CN102851573B - Nodular cast iron for axle housing - Google Patents
Nodular cast iron for axle housing Download PDFInfo
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- CN102851573B CN102851573B CN201210315328.3A CN201210315328A CN102851573B CN 102851573 B CN102851573 B CN 102851573B CN 201210315328 A CN201210315328 A CN 201210315328A CN 102851573 B CN102851573 B CN 102851573B
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- 229910001141 Ductile iron Inorganic materials 0.000 title claims abstract description 17
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 20
- 238000005266 casting Methods 0.000 abstract description 6
- 229910001018 Cast iron Inorganic materials 0.000 abstract description 5
- 239000011573 trace mineral Substances 0.000 abstract description 2
- 235000013619 trace mineral Nutrition 0.000 abstract description 2
- 230000008520 organization Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 6
- 229910001562 pearlite Inorganic materials 0.000 description 6
- 238000009864 tensile test Methods 0.000 description 6
- 229910000859 α-Fe Inorganic materials 0.000 description 6
- 239000000126 substance Substances 0.000 description 4
- 238000005070 sampling Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
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- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
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, due to the higher plasticity of having of spheroidal graphite cast iron and toughness properties, be generally used for the cast material of 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, in existing spheroidal graphite cast iron, be generally used for cast frame, the weight of cast member is generally larger, and for cast member for automotive axle require lightweight, toughness and tenacity is high, is also provided with a kind of spheroidal graphite cast iron that is suitable for automotive axle foundry goods now.
Summary of the invention
In order to overcome above-mentioned technical disadvantages, the object 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: 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 having designed the trace element that has added appropriate ratio in cast iron, improved 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% and the Fe of 93.107wt% of B, the 0.054wt% of W, the 0.0001wt% of Ti, the 0.0001wt% of Nb, the 0.037wt% of V, the 0.002wt% of Al, the 0.0125wt% of Cu, the 0.0205wt% of Mo, the 0.0001wt% of Ni, the 0.0001wt% of Cr, the 0.0115wt% of S, the 0.020wt% of P, the 0.020wt% of Mn, the 0.038wt% of si, the 0.6635wt% of C, the 2.367wt% of 3.615wt%.
The present invention has designed, and includes the Ce of Mg, 0.032wt% and the Fe of 93.155wt% of B, the 0.0535wt% of W, the 0.0001wt% of Ti, the 0.0001wt% of Nb, the 0.040wt% of V, the 0.003wt% of Al, the 0.0125wt% of Cu, the 0.0130wt% of Mo, the 0.0470wt% of Ni, the 0.0001wt% of Cr, the 0.0001wt% of S, the 0.021wt% of P, the 0.017wt% of Mn, the 0.037wt% of si, the 0.636wt% of C, the 2.325wt% of 3.622wt%.
The present invention has designed, and includes the Ce of Mg, 0.0285wt% and the Fe of 93.021wt% of B, the 0.054wt% of W, the 0.0001wt% of Ti, the 0.0001wt% of Nb, the 0.041wt% of V, the 0.004wt% of Al, the 0.0145wt% of Cu, the 0.012wt% of Mo, the 0.044wt% of Ni, the 0.0001wt% of Cr, the 0.0135wt% of S, the 0.0185wt% of P, the 0.0195wt% of Mn, the 0.035wt% of si, the 0.719wt% of C, the 2.3505wt% of 3.625wt%.
The present invention has designed, and includes the Ce of Mg, 0.0285wt% and the Fe of 93.021wt% of B, the 0.054wt% of W, the 0.0001wt% of Ti, the 0.0001wt% of Nb, the 0.041wt% of V, the 0.004wt% of Al, the 0.0145wt% of Cu, the 0.012wt% of Mo, the 0.0440wt% of Ni, the 0.0001wt% of Cr, the 0.0135wt% of S, the 0.0185wt% of P, the 0.0195wt% of Mn, the 0.035wt% of si, the 0.719wt% of C, the 2.3505wt% of 3.625wt%.
The present invention has designed, and includes the Ce of Mg, 0.032wt% and the Fe of 93.155wt% of B, the 0.0535wt% of W, the 0.0001wt% of Ti, the 0.0001wt% of Nb, the 0.04wt% of V, the 0.003wt% of Al, the 0.0125wt% of Cu, the 0.013wt% of Mo, the 0.047wt% of Ni, the 0.0001wt% of Cr, the 0.0001wt% of S, the 0.0195wt% of P, the 0.0165wt% of Mn, the 0.0365wt% of si, the 0.6345wt% of C, the 2.3295wt% of 3.6075wt%.
The present invention has designed, and includes the Ce of Mg, 0.0295wt% and the Fe of 92.903wt% of B, the 0.052wt% of W, the 0.0001wt% of Ti, the 0.0001wt% of Nb, the 0.0355wt% of V, the 0.003wt% of Al, the 0.0160wt% of Cu, the 0.0185wt% of Mo, the 0.0001wt% of Ni, the 0.0001wt% of Cr, the 0.012wt% of S, the 0.0265wt% of P, the 0.0245wt% of Mn, the 0.0365wt% of si, the 0.669wt% of C, the 2.3190wt% of 3.7155wt%.
Four, accompanying drawing explanation
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
For the spheroidal graphite cast iron of axle shell, in first embodiment, include the Ce of Mg, 0.029wt% and the Fe of 92.867wt% of B, the 0.051wt% of W, the 0.0008wt% of Ti, the 0.0008wt% of Nb, the 0.035wt% of V, the 0.002wt% of Al, the 0.012wt% of Cu, the 0.012wt% of Mo, the 0.040wt% of Ni, the 0.0008wt% of Cr, the 0.011wt% of S, the 0.016wt% of P, the 0.016wt% of Mn, the 0.035wt% of si, the 0.662wt% of C, the 2.315wt% of 3.593wt%.
First embodiment sampling is carried out to physical and chemical index analysis, 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, by physical and chemical index, can prove that this sample has very high intensity and toughness, has improved 15-20% than the index of conventional cast iron.
In second embodiment, include the Ce of Mg, 0.032wt% and the Fe of 93.171wt% of B, the 0.055wt% of W, the 0.001wt% of Ti, the 0.001wt% of Nb, the 0.041wt% of V, the 0.004wt% of Al, the 0.016wt% of Cu, the 0.021wt% of Mo, the 0.048wt% of Ni, the 0.001wt% of Cr, the 0.016wt% of S, the 0.027wt% of P, the 0.025wt% of Mn, the 0.038wt% of si, the 0.722wt% of C, the 2.377wt% of 3.74wt%.
In the 3rd embodiment, include the Ce of Mg, 0.030wt% and the Fe of 92.910wt% of B, the 0.053wt% of W, the 0.0002wt% of Ti, the 0.0004wt% of Nb, the 0.038wt% of V, the 0.003wt% of Al, the 0.014wt% of Cu, the 0.016wt% of Mo, the 0.028wt% of Cr, 0.014wt% Ni, the 0.0005wt% of S, the 0.020wt% of P, the 0.021wt% of Mn, the 0.0365wt% of si, the 0.698wt% of C, the 2.346wt% of 3.62wt%.
In the 4th embodiment, include the Ce and 93.1 of Mg, the 0.03wt% of B, the 0.0545wt% of W, the 0.001wt% of Ti, the 0.001wt% of Nb, the 0.035wt% of V, the 0.0038wt% of Al, the 0.011wt% of Cu, the 0.018wt% of Ni, 0.001wt% Mo, the 0.045wt% of Cr, the 0.012wt% of S, the 0.021wt% of P, the 0.021wt% of Mn, the 0.034wt% of si, the 0.72wt% of C, the 2.37wt% of 3.70wt%
The Fe of wt%.
In the 5th embodiment, include the Ce of Mg, 0.032wt% and the Fe of 93.107wt% of B, the 0.054wt% of W, the 0.0001wt% of Ti, the 0.0001wt% of Nb, the 0.037wt% of V, the 0.002wt% of Al, the 0.0125wt% of Cu, the 0.0205wt% of Mo, the 0.0001wt% of Ni, the 0.0001wt% of Cr, the 0.0115wt% of S, the 0.020wt% of P, the 0.020wt% of Mn, the 0.038wt% of si, the 0.6635wt% of C, the 2.367wt% of 3.615wt%.
The 5th embodiment sampling carried out to 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.
In the 6th embodiment, include the Ce of Mg, 0.032wt% and the Fe of 93.155wt% of B, the 0.0535wt% of W, the 0.0001wt% of Ti, the 0.0001wt% of Nb, the 0.040wt% of V, the 0.003wt% of Al, the 0.0125wt% of Cu, the 0.0130wt% of Mo, the 0.0470wt% of Ni, the 0.0001wt% of Cr, the 0.0001wt% of S, the 0.021wt% of P, the 0.017wt% of Mn, the 0.037wt% of si, the 0.636wt% of C, the 2.325wt% of 3.622wt%.
The 6th embodiment sampling carried out to 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.
In the 7th embodiment, include the Ce of Mg, 0.0285wt% and the Fe of 93.021wt% of B, the 0.054wt% of W, the 0.0001wt% of Ti, the 0.0001wt% of Nb, the 0.041wt% of V, the 0.004wt% of Al, the 0.0145wt% of Cu, the 0.012wt% of Mo, the 0.044wt% of Ni, the 0.0001wt% of Cr, the 0.0135wt% of S, the 0.0185wt% of P, the 0.0195wt% of Mn, the 0.035wt% of si, the 0.719wt% of C, the 2.3505wt% of 3.625wt%.
In the 8th embodiment, include the Ce of Mg, 0.0285wt% and the Fe of 93.021wt% of B, the 0.054wt% of W, the 0.0001wt% of Ti, the 0.0001wt% of Nb, the 0.041wt% of V, the 0.004wt% of Al, the 0.0145wt% of Cu, the 0.012wt% of Mo, the 0.0440wt% of Ni, the 0.0001wt% of Cr, the 0.0135wt% of S, the 0.0185wt% of P, the 0.0195wt% of Mn, the 0.035wt% of si, the 0.719wt% of C, the 2.3505wt% of 3.625wt%.
In the 9th embodiment, include the Ce of Mg, 0.032wt% and the Fe of 93.155wt% of B, the 0.0535wt% of W, the 0.0001wt% of Ti, the 0.0001wt% of Nb, the 0.04wt% of V, the 0.003wt% of Al, the 0.0125wt% of Cu, the 0.013wt% of Mo, the 0.047wt% of Ni, the 0.0001wt% of Cr, the 0.0001wt% of S, the 0.0195wt% of P, the 0.0165wt% of Mn, the 0.0365wt% of si, the 0.6345wt% of C, the 2.3295wt% of 3.6075wt%.
In the tenth embodiment, include the Ce of Mg, 0.0295wt% and the Fe of 92.903wt% of B, the 0.052wt% of W, the 0.0001wt% of Ti, the 0.0001wt% of Nb, the 0.0355wt% of V, the 0.003wt% of Al, the 0.0160wt% of Cu, the 0.0185wt% of Mo, the 0.0001wt% of Ni, the 0.0001wt% of Cr, the 0.012wt% of S, the 0.0265wt% of P, the 0.0245wt% of Mn, the 0.0365wt% of si, the 0.669wt% of C, the 2.3190wt% of 3.7155wt%.
Above-described embodiment is a kind of way of realization of the spheroidal graphite cast iron for axle shell provided by the present invention; according to other distortion of scheme provided by the present invention; increase or reduce composition wherein; or the technical field approaching with the present invention by the present invention for other, all belongs to protection scope of the present invention.
Claims (2)
1. the spheroidal graphite cast iron for axle shell, it 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: the Ce of Mg, 0.0295wt% and the Fe of 92.903wt% that include B, the 0.052wt% of W, the 0.0001wt% of Ti, the 0.0001wt% of Nb, the 0.0355wt% of V, the 0.003wt% of Al, the 0.0160wt% of Cu, the 0.0185wt% of Mo, the 0.0001wt% of Ni, the 0.0001wt% of Cr, the 0.012wt% of S, the 0.0265wt% of P, the 0.0245wt% of Mn, the 0.0365wt% of si, the 0.669wt% of C, the 2.3190wt% of 3.7155wt%.
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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 CN102851573A (en) | 2013-01-02 |
| CN102851573B true CN102851573B (en) | 2014-04-16 |
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| CN201210315328.3A Active CN102851573B (en) | 2012-08-31 | 2012-08-31 | Nodular cast iron for axle housing |
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| 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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| JPS5613421A (en) * | 1979-07-09 | 1981-02-09 | Riken Corp | Tough and hard spheroidal graphite cast iron and its manufacture |
| DE102005010090A1 (en) * | 2005-03-04 | 2006-09-07 | Federal-Mogul Friedberg Gmbh | Cast iron material with graphite formation |
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- 2012-08-31 CN CN201210315328.3A patent/CN102851573B/en active Active
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| JP昭56-13421A 1981.02.09 |
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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 |
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