Fe of 93.155wt%.
4. the spheroidal graphite cast iron for axle shell according to claim 1; It is characterized in that: include the Ce of Mg, 0.0285wt% of B, 0.054wt% of W, 0.0001wt% of Ti, 0.0001wt% of Nb, 0.041wt% of V, 0.004wt% of Al, 0.0145wt% of Cu, 0.012wt% of Mo, 0.044wt% of Ni, 0.0001wt% of Cr, 0.0135wt% of S, 0.0185wt% of P, 0.0195wt% of Mn, 0.035wt% of si, 0.719wt% of C, 2.3505wt% of 3.625wt% and the Fe of 93.021wt%.
5. the spheroidal graphite cast iron for axle shell according to claim 1; It is characterized in that: include the Ce of Mg, 0.0285wt% of B, 0.054wt% of W, 0.0001wt% of Ti, 0.0001wt% of Nb, 0.041wt% of V, 0.004wt% of Al, 0.0145wt% of Cu, 0.012wt% of Mo, 0.0440wt% of Ni, 0.0001wt% of Cr, 0.0135wt% of S, 0.0185wt% of P, 0.0195wt% of Mn, 0.035wt% of si, 0.719wt% of C, 2.3505wt% of 3.625wt% and the Fe of 93.021wt%.
6. the spheroidal graphite cast iron for axle shell according to claim 1; It is characterized in that: include the Ce of Mg, 0.032wt% of B, 0.0535wt% of W, 0.0001wt% of Ti, 0.0001wt% of Nb, 0.04wt% of V, 0.003wt% of Al, 0.0125wt% of Cu, 0.013wt% of Mo, 0.047wt% of Ni, 0.0001wt% of Cr, 0.0001wt% of S, 0.0195wt% of P, 0.0165wt% of Mn, 0.0365wt% of si, 0.6345wt% of C, 2.3295wt% of 3.6075wt% and the Fe of 93.155wt%.
7. the spheroidal graphite cast iron for axle shell according to claim 1; It is characterized in that: include the Ce of Mg, 0.0295wt% of B, 0.052wt% of W, 0.0001wt% of Ti, 0.0001wt% of Nb, 0.0355wt% of V, 0.003wt% of Al, 0.0160wt% of Cu, 0.0185wt% of Mo, 0.0001wt% of Ni, 0.0001wt% of Cr, 0.012wt% of S, 0.0265wt% of P, 0.0245wt% of Mn, 0.0365wt% of si, 0.669wt% of C, 2.3190wt% of 3.7155wt% and the Fe of 92.903wt%.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210315328.3A CN102851573B (en) | 2012-08-31 | 2012-08-31 | Nodular cast iron for axle housing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210315328.3A CN102851573B (en) | 2012-08-31 | 2012-08-31 | Nodular cast iron for axle housing |
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| CN102851573A true CN102851573A (en) | 2013-01-02 |
| CN102851573B CN102851573B (en) | 2014-04-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104878279A (en) * | 2015-05-06 | 2015-09-02 | 柳州科尔特锻造机械有限公司 | Quenching process/method for spheroidal graphite cast iron grinding ball |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5613421A (en) * | 1979-07-09 | 1981-02-09 | Riken Corp | Tough and hard spheroidal graphite cast iron and its manufacture |
| US20110094632A1 (en) * | 2005-03-04 | 2011-04-28 | Laszlo Pelsoeczy | Ledeburite cast iron with a high carbide content and an evenly distributed graphite embodiment |
-
2012
- 2012-08-31 CN CN201210315328.3A patent/CN102851573B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5613421A (en) * | 1979-07-09 | 1981-02-09 | Riken Corp | Tough and hard spheroidal graphite cast iron and its manufacture |
| US20110094632A1 (en) * | 2005-03-04 | 2011-04-28 | Laszlo Pelsoeczy | Ledeburite cast iron with a high carbide content and an evenly distributed graphite embodiment |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104878279A (en) * | 2015-05-06 | 2015-09-02 | 柳州科尔特锻造机械有限公司 | Quenching process/method for spheroidal graphite cast iron grinding ball |
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| CN102851573B (en) | 2014-04-16 |
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Effective date of registration: 20190425 Address after: 271601 No. 026 Jiyan Road, Feicheng City, Taian City, Shandong Province Patentee after: Feicheng Yutong Machinery Co., Ltd. Address before: 271600 Feicheng Yutong Machinery Co., Ltd., No. 026 Taixi Street, Taian City, Shandong Province Patentee before: Yin Yong |